=PR= Races: Monster Mash Dash 5K & 1Mile
⚠️ 2027 edition: provisional information
The date is estimated from the 2026 edition (October 25, 2026), on the same day of the week. Courses, start times, fees and description are carried over from the previous edition: check them on the official website. This page will be updated as soon as the organizer publishes them.
Available distances
About
The Monster Mash Dash takes place in McLean, in Fairfax County, Virginia, pairing a competitive 5K with a fun, family-friendly 1-mile run. Runners of all ages are welcome, and participants are encouraged to dress up in Halloween costumes.
The race doubles as a community event, with proceeds and participation supporting Franklin Sherman Elementary School.
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Races nearby
Other upcoming races around McLean.
Historic Drawbridge Half
Nov 7, 2026 · Falls Church, VA · 4 mi away
26.2 mi · 13.1 mi · 3.1 mi
Tunnel Hill 100 & 50 mile runs
Nov 9, 2026 · Vienna, VA · 5 mi away
100 mi · 50 mi
Inova Battle of the Branches 5K
Nov 8, 2026 · Fairfax, VA · 6 mi away
3.1 mi
Fall Backyard Burn 5M/10M Trail Running Series-Race #2
Nov 22, 2026 · Reston, VA · 7 mi away
5 mi · 10 mi
Holiday Half - Half Marathon and 4 Miler
Dec 12, 2026 · Annandale, VA · 7 mi away
4 mi
SHRM Washington DC Impact 5K
Nov 7, 2026 · Washington, DC · 7 mi away
3.1 mi