Marsh Creek Sprint Triathlon
Downingtown, PA
Sun, Sep 20, 2026
Race day is here! · Sun, Sep 20, 2026
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Sunday, September 20th, 2026
675 Park Road, Downingtown PA
See race page
59–76°F · some rain risk
See last 10 years
On this date: rain 0 of the last 10 years
2025
58–79°F
dry
2024
61–83°F
dry
2023
54–73°F
dry
2022
63–83°F
dry
2021
56–75°F
dry
2020
43–63°F
dry
2019
52–77°F
dry
2018
60–72°F
dry
2017
65–85°F
dry
2016
67–80°F
dry
Best months to race in Pennsylvania →
Race-day forecast · Sunday, Sep 20
Rain likely · 63–74°F
Sunday, Sep 20starts near 63°F · 77% chance of rain · wind up to 15 mph
About this race
Event Overview
- Date: September 20, 2026
- Location: 675 Park Road, Downingtown, PA
- Race URL: Marsh Creek Sprint Triathlon
Race Details
- Venue: Staged out of Marsh Creek State Park, located just west of Philadelphia, PA.
- Swim: The time trial swim occurs in 500 acre Marsh Creek Lake featuring a single loop, rectangular shaped swim course.
- Bike: A beautiful, well paved, single loop 20k course with technical sections and long straightaways alongside trout streams and forests.
- Run: The 5k run course is entirely within the park, offering beautiful lake views and a notable uphill at mile 1.
Additional Activities
- Recreation: Kayak rentals are available.
- Dining: Great restaurants are nearby.
- Exploration: Enjoy rural, back country roads.
- Trip Planning: Click HERE to learn more and plan your trip.
Registration Information
- Uncertain about registering? Watch this race video HERE, then register below.
- Further Race Details: For more information, visit https://kineticmultisports.com/races/marshcreeksprint.
Course map
Hotels for race weekend
Live prices near the start line, Sep 19 – 21, 2026.
Train with a club
Run clubs near Downingtown to train with before race day.
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