Trail Running calendar near Arlington Heights 2025-2026

Ring in 2026 with the Happy New Year Run at West Creek Park in Valencia, CA. Choose from 5k, 10k, 15k or half marathon on scenic looped trails, enjoy finisher medals, free photos and a festive start to your year.

Ring in the New Year with a scenic trail run at Whittier Narrows Recreation Area on January 4, 2026. Choose 5k, 10k, 15k or a half marathon and enjoy finisher medals, free photos, aid stations and a festive post race vibe.

Challenge yourself on scenic single track and dirt roads around Lake Hodges at the Race of the Gods, a January trail classic near Escondido. Options from short fun runs to epic ultramarathons make this a must for trail lovers.

Experience scenic San Pasqual Valley trails at the San Diego 50 & Trail Runs, with distances from a 50 mile challenge to family friendly youth miles. Finishers earn a handcrafted wooden medal and tri blend shirt while enjoying aid stations..

Join the 22nd annual Calico Trail Run on Sunday January 25 2026, choose 30K or 50K through the historic Calico Ghost Town and Mojave Desert mountains near Yermo California. USATF sanctioned trails promise epic scenery and a true desert chal..

Take in iconic views of the Hollywood Sign in Griffith Park on January 25, 2026 with distances from a kid friendly 2.2K to an 8 mile trail option. Scenic out and back routes, finisher medals, shirts and chip timing make it great for all age..

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..

Event overview The Ranch 50K and Half Marathon takes place February 14, 2026, at Daley Ranch in Escondido, CA, with the Start/Finish at Dixon Lake Picnic Area. Registration opens September 1, 2025; registration closes February 12, 2026 at 1..

Run scenic vineyard and orange grove trails in San Pasqual Valley with three distance options from 10K to 20 mile. Limited to 450 runners, the half marathon is the final championship qualifier and finishers enjoy free wine tasting.

Experience scenic looped trails at Goodman Ranch Sycamore Canyon Preserve near San Diego on Feb 28, 2026. Choose from a half marathon up to a 100K solo or 4 person relay for a rewarding day of trail running and camaraderie.

Tackle the 48th Catalina Island Marathon, 10K or 5K on March 14, 2026 in Avalon. Trail routes through the Catalina Island Conservancy serve up ocean views and rolling green hills for a scenic off road challenge.

Run scenic singletrack through Las Virgenes Canyon in Calabasas with 22k and 10k options featuring hills, switchbacks and creek crossings. This March event is Race 2 of the SoCalTrail Trail 1/2 Series and includes shirts, finisher medals an..

Run desert trails in Anza Borrego from Stagecoach Trails RV Resort on March 14, 2026 with 50K, marathon, and half marathon options. Aid stations, volunteers, and on site camping make this scenic course an ideal spring trail getaway.

Pirate's Cove at Lake Cuyamaca on March 20, 2026 is a scenic timed endurance run and hike with 24 hour, 12 hour and 6 hour options. Camp at Chamber's Park Campground for race HQ and remember to bring a reusable cup for this cupless event.

Join the VALENCIA Trail Race in Valencia California on March 21, 2026 for scenic, rugged single track and ridge runs with 10K, half marathon and 50K distances. Expect big climbs, friendly aid stations and a festive finish.

Run a fast, friendly 5K or 10K along wide, flat dirt trails in Del Mar with open lagoon views and a downhill finish. Scenic course may include glimpses of nesting osprey and serves as the final Sunshine Series Championship Qualifier.

Run the scenic Point Mugu Trail Run in Malibu with ocean view switchbacks and challenging climbs on the Fireline Trail. Choose a half marathon or 10k, enjoy a finisher medal, free breakfast tacos and a beer garden and a course record bonus.

Billy Goat Mountain Climb on April 4, 2026 in Silverado CA invites runners to tackle scenic, challenging climbs through Cleveland National Forest with a 10K, half marathon, or a 17 mile Silverado Loop with big elevation gain. Finish line sh..

Celebrate Easter with a trail run at Griffith Park in Los Angeles. Choose distances from 5k to a half marathon on scenic dirt paths with a grassy start and finish. Finisher medals, snacks and free photos add festive fun for all paces.

Hit scenic trails and roads at the Nature Made Great Race in Agoura Hills on April 11, 2026, featuring the Chesebro trail half plus 5K, 10K, unique stack challenges and virtual options. Finish with a lively post race party, medals and expo.