
Pleasant Valley 5K Run/Walk, Aquathlon Challenge, and Dog Swim was a swimrun and running race held on September 12, 2026 in Chantilly, VA, with an entry fee of $45.
This race has already happened.
It was held on September 12, 2026. Registration for this edition is closed.
Our annual 5K runs through the Pleasant Valley subdivision and into the neighboring Fairfax County trail system.
For those really looking to demonstrate their summer fitness, take on the Aquathlon Challenge, a 150m pool swim followed by a 5K run.
In the afternoon, we'll continue our beloved neighborhood tradition with our dog swim, when the pool will be reserved exclusively for some very good boys.
All proceeds directly support the Pleasant Valley Pool in Chantilly. Your participation makes a vital difference in keeping this community resource thriving.
City Elevation
362 ft
Nearest Airport
IAD
Washington Dulles International Airport · 5 mi
Time Zone
Eastern Time
From Endurance Grid
Line up lodging and travel early to lock in your race weekend.
Pleasant Valley 5K Run/Walk, Aquathlon Challenge, and Dog Swim was held on September 12, 2026 at 4347 Cub Run Road, Chantilly, VA. Registration for this edition is closed — but there is always another start line.
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This race spans more than one sport — here’s a guide to each, so you can understand what’s involved and decide if it’s the right fit. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
A continuous race alternating open-water swimming and running across a series of segments. Distances, format, and legs vary by event.
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.