- Steve Durbin
Tunnel Hill granted IAU Silver Label for 2020
Updated: Apr 9, 2020

Tunnel Hill 100 mile run has been granted the IAU (International Association of Ultrarunners) Silver Label, AND the IAU Trail Label for 2020. This is a very unique combination, and we are proud to earn it.
This international label goes perfectly with the USATF sanctioning, and certification. Your hard-earned records will count at Tunnel Hill.”
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