Contests

Upcoming contests

Contest
Spring Coding Bowl 2024 Starting in 16:35:57 Apr 26, 2024, 0:00 - Apr 29, 2024, 0:00 02:00 window

Past contests

Contest ▴	Users
April Fools' Day Contest 1seasonal Apr 1, 2022, 0:05 23:55 long	170
Art Academy Contest Apr 17, 2020, 10:00 - Apr 19, 2020, 23:59 03:00 window	125
Back From Summer '19 rated seasonal Sep 1, 2019, 9:00 - Sep 2, 2019, 21:00 03:00 window	117
Back From Summer 2017 rated seasonal Sep 8, 2017, 15:30 - Sep 8, 2017, 23:59 02:00 window	101
Back to School '16 rated seasonal Sep 16, 2016, 15:00 - Sep 19, 2016, 0:00 04:00 window	71
Back to School '17 rated seasonal Sep 9, 2017, 0:00 - Sep 10, 2017, 23:59 04:00 window	104
Back to School '18 rated seasonal Sep 7, 2018, 15:00 - Sep 9, 2018, 23:59 04:00 window	124
Back to School '19 rated seasonal Sep 6, 2019, 15:00 - Sep 8, 2019, 23:59 04:00 window	144
BCI Programming Contest 1 Junior Jun 18, 2022, 0:00 - Jun 22, 2022, 0:00 02:00 window	123
BCI Programming Contest 1 Senior rated Jun 18, 2022, 0:00 - Jun 22, 2022, 0:00 03:00 window	151
BSSPC '21 Juniorexternal Jun 21, 2021, 0:00 - Jun 28, 2021, 0:00 03:00 window	164
BSSPC '21 Senior rated external Dec 27, 2021, 0:00 - Dec 30, 2021, 0:00 03:00 window	162
Calendar Contest 📅seasonal Jul 17, 2021, 0:00 7 days long	163
Canada Day '21 Contest rated Jul 2, 2021, 0:00 - Jul 6, 2021, 0:00 02:00 window	257
CCC '16 Junior Feb 15, 2016, 0:00 - Feb 15, 2016, 23:59 03:00 window	22
CCC Junior Qualification Roundseasonal Apr 1, 2016, 7:00 17:00 long	40
CCO Mashup May 11, 2015, 9:00 2 days 14:59 long	46
CCO Preparation Test 1 Feb 28, 2015, 10:00 - Mar 4, 2015, 14:00 04:00 window	20
CCO Preparation Test 2 Mar 7, 2015, 10:00 - Mar 11, 2015, 10:00 04:00 window	24
CCO Preparation Test 3 Apr 18, 2015, 0:00 - Apr 24, 2015, 23:59 04:00 window	27