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Showing 25–48 of 68
Tackle the Southern Grit Endurance Challenge, a multi-hour ultra and ruck event set against Kentucky's scenic Knobs region, offering a true test of grit and camaraderie.
Triathlon · 17 mi · Duathlon · 20 mi · 14 mi · Walk
4/18/2026 · Carrollton, GA
Listed May 25, 2023
A multi-sport sprint event in Carrollton, GA, offering triathlon, duathlon, and aquabike options with a time trial swim start and awards ceremony.
3K · 1.9 mi · 8K · 5 mi · 1K · Walk
4/18/2026 · Plano, TX
Listed Feb 4, 2025
Join the Plano Pacers for their Hall of Fame Run, featuring 3K and 8K distances, plus a free Kids K. Celebrate club history and achievements at this community-focused event.
Join the inaugural Sky Rim Duathlon in beautiful Durango, Colorado, featuring a 3-mile run, 12-mile bike, and another 3-mile run, with special pricing for students.
Test your endurance in this 18.6-mile Norwegian Foot March, carrying a 24lb ruck with strict time standards to earn a Foreign Badge.
Challenge yourself on a scenic 10K through the historic hills and valleys of Virginia's Blue Ridge foothills, perfect for serious runners.
10K · Fun Run · 1 mi
4/18/2026 · Glenn Dale, MD
Listed Jan 13, 2019
Join the Prince George's Running Club for their 39th annual Springburst 10K, part of the MDRRCA Grand Prix Series, plus a free kids one-mile fun run.
Conquer over 20 challenging obstacles across 7-8 miles of rugged desert terrain at the breathtaking Horseshoe Bend OCR, an epic race with iconic views.
A fast-paced mile race on the track, perfect for chasing a PR while supporting a scholarship fund for local high school athletes.
OCR OVERLOAD in Gainesville, FL, offers a 4.3-mile course with 23+ challenging obstacles, mud, swamps, and a monster finisher rig. Also features a 5-mile trail run and Ninja dash.
OUTLAST Little Rock is a 6-hour trail endurance challenge where runners complete a 5K every hour, on the hour, testing pacing, discipline, and mental grit.
Tackle 45 miles of Missouri gravel in this challenging race, featuring chip timing, finisher medals, and a vibrant post-race festival, all supporting Trailnet.
Challenge your team in a military-themed 4-mile race with obstacles, a ruck march, and simulated stress fire, all wrapped in a festive, quirky atmosphere benefiting a good cause.
Test your limits in this unique last-person-standing event with a shrinking clock, blending relentless effort with a supportive community vibe in Soldotna, Alaska.
Test your speed and strength in this fast-paced HYROX Sprint, a quarter-distance simulation of the full HYROX race.
Marathon · Half Marathon · 10K · 52 mi · 1 mi · 5K · 101 mi
4/18/2026 · Roanoke, VA
Listed Nov 23, 2020
Conquer "America's Toughest Road Marathon" with over 7,430 ft. of elevation change on the scenic Blue Ridge Parkway, supporting local charities.
Test your endurance at Alum Creek State Park in this unique 6-hour trail race, completing as many 5K loops as possible to be crowned champion.
50K · 20 mi · 10 Mile · 10 mi · 10K · 5K · 2.1 mi · 2.3 mi · 4 mi · 7.8 mi
4/18/2026 · Waco, TX
Listed Apr 4, 2021
Tackle the "Toughest 'N Texas" trail runs in scenic Cameron Park, featuring rocky, hilly, single-track courses from 5K to 50K, complete with post-race tacos and beer.
Tackle the challenging, unsupported gravel routes of the beautiful Driftless Region at the Dairy Roubaix, a Wisconsin cycling tradition for friends.
10 mi · 5 mi · 10 Mile · 12 mi · 4 mi · 2 mi · 3.8 mi · 7.1 mi · Half Marathon
4/19/2026 · Rockford, MI
Listed Jan 23, 2026
Join the inaugural Rogue River Gauntlet, a competitive canoe race in Rockford, MI, offering cash and prizes for elite paddlers and community fun.
Conquer the multi-stage Hanging Man Triathlon, an unforgettable 50-mile endurance challenge through North Carolina's stunning landscapes, featuring mountain climbs, rugged trails, and multiple lake and river swims.
An 81-mile ultra-running challenge for 2 or 3-person teams, traversing deserts and mountains with extreme conditions and over 9000 feet of elevation gain.
Half Marathon · Marathon
4/19/2026 · Jersey City, NJ
Listed Apr 27, 2022
Chase a Boston Qualifier on this fast, flat course through Jersey City's diverse neighborhoods, offering both marathon and half marathon distances.
Triathlon · Aquathlon · 5K · 16 mi
4/19/2026 · Prosperity, SC
Listed Oct 15, 2018
Test your triathlon skills at the Lake Murray Sprint Triathlon, a favorite event for South Carolina triathletes and part of the state series.