United States
- Alabama 56
- Alaska 15
- Arizona 109
- Arkansas 45
- California 357
- Colorado 131
- Connecticut 39
- Delaware 16
- District of Columbia 14
- Florida 175
- Georgia 97
- Hawaii 9
- Idaho 12
- Illinois 69
- Indiana 71
- Iowa 31
- Kansas 35
- Kentucky 71
- Louisiana 32
- Maine 26
- Maryland 72
- Massachusetts 56
- Michigan 112
- Minnesota 48
- Mississippi 15
- Missouri 64
- Montana 37
- Nebraska 26
- Nevada 28
- New Hampshire 29
- New Jersey 74
- New Mexico 28
- New York 139
- North Carolina 167
- North Dakota 2
- Ohio 94
- Oklahoma 46
- Oregon 81
- Pennsylvania 175
- Puerto Rico
- Rhode Island 8
- South Carolina 68
- South Dakota 7
- Tennessee 72
- Texas 243
- Utah 70
- Vermont 22
- Virginia 141
- Washington 131
- West Virginia 31
- Wisconsin 69
- 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 4041 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!
October 2026
Trail half marathon and 5K at the Whitewater Center in Charlotte on singletrack with over 1,000 ft of elevation gain.
About 7.5 miles on Matney Knob near Norfork, AR, with about 1,800 ft elevation gain. Donation based entry supports local trail projects.
A 5K through the cranberry bogs at AD Makepeace in Wareham on October 31, 2026, with online registration open and awards for overall and age group finishers.
A community 5K at Mill Ridge Park with trail and short paved options, refreshments, and fundraising for park programs.
Trail races of 5K, 7 miles, and 12 miles at Pandapas Pond in Jefferson National Forest with creek crossings and multiple aid stations.
Trail 5K, a 1 mile walk and a roughly 2 km kayak option at Steyer Nature Preserve, with proceeds benefiting the Sandusky River Watershed Coalition.
Quarry Road Trailfest in Waterville on October 31, 2026 features 5 km and 15 km trail races, a free kids fun run, and post-race awards and festivities.
Trail races and a one mile fun run around Beaver Dam State Park raising funds for the Macoupin Center for the Developmentally Disabled.
A Durham event pairing a 2-mile hourly backyard ultra (up to 24 miles) with shorter 2, 4, 6 and 8-mile races and a pledge-per-mile fundraiser.
A one day 24 hour fundraising challenge at River Bluff High School Track supporting survivors of human trafficking and raising funds for Lighthouse for Life.
A cross-country meet in South Boulder offering 1K, 3K and 5K races as Race 2 of the Boulder XC series at Harlow Platts Community Park.
A Halloween 5K run/walk at Pamplin Historical Park on October 31, 2026, with a costume contest and age-category awards.
Community fundraiser at Thompson Falls Power Park with a 5K and 1 mile fun run, race and costume prizes, and proceeds benefiting local trail maintenance.
Cross-country races at Jim Reed Walking Trail on October 31, 2026, with 1 mile, 2 mile and 5K age-group events, awards, and a race T-shirt.
Boydton Day Boo Bash 5K on October 31, 2026 is a trail out and back run and walk with a costume contest; all proceeds support the Mecklenburg County Cancer Association.
A 10 km trail race at Lakeview recreation area in Chanute, Kansas, offered in-person and virtually with a three-hour cutoff and a finisher medal.
Urban Score-O orienteering across the UC San Diego campus with electronic punching, a 1:5000 map, one hour score format, HQ at Sun God Lawn and a 100 person limit.
A 5K trail run across a 100 acre school campus featuring gardens, athletic facilities, and a greenhouse, plus a 520 yard fun run of two laps around the soccer field.
Dayton Wolverines XC Invitational at Deweese Park in Dayton, Ohio on Oct 31, 2026 featuring boys and girls 1 mile races and an open 2 mile race.
A 5K event on October 31 at Word of Life Ranch in Pottersville with trail and road sections, guaranteed shirts for early registrants, awards for top finishers and costumes, and finish-line refreshments.