Trail Running calendar near Big Bear Lake 2025-2026

The Mount Baldy Run to the Top is a challenging 7-mile trail race held in Mount Baldy, California. Celebrating its 60th running, the race starts at 6,000 feet elevation and ascends 4,000 feet to the summit of Mt. Baldy, the third tallest mountain in Southern California at 10,064 feet.This event serv..

The Gypsum Canyon Wilderness 5k is a trail running event held at Gypsum Canyon Wilderness in Anaheim, California. The 3.3-mile course features a mix of fire roads and single-track trails with an elevation gain of 350 feet, offering a moderately challenging run through natural terrain. Participants w..

Totally 80's Fast Times in Huntington Beach, organized by CaliFlow Runs, offers a throwback festival-style race weekend at Bolsa Chica State Beach (Lot 25) in Huntington Beach, CA. The event features three distances—5K, 10K, and Half Marathon—plus a Kids Dash. Runners enjoy a flat, scenic, car-free..

Double Peak Challenge is an outdoor trail race in San Marcos, California, offering a 10K competitive option, a 5K Fun Run, and a Kids Trail Trot. The course starts at the San Elijo Recreation Center and climbs to Double Peak Summit, delivering about 1,176 feet of elevation gain to reach 1,558 feet a..

That's No Moon Trail Races, held in Silverado, California, runs through the Cleveland National Forest and the Santa Ana Mountains. Distances include 50 Mile, 50K, and 30K on rough remote terrain—single-track trails and forest roads with significant elevation and exposed ridges. Expect demanding clim..

J Treequinox is a 12-hour ultramarathon held near downtown Joshua Tree, California, on a private 20+ acre desert property. The race features a 1-mile loop course, allowing runners to pace themselves one lap at a time while enjoying the serene high desert environment. Participants pass through a well..

Chingona Fest Campout is a weekend trail-running and camping event in Pearblossom, California, held at a Group Campground in the Angeles National Forest. Titled “Chingonas on the Run: Camp & Loop,” the fundraiser invites participants to complete as many 4.16-mile loops as possible in six hours, with..

Angeles National Forest Trail Race takes place in Mt. Wilson, California, with start and finish at the Mt. Wilson Observatory.The event offers two ultramarathons: 25K (about 3,500 feet of elevation gain) and 50K (about 7,000 feet), routed through the San Gabriel Mountains. The course is described as..

Ascot Hills Challenge 5K is a trail race at Ascot Hills Park in East Los Angeles. The event features a 3.1-mile trail course described as the best in East LA, suitable for runners, walkers, and hikers. Participants enjoy views of the city, including Dodger Stadium and the Hollywood sign, from within..

Mount Wilson Trail 5K Recovery Run is a road 5K and a Kids Fun Run held in Sierra Madre, California, at Kersting Court. The 2025 event moves to Saturday, October 4, featuring vendor booths at Kersting Court, a photo booth, and a beer garden to celebrate Octoberfest. The race aims to unite the commun..

The HOKA Kodiak Ultra Marathons by UTMB take place in Big Bear Lake, California, a rustic mountain town near Los Angeles. This two-day festival features five race distances ranging from 10K to 100 miles, offering runners a challenging high-altitude experience with elevation gains up to 4100 meters...

The Rock It in Chino Hills 5K & 10K is a trail running and hiking event held at Chino Hills State Park in Brea, California. Participants can choose between a 5K or 10K course that showcases the park's stunning and expansive trails, offering scenic views and a tranquil outdoor experience. The race in..

Live Oak Odyssey is a fixed-time trail running event held at O'Neill Regional Park in Trabuco Canyon, California. Participants choose between 3-hour and 6-hour races on a scenic 2.75-mile loop featuring approximately 500 feet of vertical gain per lap. The course offers a mix of uphills, downhills, s..

Set on the Cahuilla Indian Reservation in Anza, California, Cahuilla Rez Ultra is a Native‑organized fundraiser for the tribe’s Youth and Family Programming. Runners can choose from a 100‑mile option, 24, 12, and 6‑hour races, a half marathon, and a Tribal Member 5k. The course is a scenic 2‑mile lo..

The Pasadena Trail Half Marathon, hosted by Pasadena Running Company, takes place at Hahamongna Watershed Park in Pasadena, California. This event offers three distance options: 5K, 10K, and a challenging half marathon. The half marathon course spans 13.1 miles with an elevation gain of 1,855 feet,..

Casper's Trail Races on Oct 25, 2025, take place in San Juan Capistrano, California, offering trail distances: 10K, 13.2 miles, 30K, marathon, and 50K. The event, hosted by KHraces, aims for a well-supported, well-marked experience with swag, highlighting Orange County’s fall trail atmosphere. While..

The Machete Muertos 200 is an ultramarathon event held at Lake Perris, California, featuring multiple race distances including 10, 20, 50, 100, and 200 miles, plus a 20-mile ruck division. The course consists of challenging loops with significant elevation gains—2,300 feet per lap for shorter distan..

Wildwood Canyon Trail Run takes place in Wildwood Canyon State Park, Yucaipa, California. The event features an 8-hour loop course: a 3.6-mile loop with roughly 600 feet of vertical gain per lap, offering rugged canyons, meadows, and oak-studded terrain. Runners may complete as many loops as time al..

Griffith Park Trail Marathon, organized by KH Races, is held in Los Angeles’ Griffith Park, starting at the Merry-Go-Round Lot 1. The event offers multiple distances: 50K, Marathon, 30K, Half-Marathon, and 10K. The course is an out-and-back route weaving through the park’s trails, mixing single-trac..

The Chino Hills Trail Run Series, held at Chino Hills State Park in Brea, California, offers challenging trail races in scenic natural surroundings. The fall event features 30K and 50K distances, with well-marked courses that traverse hilly terrain and showcase native plants and wildlife. Aid statio..