Kevin Griffin
ID 508784
Born : 1974 Cat. M50 Ultrarunner since 2009 USA
33
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
42
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
75,6%
Rank quotient ?This runner's calculation uses 33 eligible race(s): Σ(rank − 1) = 2 364; Σ finishers = 3 126. 2 364 / 3 126 × 100 = 75.62%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed33
Km — ultra races2 152 km
> 100 km2
> 160 km2
> 24h3
Longest race160,9 km
13th Kansas Rails-to-Trails Fall Extravaganza 100 Mile — 25/10/2025

Km per year (ultra races)

138
2 races
2022
461
6 races
2023
287
4 races
2024
161
1 race
2025
100
2 races
2026

Race types (share of distance)

Road6,5%
Trail90,1%
Elim.3,4%

Records

50 km5h52'14100 km17h50'1050 mi13h20'19100 mi27h10'1724 h88,19 kmBackyard11 loops

HISTORY

33 race(s)
DateRacePerf.Rk
2026
18.04 50km USA36th Ouachita Trail 50 km 8:43:42 h53
07.02 50km USA31st White Rock Classic 50K 7:53:00 h14
2025
25.10 100mi USA13th Kansas Rails-to-Trails Fall Extravaganza 100 Mile 27:10:17 h18
2024
20.07 50km USA32th Full Moon Run - Midnight 50K 8:39:56 h126
27.04 54mi USA4th Almira 50 Race 13:13:44 h14
23.02 100km USA11th Lake Ouachita Vista Trail Endurance 100 km Run (LOViT) 18:30:51 h21
17.02 50km USA32th Sylamore Trail 50k Run 8:03:11 h73
2023
10.12 50km USA15h Mel Williams Memorial Seashore (Seashore Nature Trail) 7:25:06 h162
07.10 100mi USA33th Arkansas Traveller 100 29:52:55 h122
22.07 50km USA31th Full Moon Run - Midnight 50K 8:10:22 h123
15.04 50km USA33th Ouachita Trail 50 km 9:00:39 h59
24.02 100km USA10th Lake Ouachita Vista Trail Endurance 100 km Run (LOViT) 20:18:36 h44
18.02 50km USA31th Sylamore Trail 50k Run 8:23:08 h79
2022
25.11 24h USA12th Sunset 24 Hour Endurance Challenge 88.192 km7
12.02 50km USA30th Sylamore Trail 50k Run 7:34:30 h75
2021
17.04 50km USA31th Ouachita Trail 50 km 8:31:28 h73
26.02 100km USA8th Lake Ouachita Vista Trail Endurance 100 km Run (LOViT) 17:50:10 h29
13.02 50km USA29th Sylamore Trail 50k Run 7:06:35 h57
2020
05.12 Backyard Ultra USA3rd Four Fore Thirty Infinity Backyard Ultra 73.766 km (11h)43
15.02 50km USA28th Sylamore Trail 50k Run 7:59:17 h96
01.02 50km USA26th White Rock Classic 50K 6:37:00 h41
2019
29.11 24h USA9th Sunset 24 Hour Endurance Challenge 50.638 km23
16.02 50km USA27th Sylamore Trail 50k Run 8:22:52 h102
2018
21.07 50km USA27th Full Moon Run - Midnight 50K 7:39:48 h87
21.04 50mi USA28th Ouachita Trail 50 Mile 13:20:19 h51
17.02 50km USA26th Sylamore Trail 50k Run 7:59:46 h87
2017
18.02 50km USA25th Sylamore Trail 50k Run 9:33:06 h116
2015
21.02 50km USA23rd Sylamore Trail 50k Run 9:00:00 h80
2013
16.02 50km USA21st Sylamore Trail 50k Run 7:28:41 h125
2012
10.11 50km USA3rd Bona Dea 50K 6:38:00 h21
18.02 50km USA20th Sylamore Trail 50k Run 8:02:04 h136
2010
18.12 50km USA2nd Mel Williams Memorial Seashore (Seashore Nature Trail) 5:52:14 h128
2009
19.12 50km USA1st Mel Williams Memorial Seashore (Seashore Nature Trail) 6:30:50 h112