In 31 days · Sat, Sep 12, 2026
Don't let race day sneak up
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When
Saturday, September 12th, 2026
Where
4347 Cub Run Road, Chantilly VA
Distance
5K
Typical weather
63–81°F · some rain risk
See last 10 years
On this date: rain 4 of the last 10 years
2025
60–80°F
dry
2024
57–80°F
dry
2023
62–86°F
rain
2022
70–79°F
rain
2021
61–91°F
dry
2020
64–74°F
rain
2019
72–96°F
dry
2018
66–78°F
rain
2017
58–76°F
dry
2016
65–83°F
dry
Best months to race in Virginia →
About this race
Event Overview
- Date: 2026-09-12
- Location: 4347 Cub Run Road, Chantilly, VA
- URL: Pleasant Valley 5K Run/Walk, Aquathlon Challenge, and Dog Swim
5K Run Details
- Description: Our annual 5K runs through the Pleasant Valley subdivision and into the neighboring Fairfax County trail system.
Aquathlon Challenge
- Challenge: For those really looking to demonstrate their summer fitness, take on the Aquathlon Challenge, a 150m pool swim followed by a 5K run.
Dog Swim Tradition
- Activity: In the afternoon, we will continue our beloved neighborhood tradition with our dog swim, when the pool will be reserved exclusively for some very good boys.
Community Support
- Proceeds: All proceeds directly support the Pleasant Valley Pool in Chantilly.
- Impact: Your participation makes a vital difference in keeping this community resource thriving.
Course map
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