Ironstone 100k 2026 – Rated

Ironstone 100K | ultramarathon

Legs of Iron. Resolve Like a Stone. July 11-12, 2026.

Ironstone 100K Ultra - July 11, 2026

- The race must be an officially organized trail event with publicly available results (e.g., posted on Ultrasignup or a race/timing website). Non-Qualifying ...

Ironstone 100K - Hollidaysburg , PA 07/11/2026

A Test of Endurance on the Wildest Trails of the Alleghenies. Runners with legs of iron and resolve like stone will gather in Central Pennsylvania on July 12-13 ...