RunRace USA › Colorado › Westminster › All-Out Fall Fest
All-Out Fall Fest
Saturday, September 19, 2026 · Westminster, CO
The race in 60 seconds
It is one of 155 races on the Colorado calendar that September. At $20, entry sits below the $30 median for a Colorado half marathon.
What race day usually feels like
Based on the last three years, race week in September typically sees lows near 50°F and highs around 78°F: mild at the start, warm by the finish. Weather normals computed from Westminster-area conditions for race week, not the nearest big city.
How the field ran it in 2025
Real chip times from the 2025 official results, not estimates. Use the median as your reality check: half the field finished slower than it.
| 2025 Half Marathon · 95 finishers | Time | Pace |
|---|---|---|
| Winner | 1:21:49 | 6:15 /mi |
| Top 25% | 1:59:49 | 9:09 /mi |
| Median finisher | 2:13:02 | 10:09 /mi |
| 75th percentile | 2:39:00 | 12:08 /mi |
| Final finisher | 3:36:34 | 16:32 /mi |
| 2025 10K · 91 finishers | Time | Pace |
|---|---|---|
| Winner | 35:50 | 5:47 /mi |
| Top 25% | 54:25 | 8:47 /mi |
| Median finisher | 1:02:41 | 10:07 /mi |
| 75th percentile | 1:12:08 | 11:38 /mi |
| Final finisher | 1:39:32 | 16:03 /mi |
| 2025 5K · 137 finishers | Time | Pace |
|---|---|---|
| Winner | 20:51 | 6:44 /mi |
| Top 25% | 27:46 | 8:57 /mi |
| Median finisher | 35:43 | 11:31 /mi |
| 75th percentile | 41:09 | 13:16 /mi |
| Final finisher | 1:05:23 | 21:05 /mi |
Official 2025 results via RunSignUp, 323 finishers across 3 events.
Common questions
When is All-Out Fall Fest?
All-Out Fall Fest is scheduled for Saturday, September 19, 2026.
Where is All-Out Fall Fest held?
All-Out Fall Fest is held in Westminster, Colorado. It is about 12 miles from Denver.
What distances does All-Out Fall Fest offer?
The listed distances are Half Marathon, 10K, 5K.
How much does All-Out Fall Fest cost?
Entry is listed from $20. Check the official race page for the current price, which usually rises closer to race day.
How do I register for All-Out Fall Fest?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
More races nearby
- Sep 26, 2026Runway 5K - Run for the AngelsBroomfield · 5K
- Oct 11, 2026Westy Half & 5kWestminster · Half Marathon, 5K
- Dec 5, 2026All-Out Fa La LaWestminster · Half Marathon, 10K, 5K
- Mar 13, 2027Erin Go Bragh 7.77kWestminster · 7.77K
See every race on the Colorado calendar, all Westminster races, Colorado Half Marathons, Colorado 5Ks, or use the Race Finder for maps and filters.
Register for All-Out Fall Fest →on RunSignUp · entry from $20
Listing data refreshed nightly from the registration platform. Photos via Wikimedia Commons (CC BY 3.0). Last template review July 2026. Spot an error? Tell us and we'll fix it fast.