Jamey Kohn
ID 744604
Born : 1975 Cat. M50 Ultrarunner since 2015 USA
38
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details
1
Countries visited ?USAUnited States
63,2%
Rank quotient ?This runner's calculation uses 41 eligible race(s): Σ(rank − 1) = 2 255; Σ finishers = 3 570. 2 255 / 3 570 × 100 = 63.17%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed39
Km — ultra races3 521 km
> 100 km10
> 160 km9
> 200 km2
> 24h6
> 48h4
Longest race252,7 km
12th 3 Days at the Fair 72 Hour Race — 1/10/2020

Km per year (ultra races)

499
6 races
2022
180
3 races
2023
50
1 race
2024
50
1 race
2025
239
2 races
2026

Race types (share of distance)

Road62,9%
Trail37,1%

Records

50 km5h31'18100 km15h09'5650 mi11h21'00100 mi27h44'036 h49,62 km12 h80,47 km24 h128,75 km48 h201,17 km

HISTORY

41 race(s) · 1 split(s) nested
DateRacePerf.Rk
2026
11.07 12h USA1st The Revolution 57.292 km20
15.05 48h USA18th 3 Days at the Fair 48 Hour Race 181.855 km6
2025
18.10 50km USA13th Tesla Hertz Run 50 km 6:56:20 h15
2024
10.03 50km USA22th USATF National 50K Road Championship Caumsett 5:55:19 h23
2023
15.10 6h USA24th Fred von der Heydt Memorial 6 Hour 60th Birthday Run 49.616 km13
30.04 50mi USA49th Jack Bristol Lake Waramaug 50mi Ultra Marathon 11:21:57 h24
12.03 50km USA21th USATF National 50K Road Open Race Caumsett 6:16:21 h17
2022
03.12 100mi USA9th Brazos Bend 100 28:00:25 h82
20.11 60km USA1st BUS Queens 60 Kilo 7:14:30 h10
30.10 50km USA3rd Marine Corps 50km Marathon Race 5:57:04 h639
16.10 6h USA23th Fred von der Heydt Memorial 6 Hour 60th Birthday Run 47.894 km16
14.05 12h USA14th 3 Days at the Fair 12 Hour Race 80.467 km8
19.03 100km USA8th The Pistol 100 km Ultra Run 15:09:56 h30
2021
31.07 6h USA9th BUS 6-Hour Pajama Run 46.157 km20
15.05 12h USA13th 3 Days at the Fair 12 Hour Race 49.889 km30
2020
01.10 72h USA12th 3 Days at the Fair 72 Hour Race 252.667 km8
08.02 100mi USA11th Beast of Burden Winter 100 Miler 27:44:03 h14
2019
07.09 50km USA5th Ted Corbitt 50 km 6:45:43 h24
07.09 100km USA5th Ted Corbitt 100 km 15:28:00 h24
17.05 48h USA11th 3 Days at the Fair 48 Hour Race 201.168 km11
16.03 100mi USA7th The Pistol 100 Mile Ultra Run 27:56:00 h47
2018
10.11 24h USA6th NJ One Day 24 Hour Race 93.341 km35
23.06 100mi USA7th The Great New York 100 Mile Running Exposition 29:34:14 h57
18.05 48h USA10th 3 Days at the Fair 48 Hour Race 164.153 km11
18.03 50km USA6th The Pistol 50 km Ultra Run 6:10:21 h36
17.03 50mi USA6th The Pistol 50 Mile Ultra Run 15:05:23 h29
2017
03.12 50km USA5th BUS Trail Mix-Up Run 50K 6:27:00 h42
22.07 6h USA7th BUS 6-Hour Pajama Run 47.234 km36
15.05 50km USA9th 3 Days at the Fair 50 km Race 8:12:19 h8
15.05 50km USA9th 3 Days at the Fair 50 km Race 8:38:21 h10
15.05 50km USA9th 3 Days at the Fair 50 km Race 9:17:37 h12
29.04 100mi USA5th C&O Canal 100 Mile 28:04:40 h46
05.03 50km USA15th Caumsett Park 50K Lloyd Neck - Open Race 6:09:44 h32
2016
11.12 50km USA4th BUS Trail Mix-Up Run 50K 6:19:30 h42
11.11 24h USA4th NJ One Day 24 Hour Race 128.747 km17
01.04 70km USA2nd Paumanok Pursuit 70K Trail Run 11:16:33 h24
06.03 40mi USA2nd Naked Bavarian 40 Miler 9:19:33 h87
09.01 50km USA8th Watchung Winter 50 km Run 7:48:14 h30
2015
13.12 50km USA3rd BUS Trail Mix-Up Run 50K 5:31:18 h29
21.11 50mi USA53rd JFK 50 Mile 11:21:00 h611
08.08 50mi USA6th Beast of Burden Summer 50 Miler 11:23:30 h21