Trail Running calendar near Irvine 2025-2026

We have found 66 Trailruns within 80 miles of Irvine. See below where and when you can find the races.

Tackle rugged trails at the San Diego 50 & Trail Runs, with distances from a 50 mile challenge to youth and stroller friendly routes. Expect scenic San Pasqual Valley terrain, well stocked aid stations, finisher swag and wooden medals.

Run or hike to the iconic Hollywood Sign through scenic Griffith Park with sweeping views of Los Angeles. Finish near the Old Zoo and celebrate at a lively festival with medals, photos and refreshments.

Challenging trail races in Calabasas on Jan 31, 2026 offer distances from 30K to a WS100 qualifying 100K, plus 50 Miler, 50K and marathon. The event is sold out now but a waitlist is available for hopeful runners.

February 2026

Run beneath Boney Mountain on rugged single track with creek crossings and ocean views. Choose a backcountry half or 7k and enjoy a lively post race festival with tacos, massages and finisher swag.

Run the Boney Mountain Trail Run at Rancho Sierra Vista Satwiwa on Feb 7, 2026 for ocean views, creek crossings and steep climbs in Point Mugu. Choose 13.1 or 4.4 mile routes and finish with a medal, shirt and plant based breakfast.

Take on scenic Daley Ranch trails in Escondido with a rugged 50K or a half marathon loop around Dixon Lake. Expect big climbs, well stocked aid stations, and a welcoming trail community on February 14, 2026.

Run vineyards and orange groves at the 9th San Pasqual Valley Trail Race on Feb 21, 2026, with 20 mile, half marathon and 10K options and a 450 runner limit. The half is the final championship qualifier and finishers get a free local wine t..

Run a scenic loop through Goodman Ranch Sycamore Canyon Preserve near San Diego with options from a half marathon to 100K, including solo and 4 person relay entries. Ideal for trail lovers chasing a challenging ultra or a fun team weekend.

March 2026

Discover the Catalina Island Marathon, 10K, or 5K in Avalon, with sweeping ocean views, rolling green hills, and classic trail terrain. Pick your distance and enjoy a scenic off road challenge perfect for trail lovers and coastal scenery se..

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..

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.

April 2026

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..

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.

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 the trails in Moro Canyon at Crystal Cove State Park in Laguna Beach with 6K and 10 mile courses offering ocean views, climbs, and flowing descents. Race photos, a shirt, and a finisher medal are included.

Run the 41st Nature Made Great Race in Agoura Hills for scenic trail and road courses from a 1 mile to a half marathon and unique stack challenges. Race day includes an expo, tech shirt, on course support and finisher medals.

Run scenic trails around Diamond Valley Lake at the Bedrock Valley Trail Runs weekend, with distances for all levels plus a kids mile. Finishers get shirts and medals, gravel rides day two, and the event is cupless so bring your own water.

Test yourself on the scenic Leona Divide trails in Lake Hughes on April 18, 2026 with distances from 30k to 100 miles. The 100 and 100k are Western States qualifiers and the 50 mile offers an AC100 Silver ticket; register by April 1.

Run rugged trails, mud and hills through Ramona Wine Country with competitive and fun 5K options plus a lively Beer Mile. Finishers get wine tasting, a medal and an after party at Ramona Ranch Winery while proceeds support Operation Rebound..