
From the Organizer
Hartwood High School Cross Country is hosting the 1st Annual Hartwood StallionsXC Open 5K! This race kicks off the Stallion Invitational, so stick around to watch some great racing amongst the high schoolers!
Events
Weather
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
81°
Typical Low
64°
Chance of Rain
29%
Based on US Climate Normals data from Quantico Mcas, 13 mi from the venue.
Host City
City Elevation
278 ft
Nearest Airport
IAD
Washington Dulles International Airport · 34 mi
Time Zone
Eastern Time
From Endurance Grid
Line up lodging and travel early to lock in your race weekend.
Your Next Start Line
Every finish line starts with a single decision. Claim your spot at StallionsXC Open 5K, put it on the calendar, and turn “someday” into a start date.
87
Days to train
Coming Up
FXBG Trail 10k
11 miles away
FXBG Trail 8 Miler
10 miles away
FXBG Trail 10 Miler
11 miles away
Go for Bo! 2026
6 miles away
From Endurance Grid
Endurance Grid is here to help you understand the sport, decide if it’s the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Frequently Asked Questions (FAQs)
StallionsXC Open 5K
Sep 12, 2026