
Huron 100
Grass Lake, MI
100 mi, 50 mi
The Heritage Challenge
Presented by Lenawee Endurance Club
️ Saturday, June 27, 2026
Heritage Park – Adrian, Michigan
⏱️ 3-Hour & 6-Hour Timed Endurance Race
About the Event
Welcome to The Heritage Challenge, a timed endurance event designed for athletes of all levels.
Whether you are:
Taking on your first ultra-distance effort
Exploring trail or endurance running for the first time
Or looking to push your limits as a seasoned athlete
This race is built for you.
Choose between a 3-hour or 6-hour format and complete as many loops as possible within your selected time. There is no set distance requirement—just keep moving forward at your own pace.
Why The Heritage Challenge
Accessible to Everyone
The looped course format allows you to control your effort. Run, jog, or walk—every loop counts.
Support Along the Way
With a central course layout, access to aid, and a strong community presence, you will be supported throughout your race.
A Personal Challenge
This event is about testing yourself in a way that fits your journey. Whether it is one loop or many, each step forward matters.
Course Format
Loop-based course (final distance to be announced)
Mixed terrain including park trails, grass, and paved paths
Minimal elevation, but continuous movement
Easy access to personal gear and aid throughout the event
Race Day Timeline
8:00 AM – Check-in opens
9:00 AM – 6-Hour Challenge Start
12:00 PM – 3-Hour Challenge Start
3:00 PM – Event concludes
Final loops must be started by 2:45 PM
What’s Included
Custom Heritage Challenge race bib
Access to aid stations and facilities
Finisher recognition for all participants who complete at least one loop
Special recognition for top mileage in each division
Post-race gathering with food and community connection
Optional Lenawee Endurance Club merchandise
Ready to Challenge Yourself?
The Heritage Challenge is more than a race. It is an opportunity to discover what you are capable of when you take one more step, one more loop, and keep going.
Join us on June 27th and be part of a growing endurance community built on effort, support, and doing hard things together.
Registration opens
Nov 1, 2026
Race day
Jun 12, 2027
Registration openings and major changes, like a new date or a cancellation.
Your aid stations, pacing, nutrition, and crew in one plan.
Build my planAre you the race director for The Heritage Challenge?
Claim this race to manage registration, volunteers, and race day.
Registration on UltraSignup. Checked Nov 1, 2026.