Events
Race Directors

Ethan Kolasky (M25)

2026

1 Race | 31 mi.

Lake Sonoma 100K & 50K

Apr 11th 2026
| Healdsburg, CA
Distance
50 KM
Overall
28 / 218
Division (M)
25 / 132
5:33:50
1
Races
0y 0m 0d
Longevity
31
Lifetime Miles

Personal Bests

50k (1)
5:33:50
2026

Distance by Year

2026
31 Miles
1 Race

Multiple Performances

Weekly Newsletter

A roundup of the week's content and most recent race results. Sent once a week on Thursday.

Recent Results

Wings of the West Urban Ultra
Deltona, FL - 21 finishers
55 KM
Heat Wave 6/12/24
ROSE HILL, KS - 49 finishers
24 Hours | 12 Hours | 12 Hours | 6 Hours | 6 Hours
Yellowbrick Backyard Ultra
Peoria, IL - 57 finishers
Backyard
Survivorfest
Sherwood Park, AB - 109 finishers
24 Hours | 24 Hours | 24 Hours | 12 Hours | 12 Hours | 6 Hours | 6 Hours
Rainbow Trail Run
Alliston, ON - 11 finishers
60 KM | 48 KM
Kettle Moraine 100 Endurance Runs
La Grange, WI - 346 finishers
100 Miles | 100 KM | 38 Miles | 50 KM
McKenzie River Trail Run
Blue River, OR - 208 finishers
50 KM
Fire Trail Running Festival
Spring Branch, TX - 46 finishers
50 KM
Sinks Canyon Trail Races
Lander, WY - 113 finishers
50 KM
Boom or Bust Ultra Trail Run
Pioche, NV - 2 finishers
30 Miles
View All Results