All-Out Runapalooza 1M, 5K, 10K and Half Marathon
⚠️ 2027 edition: provisional information
The date is estimated from the 2026 edition (August 8, 2026), on the same day of the week. Courses, start times, fees and description are carried over from the previous edition: check them on the official website. This page will be updated as soon as the organizer publishes them.
Available distances
About
The All-Out Runapalooza 1M, 5K, 10K and Half Marathon takes place in Arvada on August 7, 2027, with a half marathon (13.1 miles / 21.1 km), a 10K (6.2 miles) and a 5K (3.1 miles). It is an outdoor day of running open to participants of every level.
The courses follow the scenic Ralston Creek Trail and showcase the natural beauty of the area. The half marathon starts at 7 a.m., the 10K at 7:35 a.m. and the 5K at 7:45 a.m. The event puts community first and is a chance to meet fellow runners while taking in Arvada's scenery.
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Races nearby
Other upcoming races around Arvada.
Apex Foundation Trick or Trot 5K & Kids' Halloween Hunt
Oct 24, 2026 · Arvada, CO · 0 mi away
3.1 mi · 1 mi
10k Turkey Trek & 2k Turkey Toddle
Nov 21, 2026 · Arvada, CO · 0 mi away
13.1 mi · 6.2 mi · 3.1 mi · 1.2 mi
All-Out Polar Prowl
Jan 9, 2027 · Arvada, CO · 0 mi away
13.1 mi · 6.2 mi · 3.1 mi
Resolute Runner 5k
Jan 1, 2027 · Arvada, CO · 1 mi away
3.1 mi
Heart Throb 5k - Arvada, CO
Feb 13, 2027 · Arvada, CO · 2 mi away
3.1 mi
All-Out Fa La La
Dec 5, 2026 · Westminster, CO · 4 mi away
13.1 mi · 6.2 mi · 3.1 mi