2018 ERock Sunrise-Sunset

Castle Rock, CO

2018 ERock Sunrise-Sunset


The 2018 Subaru ERock Sunrise Sunset is a 12 hour mountain bike relay race that is designed to offer recreational and competitive cyclists the opportunity to experience the thrill of competing in a challenging endurance race on a moderately technical off-road course. Ride as a solo or put together your team of cycling amigos for a memorable day of racing, camaraderie, and laughs.

The race will start at 7:00 a.m. on Saturday, June 2 and will end at 7:00 p.m.

The course will once again use the trails at Philip S. Miller Park. The course is a 6.5 mile loop of flowy, playful trails with consistent terrain changes and short climbs and decents. It is approximately 90% singletrack and 10% dirt road. It’s definitely one of those courses that makes you giggle.

Categories include:

  • Solo (M/F)
  • 2 person (M/F/Coed)
  • 3 person (M/F/Coed)
  • 4-5 person (Open, & Geezer)
  • 4/5 person Jr (Coed Only)

Geezer teams must have a combined age of 200 yrs for 4 person teams and 250 for 5 person teams. Youngest Geezer team member must be at least 45 yrs old.

OPEN category for the 4-5 person teams. ALL teams, regardless of all male, female or coed, will be racing against each other for the top three spots. The 4-5 WILL NOT be split into separate category's based on gender, just ONE OPEN category. The EXCEPTION is the OPEN GEEZER category and Jr COED ONLY.

Registration is limited to the first 500 TOTAL riders. Jr teams must be 15-18 year old high school students only.