Bear Creek Lake Park

One loop.
Every hour.
Until the 11th hour.

Backyard Ultra · Bear Creek Lake Park, CO Saturday, October 31

See if you can get to the 11th hour: one 4.167-mile loop, every hour, for as long as you can, up to 11 laps before the park closes for the night. It's one last race before winter takes over, run at the eleventh hour of the season. Starts 8:00 AM on Halloween.

Oct 31
Race day
4.167 mi
Per loop
60 min
Per lap, no more, no less
50 spots
$65 entry
Map of the Bear Creek Lake Park course

The same loop, every hour.

The Course

Bear Creek Lake Park

A reservoir-side park in Lakewood, Colorado, with the trail network and access needed to run a repeating loop safely through the night: lake views for the daylight laps, headlamps for the rest.

DateSaturday, October 31
LocationBear Creek Lake Park, Lakewood, CO
Start time8:00 AM
Field cap50 runners
Entry fee$65 (includes $10 park entry fee)
AidOne station, at start/finish
Lap cutoff11 laps max, final lap starts 6:00 PM
Join the race

Ready for the 11th hour?

Register to run, or sign up to help make it happen. Either way, we'll see you at Bear Creek Lake Park.