In 125 days · Sat, Feb 13, 2027
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Saturday, February 13th, 2027
11710 Macarthur Blvd, Potomac MD
Half · 5K · 10K
31–47°F · some rain risk
See last 10 years
On this date: rain 6 of the last 10 years
2026
22–34°F
dry
2025
34–47°F
rain
2024
35–47°F
rain
2023
35–56°F
rain
2022
26–45°F
rain
2021
27–29°F
rain
2020
39–54°F
rain
2019
30–43°F
dry
2018
25–41°F
dry
2017
32–48°F
dry
Best months to race in Maryland →
Race-day forecast says layers
31°F at the start.
Gloves, ear warmers, throwaway layers, hand warmers — delivered before race day.
About this race
Event Overview
Come enjoy a scenic 5k/10k/half that will run alongside the Potomac River and check out the waterfalls post-race. Race registration does not include the park entrance fee. Please check here for park pass specials (including military).
Event Details
- Date: 2027-02-13
- Location: 11710 Macarthur Blvd, Potomac, MD
- Race Types: 5k, 10k, Half Marathon
- Registration: Register here
Participation Information
- Walkers: Welcome
- Strollers: Welcome
- Post-Race Activities: Check out waterfalls
- Prepare: Bring your own water and snacks
Course map
Train with a club
Run clubs near Potomac to train with before race day.
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