Inflearn's 2026 Year-End Sprint Challenge - Success Even If You Complete Just Half!
Let's run together for the New Year 🐎 Since it's the beginning of the year, anyone. easily. A course completion challenge where you participate at your own pace We'll refund your participation fee even if you only complete half!
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Hello, everyone!
I'm Dora from Inflearn 🙂The June Challenge early bird discount is ending soon, so I've brought you the news!
Gather clues with just 30 minutes of study a day,
and deduce the culprit yourself in this June Challenge 🕵This is not just a challenge for studying.
As you continue your learning, clues to the case will accumulate, and in the end, your reasoning will determine the culprit.✅ Maximum reward (9,000 KRW cash + ⍺)
✅ Culprit apprehension mission
✅ Early bird 30% discount (Ends today!)This challenge has been prepared in a storytelling format.
We've added two scoops of fun to the learning challenge, which might have felt a bit plain before :)You will be able to learn with more immersion and more enjoyment.
The opportunity to participate at the lowest price is ending soon.
Join us now before you miss out!Plus, exclusively for applicants!
You can be the first to try the Inflearn AI Learning Agent Beta.
It's not just a simple search-based AI, but an AI that understands the lecture you're currently taking and helps you learn.(Personally... after using the learning agent, I can't seem to watch lectures without it anymore 😂)
Since you can learn by conversing with the AI based on the insights of the knowledge sharer in the video,
it was great for immediately asking about parts I didn't understand or for maintaining the flow of learning.As it is still in the beta version, we would love for many of you to try it out yourself and share your diverse feedback!
🕵🏻♂️ Apply for the challenge now/ 📺Watch the challenge teaser video

June Challenge Chapter 1. Theft Case Preview

Hello everyone!
This is Inflearn 🙂
The challenge is already heading toward April.
Time really seems to fly!The concept for this April challenge is the 'Spring Sports Day' 🌸
Do you all remember the days back in elementary school, divided into Blue and White teams,
having fun playing ball rolling, beanbag tossing, and relay races? haha
Even though we aren't physically running,
how about dividing into teams with the goal of 'learning'
and running together toward the finish line through the Inflearn April Challenge?If you have already experienced the challenge, we look forward to your wonderful performance in leading your
team to victory. hahaAnd at the bottom, the April Challenge Friend Invitation Event is also underway! ✨
If you're curious about the details, please be sure to check the information below.
We look forward to your interest and participation!👉🏻 Join the April Spring Athletic Meet
👉🏻 Join the April Spring Sports Day
🎁 Invite a Friend EVENT!

If a friend joins an Influn challenge for the 'first time' through your recommendation,
both the referrer and the new participant will receive 3,000 points (Leaves).
How to Participate1) Tell a friend who hasn't experienced the challenge yet about the benefits of the Inflearn Challenge.
You can finally finish the lectures you've been putting off 📚 / Seeing yourself studying on your own before you know it 🧑💻 / Definite rewards that come back as much as you work hard 💰
(Feel free to explain the benefits in your own words haha)
2) Your friend, who has become interested in the challenge, signs up for the [Inflearn April Challenge] and enters [the recommender's Inflearn account] through the survey.
Payment Schedule
After the April Challenge begins, 3,000 points (Leaf) will be collectively paid to both the recommender and the participant
InformationOnly participants who are joining the Influn regular challenge for the first time are eligible.
This only applies if the recommended participant has participated in the Inflearn April Challenge.
This only applies if the recommended participant enters the recommender's account information into the survey.
Please spread the word to those around you about forming a study routine and the experience of growing through consistent study!Hello, challenge participants.
This is Inflearn 🙂
The Completion Challenge we prepared for the New Year is already entering its final stages.
The number of applicants is already approaching 800.
(I couldn't hide my desire to reach 1,000 people until the very end 😅)
From the OT to the surprise live, and even the live session with DingcoDingco
So many of you participated so actively,
The Inflearn team was also delighted to see that you seemed to enjoy the challenge.
Especially for leaving such thoughtful reviews,
It was a wonderful time for both the eyes and the heart. Thank you 🙏


The challenge is open at all times, so additional registration is available until tomorrow afternoon.
If you happen to be someone who likes binge-listening, or if you know anyone who would think, "This is a great deal,"
It would be great if you could give a quick recommendation even now 🙂
Above all, I think the very fact that you started the 2026 New Year with a commitment to 'learning' is truly wonderful.
I am sincerely rooting for you to continue achieving even more, starting with this challenge.
And finally, one more thing!
For those who haven't completed their mission submission yet, the challenge isn't over yet 👀
Binge-watching is also possible, so finish up now and make sure to get your refund!
Thank you for staying with us until the end.
Keep it up for the remaining period 💪
newInflearn Survival Challenge Self-promotion (Go now >>)Hot off the press!!
Yesterday, the February Survival Challenge was also newly opened.
This survival challenge is also a golden opportunity to win big and take home the accumulated prize money if you survive (?) alone until the end.
If you successfully completed the January Completion Challenge, you might think, "This is worth a shot" 🙂
That’s not to say the mission is incredibly difficult or overwhelming.
(Actually, the hardest part is... studying for 21 days in a row 😭)
If you're interested, we hope many of you will feel free to participate.
I think I’ll be even more delighted to see the January completion challenge participants again at the orientation.
I miss you all already 😅
Let's study together with Inflearn in February as well!

Sincerely, Inflearn
Hello everyone!
I'm Dora from Inflearn 🙂
Hello everyone! I'm Dora from Inflearn 🙂
Everyone, are you studying hard?
There's really not much time left until the 23rd, everyone haha. (Keep fighting until the end!!)
I'll be cheering you on completely.
I'm Dora from Inflearn 🙂 Everyone, are you studying hard? There's really not much time left until the 23rd, everyone haha. (Keep fighting until the end!!) I'll be cheering you on completely.
Finally, the last live session prepared for the completion challenge will be held today at 8 PM.
Live Topic: Effective Study Methods Using AI 📺
Speaker: Dingcodingco

I notice that the `
` tags are empty - there is no Korean text provided between them to translate. The surrounding context shows: - Before: Text about a live stream at 8 PM about "AI-powered effective learning methods" with speaker "Dingcodingco" - After: Text encouraging people to prepare to take notes and join casually, mentioning a random point event However, since there is no text between the ` ` tags, there is nothing for me to translate. Could you please provide the Korean text you'd like translated? Everyone, get ready to take notes and feel free to join us!! 😊
And we'll also be running a random point event during this live session haha.
Let's aim for those points properly this time too!
I'll see you later! Dora Dream 🙂
See you later everyone!
Dora Dream 🙂
Hello everyone,
I'm Dora from Inflearn!Hello everyone, this is Dora from Inflearn!
Yesterday, about 220 people joined us for the surprise live session.
Thank you so much 🙇♀
What did we talk about in the surprise live?
I thought some of you might be curious, so I'm organizing and leaving this here. lol
I notice that the `
` tags are empty - there is no Korean text between them to translate. The surrounding context shows Korean text before and after, but the actual content to be translated is missing. Could you please provide the Korean text that needs to be translated? What did we do in the surprise live?
First of all,
The surprise live was literally a 'surprise', so
👉Recordings are not provided!
(It's absolutely… not because I'm embarrassed. Absolutely not. Really…)
Since the surprise live was literally a 'surprise,' 👉no recording will be provided! (Absolutely... it's not because I'm embarrassed. Absolutely not. Really...)
I held the live session hoping to give you a brief refresh, as I thought you might be a bit tired from studying,
Here are the topics we discussed during the live session!
Course completion challenge status
Learning methods by MBTI type
Random points
Dora's Q&A Time
I conducted the live with a happy heart, and during the live, we shared the following topics! Course completion challenge status, MBTI type-specific learning methods, random points, and Dora's Q&A time
While checking the course completion challenge status, I also introduced people who were happily sharing their study progress~

I notice that the `
` tags are empty - there is no Korean text provided between them to translate. The surrounding context shows Korean text before and after, but without content actually placed in the ` ` section, there is nothing for me to translate. Could you please provide the Korean text you'd like translated within the ` ` tags? ^Very informative^ presentations on MBTI-based learning methods (course completion methods) and more~ haha.
Everyone knows not to get too obsessed, right?~

(Everyone, this is the key point, so even if you missed it, please take note!! Haha, thank you 00 for the screenshot ㅎㅎ 😊)
I need to see the text between the `
` tags to provide a translation. The ` ` section in your message appears to be empty. Could you please provide the Korean text you'd like me to translate? Someone walked away with a thousand points.... *shaking* (I got 500 points..)
We also had a random point giveaway time~

I notice the text to translate appears to be empty between the `
` tags. Based on the surrounding context provided, if you'd like me to translate those sections: **Before:** "Please refer to that too!! Haha Thank you 00 for the screenshot ㅎㅎ 😊) Someone received a thousand points.... ㅂㄷㅂㄷ (I got 500 points..) We also had random point time~" **After:** "Lastly~ We also had Dora's Q&A, Ask Me Anything time! It wasn't taking Q&A, but a time where I asked questions ㅎㅎ. How to use Inflearn learn..." However, since there's no text between the ` ` tags to translate, please provide the Korean text you'd like translated. I notice the text to translate appears to be empty between the `
` tags. Based on the surrounding context provided, if you'd like me to translate the "Before" and "After" sections, here they are: **Before:** Please refer to that too!! Haha Thank you 00 for the screenshot ㅎㅎ 😊) Someone received a thousand points.... ㅂㄷㅂㄷ (I got 500 points..) We also had random point time~ **After:** Lastly~ We also had Dora's Q&A session, "Ask Me Anything"! It wasn't taking Q&A, but rather a time where I asked questions ㅎㅎ. How to use Inflearn... However, since there's no text between the ` ` tags, there's nothing for me to translate. Please provide the Korean text you'd like translated. Lastly~ we also had Dora's "Ask Me Anything" time, where I'll answer anything you ask!
It was a time where I asked questions instead of taking Q&A haha.
When I asked how I could help with your Inflearn learning, many of you mentioned discount coupons lol ㅠㅠ.
Hmm, I wonder if there's a way to make it enjoyable even without coupons... I'll think about it a lot haha.
I need to translate the text between the `
` tags, but I notice that the tags are empty. There is no Korean text provided between them to translate. The "surrounding" context shows Korean text before and after, but the actual content to translate (between the ` ` tags) is blank. Could you please provide the Korean text that needs to be translated? I notice that the `
` tags are empty - there is no Korean text between them to translate. The "Before" and "After" sections contain Korean text, but based on your rules, I should only translate what's between the ` ` tags. Could you please provide the Korean text you'd like me to translate between the ` ` tags? Dora's Ramblings
Lastly! My hosting is still very inexperienced, and I can barely remember finishing a single sentence properly...
Nevertheless, I'm grateful that so many of you enjoyed it and liked it ㅠㅠ.
Um.. among YouTubers, Charlie Enter..? There were a lot of mentions lol... I haven't been able to watch directly so I don't know well.. but thank you for the compliments(?)...

(It seems like you all didn't want to be publicly called out, so I tried hard to cover them up.)
I couldn't really check it myself so I don't know for sure, but... thank you for the praise(?)... (It seemed like you all didn't want to be publicly called out, so I tried hard to keep things anonymous.)
Well, thank you so much to everyone who participated in this surprise live!
Inflearn will work hard to plan better challenges.
Thank you for participating with such enthusiasm.
I cannot provide a translation because the text to translate is empty. The `
` tags contain only whitespace with no actual Korean text to translate. See you again this Thursday everyone!!
I notice that the `
` tags are empty - there is no Korean text between them to translate. The surrounding context shows: - Before: "Thank you so much! Inflearn will work hard to plan better challenges. Thank you for participating joyfully. See you again this Thursday!!" - After: "Now everyone go study. There are only 10 days left. From Dora" However, there is no text provided in the ` ` section for me to translate. Could you please provide the Korean text you'd like me to translate? 
Everyone go study now. There are only 10 days left. From Dora
Now everyone, go study.
There are only 10 days left now.
I notice that the text to translate appears to be empty (just whitespace between the `
` tags). Based on the surrounding context: - Before: "Proon will work hard. Thank you for participating joyfully. Let's see each other again this Thursday!! Now everyone go study. There are only 10 days left." - After: "From Dora" or "Dora Dream" However, since there is no actual text between the translate tags to translate, I cannot provide a translation. If you meant to include text there, please provide it and I'll be happy to translate it. Dora Dream
Hello everyone,
This is Inflearn Dora who greeted you during the first live session 🙂I notice that the `
` tags are empty - there's no Korean text between them to translate. Based on the surrounding context, I can translate those parts: **Before:** Hello everyone, I'm Inflearn Dora who greeted you during the first live 🙂 **After:** The reason I suddenly appeared is haha Everyone, you need to receive your challenge refund now, right? You haven't forgotten, have you? And I have some news to share. There are already people completing the course... If you have specific text you'd like me to translate, please provide it between the ` ` tags. The reason for my sudden appearance is haha
Everyone, you need to get your challenge refund now.
You haven't forgotten, right?Hello everyone, this is Inflearn Dora who greeted you during the first live session 🙂 The reason for my sudden appearance is... haha Everyone, you need to get your challenge refund now. You haven't forgotten, right?
And I have some news to share. We already have people completing the course...
Truly amazing. Please give them a round of applause.
You need to get your deposit refunded. You haven't forgotten, right? And I'll share some news with you. We already have people completing the course...truly amazing. Please give them a round of applause.
Oh, by the way, even if you've already completed a course, it's totally fine to listen to another course and submit proof for that too.
The more courses you complete, the better. It's really great haha (Congratulating you on completing while immediately telling you to study more... haha)There's absolutely no problem if you complete and verify another course. The more courses you complete, the better. It's really great haha (Congratulations on completing the course, and now go study more... haha)
Ahem. As you all know, for this challenge, you can binge-watch it all at once,
you can listen to one per day at a slow pace,
It's okay to take a few days off in the middle and come back.
I'm absolutely not sending this email to rush you. Haha.
You can binge-listen to them all at once, listen to one per day slowly, or even take a few days off in between and come back - that's all fine. I'm absolutely not sending this email to rush you. Haha.
The real purpose of today's email is to ask whether you've been taking at least one Inflearn course lately
I was curious about that 🙂
I need to see the text between the `
` tags to provide a translation. The text you've provided shows the "Before" and "After" surrounding context, but the ` ` tags are empty. Could you please provide the Korean text that needs to be translated? タグ内に含まれていないようです。翻訳が必要な韓国語のテキストをご提供いただけますでしょうか。 `. Thẻ này đang trống. Bạn có thể cung cấp văn bản tiếng Hàn cần dịch sang tiếng Việt không? The fact that you participated in this challenge since January is already commendable.
You've done really well to come this far.
If you complete the challenge...
To be honest, I think I'd be pretty happy about it lol
I'm ready to translate, but I don't see any Korean text between the `
` tags. The tags appear to be empty. Could you please provide the Korean text you'd like me to translate? I have one wish.
I hope everyone gets their refund.
I notice the `
` tags are empty - there is no Korean text provided between them to translate. However, I can see Korean text in the ` ` section. If you'd like me to translate those parts: **Before:** "You've done really well to come this far. If you complete it... To be honest, I think I'll be quite happy lol. I have one wish. That everyone gets their refund." **After:** "If anyone has already half given up!! If there are people thinking 'why did I even sign up'!! 📌Please remember the surprise live on Monday, January 12th. We'll check the challenge progress together, and..." Please provide the text you'd like translated between the ` ` tags if you need a different translation. For those who have already given up halfway!!
If there's anyone thinking they signed up for no reason!!
I need to translate the text between the `
` tags, but the tags appear to be empty in your message. Based on the surrounding context provided, I can see Korean text before and after, but there's no content between the ` ` tags to translate. Could you please provide the Korean text that needs to be translated between the ` ` tags? 📌Please remember the surprise live on Monday, January 12th.
Let's check the challenge progress together,
Let's talk about how everyone is studying these days,
There's also a random point event prepared.
Come to the live session and make sure to grab the points. (hehe)
I notice that the text to translate between the `
` tags appears to be empty. Based on the surrounding context provided: **Before:** "see, talk about how everyone is studying these days, and there's also a random point event prepared. Make sure to come to the live session and grab those points. (hehe)" **After:** "No pressure, keep it light. Let's go all the way to completion together. From Dora 🙂" If you have specific text you'd like me to translate, please provide it between the ` ` tags and I'll be happy to help! Casually, without pressure.
Let's go all the way to the end together.
I notice that the text to translate appears to be empty (just whitespace between the `
` tags). Based on the surrounding context: - Before: "...and there's also a random point event prepared. Please come to the live broadcast and make sure to collect your points. (hehe) No pressure, keep it light. Let's go all the way to completion together." - After: "Dora Dream 🙂" Since there's no actual content to translate between the tags, the output would be: Dora Dream 🙂
Hello, Inflearn Challenge participants!
First of all haha Happy New Year!! Lots and lots
Hello, Inflearn Challenge participants! First of all haha Happy New Year!! Wishing you lots and lots of good fortune
The number of challenge participants is already heading towards 100 haha. (So proud)
I have a few announcements 🙂
1. Instructions for Submitting Missions 2, 3, and 4
For missions 2, 3, and 4, don't just submit once and be done!!
You can edit/add content multiple times.Here are a few announcements 🙂 1. Submission Instructions for Missions 2, 3, and 4 For Missions 2, 3, and 4, you can submit multiple times and make revisions/add content, rather than just submitting once and being done!!
You can do so anytime before the submission deadline
Add content
modification
supplement
Everything is freely possible.
You can submit it once and be done!! Or you can revise/add content multiple times. Until the submission deadline, you're free to add, revise, and supplement content at any time.
You can submit it once and be done!! Or, you can revise/add content multiple times. You're free to add, revise, and supplement content at any time before the submission deadline.
Even if you write it simply at first,
You can add or modify content as thoughts come to mind or ideas become organized as your learning progresses.
You can add them later as well.

All are freely possible. Even if you write briefly at first, it's okay to add thoughts or organized content that come to mind as the learning progresses.
In particular, for those who record their content frequently and diligently,
There's also a possibility of even better benefits being provided later. (ㅎ0ㅎ)
There should be something there for it to be worthwhile, don't you think everyone~~
(Please~ Even those who have already submitted the mission, please check the mission page one more time!)
(Please~ Even if you've already submitted your mission, we ask that you check the mission page one more time!)
I notice that the `
` tags are empty - there is no Korean text between them to translate. The surrounding context shows: - **Before**: Korean text about checking the mission page - **After**: Korean text about an OT live session on 1/5 Monday at 8pm However, there is no content between the ` ` tags for me to translate. Could you please provide the Korean text you'd like translated? タグ内にテキストがありません。翻訳したい韓国語のテキストを提供していただければ、日本語に翻訳いたします。 ` và ` ` của bạn trống rỗng. Bạn có thể cung cấp văn bản tiếng Hàn cần dịch không?2. 1/5 OT Live Announcement
Please join us for the OT live session on Monday, 1/5 at 8 PM!
Why I created the challenge...
Small tips for completing the challenge and
random point benefits, etc.
I notice that the `
` tags are empty - there is no Korean text between them to translate. The surrounding context shows: - Before: Information about an OT (Orientation) live session on Monday 1/5 at 8 o'clock - After: Text about creating time to chat together and asking for lecture recommendations in comments However, there is no actual content between the ` ` tags for me to translate. Could you please provide the Korean text you'd like me to translate?
I'm planning to create some time for us to chat together.
Please join us for the OT live session! We'll chat about why we created the challenge... share some small tips for completing it, random point benefits, and more.
Also, in the comments below
Feel free to recommend "must-listen lectures you'd be missing out on".
Please share lectures that can be helpful to each other. haha
I'll introduce them during the OT.
You can check live participation here. Once again, Happy New Year, and I'll see you at the OT. (I think I'll feel less lonely if many of you come... haha) Well then
You can check live participation here.

I notice that the `
` tags are empty - there is no Korean text between them to translate. The surrounding context shows Korean text before and after, but the actual content to be translated is missing. Could you please provide the Korean text that needs to be translated? Once again, Happy New Year,
I'll see you at the OT.
(I think I'll feel less lonely if many of you come... haha)You can check live participation here. Once again, Happy New Year, and I'll see you at the OT. (I think I'll feel less lonely if many of you come... haha)
I'll communicate with you often through updates.
Thank you for always using Inflearn!!

