Crestline
Trail Running Calendar near Crestline 2026-2027
Explore the top trail runs near Crestline for 2026-2027! We've gathered 15 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
August 2026
## Conquer the Wall is an annual uphill running event at Snow Summit near Big Bear Lake. The one mile course rises about 1000 feet from a 7000 foot start and supports Big Bear High School cross country.
September 2026
The 61st Mt Baldy Run to the Top on September 7, 2026 is a fundraising mountain trail race in the Angeles National Forest covering about 7 miles with 4,000 feet of ascent to the 10,064 foot summit, with proceeds aiding local services.
October 2026
A 100 mile endurance run through the San Gabriel backcountry, held since 1986; the 2026 edition uses an out and back course from Loma Alta Park.
9.1 miles to the Mt San Antonio summit with 3,926 ft vertical gain on steep, exposed mountain trails; course capped at 500 entrants in Angeles National Forest.
A multi-day trail running event in Big Bear Lake offering five distances, varied mountain terrain, and UTMB World Series Americas Major status.
Annual mud run in San Bernardino with a 5K for individuals and teams and a 1K kids race on October 10, 2026.
Ruff Run California on 10/17/2026 in Phelan, CA presents a 20 acre obstacle course for people and their dogs with over 20 obstacles, 4K and 1K options, and an after party with music, games and vendors.
At Wildwood Canyon State Park in Yucaipa, the event offers an 8 hour timed loop and a 6K on a 3.7 mile loop with about 600 ft vertical gain.
November 2026
December 2026
A Last Person Standing race in Yucaipa, CA on Dec 11, 2026 with hourly 4.167-mile loops on rugged foothill terrain; limited camping and a published entry fee.
January 2027
A 24 hour loop race in Perris, CA featuring repeated Molcajete loops, solo and four person team entries, with awards for top individuals and teams.
May 2027
A Spartan obstacle-course weekend at Big Bear Mountain Resort with Sprint, Super, Beast and kids races at about 8,200 feet and the chance to earn a Trifecta.
A scenic trail event at Big Bear Mountain Resort featuring singletrack through high altitude pine forest and a 10K route with spectator options.