Skip to content
kliva
UltraUnited StatesColorado

11th Hour Bear Creek Backyard Ultra 2027

30.10.2027Lakewood (United States)Dates to be confirmed
Build your race plan →

Pacing, fueling and crew sheet for the course you pick

Official siteWrong info?

Start line in

 

9 courses · 10–74 km6.2–46 mi

At a glance

11th Hour Bear Creek Backyard Ultra 2027 is expected on Saturday 30 October 2027 in Lakewood (Colorado, United States), date to be confirmed by the organiser. 9 courses from 10 to 74 km.

The organiser has not published the elevation gain or the route yet.

On Kliva, plan your pacing and nutrition for free, then send the plan to your watch.

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.
From the organiser

9 courses

  1. 10km6.2mi

    10K
    No index

  2. 21.1km13.1mi

    13.1M
    No index

  3. 25km15.5mi

    25K
    No index

  4. 42.2km26.2mi

    26.2M
    No index

  5. 50km31.1mi

    50K
    No index

  6. 73.3km45.6mi

    Backyard Ultra
    No index

  7. 74km46mi

    Up t0 46 miles
    No index

  8. –

    12 hour
    No index

  9. –

    6 hour
    No index

GPX trace not yet published.

Race plan

Plan your race from start to finish.

Pacing, aid stations and fueling timed to your effort on 11th Hour Bear Creek Backyard Ultra, in one roadbook.

Build your race plan →

Start

Lakewood (United States)

Skip the map

Where to stay

Find a place to stay near Lakewood for the race.

We may earn a commission if you book through this map, at no extra cost to you.

Spotted wrong info on this page? Tell us and we'll review it. Report it

← Back to calendar
Editions