Ultramarathons in California

The San Francisco Marathon is proud to present its 43rd running on July 26th, 2019. 26,000 runners and over 80,000 spectators will fill the city on race...

Mt. Tamalpais is the dominating feature in Marin County. Any true trail runner who sees it wants to run up it. Heres your chance. Our Mt. Tam Trail Run...

La Cuesta Ranch Trail Run presented by Running Warehouse of San Luis Obispo. The race will take place on Saturday, January 5th at the gorgeous La Cuesta...

Welcome to the Second Annual Back On the Ranch Trail Run and Campout!

Complete as many laps as possible within the allotted 3, 6, 12, 24 and 48 hour...

The Chino Hills Trail Run Series is a perfect way to take the first step into the exciting world of trail running. Join us and explore one of Orange...

The Miwok 100K is one of the most beautiful and iconic ultra marathons in the United States. The course is hilly (11,800 feet of gain), with spectacular...

Stunning course in the Mojave Desert's color country! Run the backcountry trails of Valley of Fire State Park and get up close and personal with...

CHALLENGE YOURSELF. GO THE...

The course starts at the Marina and travels around the popular Lake Chabot reservoir and surrounding hills. Great course for first-time trail...

So close to San Francisco and the Golden Gate Bridge yet a world apart, the hills, valleys and beaches of the Golden Gate National Recreation Area are the...

The San Gabriel back country retains much of the natural beauty, if not the primitive wilderness of yesteryear... Thanks largely to the foresight and...

From the central valley to the sea, the Feat to the Beach Relay will provide you with 200+ miles of great memories. Your finish line will be right on the...

The Castle Peak 100k is arguably one of the most difficult trail races in the country. Masked by its spectacular beauty, this is a true mountain race unlike...

The Avalon Benefit 50 Mile/50K Run is the oldest Ultra Trail Run in California with the 50 Mile run entering its 39th year. The 50K joined the party three...

Enjoy views of rugged cliffs, sandy beaches and vast expanse of the ocean at the "Mountain of Gold". The 8K course has minimal climbing and runs...

Come join us in the northern Mojave Desert, as we host the High Desert Ultra in its 34th year! Enjoy great views of the southern Sierras and the Indian...

Join us as we run 50 miles via the single-track Pacific Crest Trail in the Cleveland National Forest. The run starts at an elevation of 3,000 feet and...

The Tahoe Rim Trail 100 Mile Endurance Run will be run on single-track trails and dirt roads within Spooner State Park and on the Tahoe Rim Trail located...

If you love the mountains, the challenge of a good, long climb and quad-pounding descents, then The Peak is for you. Running mostly along single track...

Bet Big, Run Long. Produced by Beyond Limits Running, the 7th Annual Jackpot Ultra Running Festival takes place on Presidents' Weekend (February 14-16)...

This remarkable event challenges up to 40 teams of two or three ultrarunners running together as duos or trios for the duration, NOT in a relay to tackle...

Located in the visually stunning Marin Headlands, The North Face Endurance Challenge Championship course engages runners with both scenic views and drastic...

Come watch the sunrise over the desert and then run down into it. It's a 50K with a little bit of everything... single track along the Pacific Crest...

Commencing at an elevation of roughly 4500 feet, runners will experience high desert vegetation to include Joshua Trees, Pinion-Juniper, Mountain Rose,...

Stairs, hills, and more hills. About 9,000 feet of vertical packed into 28 miles. It begins at 7:30AM at Old Mill Park (Throckmorton Avenue, Cascade Way,...

Its time to drink in the endless views of wine country at Reebok Ragnar Road Napa Valley.

In previous years, registration has been lottery-style. But...

Discover the beauty of central California while running a 6, 12, 24-hour or 100-mile race, run through scenic farm orchards, under the canopy of oak trees,...

Taking place in the Humbolt-Toiyabe National Forest, this will be an epic adventure you don't want to miss! Bristlecone Events and Triple Dare Running...