Skip to main content
Schedule

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.

Day by day

Every session, every day.

Fri, May 8

Kickoff

Virtual kickoff opens the build week. Pick a prompt, find a team, meet the mentors.

  1. Anchor
    5:00 – 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)

Sat, May 9

Build day 1

First full day of building. Office hours all day, async mentorship.

  1. Office hours
    10:00 AM – 12:00 PM ET

    Morning office hours

    Drop-in mentor support in Gather. Bring your blockers.

    Gather (link emailed at signup)

  2. Talk
    2:00 – 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

  3. Office hours
    5:00 – 7:00 PM ET

    Evening office hours

    Late-day mentor block. Best window for working professionals.

    Gather

Sun, May 10

Build day 2

Mid-weekend check-in. Finish your core feature loop today; tomorrow is for polish + submission prep.

  1. Office hours
    11:00 AM – 1:00 PM ET

    Late-morning office hours

    Drop-in mentor support in Gather.

    Gather

  2. Talk
    3:00 – 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

Mon, May 11

Submission day

Final push. Office hours run late tonight to help everyone get over the line by 1 AM ET Tuesday.

  1. Office hours
    10:00 AM – 12:00 PM ET

    Morning office hours — final push

    Last block to debug deploys, write your writeup, and record your demo.

    Gather

  2. Office hours
    7:00 – 11:00 PM ET

    Late-night submission help

    Mentor coverage runs through the deadline. Ping the #help channel in Gather.

    Gather

Tue, May 12

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.

  1. Anchor
    1:00 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.

  2. Talk
    Async · all day

    Round 1 judging

    Judges and volunteer reviewers score every submission against the rubric.

  3. Anchor
    8:00 PM ET

    Finalists announced

    Three finalists announced (two judge picks + one Viewers’ Choice). Finalists kick off pitch prep.

Thu, May 14

Live finalist showcase

On stage at the MLT20 conference — NYC Hilton Midtown. Three finalists pitch live during the lunch block.

  1. Anchor
    1:00 – 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

Where

Three places. One stage.

Live sessions

Zoom

Kickoff and the Sat/Sun talks happen on Zoom. Link emailed when you sign up.

Office hours + community

Gather

Office hours, mentor pings, team-finding, and the help channel during build week.

Live showcase

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.

Sign up

Save the dates.

Sign up to get the kickoff Zoom link, the Gather invite, and prompt deep-dives in your inbox before May 8.