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All-Out Runapalooza
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2026 - All-Out Runapalooza

Arvada, Colorado, United States View on map
Aug 08, 2026 (America/Denver local time)
Running

2026 distances

Running

Half Marathon

Half marathon athletes will head out of the Colorado Tap House then east on Ralston Creek Trail for a short dogleg and aid station, then head westbound before running the clockwise Blunn Reservoir loop. 9 opportunities to fuel up (+5 toilets).

Aug 08, 2026 Half-Marathon 7:00 AM
$85.00
Closed

10K

10K athletes will head out of the Colorado Tap House then 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).

Aug 08, 2026 10K 7:35 AM
$65.00
Closed

5K

10K athletes will head out of the Colorado Tap House then 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 (+2 toilets).

Aug 08, 2026 5K 7:45 AM
$55.00
Closed

VIRTUAL Half Marathon

Participate virtually! Get all of the SWAG, including a finishers medal, shipped to you the week after the event, maintain eligibility for series finisher award and alumni brag tags, and get distance credit towards the Run Amok Championship!

Aug 08, 2026 Half-Marathon 7:00 AM
$55.00
Closed

VIRTUAL 10K

Participate virtually! Get all of the SWAG, including a finishers medal, shipped to you the week after the event, maintain eligibility for series finisher award and alumni brag tags, and get distance credit towards the Run Amok Championship!

Aug 08, 2026 10K 7:00 AM
$45.00
Closed

VIRTUAL 5K

Participate virtually! Get all of the SWAG, including a finishers medal, shipped to you the week after the event, maintain eligibility for series finisher award and alumni brag tags, and get distance credit towards the Run Amok Championship!

Aug 08, 2026 5K 7:00 AM
$40.00
Closed

Race date Weather

Conditions on August 8, 2026 — historical Open-Meteo data.

Temp (°C)
Minimum temperature (race-day average) 17.2° / Maximum temperature (race-day average) 37.5°
Feels Like (°C)
Minimum feels like — heat index / wind chill (race-day average) 17.2° / Maximum feels like — heat index / wind chill (race-day average) 37.5°
Wind (km/h)
Average wind speed (race-day average)
15.8
Precip (mm)
Average precipitation (race-day average)
0.0mm
Humidity
Average relative humidity (race-day average)
23.0%

Course

Route map and elevation profile

No course map published yet.

The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.

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Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.

  • Entries, prices, waves and inclusions — the event's official registration page
  • Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
  • Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
  • Comparisons and counts — Race Discovery calendar, 20 Arvada events

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