21.1K Races in Ottawa
Upcoming1raceNext upOct 10, 2026ThroughOct 2026
Browse 1 upcoming 21.1k races in Ottawa, with dates, venues, distances, and registration details for each listing. Also explore 5K, Road, 1K, 10K, and Cause-Based races in Ottawa, or compare options to find your next 21.1k start line.
Upcoming Featured Races in Ottawa
21.1K Races in Ottawa 2026
September 2026
October 2026
Road
The County Marathon 2026
Oct 4, 2026
Prince Edward County, ON
42.2K21.1K5K
Road
Ottawa Fall Colours Run 2026
Oct 10, 2026
Ottawa, ON
1K3K42.2K5K+2
Trail
BougeBouge Wakefield Covered Bridge Run 2026
Oct 11, 2026
Wakefield, QC
21.1K10K3K
Road
2026 Demi-Marathon Sun Life au parc Jean-Drapeau
Oct 25, 2026
Montreal, QC
21.1K5K1K10K