John Koester
Born : 1949 Cat. M75 Ultrarunner since 2005 USA
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
52
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
2
Countries visited ?CANCanadaUSAUnited States
73,2%
Rank quotient ?This runner's calculation uses 83 eligible race(s): Σ(rank − 1) = 4 114; Σ finishers = 5 617. 4 114 / 5 617 × 100 = 73.24%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed87
Km — ultra races6 092 km
> 100 km13
> 160 km10
> 200 km1
> 24h4
Longest race235,0 km

Km per year (ultra races)

2022
2023
80
1 race
2024
2025
2026

Race types (share of distance)

Road8,9%
Trail87,2%
Stage3,9%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0

HISTORY

83 race(s)
DateRacePerf.Rk
2024
28.06 50mi USA4th The Yeti 50 Mile Endurance Run-Washington 17:30:10 h24
2016
15.07 100mi USA23rd Hardrock Hundred Endurance Run 46:37:00 h101
2015
31.10 100mi USA13th Javelina Jundred 100 Mile Endurance Run 28:49:26 h246
2014
06.12 100mi USA4th Cajun Coyote Ultras & Trail Fest 100 Mile 28:37:00 h21
15.08 120mi CAN5th Fat Dog 120 Mile Trail Race 46:23:44 h80
08.02 50km USA4th Golden Gate 50 km Winter Trail Run 7:49:32 h36
18.01 50km USA4th Steep Ravine 50 km Trail Run 8:02:06 h35
2013
20.07 100mi USA12th Tahoe Rim Trail 100M Endurance Run 31:25:21 h79
16.06 146mi/5stages USA7th Desert RATS Multi-day Footrace Adventure 44:51:00 h23
18.05 50mi USA20th Bishop High Sierra Ultramarathons 50 Miles 12:28:15 h41
04.05 60km USA18th Miwok 60k Trail race 8:46:24 h252
04.04 50km USA2nd Grizzly Peak 50k 7:41:50 h28
24.03 50km USA3rd Canyon Meadow (Winter) 50 km Trail Run 6:24:05 h53
24.02 50km USA3rd Montara Mountain 50 km Trail Run 7:09:01 h35
2012
17.11 100mi USA4th The Chimera 100 Mile Mountain Race 29:53:45 h50
19.05 50mi USA19th Bishop High Sierra Ultramarathons 50 Miles 12:40:21 h35
05.05 100km USA17th Miwok 100k Trail race 16:49:22 h251
21.04 50mi USAMokelumne River 50 Mile Trail Run 13:46:16 h3 🥉
2011
03.12 100km USA1st Cajun Coyote 100 km Trail Run 16:49:00 h23
09.09 100mi USA21th Superior Fall Trail Races 100 Mile 35:16:33 h33
19.07 50km USA1st Golden Gate 50 km Summer Trail Run 7:28:55 h26
16.07 50mi USA10th Tahoe Rim Trail 50M Endurance Run 14:57:59 h107
07.05 100km USA16th Miwok 100k Trail race 13:57:09 h200
26.02 50km USA8th Redwood Park 50K Trail Run 6:33:11 h38
2010
31.12 24h USA1st New Years One Day 24 Hour Run 133.186 km10
26.12 50km USA1st Coyote Ridge 50 km Trail Run 7:38:24 h21
13.11 50km USA6th Stinson Beach 50 km 7:32:49 h50
23.10 24h USA5th San Francisco One Day, 24h 66.626 km44
09.10 50mi USA28th Dick Collins Firetrails 50 Mile 11:22:12 h178
19.09 50km USA1st Diablo 50 km Trail Run 8:05:40 h9
14.08 50km USA1st Redwood Summer Trail Run 7:09:12 h16
01.08 50km USA29th Skyline 50k Endurance Run 6:10:52 h97
17.07 50mi USA4th Headlands Hundred 50 Mile Endurance Run 12:56:29 h76
03.07 50km USA7th Pacifica 50 km Trail Run - Summer Edition 8:00:28 h35
18.04 50km USA3rd Skyline to the Sea 50km 6:21:03 h110
27.03 100mi USA4th 24 Hours of Utah - 100 mile race 26:52:00 h5
06.02 50km USA9th Woodside Trail Run 50K 6:41:47 h79
03.01 50km USA31th Epiphany Ultras - 50 km Run 7:09:00 h6
2009
19.12 50km USA5th Rodeo Beach 50km 6:32:31 h70
24.10 24h USA4th San Francisco One Day, 24h 145.162 km22
18.10 50km USA9th Mount Diablo 50K 7:54:30 h23
10.10 50mi USA27th Dick Collins Firetrails 50 Mile 12:10:19 h197
27.09 50km USA7th Santa Cruz Mountains 50 km 6:46:15 h31
08.08 100mi USA3rd Headlands Hundred 100 Mile Endurance Run 30:08:41 h34
18.07 50km USA5th Sequoia Trail Run 7:28:23 h33
05.07 50km USA6th Pacifica 50 km Trail Run - Summer Edition 7:35:23 h34
13.06 12h USA3rd Lake Merritt Half Day 12 Hour Run 83.846 km21
24.05 50km USA4th Forest Park 50K 6:08:44 h49
29.03 50km USA2nd Sycamore Canyon 50K 7:01:53 h45
08.03 50km USA2nd Malibu Creek Trail Run 7:26:36 h55
2008
23.11 50km USA4th Santa Monica Mountains 50 km 7:21:48 h48
25.10 24h USA3rd San Francisco One Day, 24h 113.297 km36
27.09 50km USA6th Santa Cruz Mountains 50 km 6:55:40 h15
20.09 50km USA1st Skyline to the Sea 50km 6:25:35 h101
31.08 50km USA3rd Montaña de Oro 50 km Race 7:44:37 h14
24.08 50km USA5th Salt Point Trail Run 6:59:45 h9
21.06 50km USA5th Pacifica 50 km Trail Run - Summer Edition 7:44:38 h26
08.06 50km USA8th Mount Diablo 50K 8:14:49 h40
25.05 50km USA3rd Forest Park 50K 6:08:27 h38
18.05 50km USA1st Sycamore Canyon 50K 7:16:23 h13
10.05 50km USA25th Quicksilver 50 km Endurance Run 6:51:10 h66
22.03 50km USA7th Pirates Cove Trail Run 6:43:00 h43
01.03 50km USA6th Skyline Ridge Trail Run 6:41:37 h45
19.01 50km USA5th Pacifica 50 km Trail Run - Winter Edition 7:25:05 h29
2007
01.12 50km USA6th Woodside Trail Run 50K 6:15:26 h29
18.11 50km USA3rd Santa Monica Mountains 50 km 6:39:12 h24
29.09 50km USA5th Angel Island 50k 6:33:34 h12
11.08 50mi USA1st Headlands Hundred 50 Mile Endurance Run 12:40:40 h68
07.07 50km USA5th Angel Island 50k 6:09:10 h31
16.06 50km USA5th Santa Cruz Mountains 50 km 6:50:33 h33
27.05 50km USA2nd Forest Park 50K 6:14:57 h19
14.04 50km USA2nd Santa Monica Mountains 50 km 7:19:03 h13
03.02 50km USA6th Woodside Trail Run 50K 6:20:04 h58
2006
11.11 50km USA4th Stinson Beach 50 km 8:00:30 h22
17.07 50km USA3rd Salt Point Trail Run 7:32:25 h10
01.07 50km USA4th Angel Island 50k 6:46:06 h28
28.05 50km USA1st Forest Park 50K 6:18:25 h7
29.04 50km USA4th Skyline Ridge Trail Run 6:46:26 h20
04.02 50km USA5th Woodside Trail Run 50K 6:29:23 h48
14.01 50km USA4th Angel Island 50k 6:42:20 h18
2005
22.10 50km USA1st Montaña de Oro 50 km Race 7:11:41 h14
13.08 50km USA4th Big Basin Redwoods Trail Run 7:53:04 h25
18.06 50km USA3rd Skyline Ridge Trail Run 6:43:23 h25