Events
Race Directors

Martin Kolstad (M34)

2026

1 Race | 31 mi.

Marin Ultra Challenge

Mar 14th 2026
| Sausalito, CA
Distance
50 KM
Overall
22 / 224
Division (M)
18 / 138
5:16:17
1
Races
0y 0m 0d
Longevity
31
Lifetime Miles

Personal Bests

50k (1)
5:16:17
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

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Backyard | Backyard
The Midwest Ultra Track Classic
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24 Hours | 12 Hours | 6 Hours
Rabid Raccoon 100
Beaver Falls, PA - 275 finishers
100 Miles | 100 KM
Spence Mountain Run
Klamath Falls, OR - 11 finishers
50 KM
Great Mansfield Outdoors
Mansfield, ON - 56 finishers
100 KM | 50 KM
Run Comfy Numb Trail Race
Whistler, BC - 68 finishers
50 KM
Salt Lake Foothills Trail Races
Salt Lake City, UT - 84 finishers
50 Miles | 50 KM
Mohican Trail Run
Loudonville, OH - 251 finishers
100 Miles | 50 Miles
MCW The Tatum Classic
Middletown Township, NJ - 16 finishers
50 KM
Coz's Backyard Ultra
Holland Patent, NY - 16 finishers
Backyard
View All Results