Trail Running calendar near Mammoth Lakes 2026-2027

Mountain trail race at Balsam Forebay, Shaver Lake offering 14K (8.7 mi) and 8K (4.97 mi) courses with notable climbs and Sierra views. Field capped at 250; includes shirts, finisher medals, awards, and post-race refreshments.

Operation YOSEMITE 2026 is an in-person trail event in Mono County, California on August 8, 2026, offering four distances from 6 to 22 miles with a 20 lb dry load and specified elevation gains.

SAR Wild Run is a mountain trail event near Shaver Lake supporting the Fresno County Sheriff’s Search & Rescue Team. Races and a family hike range from 5K to a trail half marathon, and a virtual option includes mailed finisher items.

The 50th annual Pinecrest Run on August 9, 2026 in Pinecrest, CA features a five mile route around Pinecrest Lake and a one mile paved race. The event raises funds for Pinecrest Expedition Academy and does not allow pets.

TANRI Lake Race 2026 at YMCA Sequoia Lake features a 10-hour individual lap race, a 3-person relay on 5-mile loops, and a 10K single loop, with prizes, a hat and dinner included and a raffle for individual runners who complete eight laps.

A chip-timed one-mile uphill trail race to the top of Pincushion Mountain in Friant, CA, with awards and finisher items. A Mountain Goat edition allows multiple timed ascents within a four-hour window and includes special awards.

A memorial community climb on September 12, 2026 to Mt. Grant Mountain near Hawthorne, NV, featuring a roughly 17 mile route with about 7000 feet of ascent and a planned 9/11 tribute that supports the Veterans Memorial Park.

A community run at George's River Ranch along the San Joaquin River on September 19 2026. Events include a 10K trail, 5K, 2 mile and a kids quarter mile with registrations opening June 1 2026.

A community road and trail event in Fresno on September 19, 2026 offering 10K, 5K, 2 mile, and kids quarter mile races beside the San Joaquin River while supporting Pediatric Trauma injury prevention at Valley Childrens Hospital.

Black Oak Challenge in Tuolumne on September 19, 2026 features a 5K with on-course physical and mental challenges and a 1K family run with water obstacles. Finisher medals are awarded to 5K finishers.

A multi-race trail weekend in Mammoth Lakes with marked courses, aid stations, chip timing, drop-bag services, and prize money. Runners should expect high‑altitude terrain, specific gear recommendations, and cup-less, low-waste race operati..

A point to point half marathon at Twin Lakes near Bridgeport CA on September 26, 2026, with shuttles between start and finish, three water aid stations, and proceeds benefiting Bridgeport Elementary School.

The Mammoth is a loop ultrarace in Mammoth Lakes, California on October 2, 2026. The course circles an ancient caldera and passes alpine lakes, volcanic rock, Mono Lake tufas and summits above 11,000 feet.

A trail race at Finegold Creek Preserve in Friant, California, featuring a 10k and a 7k on conserved foothill land. Net proceeds support Kids Kasa Foster Care and the Sierra Foothill Conservancy.

A community run hosted by Huckleberry's in Clovis with in-person 5K and 2 Mile courses plus a virtual option, breakfast coupons, youth pricing, and proceeds supporting the Poverello House.

Experience trail running along the scenic Millerton Lake and San Joaquin River in Friant. This event features 10k, 25k, and 50k races with regular aid stations and support for long distance runners.

Running For Warriors in Clovis, CA offers in person 5k and 2 mile events plus a virtual 5k to support veteran focused charities. The organizer is a 501(c)(3) nonprofit that provides financial assistance to groups serving veterans.

An overnight lap race in Reedley, California, held around the full moon. Options range from 12K and timed 6, 12, and 24 hour categories to 100 miles, plus 2 to 4 person relays, camping, and full aid station support.

Mud Factor FRESNO is an annual 5K obstacle mud run at Hobb's Grove in Sanger, CA on April 25, 2027, with Adult and KIDZ Family waves; waivers and photo ID are required and spectators pay a $10 cash fee for festival-area access.

Trail runs of 31.1 miles and 12.4 miles through Sierra National Forest, with spaced aid stations, onsite pre-race lodging and dinner, and no pets on course or campus.