Event Information

 Healdsburg, United States
11 April 2026

Lake Sonoma 2026

It’s sneaky hard, so save something for the second half. The hills aren’t major, but they are relentless and take a toll…all while providing beautiful scenery along the way. There are three more major climbs throughout the middle of the course, which many runners choose to hike. If you’re wiped out, the last 12 miles can go on forever, so save some

LS 100k

ITRA Points
Mountain Level
  -
Finisher Level
  480
National League
-

Course details

 Race Date: 2026/04/11
 Start Time: 05:00:00
 Participation: Solo
 Distance: 100.00
 Elevation Gain: +4570
 Elevation Loss: -4570
 Time Limit: 19:0:0
 Number of Aid Stations: 13
 Number of Participants: 250