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Summer 2024

championship series in Colorado

The ERS Crowns a Champion in 2024. Half Marathon, 10K, and 5K... 

About the ERS

Snow Mtn Ranch start line

Whether you are a competitive runner, an avid racer, or a trail beginner... The Endurance Race Series (ERS) offers challenging yet beginner friendly courses, spectacular views, family friendly environments, and fun post-race celebrations.  

In 2012, the ERS was founded with the intent on creating an event production brand in the trail running space.  Since we started this journey the ERS has not only created that trail running brand, but we have built two great communities of support in Colorado and Southern California (San Diego).

 

Today, with a total of 12 events combined in the 2 regions, the ERS hosts more than 7000 beginner, intermediate, and experienced trail runners each year. 

Whether you are looking for a stroll along the water, some scenic single track, or a challenging hill/ mountain course, the ERS prides itself on offering the best trail 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, raffle, and plenty of beer (for those over 21 years, of course)

SUMMER SERIES

LEADERBOARD

COMING SOON
COMING SOON
COMING SOON

Upcoming Races

  • Mountain Ridge Trail Race
    Mountain Ridge Trail Race
    Sat, Jun 01
    Highlands Ranch
    Jun 01, 2024, 6:30 AM – 1:00 PM
    Highlands Ranch, 10590 Mountain Vista Ridge, Highlands Ranch, CO 80126, USA
    Jun 01, 2024, 6:30 AM – 1:00 PM
    Highlands Ranch, 10590 Mountain Vista Ridge, Highlands Ranch, CO 80126, USA
    The Rolling Hils Are Calling
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  • Barr Lake 30K and 15K
    Barr Lake 30K and 15K
    Sun, Jul 14
    Brighton
    Jul 14, 2024, 7:00 AM – 11:00 AM
    Brighton, 13401 Picadilly Rd, Brighton, CO 80603, USA
    Jul 14, 2024, 7:00 AM – 11:00 AM
    Brighton, 13401 Picadilly Rd, Brighton, CO 80603, USA
    The Flat and the Furious
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  • South Bay 24 and South Bay Mini
    South Bay 24 and South Bay Mini
    Sat, Aug 17
    San Diego
    Aug 17, 2024, 8:00 AM – Aug 18, 2024, 8:00 AM
    San Diego, 3020 Coronado Ave, San Diego, CA 92154, USA
    Aug 17, 2024, 8:00 AM – Aug 18, 2024, 8:00 AM
    San Diego, 3020 Coronado Ave, San Diego, CA 92154, USA
    24 Hours in the South Bay
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  • Westminster Trail Race
    Westminster Trail Race
    Sat, Aug 24
    Westminster
    Aug 24, 2024, 7:00 AM – 11:00 AM
    Westminster, 10200 W 100th Ave, Westminster, CO 80021, USA
    Aug 24, 2024, 7:00 AM – 11:00 AM
    Westminster, 10200 W 100th Ave, Westminster, CO 80021, USA
    Trail Race Standley Lake
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  • Snow Mountain Ranch Trail Festival
    Snow Mountain Ranch Trail Festival
    Sat, Sep 21
    Granby
    Sep 21, 2024, 6:30 AM – 3:00 PM
    Granby, 1101 Co Rd 53, Granby, CO 80446, USA
    Sep 21, 2024, 6:30 AM – 3:00 PM
    Granby, 1101 Co Rd 53, Granby, CO 80446, USA
    The ERS' Most Beautiful Course
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  • Louisville Trail Race
    Louisville Trail Race
    Sat, Sep 28
    Louisville
    Sep 28, 2024, 7:00 AM – 11:00 AM
    Louisville, 955 Bella Vista Dr, Louisville, CO 80027, USA
    Sep 28, 2024, 7:00 AM – 11:00 AM
    Louisville, 955 Bella Vista Dr, Louisville, CO 80027, USA
    A Front Range Favorite
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  • Carmel Valley Trail Race
    Carmel Valley Trail Race
    Sat, Oct 12
    San Diego
    Oct 12, 2024, 7:30 AM – 10:10 AM
    San Diego, 13605 Pacific Highlands Ranch Pkwy, San Diego, CA 92130, USA
    Oct 12, 2024, 7:30 AM – 10:10 AM
    San Diego, 13605 Pacific Highlands Ranch Pkwy, San Diego, CA 92130, USA
    Which Way to Puke Hill?!
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  • Black Mountain Turkey Burner
    Black Mountain Turkey Burner
    Sat, Nov 30
    San Diego
    Nov 30, 2024, 7:30 AM – 11:00 AM
    San Diego, 14700 Carmel Valley Rd, San Diego, CA 92129, USA
    Nov 30, 2024, 7:30 AM – 11:00 AM
    San Diego, 14700 Carmel Valley Rd, San Diego, CA 92129, USA
    Time to Burn off the Holiday Feast!
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  • Dixon Lake 10/10
    Dixon Lake 10/10
    Sat, Dec 14
    Escondido
    Dec 14, 2024, 7:30 AM – 11:00 AM
    Escondido, Escondido, CA 92027, USA
    Dec 14, 2024, 7:30 AM – 11:00 AM
    Escondido, Escondido, CA 92027, USA
    Run the Beautiful Trails of Daley Ranch
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  • Del Dios Trail Race
    Del Dios Trail Race
    Sun, Jan 05
    Escondido
    Jan 05, 2025, 6:30 AM – 3:30 PM
    Escondido, 20188 Lake Dr, Escondido, CA 92029, USA
    Jan 05, 2025, 6:30 AM – 3:30 PM
    Escondido, 20188 Lake Dr, Escondido, CA 92029, USA
    The Race of the Gods
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  • San Pasqual Valley Trail Race
    San Pasqual Valley Trail Race
    Sat, Feb 01
    Escondido
    Feb 01, 2025, 6:30 AM – 12:00 PM
    Escondido, Bandy Canyon Rd, Escondido, CA, USA
    Feb 01, 2025, 6:30 AM – 12:00 PM
    Escondido, Bandy Canyon Rd, Escondido, CA, USA
    Race San Diego Wine Country
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  • Coast to Crest 10K and 5K
    Coast to Crest 10K and 5K
    Sat, Mar 08
    Del Mar
    Mar 08, 2025, 8:00 AM – 10:30 AM
    Del Mar, 2801 Via De La Valle, Del Mar, CA 92014, USA
    Mar 08, 2025, 8:00 AM – 10:30 AM
    Del Mar, 2801 Via De La Valle, Del Mar, CA 92014, USA
    The Flat and the Furious
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NOTEWORTHY EVENT TIBITS

What is Cupless Racing?

The ERS will provide the aid stations on course with water and electrolytes. The runner will be responsible for providing their own hydration vest, bottle, or reusable cup to use at those aid stations. Runners are allowed to fill up as much as needed.

CUPLESS RACING

Isabella Janovick ERS ambassador
kids race at snow mtn ranch
kids race at snow mtn ranch

Trail Running is not just for adults...

The ERS is excited to offer our very popular "Kid's Dash". These races are geared towards kids 10 years and younger, and will measure about 1/4 mile in distance.

KIDS DASH

The ERS understands the importance and need for volunteers to make our events happen.

 

If you are looking to assist us at one of our events, support your fellow trail runners, and earn a FREE* race entry to a future ERS events then look no further.

 

If you are looking to volunteer for a specific event(s) then head to that event page and click on the VOLUNTEER NOW button to find your volunteer link for that specific event.

*Entry code valued at $105 and will cover cost of Half Marathon and below distances. Vol. pays difference for longer distances (i.e 50K)

RACE VOLUNTEERS

volunteers at the san pasqual trail race
bubs naturals sponsor to ERS

If you are a local (or national) company looking to be a part of a fun, family-friendly finish line festival at some of the best trail races in Colorado and San Diego, then the ERS has a spot for you. 

Potential Expo Venders click on the link below. Potential sponsors reach out to us HERE

EXPO AND SPONSORSHIP

finish line festival  at Mountain Ridge trail race

Join us for the after party!

 

The ERS offers some of the best post race food and activities you can find in the trail running community.

 

Proudly sponsored by some great local Colorado and San Diego companies , we offer Pancake Breakfast, Premium Sausages, Vegetarian, Coffee, and Beer, to name a few options.

FINISHLINE FESTIVALS

THE NEED TO KNOWS

trail runners at Balck hawk trail race
  • All racecourses are subject to change at any time leading up to the race date due to circumstances beyond our control. This also applies to race dates, race times, and trails used.

  • Although we would like to get racecourses to their exact and respectful distances, sometimes this may not be possible, and courses may measure longer or shorter than indicated. GPS between products will also always vary.

  • Aid Stations will include first aid, water, electrolyte, and nutrition.

  • It is the responsibility of the runner to know the course. We mark the courses to the best of our ability with directional signs, mile markers, flour, and volunteers. We are not responsible for course sabotage and non-race personnel misdirecting runners, nor is the ERS responsible for any runner deciding to follow other runners in the wrong direction. If and when racecourses are changed, we will post updated course maps online and onsite race morning.

For additional information and answers to FAQ's regarding this same subject matter please click, HERE

All races meet ATRA event standards. 

ATRA sanctioning logo

What Runners Are Saying About the ERS

Did my first ERS event today and I loved it. No intimidation, great MC, well marked course, started on time, awards on time...it really is the little things! Small and intimate setting and not overwhelming with people is the way I really like to race. Great job!

Nicki L

I love, love, love this race series! Every race is a beautiful course, well marked, awesome swag and bling, and a fantastic after party! So much fun

Jenny T

​Love their events! The sites are always so well chosen and the staff and volunteers are very friendly and helpful! Will definitely be returning!

Elisa M

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SEASON PASS
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