Tomorrow! · Sat, Oct 17, 2026
Don't let race day sneak up
One email during race week. That's it.
Saturday, October 17th, 2026
4373 Mason Pond Dr., Fairfax VA
5K · 1 Mile
50–68°F · low rain risk
See last 10 years
On this date: rain 0 of the last 10 years
2025
42–63°F
dry
2024
40–58°F
dry
2023
50–61°F
dry
2022
51–68°F
dry
2021
50–62°F
dry
2020
42–59°F
dry
2019
49–55°F
dry
2018
47–65°F
dry
2017
43–60°F
dry
2016
57–79°F
dry
Best months to race in Virginia →
Race-day ready
Everything but the shoes.
Real running socks, a bib belt, anti-chafe — the cheap upgrades that matter.
Race-day forecast · Saturday, Oct 17
Rain likely · 46–62°F
Saturday, Oct 17starts near 46°F · 64% chance of rain · wind up to 15 mph
About this race
Join us for the annual George Mason 5K & Fun Run! This year, all proceeds will benefit the Student Emergency Assistance Fund, overseen by the Student Support and Advocacy Center (SSAC).
This donor-supported fund helps Mason students facing unexpected financial emergencies, including food insecurity, housing challenges, and other basic needs that may impact their ability to remain enrolled.
Additional tax-deductible donations can be made through the GMU Foundation.
Event Fees and Benefits
- 5K Run-Walk: $40 ($20 benefit)
- Kids Fun Run: $20 ($20 benefit)
Course map
Train with a club
Run clubs near Fairfax to train with before race day.
Suggested Races
Organize this race?
Claim it free to manage your listing — and get it featured for free, while spots last.