Race catalog · Updated nightly
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Race catalog · Updated nightly
Upcoming running, cycling, triathlon and ultra races, updated nightly from RunSignup, BikeReg and ACTIVE. Missing a race? Submit it
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63 races within 25 mi of Chelsea, MI
Brighton, MI24 mi away
Fair weather · 64/100 Typical: 37° / 24°F · 23% rain
Ypsilanti, MI10 mi away
Fair weather · 62/100 Typical: 36° / 23°F · 25% rain
12% slower times (5K)past finishers
Detroit, MI23 mi away
Harsh weather · 20/100 Typical: 35° / 24°F · 33% rain
Shelby Township, MI20 mi away
Fair weather · 58/100 Typical: 35° / 22°F · 31% rain
8% slower times (5K)past finishers
Ypsilanti, MI10 mi away
Fair weather · 61/100 Typical: 32° / 19°F · 29% rain
8% slower times (5K)past finishers
Hamtramck, MI24 mi awayRegistration opens Oct 30, 2026
Tough weather · 48/100 Typical: 30° / 16°F · 32% rain
5% slower times (5K)past finishers
Brighton, MI21 mi away
Fair weather · 57/100 Typical: 30° / 14°F · 24% rain
26% slower times (8K)past finishers
Ann Arbor, MI12 mi away
Fair weather · 68/100 Typical: 41° / 22°F · 27% rain
4% slower times (5K)past finishers
Grosse Ile, MI20 mi away
Good weather · 75/100 Typical: 45° / 31°F · 37% rain
10% faster times (half)past finishers
Detroit, MI22 mi awayRegistration opens Dec 1, 2026
Fair weather · 67/100 Typical: 47° / 28°F · 33% rain
7% slower times (5K)past finishers
Ann Arbor, MI11 mi away
Fair weather · 69/100 Typical: 52° / 31°F · 39% rain
12% faster times (5K)past finishers
Commerce Township, MI21 mi away
Good weather · 83/100 Typical: 52° / 31°F · 39% rain
13% slower times (10K)past finishers
Riverview, MI16 mi awayRegistration opens Nov 26, 2026
Good weather · 71/100 Typical: 50° / 35°F · 43% rain
12% faster times (5K)past finishers
Ann Arbor, MI13 mi away
Ideal weather · 87/100 Typical: 58° / 37°F · 33% rain
6% slower times (5K)past finishers
Ann Arbor, MI12 mi away
Good weather · 84/100 Typical: 63° / 41°F · 43% rain
4% faster times (5K)past finishers
Northville, MI10 mi awayRegistration opens Feb 1, 2027
Good weather · 84/100 Typical: 63° / 41°F · 43% rain
Detroit, MI21 mi awayRegistration opens Oct 29, 2026
Good weather · 82/100 Typical: 65° / 44°F · 49% rain
37% slower times (5K)past finishers
South Lyon, MI14 mi awayRegistration opens Jan 1, 2027
Ideal weather · 86/100 Typical: 71° / 49°F · 42% rain
29% slower times (5K)past finishers
Detroit, MI22 mi awayRegistration opens Feb 9, 2027
Good weather · 84/100 Typical: 71° / 50°F · 48% rain
Ann Arbor, MI12 mi away
Good weather · 83/100 Typical: 72° / 50°F · 41% rain
4% faster times (half)past finishers
Dexter, MI22 mi away
Good weather · 77/100 Typical: 75° / 53°F · 36% rain
5% faster times (half)past finishers