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Friday - July 19 , 2024

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The Bear Chase Race Series

Chase the Moon

12 Hour Endurance Run
Solo | 3-Person | 5-Person
50K | 25K | 10 Mile | 5 Mile

Mountain Vista High School
Mountain Vista Ridge, Highlands Ranch, CO

Chase the Moon is a 12-hour team relay and solo ultramarathon, run overnight under the light of the full moon in the Highlands Ranch Backcountry trail system (we promise some of the best views of the metro and front range). Run as a solo ultrarunner, or get your fellow moon-chasing friends for a 3-person or 5-person relay team.

Chase the Moon begins at 7 p.m. on Friday during a beautiful Rocky Mountain sunset, continues through the night beneath the illumination of the full moon, and finishes at 7 a.m. on Saturday as the sun rises in the east to paint the foothills with alpenglow. Don’t miss this unique and incredible running experience.

*Distances may vary slightly each year due to permitting.

Start Times

7:00pm - 12 Hour Solo, 50K & Relay Teams Start
7:30pm - 50K Start
7:38pm - Moonrise
8:00pm - 25K Start
8:15pm - 10 Mile Start
8:24pm - Sunset
8:30pm - 5 Mile Start
8:55pm - End Civil Twilight

Bib Pickup

Mountain Vista High School
 10585 Mountain Vista Ridge, Highlands Ranch, CO
Friday, July 19
5:30 pm – 7:00 pm

Volunteer

We need help to make Chase the Moon possible. Volunteer perks include Aravaipa race credits and race swag!
Volunteer Now

100 Mile Challenge

Are you up for the Chase the Moon 100-Mile Challenge? A special challenge just for our 3-person relay division; if the 1st Place, 3-person team breaks 100 miles total for the 12-hour race, they will receive a $500 cash prize!

Live Tracking

Follow the 2024 Chase the Moon with live split points throughout race weekend.
Aravaipa Live
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Register Now
Registration closes: Mon, Jul 15 @ 11:59PM MT

Race Registration

Until 3/31 Until 5/31 Until 7/15 Race Day
Solo Ultra $145 $155 $165 $175
3-Person Relay $275 ($92 Per Person) $305 ($102 Per Person) $335 ($112 Per Person) $365 ($122 Per Person)
5-Person Relay $405 ($81 Per Person) $455 ($91 Per Person) $505 ($101 Per Person) $555 ($111 Per Person)
50K $145 $155 $165 $175
25K $95 $105 $115 $125
10 Mile $70 $75 $80 $85
5 Mile $50 $55 $60 $65

Withdrawal Policy

Course Information

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Key Stats

Date | Friday, July 19, 2024

Start Time | 7:00 pm

Time Limit | 12 Hours

Distance | 10.3 Miles

Total Elevation Gain | 870 feet

Max Elevation | 6,132 feet

Women's Course Record | 58.5 Miles - Emily Kunkel (2021)

Men's Course Record | 65.3 Miles - Andy Palmer (2017)

Course Map
CalTopo Course  Map

12 Hour Solo Event Details

Additional Race Info

Post Race

Results & Photos


Thank you to our sponsors!