In 334 days · Sun, Jul 25, 2027
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Sunday, July 25th, 2027
Plaza at One Loudoun, Ashburn VA
5K
70–89°F · some rain risk
See last 10 years
On this date: rain 1 of the last 10 years
2025
76–91°F
dry
2024
64–84°F
dry
2023
66–94°F
dry
2022
71–81°F
rain
2021
71–92°F
dry
2020
72–95°F
dry
2019
64–87°F
dry
2018
68–86°F
dry
2017
64–83°F
dry
2016
78–96°F
dry
Best months to race in Virginia →
Race-day forecast · Sunday, Jul 25
Cloudy · 65–84°F
Sunday, Jul 25starts near 65°F · 25% chance of rain · wind up to 4 mph
About this race
Event Overview
Potomac River Running is turning 24! and we are ready to party! Join us at One Loudoun, and Celebrate our Birthday on Sunday, July 25!
Race Details
- Date: July 25, 2027
- Location: Plaza at One Loudoun, Ashburn, VA
- Race Types: 5K & 1K
- Registration Link: Register Here
Additional Information
- Packet Pick Up: Click for Packet Pick Up Details
- Celebration: Join us for a festive celebration!
- Community Event: Fun for the whole family!
- Don’t Miss Out: Celebrate with us and enjoy the festivities!
Course map
Train with a club
Run clubs near Ashburn to train with before race day.
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