Chase the Moon
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Chase the Moon : Event overview
Chase the Moon is an overnight endurance run held Saturday, June 27, 2026, in the Highlands Ranch Backcountry trail system with the event base at Mountain Vista High School in Highlands Ranch, Colorado. The event is offered in multiple formats:
- 12-Hour Solo
- 6-Hour Solo
- 3-Hour Solo
- 50K
- 3-Person Relay
- 5-Person Relay
Relay divisions include a 3-person option that runs the full loop and a 5-person option that alternates between two shorter loops. A 100-Mile Challenge applies to the 3-person relay: if the first-place 3-person team exceeds 100 miles in 12 hours, a $500 cash prize is awarded.
Course, support, and rules
The standard loop is approximately 10.3 miles and is roughly 98% dirt trails with about 870 feet of elevation gain per lap and minimal technical difficulty. The course is well marked with flags, tape, signs, and spray chalk. Two aid stations support the course - Outlaw (around mile 4.3) and the Start/Finish (around mile 10.3) - offering water, Tailwind endurance fuel, soda, sweet and salty snacks, fruit, PB&J, basic first-aid supplies, Kleenex, bug repellant, and Vaseline. Runners are required to carry a headlamp or handheld light source. Crew support is permitted only from the Start/Finish area; pacers are not allowed. Solo runners who reach 50K or 100K receive glow-in-the-dark finisher items. The event continues in most weather conditions; hazardous lightning may suspend activity. Rattlesnakes have been observed on the course and runners are instructed to avoid approaching wildlife. Visit the organization's website for the most recent information.