Run for nature at Natural Lands’ annual ChesLen Chase with a 5K and 2-mile Fun Run-Walk.
The post-race party features music, craft beer, yummy food truck fare, and an awards ceremony.
* 5K Trail Run – 11:00 am
$35 Pre-registration (on or before May 8), $40 Late and Race Day Registration (after May 8)
* 2-Mile Fun Run-Walk – 10:05 am
$20 Pre-registration (on or before May 8), $25 Late and Race Day Registration (after May 8)
* Youth 6 - 12
$15 Pre-registration (on or before May 8), $20 Late and Race Day Registration (after May 8)
* Youth 5 and under - Free
Natural Lands members receive a $5 discount!. Choose your correct category during online registration. (Not a Natural Lands member yet? Join today.
May 09, 2026
Distance — 2 Miles
Type — Running
11:00
$20.00
May 09, 2026
Distance — 5K
Type — Running
11:00
$35.00
These values represent the 3-year monthly averages for May in Coatesville.
Coatesville is the only city in Chester County, Pennsylvania, United States. The population was 13,350 at the 2020 census. Coatesville is approximately 39 miles west of Philadelphia. It developed along the Philadelphia and Lancaster Turnpike beginning in the late 18th century. It spans U.S. Route 30, the "Main Line" highway that runs west of Philadelphia.
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