Ari Karchin (M52)

2026

1 Race | 31 mi.

Behind the Rocks Ultra

Mar 28th 2026
| Moab, UT
Distance
50 KM
Overall
102 / 206
Division (M)
66 / 138
7:38:59

2025

1 Race | 31 mi.

Dirty Turtle

May 17th 2025
| Bremerton, WA
Distance
50 KM
Overall
9 / 27
Division (M)
8 / 18
7:50:25

2023

2 Races | 78 mi.

Carkeek 12 Hour

Oct 21st 2023
| Seattle, WA
Duration
12 Hours
Overall
4 / 16
Division (M)
3 / 11
47.4

Marin Ultra Challenge

Jun 3rd 2023
| Sausalito, CA
Distance
50 KM
Overall
23 / 186
Division (M)
17 / 116
5:30:37

2017

2 Races | 81 mi.

Squamish 50

Aug 20th 2017
| Squamish, BC
Distance
50 KM
Overall
149 / 312
Division (M)
106 / 192
8:29:16

Squamish 50

Aug 19th 2017
| Squamish, BC
Distance
50 Miles
Overall
77 / 280
Division (M)
67 / 194
11:46:45

2015

1 Race | 31 mi.

Cle Elum Ridge

Sep 26th 2015
| Cle Elum, WA
Distance
50 KM
Overall
17 / 49
Division (M)
15 / 37
6:26:35
7
Races
10y 6m 6d
Longevity
253
Lifetime Miles

Personal Bests

50k (5)
5:30:37
2023
50m (1)
11:46:45
2017
12hr (1)
47.4
2023

Distance by Year

2026
31 Miles
1 Race
2025
31 Miles
1 Race
2023
78 Miles
2 Races
2017
81 Miles
2 Races
2015
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

Yankee Springs Trail Run
Middleville, MI - 60 finishers
100 KM | 50 KM
The Midwest Ultra Track Classic
Warrensburg, MO - 19 finishers
24 Hours | 12 Hours | 6 Hours
Coz's Backyard Ultra
Holland Patent, NY - 16 finishers
Backyard
South Ridge Trail Challenge
Allison Park, PA - 18 finishers
50 KM
Connor's Claims Ultra
Stockton, UT - 24 finishers
50 Miles | 50 KM
Kettlefoot
Mountain City, TN - 28 finishers
50 KM
Run The Rim
Arnold, CA - 21 finishers
50 KM
Run Comfy Numb Trail Race
Whistler, BC - 68 finishers
50 KM
View All Results