Trail Running calendar near Trabuco Canyon 2025-2026

The San Diego 50 Mile & Trail Marathons, held in Escondido, California, offer a variety of trail running events including a 50-mile ultra marathon, trail marathon, relay marathon, heavy half marathon, 10-mile Summit Chase Challenge, 5-mile Valley run, stroller-friendly 5K, and a youth 1-mile race. T..

The Sean O'Brien event in Calabasas, California, offers multiple trail running distances including 100K, 50 miles, 50K, marathon, and 30K. The 100K race serves as a qualifier for the 2026 Western States 100. The course features scenic trail views with notable vantage points around miles 7 and 15, pr..

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 unfolds in San Diego County’s wine country, centered at the San Pasqual Staging Lot in Escondido, CA. Runners choose among three distances: 10K, Half Marathon (13.1 miles), and 20 miles. The 10K is relatively flat, while the Half and 20-Mile routes are out-and-back clim..

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..

The Nine Trails 35 Mile Endurance Run is a trail running event held in Santa Barbara, California. It offers two distance options: a challenging 35-mile course and a shorter 17-mile route. The event takes place on scenic trails, providing runners with a beautiful and rugged outdoor experience along t..

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..

The Catalina Island Marathon, held annually in Avalon, California, is California’s oldest trail marathon and the State Off-Road Marathon Championship. The 48th edition in 2026 offers marathon (26.2 miles), 10K, 5K, and kids' runs, along with a Triple Crown Challenge combining multiple events. The co..

The Pirate's Cove 6/12/24 Hour Run/Hike is a timed endurance event held at Lake Cuyamaca, California. Participants can choose to run or hike for 6, 12, or 24 hours on a scenic course centered around the lake area. The event takes place at Chamber's Park Campground, which serves as race headquarters..

The Valencia Trail Race, held in Valencia, California, offers a challenging and scenic trail running experience with three distance options: 10K, half marathon, and 50K ultra. Set against the backdrop of Southern California's hills and mountains near state park boundaries, the course features single..

The Coast to Crest 10K and 5K is an annual trail race held in Del Mar, California, featuring a very flat and fast course ideal for runners seeking personal records. The out-and-back routes are 100% dirt trail, well-groomed, and offer spectacular wide-open lagoon views with a downhill finish. Partici..

The Billy Goat Mountain Climb is a challenging trail running event held in the Cleveland National Forest near Silverado, California. It offers three race distances: a 17-mile Silverado Loop, a half marathon, and a 10K. The courses feature significant elevation gain, with the Silverado Loop climbing..

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..

The Nature Made Great Race is an annual running event held in Agoura Hills, California, near Los Angeles. Celebrating over 40 years, it features multiple race distances including the Chesebro Half Marathon, Old Agoura 10K, Deena Kastor 5K, and a 1-mile fun run. The half marathon course offers scenic..

The Bedrock Valley Trail Runs, held at Diamond Valley Lake Marina in Hemet, California, offers a diverse trail running and gravel biking experience for all ages and skill levels. Events include a Trail Marathon, Half Marathon, 15k, 10k, various 5k races including a stroller-specific 5k, and a 1-mile..

The Annual NATRO@Noli Indian School Trail Race takes place on the Soboba Indian Reservation in San Jacinto, California. This event offers multiple distances including a marathon, half marathon, 5k, and a kids' 3k run/walk, with Native and Open divisions. The marathon features a challenging two-loop..

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 a team ultramarathon in Southern California. The 81-mile course runs from Salton City (234 feet below sea level) to Palomar Mountain, finishing at about 5,500 feet elevation. Runners compete as two- or three-person teams, remaining together for th..

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..

The San Diego 100 is a challenging 100-mile ultramarathon held in the mountainous east county of San Diego, California, starting and finishing at Lake Cuyamaca Recreation Area. The course is a 90% single-track loop featuring rugged terrain with approximately 15,400 feet of elevation gain and loss. I..