Trail Running Calendar United States 2025-2026

Take on the Devil Makes Three trail races in Waxhaw NC on May 16, 2026 with a 50K three loop challenge or a single lap 10 mile option. Enjoy scenic technical trails, prairie and lake views, aid station support and a finisher medal.

Hit the scenic Dash Through the Dirt on the C&O Canal towpath with 5k, 10k and half marathon on light gravel trails. Chip timing, finisher coin and tech shirt included while supporting the EOD Warrior Foundation; virtual option.

Take on rugged trails around Possum Kingdom Lake at Possum's Revenge, with rock, root and sand underfoot and big climbs across looped courses. Multiple distances from 4 miles to 69 miles let runners choose their own challenge.

Tackle rugged trails at the Silver State 50/50 in Reno on May 16, 2026, offering 50 mile, 50K and trail half marathon distances across scenic, challenging singletrack. Expect big climbs, friendly aid stations and a classic ultra vibe.

Take on Ragged Mountain near Berlin CT in a last person standing race. Run a 3.11 mile loop each hour and keep finishing within the hour until only one runner completes a loop and wins.

Join the Armed Forces Endurance Run, a timed endurance event honoring the Air Force with special swag and finisher medals. Choose 6, 12 or 24 hour solo formats or a 24 hour team relay around scenic Bixler Lake with live music and camping.

Run a rugged 50k or 100k at Camp Agapé in Fuquay Varina on May 15 to 17, 2026, over technical singletrack and gravel loops with big climbs. Camping included but limited so carpool and enjoy a friendly weekend with aid stations.

Wild Rose Half Marathon & 5K is a brand-new spring running event in Roseville, California, starting and finishing at Moksa Barrel House. Runners can choose a flat, fast Half Marathon on the Pleasant Grove Bike Path—a forked out-and-back wit..

Back On The Ranch Trail Run Back On The Ranch Trail Run takes place on October 3 and 4, 2025, in Los Olivos, CA. The event offers timed and multi-duration trail options. Distances and formats listed for the event include: 3 hour 6 hour 12..

Race the Sky Pilots Ouray Backyard Ultra in Fellin Park on May 16, 2026. Complete a 4.167 mile loop each hour until one runner outlasts the rest, with scenic river walk views and supportive aid station service.

Run the Motion for Justice 5k in Rocketts Landing along the scenic Virginia Capital Trail with James River views. Enjoy a finisher medal and technical shirt or go virtual if you cannot attend in person.

Endure Trail Runs at Mueller State Park: scenic single and double track courses offering 10K, half, marathon and a quirky 12 hour loop event where runners draw loop colors. Small field, central aid and on site camping.

Cruel Jewel 50 is a rugged 57.5 mile point to point trail race through the North Georgia Mountains, finishing in Blue Ridge on May 16, 2026. Expect technical single track, steep climbs, a scenic Toccoa River crossing and big elevation gain.

Run the Cancer Active Trail Race in Black Mountain, choose in person or virtual 5K, and enjoy scenic trails. Aid stations, shirts for early registrants, and friendly volunteers make this a welcoming community event.

Celebrate the 15th anniversary of Run for Amma, a charity trail run at Skyline Ridge supporting UCSF cancer research. Choose from challenging 50K and 30K routes or a scenic 10K, and enjoy community support from volunteers and local clubs.

Run loops under shade at Richfield Heritage Preserve on a scenic 2.92 mile loop with 225 feet of gain, with timed options from 6 Hour up to 100 Mile. Chase a big day or a personal best while supporting the preserve.

Run the Forgotten Forest 9 hour Ultra at Roosevelt Forest in Stratford CT, a timed trail on a scenic 2.2 mile loop with roots, rocks and rolling climbs. Limited to 50 runners for an intimate, rugged day on the trails.

Challenge yourself on scenic park roads and improved trails at Palisades Park. Choose 5K, 10K, 15K or 20K loop options, support OHS Cross Country, and enjoy tower views and a festive small town atmosphere.

Run the Tillamook State Forest from Reehers Camp with 50 mile, 55K (35 mile) and a back to back double over a challenging weekend. Enjoy rugged singletrack, big climbs, full aid and proceeds supporting local trail and forest charities.

Conquer the Massanutten Mountain Trails 100 mile, a classic ultramarathon in Virginia's Shenandoah Valley with over 18,000 feet of climb on rugged mountain trails. The 30th edition runs May 16, 2026 with volunteer aid and a 36 hour cutoff.