United States
- Alabama 47
- Alaska 22
- Arizona 104
- Arkansas 27
- California 344
- Colorado 137
- Connecticut 46
- Delaware 9
- District of Columbia 11
- Florida 135
- Georgia 107
- Hawaii 3
- Idaho 25
- Illinois 87
- Indiana 62
- Iowa 43
- Kansas 34
- Kentucky 43
- Louisiana 29
- Maine 33
- Maryland 60
- Massachusetts 51
- Michigan 114
- Minnesota 58
- Mississippi 16
- Missouri 70
- Montana 37
- Nebraska 18
- Nevada 31
- New Hampshire 45
- New Jersey 54
- New Mexico 28
- New York 154
- North Carolina 129
- North Dakota 1
- Ohio 111
- Oklahoma 28
- Oregon 71
- Pennsylvania 179
- Puerto Rico
- Rhode Island 11
- South Carolina 56
- South Dakota 11
- Tennessee 69
- Texas 181
- Utah 86
- Vermont 34
- Virginia 149
- Washington 111
- West Virginia 25
- Wisconsin 73
- Wyoming 14
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 3935 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!
December 2026
Trail races in Glenmont, OH on December 12, 2026 using the Bob's Big Timber course, offering 50k and 25k with a lightly stocked aid station.
Trail races at Governor Dick Park in Mt. Gretna on December 12, 2026 offering 5 mile and 10 mile courses, with all proceeds funding trail and park improvements.
Trail races at Oakes Quarry Park in Fairborn on 12/12/2026 with a 1.55 mile fun run plus 5K, 10K and 15K looped courses; medals for all finishers.
Trail races in Pilot Hill, CA on Dec 12, 2026 offering distances from 5K to 50K on stony, hilly dirt paths with lake views.
A weekend trail event in Blydenburgh County Park featuring a Backyard Ultra with 4.167 mile hourly loops and a separate 4.16 mile lapping race. A portion of proceeds supports the Long Island Greenbelt Trail Conference.
A trail running event in Socorro on December 12, 2026, offering 18-mile and 6.2-mile courses, on-course aid stations, participant meals, shirts, photos, and awards with part of proceeds supporting local trails and the high school cross country team.
A scenic half marathon and 10K circumnavigating Angel Island, with mandatory ferry access, a 400 participant limit, and panoramic views of San Francisco.
A trail event in Cool, CA on Dec 12, 2026 offering a 50K and Half Marathon with aid stations, GPX maps, finisher medals, and a 200-runner limit.
Timed 6 and 12 hour loop trail races on a ~1.5 mile singletrack near Ramona with a single aid station and limited entries for SURF members.
Trail race in Memphis on the Wolf River Trails offering a Half Marathon and 7 Miler with aid stations, a cupless policy, and a custom finisher medal.
Four winter trail races at Shelby Farms Park offering short and long series, race shirts, age group and overall awards, plus a weather contingency and no-refund registration policy.
A three-hour team relay at Atlanta Track Club around a 1.3 mile loop, teams of 2 to 6 compete for distance with awards for male, female and mixed teams.
A point to point half marathon on the Southside Trail at Folsom Lake featuring mostly single track, an overall ascent of 1,683 ft, multiple aid stations and a 4.5 hour time limit, starting at Salmon Falls and finishing at Brown’s Ravine.
A 50K trail race through the Phoenix Mountain Preserves with rocky, technical terrain, significant climbing, limited shade, aid at major trailheads, and crew and pacer access.
A 10.5 mile single-lap trail event at Findley State Park open to runners and hikers, serving as a fundraiser with aid at midcourse and post-race food and finisher medals.
A two loop trail 50K at First Landing State Park in Virginia Beach with two full aid stations, drop bags, a finisher medal and a post race party at Smartmouth Brewery.
Experience the South Carolina Lowcountry with an all trail run through the ancient forests of Palmetto Bluff. Choose from 10K, 30K, or 50K distances with individual and relay team options available.
Experience a fast and flat end of year ultra at Cooper River Park. Run a paved 3.75 mile loop featuring views of the Philadelphia skyline and access to a fully stocked aid station throughout the day.
Holiday Hootie Hoo on December 13, 2026 in Pine Mountain GA features a trail half marathon and 10K at F.D.R. State Park with a race hoodie and finisher award.
Trail runs on Aetna Mountain in Chattanooga offering 5Kish and 10Kish looped courses, an aid station, holiday swag, and family-friendly start/finish amenities.