United States
- Alabama 55
- Alaska 15
- Arizona 108
- Arkansas 44
- California 356
- Colorado 131
- Connecticut 40
- Delaware 16
- District of Columbia 15
- Florida 175
- Georgia 97
- Hawaii 9
- Idaho 14
- Illinois 70
- Indiana 71
- Iowa 31
- Kansas 36
- Kentucky 71
- Louisiana 30
- Maine 26
- Maryland 71
- Massachusetts 61
- Michigan 103
- Minnesota 48
- Mississippi 15
- Missouri 65
- Montana 34
- Nebraska 21
- Nevada 27
- New Hampshire 30
- New Jersey 73
- New Mexico 29
- New York 143
- North Carolina 164
- North Dakota 2
- Ohio 91
- Oklahoma 44
- Oregon 83
- Pennsylvania 183
- Puerto Rico
- Rhode Island 8
- South Carolina 68
- South Dakota 6
- Tennessee 73
- Texas 242
- Utah 66
- Vermont 20
- Virginia 145
- Washington 124
- West Virginia 30
- Wisconsin 67
- Wyoming 7
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 4012 exciting trail runs across the country. Find your next trail run in the United States below and join the trail community at these great events!
May 2027
Trail Mix Race in Lake Rebecca Park Reserve, Rockford MN offers 6K, 12.5K, 25K and 50K trail courses through forests, wetlands and prairie.
Time based 8 hour and 4 hour races at Westminster Park on a 1.75 mile loop with about 155 ft elevation per lap and an organic aid station.
Multi-format track ultrarunning at a USATF certified 400 m track in Sharon Hill PA with 100 mile, 50K, 24-hour, 12-hour and virtual 50K options.
One of the oldest continuously running ultras in the country, Ice Age Trail 50 runs through glacial terrain and offers 50 mile, 50K and half marathon distances.
A charity trail event at Oak Mountain State Park featuring a 12-hour challenge, a 10K race, and a free kids 1/2 mile race, with proceeds to Smile-A-Mile.
Scenic 5K at Waltz Vineyards in Manheim with chip timing, awards, post-race wine for 21+, live music and on-site food in a vineyard setting.
Trail races from Stinson Beach into Muir Woods offering marathon, half marathon and 7 mile courses with technical trails, aid stations and a 300 runner limit.
A weekend at North Fruita Desert with a 55K trail ultramarathon, a 13.8 mile half marathon, kids races, clinics, and reserved campsites.
Tackle a technical 5K or 10K trail run through the scenic woods of Camp Hebron featuring creek crossings, hill climbs, and local refreshments.
A time trial on Firelane 1 in Forest Park covering 4.45 miles with 1,266 feet of gain and loss, wave starts at ten minute intervals and a post race gathering at Great Notion Brewing.
A 4-mile obstacle race across 400 acres with 20+ obstacles, a final 25 yard water element, post-race food and beer for those 21+, benefiting Graham Creek Nature Preserve.
Bowling Green event on 05/08/2027 offering 5K, 10K and 13.1 Mile gravel out-and-back courses with registration via RunSignup.
Trail races at Shelterhouse Picnic Area on May 8, 2027 offering a 10k and a half marathon through forested single track and creek side paths.
Trail ultra at Fort Yargo State Park near Winder GA with a 50K (two 15.6 mile loops) and a single-loop 25K, marked course and aid stations.
A family friendly muddy 5K with obstacles, mud pits, a pre party and value or VIP registration options at Adventure Unlimited in Pensacola on May 8, 2027.
A 5k event at Dry Creek Preserve in Woodlake CA on May 8 2027 offering live and virtual races plus a kids race with proceeds supporting the preserve.
Trail races in Minong WI on May 8, 2027 offering 87K, 62K, 25K and 10K over ATV trails, county roads and mixed surfaces.
Fourth annual charity race in Richland Center with multiple distances, a 3.5 mile trail course, and a First Responder team challenge to support local cancer needs.
Trailquake in Saratoga on Mother's Day offers 5K, 10K, a half marathon and a hiker division on redwood and pine forest trails. Finishers receive custom medals and shirt options.