Keira Henninger presents: Sean O'Brien
The 100k is a 2025 WS100 qualifier.
#KHraces will be combining all distances for the Sean O'Brien Trail Races back together on the same day. We will have the 100k, 50 mile, 50k, Marathon, and 30k on January 28th, 2023.
Event's current local time: 3:53 AM PT
