Six days. One stage.
Kickoff on Fri, May 8 · 5 PM ET. Submissions due Tue, May 12 · 1 AM ET. Live finalist showcase at the MLT20 conference Thu, May 14 · 1 PM ET. All times Eastern.
Every session, every day.
Kickoff
Virtual kickoff opens the build week. Pick a prompt, find a team, meet the mentors.
- Anchor5:00 – 7:00 PM ET
Virtual kickoff
Welcome from MLT and WNCP AI · Prompt walk-through · Tools tour · Mentor pairings · Q&A.
Virtual (Zoom — link emailed at signup)
Build day 1
First full day of building. Office hours all day, async mentorship.
- Office hours10:00 AM – 12:00 PM ET
Morning office hours
Drop-in mentor support in Gather. Bring your blockers.
Gather (link emailed at signup)
- Talk2:00 – 3:00 PM ET
Talk: Shipping with AI tools — what actually works
30-minute talk + 30-minute Q&A. Tactical patterns from teams that have shipped this year.
Virtual
- Office hours5:00 – 7:00 PM ET
Evening office hours
Late-day mentor block. Best window for working professionals.
Gather
Build day 2
Mid-weekend check-in. Finish your core feature loop today; tomorrow is for polish + submission prep.
- Office hours11:00 AM – 1:00 PM ET
Late-morning office hours
Drop-in mentor support in Gather.
Gather
- Talk3:00 – 4:00 PM ET
Talk: Submission week-of essentials
Demo video tips, public-repo checklist, common rubric misses, and how to write the writeup.
Virtual
Submission day
Final push. Office hours run late tonight to help everyone get over the line by 1 AM ET Tuesday.
- Office hours10:00 AM – 12:00 PM ET
Morning office hours — final push
Last block to debug deploys, write your writeup, and record your demo.
Gather
- Office hours7:00 – 11:00 PM ET
Late-night submission help
Mentor coverage runs through the deadline. Ping the #help channel in Gather.
Gather
Submissions due · Round 1 judging
Hard submission deadline at 1:00 AM ET. Round 1 judging happens through the day. Two finalists + one Viewers’ Choice announced in the evening.
- Anchor1:00 AM ET — hard deadline
Submissions due on Devpost
GitHub repo, hosted prototype, ≤2-min demo video, written description, prompt declaration. Late submissions are not accepted.
- TalkAsync · all day
Round 1 judging
Judges and volunteer reviewers score every submission against the rubric.
- Anchor8:00 PM ET
Finalists announced
Three finalists announced (two judge picks + one Viewers’ Choice). Finalists kick off pitch prep.
Live finalist showcase
On stage at the MLT20 conference — NYC Hilton Midtown. Three finalists pitch live during the lunch block.
- Anchor1:00 – 2:00 PM ET
MLT20 Buildathon finalist showcase
Three finalists pitch live in front of the MLT20 conference room. Judges deliberate. Winner announced Thursday evening.
MLT20 Conference · NYC Hilton Midtown
Three places. One stage.
Zoom
Kickoff and the Sat/Sun talks happen on Zoom. Link emailed when you sign up.
Gather
Office hours, mentor pings, team-finding, and the help channel during build week.
MLT20 — NYC Hilton Midtown
Thu May 14, 1 PM ET. Three finalists pitch live during the MLT20 lunch block. In-person finalists get a conference pass + hotel covered.
Save the dates.
Sign up to get the kickoff Zoom link, the Gather invite, and prompt deep-dives in your inbox before May 8.

