Trail Running calendar near Borrego Springs 2025-2026

The Keepin' It Rural will take place in San Marcos on Sunday 7 December 2025. You can run between 5 and 10 kilometers.

Dixon Lake 10/10 Trail Race takes place in Escondido’s Daley Ranch, starting at El Caballo Park and sending runners onto rugged Daley Ranch trails up to Stanley Peak for a 360-degree panoramic view. The event offers two main distances: 10-mile and 10K (with a 5K option noted in some listings), with..

The Dirty December Trail Run, held in San Diego, California, is a festive holiday trail running event featuring multiple race distances: a full marathon, half marathon, 10K, and a unique 6-hour hill climb challenge. The course includes significant elevation gains—approximately 3,500 feet for the mar..

Del Dios Trail Race, billed as The Race of the Gods, unfolds at Lake Hodges in Escondido, California. The event offers four distances: 5K (3.1 miles), 10K (6.1 miles), Half Marathon (13 miles), and a 50K (31 miles). Courses traverse dirt service roads and single-track trails, with elevation gains ra..

San Diego 50 & Trail Runs, based at the San Pasqual Valley Staging Area in Escondido, California, offers a suite of trail distances for ultrarunners and newcomers: 50 Mile, Trail Marathon, Trail Marathon Relay-2 Person, Trail Heavy Half, Summit Chase 10M, Valley 5M, Stroller Trail 5K, and Elevated Y..

The Ranch 50k, organized by Second Wind Trail Running, takes place in Daley Ranch, Escondido, California, with the start/finish at Dixon Lake Picnic Area. The 50K is two laps of a 15.6-mile loop, totaling about 6,318 feet of ascent. A half-marathon option uses a single 13.1-mile loop with ~2,706 fee..

San Pasqual Valley Trail Race, held in Escondido, California, is a scenic San Diego wine country event organized by the Endurance Race Series. Runners choose among three distances: 10K, Half Marathon (13.1 miles), and 20 Mile (about 20.3 miles). The 10K is relatively flat, while the Half and 20 Mile..

Sycamore Canyon is a trail running event held at the scenic Goodman Ranch Sycamore Canyon Preserve near Poway, California, just east of San Diego. The race offers multiple distance options including a 100K (solo or 4-person relay), 50K (solo or 4-person relay), and a half marathon. The course is a l..

Old West Trail Runs takes place near Julian, California, with start/finish at Stagecoach Trails RV Resort. The event offers 50K, marathon, and half marathon options, with the 50K and marathon totaling about 2,500 feet of elevation gain and loss, and the half marathon around 670 feet. Runners navigat..

Pirate's Cove 6/12/24 Hour Run/Hike is a multi-distance trail event at Lake Cuyamaca, California. The 6-, 12-, and 24-hour options offer a long-duration challenge for runners and hikers. The event is scheduled for Friday, March 20, 2026.Course specifics are posted on the official site (sdpiratescove..

Coast to Crest 10K and 5K, the Flat and the Furious, is an ERS Events trail race held in Del Mar, California, at the San Andreas Staging Lot (2801 Via De La Valle). The 11th annual event offers two dirt-trail courses, out-and-back: a 10K (6.0 miles) and a 5K (3.1 miles). The courses are described as..

Bedrock Valley Trail Runs is a new trail-running festival staged at Diamond Valley Lake Marina near Hemet, California. Hosted by Elevation Culture, it features a weekend of events including a Trail Marathon, Trail Half Marathon, 15K, 10K, 5K, a Stroller 5K, and a Kid’s 1-Mile Fun Run on Saturday, pl..

Oriflamme 50k is an out-and-back ultramarathon set in the Anza-Borrego Desert near Julian, California. The 50K starts at Sunrise Trailhead and follows the Pacific Crest Trail north to Mason Valley Truck Trail, then descends into Oriflamme Canyon, runs along the California Riding & Hiking Trail throu..

ANNUAL NATRO@NOLI INDIAN SCHOOL is a multi-distance trail race on the Soboba Indian Reservation near San Jacinto, California. The event offers Marathon, Half Marathon, 5k, and Kids 3k in Native and Open divisions, with awards for top finishers. The course features hills, sand, rock, single-track, st..

The Ramona Wine Country 5K is a unique running event held at BackCountry Gardens in Ramona, California. This scenic race features a challenging 1.5-mile loop course with natural obstacles including hills, streams, boulders, and mud, offering participants the option to complete one or two loops. Beyo..

Badwater Salton Sea, presented by Mount to Coast, is the BADWATER ultra experience returning to the Anza-Borrego Desert and Palomar Mountain. The 81-mile route runs from Salton City (234 feet below sea level) to Palomar Mountain (about 5,500 feet above sea level), with eight miles through Anza-Borre..

San Diego, California hosts a memorial trail event on the Los Peñasquitos Canyon Trail. This is not a race: there is no support, no course markings, and no timing. Participants run on their own, choosing any portion of the clockwise route with a seven-hour limit.The event starts and finishes at the..

San Diego 100 is a challenging 100-mile ultramarathon in Lake Cuyamaca, California, starting and finishing at the Lake Cuyamaca Recreation Area south parking near Julian. The loop course is about 90% single-track mountain trails, crossing four San Diego east county recreation areas and segments of t..

O'Neill Park Trail Races is a multi-distance trail running event held in O'Neill Regional Park, near Trabuco Canyon, California. The race offers 50k, Marathon, 30k, Half Marathon, and 10k courses, described as spectacularly beautiful and a gem of South Orange County. Participants can pre-pick bibs a..

The Gorgonio View Trail Run takes place at Big Bear Mountain Resort in Big Bear Lake, California, a renowned mountain training ground in Southern California. The event features a scenic 10K trail race through picturesque high-altitude pine forests, with smooth singletrack trails alongside challengin..