United States
- Alabama 47
- Alaska 22
- Arizona 102
- Arkansas 26
- California 342
- Colorado 140
- Connecticut 46
- Delaware 9
- District of Columbia 11
- Florida 135
- Georgia 107
- Hawaii 3
- Idaho 24
- Illinois 88
- Indiana 62
- Iowa 43
- Kansas 34
- Kentucky 43
- Louisiana 28
- Maine 33
- Maryland 60
- Massachusetts 52
- Michigan 115
- Minnesota 60
- Mississippi 16
- Missouri 72
- Montana 37
- Nebraska 17
- Nevada 31
- New Hampshire 45
- New Jersey 54
- New Mexico 27
- New York 155
- North Carolina 130
- North Dakota 1
- Ohio 110
- Oklahoma 28
- Oregon 71
- Pennsylvania 181
- Puerto Rico
- Rhode Island 11
- South Carolina 55
- South Dakota 11
- Tennessee 69
- Texas 180
- Utah 86
- Vermont 34
- Virginia 149
- Washington 110
- West Virginia 26
- Wisconsin 74
- Wyoming 15
Trail Running Calendar United States 2026-2027
Explore the best trail runs in the United States for 2026-2027! Our updated list features 3940 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!
March 2027
A backyard ultra style event in Rome GA where each 4 mile loop must be completed one minute faster than the previous, organized by Three of Seven Project.
Multi-distance looped trail event at Sweetwater Creek State Park offering 3, 7 and 11 hour endurance formats, chip timing, and a convenience store style aid station.
Trail running event in Valencia California on 03/20/2027 offering 10K, Half Marathon, and 50K Ultra across hills, ridgelines, and canyon terrain with views of the Santa Clarita Valley.
A chip timed Half Marathon and 10K in Pioneertown's high desert with scenic views, aid stations, finisher mug and shirt, benefiting the John Wayne Cancer Foundation.
A mud and obstacle event at Lake Elsinore Raceway on March 20, 2027 offering 15K and 5 to 8K courses, an Infinity multi lap option, spectator access and group packages, with finisher medal, shirt, headband and drink included.
A multi-distance ultra on the Outer Banks held March 20 to 21, 2027 that runs point to point along paved coastal roads from Corolla or Nags Head to Hatteras. Options include 100 mile, 100K, relay, chariot, pacer and virtual events.
Trail event in Owen-Putnam State Forest with 50M, 50K, 14M and 10K options on mostly single track lollipop loops; aid stations do not provide cups.
Held on the Amerind Museum grounds in Texas Canyon, this annual trail event offers 5K and 10K courses through desert terrain and rock formations. Awards include medals and Native American art and registration includes museum admission.
A trail event at Granite Beach offering 5K and 10K courses plus a Mighty Mile for senior dogs, with divisions by dog size and Cani Cross, single aid station, finisher medals, and awards for multiple categories.
A spring mountain trail event in the Blue Ridge Mountains on March 20, 2027, offering 50 mile, 50k and 25k races on mostly single track and forest roads, with limited entries and cabins at the start finish.
Test your limits in Lorton at this elite backyard marathon featuring dedicated day and night loops. With a limited field of 65 runners and a chef supported aid station, it is the perfect venue for a personal best.
Chip timed 5k run and walk at Osprey’s Dominion Vineyards in Peconic, NY on March 20, 2027, over a two lap cross country loop with a postrace wine pour for eligible participants. Registration includes a T shirt, collapsible wine glass and finisher me..
Two days of trail runs and road and river bike rides at Griffith Park supporting Streets Are For Everyone's road safety work, with distances from 1K and family rides up to a half marathon and 100 mile ride, based at the Autry Museum.
A coastal ultramarathon on Bald Head Island offering 50 km and 51.4 miles across island trails and long beach out and back sections with limited aid and ferry access.
Mainly Marathons holds Appalachian Series day 3 in Seneca SC on March 21–22, 2027 offering marathon, half marathon, 50K, 10K and 5K races with listed entry fees.
A limited-field 6 hour trail ultra at Roosevelt Forest in Stratford CT with a 50K option on a 2.3 mile loop through roots, rocks and rolling hills.
The Rat Race 50k is a 100% off-road ultramarathon at Wells Mills Park with an 8-mile loop plus three 10k loops, chip timing, finisher medals and age-group awards; the series also includes shorter trail races and themed events.
Trail races at Copper Breaks State Park on March 20, 2027 offering 20K, 54K, 50M and a 20K ruck across varied surfaces with aid stations and required gear.
Trail race in Purlear NC offering 4 Miler, 25K and 50K routes across mountainous trails with an Amadahy Trail waterfall and a 10 hour cutoff.
A trail event at Kanopolis Lake State Park where runners carry a 50+ lb cross for a 10K, with additional 5K and 10K trail options and post-race food and awards.