Bluffs Run 8K
About this race
Rolling hills and beautiful views are all a part of this challenging 8K trail run through the Bluffs Regional Park.
For this race, we ask people only register if they are able to keep at least a 20 minute per mile pace as the course, as we will close the course after 1 hour 40 minutes.
No dogs or strollers please, as it is not feasible to bring them throughout the course.
Race Start Time: 7:30 AM
Pick your distance
Trail running
8K
For this race, we ask people only register if they are able to keep at least a 20 minute per mile pace as the course, as we will close the course after 1 hour 40 minutes.
Typical race-day weather
Based on 9 years of Open-Meteo archive data for this event's race dates in Lone Tree, plus the 3 days either side.
The sun rises at 6:26 AM and sets at 7:33 PM local time (MDT) in Lone Tree on August 30, 2026 — 13h 07m of daylight.
Course
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.
Reviews
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2026 results — Bluffs Run 8K
8K · 250 finishers
| Place | Name | Time | Pace |
|---|---|---|---|
| 1 | Mark Edson | 33:44 | 6:47 /mi |
| 2 | Erik Odderson | 35:40 | 7:11 /mi |
| 3 | Dawson Simek | 36:10 | 7:17 /mi |
| 4 | Paul Davis | 36:26 | 7:20 /mi |
| 5 | Micah Rose | 37:07 | 7:28 /mi |
Every finisher is on the results page, filterable by distance, gender and age group.
All results by year
Other races near Lone Tree
Different organizers, within 40 miles, in the next three months
HRCA Backcountry Wilderness Half Marathon
PB&J Fuel Run 5K/10K/13.1 DENVER/AURORA
Halloween Trick or Trot Run 5K/10K/13.1 DENVER/AURORA
Veterans Day Freedom Run 5K/10K/13.1 DENVER/AURORA
🏃 Plan Your Next Race in Lone Tree
Find upcoming events by distance:
- Lone Tree Running Calendar 2026 4 races
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, 5 Lone Tree events
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