Potomac Riverkeeper Network's Splash and Dash 2027
- Date
- Sunday, May 16, 2027
- Start time
- 9:00 AM start (New York)
- Location
- Oxon Hill, Maryland
- Entry fee
- From $50 · goes up to $55 on Mar 2, 2027
- Included with entry
- Includes a shirt
- Fundraising
- Takes optional donations when you register
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Events and entry fees
| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| Mussel Hustle | 5K | May 16, 20279:00 AM | $50$55 after Mar 2, 2027 | 250 |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
Race day planning
Entry fee schedule
- $50 until Mar 1, then $55 until May 16.
Online registration closes May 16, 2027, unless the race fills first.
How the price compares
At $50, entry is about 43 percent above a typical 5K in Maryland, which costs $35 right now.
What a typical finish looks like
A typical finisher at a 5K in Oxon Hill runs 52:52, about 17:01 a mile, based on 5 races with published results. Women typically finish in 55:37 and men in 40:01.
Light and altitude
Sunrise on race morning is at about 5:55 AM, and the Mussel Hustle starts at 9:00 AM. The start sits about 190 feet above sea level.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Start location and course
165 Waterfront Street, Oxon Hill, MD 20745
The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.
2026 results
All resultsAggregated from official results (Arsenal Events) for Potomac Riverkeeper Network's Splash and Dash. Individual finisher names are not stored here.
How fast do you need to be at Potomac Riverkeeper Network's Splash and Dash?
In 2026, the fastest tenth finished in 21:24 or better, the top quarter in 25:38, and half the field in 32:37; the last tenth came in after 50:05.
| Age | Women | Men |
|---|---|---|
| Under 20 | n/a | 24:07 |
| 20-29 | 32:46 | n/a |
| 30-39 | n/a | 23:52 |
| 40-49 | 27:54 | n/a |
Groups with fewer than five finishers are left out. Awards vary by race; check the race's rules.
What would my time get me?
Where a finish time would have placed in 2026.
Typical race-day weather
Around May 16 the day usually runs from 56°F at dawn to 74°F in the afternoon, with measurable rain on about 33% of days. Cold snaps dip to 49°F and hot years reach 85°F.
Based on 75 days within a week of the date over the last 5 years, from historical weather for the start area. Not a forecast.
Race details
- Where
- 165 Waterfront Street, Oxon Hill, MD 20745Map
- Course
- Road
- Start elevation
- About 190 feet
- Included with entry
- T-Shirt
- Donations
- Accepted when you register
- Distances
- 5K
- Editions
- 2027 (May 16, 2027), 2026 (May 16, 2026)
Organize this race? Add details or a correction
Plan your race
Quick answers
- When is Potomac Riverkeeper Network's Splash and Dash?
- Sunday, May 16, 2027, starting at 9:00 AM.
- How much does it cost?
- Entry starts at $50 before processing fees, and rises to $55 on Mar 2, 2027.
- When does registration close?
- Online registration closes May 16, 2027, unless the race fills first.
- Is the entry fee high for Maryland?
- At $50, entry is about 43 percent above a typical 5K in Maryland, which costs $35 right now.
- Do runners get a shirt or medal?
- Entry includes a shirt, according to the race's registration page. Check it for sizes and whether kids' races get the same.
- Can I donate to a cause when I register?
- Yes. The registration form offers an optional donation, usually for the charity or nonprofit the race supports. The race's own page names the cause.
- What distances can I run?
- 5K.
- How big is it, and how fast?
- In 2026, 42 runners finished the 5K; the median finish was 32:37 and the winner ran 17:48.
- Where does it start?
- 165 Waterfront Street, Oxon Hill, MD 20745.
From the organizers
Our race brings together community members, outdoor enthusiasts, and river supporters to advance the Potomac Riverkeeper Network’s mission to protect the right to clean water for all. Proceeds benefit PRKN’s work to stop pollution, make drinking water safe, protect healthy river habitats, and enhance the use and enjoyment of the Potomac and Shenandoah watersheds. What makes this event special is its celebration of our shared connection to these rivers—uniting people who live, work, and recreate in the watershed to take action for clean water now and for future generations.
Packet Pick Up Information
Thursday, May 14th from 3:30pm-6:30pm - Patagonia - 3104 M Street NW, Washington, DC 20007