2026 - All-Out Mardi Crawl
2026 distances
Running
Half Marathon
Half marathon athletes will head southwest out of the Apex lot then east on Ralston Creek Trail for a short dogleg and aid station, then athletes can settle in to a 4 mile westbound run before heading south to the clockwise Blunn Reservoir loop. After running for approximately 5.4 miles, athletes will return to Ralston Creek Trail for the downhill trip back. 12 opportunities to fuel up (+7 toilets).
10K
10K athletes will depart the south end of the Apex parking lot then head west on Ralston Creek Trail. As an out & back course, they will run 3.1 miles before turning around to return the way they came. 4 opportunities to fuel up (+2 toilets).
5K
5K athletes will depart the south end of the Apex parking lot then head west on Ralston Creek Trail. As an out & back course, they will run 1.55 miles before turning around to return the way they came. 2 opportunities to fuel up.
VIRTUAL Half Marathon
Participate virtually! Get all of the SWAG, including a distance medal, shipped to you the week after the event, maintain eligibility for alumni brag tags, and get credit towards the Run Amok Championship!
VIRTUAL 10K
Participate virtually! Get all of the SWAG, including a distance medal, shipped to you the week after the event, maintain eligibility for alumni brag tags, and get credit towards the Run Amok Championship!
VIRTUAL 5K
Participate virtually! Get all of the SWAG, including a distance medal, shipped to you the week after the event, maintain eligibility for alumni brag tags, and get credit towards the Run Amok Championship!
Race date Weather
Conditions on February 22, 2026 — historical Open-Meteo data.
About Arvada
All-Out Mardi Crawl takes place in Arvada, Colorado, United States. The local timezone is America/Denver.
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Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.