Wisconsin Trail Series

Welcome to the Wisconsin Trail Assail Series!

Seven races over seven months with a series ending championship. The races are held in Waukesha County and Wisconsin State Parks. All the races have 5K, 10K & half marathon distances. You can switch distances at any time. The Wisconsin Trail Assail is walker friendly!

This registration is for the series. When registering, select the distance you would like to run at all the races. Don't worry, you can change your distance anytime for free. Please note that races in the series are not deferable.

Register for single races
Click on the individual race link below, and register from that race page.

Kiddo's 1K Registration
As always, our kiddos races are free.  If you would like your kiddo to participate, please register for the individual kiddo's race.