Endurance Race Series
Register for Multiple ERS Events at once
Run the Trails with the Endurance Race Series.
The Endurance Race Series is home to 12 different trail race events in Colorado and California.
"The Sunshine Series"- San Diego (Oct- Mar)
Whether you are looking for a stroll along the water, some scenic single track, or a challenging hill course, the ERS prides itself in offering trail runners the BEST race experience and atmosphere in the industry.
Every event within the ERS, offers multiple race distances, 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).
COVID UPDATE: The following San Diego County race have been moved to a virtual race only option:
DIXON LAKE (MARCH 13) registration please click HERE
What we know moving into 2021 with the races:
If you would like to sign up for a 50K TEAM entry at the SMR Trail Festival you must register directly though the SMR registration page at... https://ersevents.redpodium.com/snow-mtn-ranch-trail-festival
PLEASE: Select which wave you would like to be entered into for your respectful race distance If selecting more than 1 event in the same distance the same wave will be applied to multiple races. All our Half Marathon will begin at 7AM, while our 10K and 5Ks have been moved to an 830am and 9am start times respectively to help us maximize our race numbers on event morning.
Please note that Wave Times apply ONLY to Colorado events at this time.