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Trail Running Calendar near Mount Baldy 2026-2027

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Explore the top trail runs near Mount Baldy 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.

September 2026
Sep
19
Sa

Fountain to the Falls

Road Race Trail Run 10 km 7 mi
A community run and walk in Monrovia on September 19, 2026, limited to 350 participants with pre registration and day of registration options.
Sep
26
Sa

Mount Disappointment Mountain Race

Trail Run 25 km 50 km
Trail ultras from the Mt. Wilson summit offering 25K and 50K routes on technical single track with stocked aid stations and awards for top finishers.
October 2026
Oct
3-4
Sa - Su

Angeles Crest 100 Mile Endurance Run

Trail Run UTMB 100M 100 mi
A 100 mile endurance trail race in the San Gabriel backcountry, scheduled October 3, 2026, using a lottery for entry and an out and back course from Loma Alta Park.
Oct
3
Sa

Cirque Series - Mt Baldy

Trail Run 9 mi
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.
Oct
10
Sa

San Bernardino County Sheriff's Mud Run

Obstacle Run 5 km
Annual mud run in San Bernardino with a 5K for individuals and teams and a 1K kids race on October 10, 2026.
Oct
10
Sa

Rock It in Chino Hills

Trail Run 5 km 10 km
Trail 5K and 10K at Chino Hills State Park on October 10, 2026. Registration runs April 6 to August 15 and includes race photos, a shirt and a finisher patch.
Oct
17
Sa

Ruff Run California

Obstacle Run 4 km
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.
Oct
18
Su

Pasadena Trail Half Marathon

Trail Run 5 km 10 km 13 mi
A trail event at Hahamongna Watershed Park offering 5K, 10K and a half marathon with marked courses, chip timing, aid stations and commemorative wooden medals.
November 2026
Nov
7
Sa

Chino Hills Trail Run

Trail Run 30 km 50 km
Ultra trail event at Chino Hills State Park on November 7, 2026 offering 50K and 30K routes through chaparral and oak woodlands with aid stations and parking options.
Nov
15
Su

ABWR Half Marathon - Whittier Narrows

Trail Run 5 km 10 km 15 km Half Marathon
Friendsgiving fundraiser run at Whittier Narrows with 5k, 10k, 15k and half marathon out and back routes to benefit API Forward Movement.
January 2027
Jan
30
Sa

La Vida Sucia Animal Series: Raccoon Run

Trail Run 5 km 10 km
Trail running event at Whittier Narrows Nature Center on January 30, 2027, featuring 10K, 5K and a kids dash with finisher medals.
February 2027
Feb
6
Sa

Dalton Canyon Ultra

Trail Run 10 km 50 km
Trail running event in Glendora CA featuring a 50K solo, a 50K four person relay and a 10K loop with over 9,000 feet of elevation gain and loss.
April 2027
Apr
24
Sa

SoCal Redwood Race

Backyard Ultra
Timed 3, 6, and 12 hour running and walking events through Southern California's only coastal redwood grove at Carbon Canyon Regional Park.
May 2027
May
1
Sa

Tacos N' Beer 5K - Los Angeles

Trail Run 5 km
A 5k through Whittier Narrows Park with tacos, beer for 21+, live mariachi and a post race festival; packet pickup occurs the day before and a 2 hour time limit applies.
August 2027
Aug
14
Sa

Run Through the Pines

Trail Run 5 km 10 km
Experience a historic Southern California tradition with a 5K or 10K run around scenic Lake Gregory and through pine forests at 4,720 feet elevation.
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