Skip to content

Deadlines Season For you

Search competitions/

Set your profileProfile

Deadlines Season For you

Olympiads AI competitions Hackathons Research awards Science fairs

Suggest a competition Calendar feed RSS Sponsor

Dates come from official pages only.

Deadlines/Hackathons

Hackathons open to high school students

MLH Global Hack Weeks, open source sprints and student hackathons you can join online or in person, sorted by what closes next. 6 still open.

Olympiads AI competitions Research awards Science fairs

LevelInternational1National1Regional1Online3

FormatOnline4In person1Hybrid1

Region

Subject

Set your profile

Everything, sorted by what closes next

DaysCompetition and next stepCategoryWhereCost

October

2

11 days left
Congressional App Challenge
Submit by Oct 26
HackathonOnline
Hackathon
Online
Running, 16 days left
Hacktoberfest
Happening now, ends Oct 31
HackathonHybridFree
Hackathon
Hybrid
Free

November

2

Starts in 22 days
MLH Global Hack Week: Builders Week
Runs Nov 6 to 12
HackathonOnlineFree
Hackathon
Online
Free
Starts in 30 days
OCSEFHacks 3
Runs Nov 14 to 15
HackathonIn person, United StatesFree
Hackathon
In person, United States
Free

December

2

Starts in 50 days
MLH Global Hack Week: Open Source Week
Runs Dec 4 to 10
HackathonOnlineFree
Hackathon
Online
Free
Starts in 64 days
Cosmo Hacks
Runs Dec 18 to 21
HackathonOnlineFree
Hackathon
Online
Free

Filters

LevelInternational1National1Regional1Online3

FormatOnline4In person1Hybrid1

Region

Subject

Set your profile