Endurance Race Series

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Endurance Race Series Avid trail racer, or trail beginner the ERS offers challenging beginner friendly courses, spectacular views, and family friendly environments.

Whether you are looking for scenic single track, or a challenging mountain course we have the race for you. Welcome to the Endurance Race Series, home to 12 total trail races in Colorado and California. Whether you are a competitive trail racer, an avid runner, or a trail beginner, our races have what you are looking for... 50K, Half Marathons, 10K, and NOW 24 Hour races! If you are looking for a stroll along the water, some scenic single track, or a challenging hill course, the ERS prides itself on offering trail runners the BEST race experience and atmosphere in the industry. Every event within the ERS, offers multiple race distance options, great course support, kid's races, and finish line festivals that the entire family can enjoy with music, food, games, raffles, and plenty of beer (for those over 21 years, of course). OUR MISSION:
It is the mission of the Endurance Race Series to provide competitive, quality events to the runners in the trail running community, while providing an entertaining, relaxing, family friendly atmosphere to those spectators and sponsors in attendance.​

One race down, and the competition is officially underway! With Carmel Valley kicking off the 2026–2027 Sunshine Series,...
10/22/2026

One race down, and the competition is officially underway! With Carmel Valley kicking off the 2026–2027 Sunshine Series, we've got our first look at this season's ERS Championship standings.

Our Season Pass runners have completed their first qualifying race, and the leaderboard is starting to take shape across the 5k, 10k, and Half Marathon Championship divisions. It's still early, with three more qualifying races to go, so there's plenty of time for those standings to change.

Congratulations to everyone who kicked off the season at Carmel Valley. We can't wait to see how things shake out as we head into Black Mountain next month.

🏆 Check out who's leading after Race #1!

Ever wondered what it's like to be on the other side of race day? We're putting together our volunteer crew for the Blac...
10/20/2026

Ever wondered what it's like to be on the other side of race day? We're putting together our volunteer crew for the Black Mountain Turkey Burner on November 28th, and we'd love to have you join us!

Help keep runners fueled at an aid station, be a course marshal, or hand out medals at the finish line. It's a great way to meet other runners, support the local trail community, and experience race day without having to climb Black Mountain yourself. 😂

BONUS: Volunteers can earn an ERS race entry for helping out. Give back to the trail community now and enjoy some race miles of your own later!

Our volunteers are a huge part of the ERS community, and we appreciate everyone who shows up to help make race day a great experience for our runners!

Congrats to our Kings and Queens of the Hill!At this year's Carmel Valley Trail Race, we crowned a King and Queen of the...
10/19/2026

Congrats to our Kings and Queens of the Hill!

At this year's Carmel Valley Trail Race, we crowned a King and Queen of the Hill for both the 10k and 10 Mile distances. These awards go to the fastest male and female runners to reach the top of the infamous Puke Hill, and these four wasted no time getting up there.

👑 10k King of the Hill: GERARO ALVEREZ
👑 10k Queen of the Hill: KAITLIN HALL
👑 10 Mile King of the Hill: ROBERT ONDRIS
👑 10 Mile Queen of the Hill: BRIDIE ROBILLARD

Congratulations to our four hill champions! That climb is tough enough at a hiking pace, so we have some serious respect for anyone racing to the top.

A big thank you to Runner Bar for keeping our ERS runners fueled! has been a great supporter of the Endurance Race Seri...
10/16/2026

A big thank you to Runner Bar for keeping our ERS runners fueled! has been a great supporter of the Endurance Race Series, providing bars for our Season Pass holders and handing out some extra goodies to runners at the finish line of last weekend's Carmel Valley Trail Race.

We love having partners who support the running community and understand how important good fuel is, especially after tackling a hill like Puke Hill. 😂 Thanks again to the Runner Bar crew for being part of the ERS family!

THE MANY FACES OF PUKE HILL! 😂⛰️If you've ever climbed Puke Hill at the Carmel Valley Trail Race, you know exactly how t...
10/15/2026

THE MANY FACES OF PUKE HILL! 😂⛰️

If you've ever climbed Puke Hill at the Carmel Valley Trail Race, you know exactly how these runners are feeling. We caught some pretty hilarious expressions at the top this year. A few runners were all smiles, some were just happy to be done climbing, and others looked like they needed a minute before taking another step. We think these photos deserve their own highlight!

Huge props to everyone who tackled this infamous climb. We had way too much fun looking through these photos, and we figured you deserved to enjoy them too.

Which Puke Hill face best describes your experience? Swipe through and let us know! 👇

The Del Dios 50k is coming up January 24th, and if you've been thinking about tackling your first ultra or adding anothe...
10/14/2026

The Del Dios 50k is coming up January 24th, and if you've been thinking about tackling your first ultra or adding another 50k to your race calendar, now's the time to start putting in those training miles!

Known as the Race of the Gods, Del Dios takes runners through the beautiful trails surrounding Lake Hodges, with plenty of dirt, singletrack, and scenic views to keep you company for all 31 miles. You've got a little over three months to get ready, so grab your running buddies, start building those long runs, and give yourself something BIG to look forward to in the new year.

New year, new goals, and a whole lot of trail miles. Who's starting 2027 with an ultra?

NEW SPONSOR ALERT! 🙌🗺️We’re excited to welcome Footpath () as the official Course Mapping Sponsor of the Endurance Race ...
10/09/2026

NEW SPONSOR ALERT! 🙌🗺️

We’re excited to welcome Footpath () as the official Course Mapping Sponsor of the Endurance Race Series!

All ERS race courses will now be created with Footpath and available on our website. Runners can download course maps for FREE to explore the route and prepare for race day.

Footpath is a route planning and navigation app that lets you draw routes directly on a map, explore trails, check distances and elevation profiles, and navigate your adventures with GPS. It even offers offline maps and Apple Watch navigation, making it a great tool for trail runners, hikers, and anyone who loves exploring new places.

Check out footpathapp.com and watch for new course maps on our race pages!

Address

4061 Oceanside Boulevard Unit L
Oceanside, CA
92056

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Telephone

+17208359141

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