Ultramarathons in Wisconsin
24 upcoming Ultramarathon races in Wisconsin for 2026 and beyond — with dates, locations, and registration links.
- Run4RandiFri, Oct 30, 2026 · Elkhorn, WI5K50 Miles
- Among the TreesSat, Oct 31, 2026 · Dousman, WI100K50K
- Turkey Trails - MilwaukeeSat, Nov 21, 2026 · Milwaukee, WI50 Miles1 Mile5K10KHalf Marathon
- Candy Cane Course - MilwaukeeSat, Dec 19, 2026 · Franklin, WI50 Miles1 Mile5K10K15K
- Whitewalker Ultra 100kSat, Jan 16, 2027 · Palmyra, WI100K50K
- SentryWorld Trivia OpenSat, Jan 30, 2027 · Stevens Point, WI3262.1K
- Prevea Health Run Away to the BaySat, Apr 10, 2027 · Oshkosh, WI88.5K
- MadCity UltrasSat, Apr 10, 2027 · Madison, WI50K100K
- Wisconsin Triterium TriathlonSat, Jun 26, 2027 · Verona, WI23.1K46.9K
- Pleasant Prairie TriathlonSun, Jun 27, 2027 · Pleasant Prairie, WI31.7K28.8K51.5K
- Catfish Days 50 Bike TourSat, Jul 10, 2027 · Trempealeau, WI50 Miles
- Green Lake TriathlonSun, Jul 18, 2027 · Green Lake, WI29.7K50K
- Tri-ing for A Cure TriathlonSun, Jul 25, 2027 · Dousman, WI29.4K51.5K
- Heatwave Half Marathon/5K/10K - MilwaukeeSat, Jul 31, 2027 · Milwaukee, WI50 Miles1 Mile5K10KHalf Marathon
- Pedal The Peace RidesSat, Jul 31, 2027 · Afton, WI14.5K50 Miles40.2K
- Dairyland Dare Presented by Incredible BankSat, Jul 31, 2027 · Dodgeville, WI200K150K100K50K
- Loon Ride at Mercer Bike FestSat, Jul 31, 2027 · Mercer, WI11.3K38.6K50 Miles
- Lake Country TriathlonSat, Jul 31, 2027 · Oconomowoc, WI28.4K52.6K113.1K
- Run S'more 24Sat, Aug 14, 2027 · Nashotah, WI50 Miles48.3KMarathonHalf Marathon10K5K
- Big Bull Falls Grand FondoSat, Aug 28, 2027 · Wausau, WI162.5K117.5K56.3K
- Fall Color FestivalSat, Sep 25, 2027 · Whitewater, WI50K29.0KHalf Marathon8K2.4K
- Golden Harvest Half Marathon & 5K/10K - MilwaukeeSat, Sep 25, 2027 · Milwaukee, WI50 Miles1 Mile5K10KHalf Marathon
- UltraTrax Alpine ValleySat, Oct 9, 2027 · Elkhorn, WI11.3K22.5K33.8K45.1K
- Spooky Sprint - MilwaukeeSat, Oct 16, 2027 · Milwaukee, WI50 Miles1 Mile5K10KHalf Marathon