Hardrock Hundred Mile Endurance Run 2027
July 9, 2027
Silverton, US
About
A rugged 100-mile mountain ultramarathon through Colorado's San Juan Mountains, with over 33,000 feet of climbing and descending and an average elevation above 11,000 feet, reaching a high point of 14,048 feet at Handies Peak.
Pick your distance
Everything below adapts to your choice
Start time
6:00 AM
Why this race
- Listed on the official Classic ultras outside a series calendar.
The information shown here is based on the most recent listing we could find, and may change. Always confirm details on the event's official site before registering.
Not this one?
39-week plan, built around your data
Get my plan in the app