https://www.bikereg.com/national-24-hour-challenge
[click to register]                     .
June 20-21, 2015

Middleville, Michigan 


It's the 2015 t-shirt design!
(Don't worry - we're still awarding 1,000-mile jerseys and 5,000-mile jackets!)



 

A personal best, on-road bicycle ride - to test endurance and determination.



The National 24 Hour Challenge
has been held every Father's Day Weekend since 1983. 


Riders have come from most every state,
as well as more than a dozen foreign countries.


Set your goal, Join us, and achieve it!

https://www.bikereg.com/national-24-hour-challenge
 
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The N24HC is a UMCA Ultracycling Cup Event
http://www.ultracycling.com