Bridge Burner Ultra
Oct 24Canon City, CO35 mi, 50K +2
84 mi from 11th Hour Bear Creek Backyard Ultra, similar trail technicality to 11th Hour Bear Creek Backyard Ultra, registration open
Backyard Ultra
11th Hour Bear Creek Backyard Ultra
Lakewood, Colorado65 spots
- Entry
- $60
- Aid stations
- 1
- Days to go
- 25
At a glance
- Date
- Oct 31, 2026
- Location
- Lakewood, Colorado
- Distances
- Backyard Ultra
- Aid stations
- 1
- Registration
- Registration closes Oct 28, 2026, via ultrasignup.com
- Official site
- bearcreekbackyardultra.com
- Listed from
- UltraSignup
- Last checked
- Oct 5, 2026
Plan this race for free
1 aid stations are already loaded. Add cutoffs, pacing and the timeline your crew follows. Crew invites and race-day updates come with a Race Pass.
Build my planAbout this race
A backyard ultra at Bear Creek Lake Park consisting of one 4.167-mile dirt-and-gravel park trail loop every hour. The event is capped at 11 laps, with the final lap beginning at 6:00 PM because of park closing hours.
Key dates
Registration closes
Oct 28, 2026
Race day
Oct 31, 2026
Pricing
Current price
$60
Entry fee
Email me updates about 11th Hour Bear Creek Backyard Ultra
Registration openings and major changes, like a new date or a cancellation.
Aid stations
1| Station | Distance | Crew | Drop bags | Cutoff | Supplies |
|---|---|---|---|---|---|
Start/Finish at Pelican Point One aid station at the start/finish, available every lap. The final lap starts at 6:00 PM because of park closing hours. | 0.00 miles | 18:00 | -- |
Entry transfers
Can't race, or need an entry? Post it here so nobody has to ask if it's still available.
Similar races
Indian Creek Trail Runs
Oct 17Sedalia, CO50 mi, 55K +2
17 mi from 11th Hour Bear Creek Backyard Ultra, similar trail technicality to 11th Hour Bear Creek Backyard Ultra, registration open
Louisville Trail Race
Nov 14Louisville, COHalf Marathon, 10K +1
22 mi from 11th Hour Bear Creek Backyard Ultra, 2 weeks after 11th Hour Bear Creek Backyard Ultra, registration open
HRCA Backcountry Wilderness Half Marathon
Oct 31Lone Tree, COHalf Marathon
15 mi from 11th Hour Bear Creek Backyard Ultra, the same weekend as 11th Hour Bear Creek Backyard Ultra, registration open
Straight-line distance
More Races in Colorado
All races in ColoradoRocky's Backyard Ultra
Oct 10Estes Park, COBackyard Ultra
Suffer Better 10th Annual Fall Trail Runs
Oct 10Pine, CO50K, 25K +1
Blue Sky Trail Marathon & Half Marathon
Oct 17Fort Collins, COMarathon, Half Marathon
Bobcat Trail Races
Oct 17Colorado Springs, CO50K, 25K +2
Chili Chase
Oct 17Durango, CO6.75 mi
Indian Creek Trail Runs
Oct 17Sedalia, CO50 mi, 55K +2
Bridge Burner Ultra
Oct 24Canon City, CO35 mi, 50K +2
The Barnyard Backyard Ultra
Oct 24Erie, COBackyard Ultra
Beware the Bear Trail Races
Oct 25Lakewood, CO15K, 5K
HRCA Backcountry Wilderness Half Marathon
Oct 31Lone Tree, COHalf Marathon
Colorado 24 Hour Run
Nov 7Fort Collins, CO24 hr, 12 hr +1
Kessel Run Ultra
Nov 7Fruita, CO50 mi, 40 mi +3
Races Near Denver
All races near DenverTurkey Trails- Denver
Nov 7Littleton, COHalf Marathon, 10K +2
Mountain Peacock 50k
Nov 15Golden, CO50K
Frozen Devil's Head
Jan 9, 2027Sedalia, CO21.6 mi
Louisville Trail Race
Nov 14Louisville, COHalf Marathon, 10K +1
Sawmill Trail Runs
Dec 5Pine, CO50K, 16 mi +1
Marathon At The MAC
Nov 7Castle Rock, COMarathon, Half Marathon +1
Sandstone Sixer
Nov 7Larkspur, CO6 hr
Sourdough Snowshoe Race
Feb 6, 2027Nederland, CO30K, 18K
Race planning
Plan 11th Hour Bear Creek Backyard Ultra with Crewable
Build your aid station plan, organize your crew, and dial in your nutrition strategy. Everything you need to finish strong.
Build my planAre you the race director for 11th Hour Bear Creek Backyard Ultra?
Claim this race to manage registration, volunteers, and race day.