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Trail Running Calendar United States 2026-2027

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Explore the best trail runs in the United States for 2026-2027! Our updated list features 3954 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 Half Marathon and 10K in Pioneertown, CA with high desert and Sawtooth Mountain views, chip timing, podium prizes, and proceeds supporting the John Wayne Cancer Foundation.
Tough Mudder Los Angeles at Lake Elsinore Raceway on March 20, 2027 features 15K and 5K obstacle courses, Infinity laps, and spectator options.
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 races in Owen-Putnam State Forest offering 50 mile, 50K, 14 mile and 10K options on a 14 mile lollipop single track course.
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.
A chip timed 5K at Osprey's Dominion Vineyards in Peconic, NY on March 20, 2027. Entry includes a t-shirt, collapsible wine glass, finisher medal, chip timed bib and a pour of wine.
Two days of trail runs and bike rides in Griffith Park and on the LA River Bike Path, raising funds for Streets Are For Everyone's road safety work.
Trail event in Trussville, AL on March 20, 2027 offering 50K, 25K, 15K and 5K on repeated 5K loops with proceeds to the Trussville Historical Society.
Coastal ultrarunning on Bald Head Island with 50 km and 51.4 mile options combining island roads, maritime forest trails, and long East Beach out-and-backs.
Six hour timed trail event at Roosevelt Forest in Stratford CT with a 2.3 mile loop, a 50K option, limited field and awards for top mileage.
Trail run series in New Jersey offering off road races from 5k to 50k with chip timing, awards, and proceeds benefiting Troopers Assisting Troops.
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 races in Purlear NC on March 20, 2027 offering 4 Miler, 25K and 50K over mountainous terrain with a 10 hour cutoff and a waterfall on course.
A rugged trail event at Kanopolis Lake State Park featuring a 10K where participants carry a 50+ lb cross, plus separate 10K and 5K trail races and limited entry.
Trail races of 7.10 and 3.55 miles at Harbins Park in Dacula, Georgia on Mar 20, 2027, part of a Trail Run Series with shirts and age group awards.
A 12 hour loop run in Joshua Tree on a winding 1 mile singletrack with limited fields, shoe demos, on-course aid, and awards for ultradistance finishers.
A spring trail 50K at Susquehanna State Park with two identical loops, about 4,300 feet of climbing and several stream crossings, supported by aid stations and volunteers.
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