=PR= Races: Fall Classic 10K
About this race
Potomac River Running Fall Classic 10K is set for Sunday, October 19th. Join us for our 7th year running through the beautiful Ashburn neighborhoods!
Race starts at 8:00 am on Exchange St. in front of the Plaza at One Loudoun.
Pick your distance
Running
10K
Virtual 10K
Typical race-day weather
Based on 3 years of Open-Meteo archive data for this event's race dates in Ashburn, plus the 3 days either side.
The sun rises at 7:22 AM and sets at 6:27 PM local time (EDT) in Ashburn on October 18, 2026 — 11h 04m 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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Results — =PR= Races: Fall Classic 10K
Other races near Ashburn
Different organizers, within 40 miles, in the next three months
Ringing in Hope: Jingle Bell Rock and Run 10K/5K/1M
Jingle Bell Rock & Run
Stride Into Fall - One Loudoun
Ghost 5k & Scarecrow Sprint Fun Run
🏃 Plan Your Next Race in Ashburn
Find upcoming events by distance:
- Ashburn 5K Races 13 races
- 10K Run Events in Ashburn 8 races
- Ashburn Running Calendar 2026 18 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, 22 Ashburn events
Spotted something wrong? Tell us and we'll fix it.