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Include races with closed registration

33 races within 25 mi of Jefferson, WI

Tap a distance to add it to your season

Sat · Jun26
Dash with a Splash
Janesville, WI22 mi awayRegistration opens Feb 28, 2027
Fair weather · 62/100 Typical: 80° / 61°F · 45% rain
Sun · Jul25
Tri-ing for A Cure Triathlon
Dousman, WI14 mi away
Good weather · 78/100 Typical: 83° / 63°F · 36% rain

Sat · Jul

31

Lake Country Triathlon

Oconomowoc, WI17 mi away

Good weather · 74/100 Typical: 83° / 63°F · 38% rain

Sat · Aug14to Aug 15

Run S'more 24

Nashotah, WI20 mi away

Tough weather · 42/100 Typical: 81° / 62°F · 40% rain

Sat · Aug28

Lake Country Half Marathon

Oconomowoc, WI17 mi away

Fair weather · 61/100 Typical: 80° / 60°F · 35% rain

6% faster times (half)past finishers

Sat · Sep25

Fall Color Festival

Whitewater, WI12 mi awayRegistration opens Feb 28, 2027

Ideal weather · 91/100 Typical: 72° / 51°F · 33% rain

34% faster times (trail 8K)past finishers

Sat · Oct9to Oct 10

HELIOS 6/12/20 HOUR ULTRA

Eagle, WI16 mi awayRegistration opens Nov 1, 2026

Ideal weather · 90/100 Typical: 65° / 45°F · 32% rain

Sat · Oct9

UltraTrax Alpine Valley

Elkhorn, WI22 mi away

Ideal weather · 91/100 Typical: 65° / 45°F · 31% rain

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