Trail Running calendar near Mammoth Lakes 2025-2026

Kiwanis River Run is held at George’s River Ranch on CA-41 in Fresno, California, along the San Joaquin River. The event offers four distances: 10K Trail Run, 5K Run/Walk, 2-Mile Fun Run/Walk, and a Kids 1/4 Mile Fun Run for ages 10 and under. Runners traverse three scenic off-road routes along the..

The Kiwanis River Run takes place on Saturday, September 20, 2025, in Fresno, CA at George’s River Ranch (formerly Panoche Creek River Ranch), 8805 CA-41, Fresno, CA 93720. The event supports the Pediatric Trauma - Injury Prevention Program at Valley Children’s Hospital. Distances offered include:..

THE MAMMOTH is an ultramarathon held in Mammoth Lakes, California. The race is a permitted, self-contained loop through the Eastern Sierra, circumnavigating a 760,000-year-old caldera and linking small mountain communities. Runners pass alpine lakes, old mines, golden fall foliage, dense pines, the..

Ridge Rambler Half Marathon is held in Bridgeport, California, on the last Saturday of September. The point-to-point race starts at about 7,100 feet on the backside of Lower Twin Lakes, stays around the lake, then descends toward Buckeye Road (6,800 ft) before climbing the ridge to finish at 6,600 f..

Range of Light Trail Races take place at Millpond County Recreation Area in Bishop, California, offering four distances: 5k, 10k, 33k, and 50k. The courses combine fast dirt roads and tough single-track, with the longer routes looping through the Tungsten Hills to provide strenuous climbs and sweepi..

The Wascally Wabbit Trail Race, held in Friant, California, takes place at the scenic Finegold Creek Preserve managed by the Sierra Foothill Conservancy. This trail event offers two distances: a 10k and a 7k run/walk, providing participants with a rewarding outdoor experience through protected natur..

The San Joaquin River Trail race takes place on Saturday, December 6, 2025, in Friant, CA at the S. Finegold Picnic Area. The event includes the following distances: 50k 25k 10k The courses run along trails near Millerton Lake and the San Joaquin River. Runners receive a finishers medal and race..

The Silver Moon Race at Kings River takes place in Reedley, California, offering 12K, and 6-, 12-, 24-hour, or 100-mile options on a scenic lap course. Runners complete a 2-mile or 2.5-mile loop through farms, vineyards, oak canopies, and along the Kings River in Central California, with an atmosphe..

The Bishop High Sierra Ultras, held at Millpond Recreation Area in Bishop, California, offers challenging high-altitude trail races including 6K, 20 Mile, 53K, 50 Mile, and 100K distances. The courses traverse scenic Eastern Sierra Nevada foothills, primarily on 4WD dirt roads with some single-track..

The Shadow of the Giants is an annual trail running event held in Fish Camp, California, just outside Yosemite National Park, featuring 50k and 20k distances. Set in the scenic Sierra National Forest, the race offers a challenging course with aid stations spaced 5-7 miles apart, stocked with a varie..