Headwaters Monster Mash Fun Run Dash
- Date
- October 3, 2026
- Distance
- 5K Fun Run
From the Organizer
Join Headwaters, the Rappahannock County Public Education Foundation, for a morning of fun, wellness, and community! Our 5K course offers a great way to support the students and teachers of Rappahannock County Public Schools (RCPS), with all registration fees going directly to benefit RCPS.
We won't be using official timing, so you're free to run, walk, or dash at your own pace! Gather your friends and family, and remember to dress up in your best costume or fall attire for a chance to win a prize!
#MonsterMashFunRunDash
Events
Weather
Typical Conditions
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
71°
Typical Low
49°
Chance of Rain
30%
Based on US Climate Normals data from Sperryville, 5 mi from the venue.
Host City
About Washington, VA
Elevation
658 ft
Nearest Airport
IAD
Washington Dulles International Airport · 41 mi
Time Zone
Eastern Time
From Endurance Grid
Line up lodging and travel early to lock in your race weekend.
Race Location
Your Next Start Line
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at Headwaters Monster Mash Fun Run Dash, put it on the calendar, and turn “someday” into a start date.
117
Days to train
- Race
- Headwaters Monster Mash Fun Run Dash
- Date
- October 3, 2026
Coming Up
More Running races near Washington, VA
Fauquier Education Farm 5K and Fun Run
5K
19 miles away
Culpeper July 4th Freedom 5k
5K
16 miles away
Seven Bends Adventure Race
23 miles away
Devil's Den 10 Miler
10 Mile
16 miles away
From Endurance Grid
About This Sport
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.
Running
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)
- What is the Headwaters Monster Mash Fun Run Dash?
- Headwaters Monster Mash Fun Run Dash is a running race held in Washington, Virginia on October 3, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more running races near you or explore our sports guides to learn what race day actually feels like.
- When and where is the Headwaters Monster Mash Fun Run Dash?
- Saturday, October 3, 2026 in Washington, Virginia at 567 Mount Salem Avenue, Washington, VA. Check the event page for exact start times and wave schedules.
- How do I register for the Headwaters Monster Mash Fun Run Dash?
- Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.
Headwaters Monster Mash Fun Run Dash
Oct 3, 2026