Races in WI, United States
42 upcoming races in WI, United States.
42 races found
First Mondays Summer Trail Series
The First Mondays 5k Trail Race Series at the Iola Winter Sports Club is a fun new running series for 2025. The IWSC will host a trail race/run every First Monday of June/July/August with the final night the Series Championship in August.
Blue Mound Trail Run
The Blue Mound Trail Run will be on June 6, 2026, with distances of 10K and 18K. This scenic and challenging run takes you to the low points and high points in Blue Mound State Park on beautiful single track and ski trail.
Backyard Nonsense
Backyard Nonsense is a trail race held in Brighton, WI. The event takes place in June 2026.
Thunderbird Warrior Challenge
Thunderbird Warrior Challenge is a 50 km ultra trail race held in Bayfield, WI. The event takes place in June 2026.
Kettle Moraine
Kettle Moraine is a 100 km ultramarathon trail race held in LaGrange, WI. The event takes place in June 2026.
Six Days in the Dome
Six Days in the Dome is a trail race held in Milwaukee, WI. The event takes place in June 2026.
The Strawberry Solstice Run
The Strawberry Solstice Run is a trail race held in Prairie du Chien, WI. The event takes place in June 2026.
Dawn to Dusk Endurance Run
Dawn to Dusk Endurance Run is a trail race held in Valders, WI. The event takes place in June 2026.
NCTRaces: Palmers
NCTRaces: Palmers is a 5.0 km trail race held in Solon Springs, WI. The event takes place in July 2026.
Washington Island Ultra
If you'd like to join the waitlist, please email craig@mammothendurance.com with your First Name, Last Name and desired email address. If you'd like to race, you need to join the waitlist and register ASAP on August 1st to claim your spot.
Wausau 24
Wausau 24 invites you to participate in the Midwest's largest 24 hour mountain bike race. With multiple categories we have the challenge you are looking for.
Wausau Trail Run
As a part of the Wausau 24 weekend of events, Wausau Trail Run utilizes the single track mountain bike and ski trails at Nine Mile Recreation Area to host a 5K, 10K, and 20K trail run (Each runner. Be prepared for twists and turns, roots and rocks.
Hixon4est RUD run
The RUD Run (Run Until Done) is a very unique experience for runners. We welcome runners of all ability and experience level.
Badger Trail Races by Ten Junk Miles Racing
Badger Trail Races by Ten Junk Miles Racing is a 100 km ultramarathon trail race held in Belleville, WI. The event takes place in August 2026.
White Oak Fest 5K
White Oak Fest 5K is a 5.0 km trail race held in Dodgeville, WI. The event takes place in August 2026.
Thanks Sandy
Thanks Sandy is a trail race held in sheboygan, WI. The event takes place in August 2026.
Registration Opens May 1, 2026
Registration Opens May 1, 2026 is a trail race held in New Glarus, WI. We are part of the Savanna Trail Run Series.
Trystan's Backyard Ultra
Trystan's Backyard Ultra is a ultra trail race held in Prairie du Chien, WI. The event takes place in August 2026.
Run The Hawk Trail Run
Run The Hawk Trail Run is a trail race held in Middleton, WI. The event takes place in August 2026.
Mindy Creek Trail Races
Mindy Creek Trail Races is a 10 km trail race held in St. Croix Falls, WI. The event takes place in August 2026.
Midwest States 100
Midwest States 100 is a 100 km ultramarathon trail race held in Westboro, WI. The event takes place in August 2026.
Prairie Dog Trail Run
This is the inaugural trail race with two distance options: 5K and 10K. The course will take you through restored prairies, woodlands, young and mature oak savannas, pine woods, and Wisconsin's terminal moraine.
Wisconsin ANVIL Ultra Triathlon
Wisconsin ANVIL Ultra Triathlon is a ultra trail race held in Dousman, WI. The event takes place in September 2026.
Goose Bumps 6 & 24 Hour Run
Goose Bumps 6 & 24 Hour Run is a trail race held in Stoddard, WI. The event takes place in September 2026.
Last Dot Standing and 24/48 Hour by Ten Junk Miles
Last Dot Standing and 24/48 Hour by Ten Junk Miles is a trail race held in Beleville, WI. The event takes place in September 2026.
Twisted Roots
Twisted Roots is a marathon trail race held in Sherwood, WI. The event takes place in September 2026.
Echo 136
Echo 136 is a 219 km ultramarathon trail race held in Whitewater, WI. The event takes place in September 2026.
Fall Color Festival
Annual mountain bike event held at the John Muir trails that raises money for future trail development and trail maintenance. This is your day to give something back to the trails and the sport you love.
Queen of the Ridge
Queen of the Ridge is a trail race held in Arena, WI. The event takes place in September 2026.
Fall into Fall Trail 5k Run/Walk
Challenging and fun Trail-5k with natural dirt trails, trees, and scenic views. New this year - Chip timing by Velocity Events Management Join us for a competitive Run or a casual Walk on the scenic trails.
S'more Fun Trail Run
This fun trail run includes a Mini Marshmallow 1-mile kids run age 11 & under, 5K run & walk and 10K trail and a half marathon run along the park's scenic trails. There will be chip-timing for the 5K run,10K run & Half Marathon race with the help of Tortoise and Hare Race Management timing company.
The Trout Brook
The Trout Brook is a 16 km trail race held in Hudson, WI. The event takes place in October 2026.
Broken Rock Trail Runs
Broken Rock Trail Runs is a 50 km ultra trail race held in Dodgeville, WI. The event takes place in October 2026.
HELIOS 6/12/20 HOUR ULTRA
October 10th-11th, 2026 | Eagle , Wisconsin 6 / 12 / 20 Hour Ultra Run (Solo Runner or Relay team of up to 4) Join us for the inaugural 6-, 12- or 20-Hour FALL Ultra in the Southern Kettle Moraine. Complete as many loops as possible during your selected timeframe of 6, 12 or 20 hours.
Door County Fall 50
Door County Fall 50 is a 81 km ultra trail race held in Sturgeon Bay, WI. The event takes place in October 2026.
Among the Trees
Race Description Join us on October 31th, 2026, for a scenic run through the Southern Kettle Moraine Forest on the historic Ice Age Trail. Participants can choose between 100k and 50k distances.
Icebox 480/240
Icebox 480/240 is a trail race held in River Falls, WI. The event takes place in November 2026.
Red Yeti Rampage
Lace up your trail shoes and get ready for the Red Yeti Rampage , a fall trail run hosted by the Chippewa Valley Nordic Ski Team (The Red Yetis) at Tower Ridge. Choose from the 5K, 10K, or new for 2026: the 15K Yeti Challenge route — all begin and end at the Chalet.
NCTRaces: 15x
NCTRaces: 15x is a trail race held in Solon Springs, WI. The event takes place in November 2026.
Abominable Trail Race
We are so excited to welcome you back for Year 4 of the Abominable Trail Race. Hosted at the beautiful Lake Geneva Ziplines & Adventures venue.
The Guv'nor Frozen 50
The Guv'nor Frozen 50 is a 50 km ultra trail race held in Dodgeville, WI. The event takes place in December 2026.
Cold Coding
Cold Coding is a 13 km trail race held in Lake Geneva, WI. The event takes place in December 2026.