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.

50th annual Pinecrest Run in Pinecrest, CA: five-mile and one-mile courses along Pinecrest Lake, held as a fundraiser for Pinecrest Expedition Academy.

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.

Trail races around Bass Lake, California offering 50 mile, 50 km and half marathon routes through the Sierra National Forest with sequoias, granite slabs, river crossings, stocked aid stations and a shuttle to the start.

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.

Inaugural Black Oak Challenge in Tuolumne features a 5K with physical and mental obstacles plus a 1 mile family run with water challenges.

A multi-distance trail race weekend in Mammoth Lakes featuring technical high-elevation courses, marked routes, aid stations, a cup-less policy, and chip timing.

A point-to-point half marathon at Twin Lakes near Bridgeport, CA, featuring mountain elevations, three aid stations, shuttle service, and proceeds benefiting Bridgeport Elementary School.

THE MAMMOTH on October 2, 2026 in Mammoth Lakes CA is a loop footrace around a volcanic caldera with alpine lakes, volcanic terrain and a Mammoth Mountain summit at 11,053 feet.

Veteran-focused 5k and fun runs on 11/11/2026 in Clovis, CA, with in-person and virtual options supporting veteran organizations.

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.

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.

A 5K obstacle run at Hobb's Grove in Sanger, California on April 25, 2027, with Adult and KIDZ Family waves. Waivers and photo ID are required and spectators pay a 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.