Kenneth Greenberg
ID 44756
Born : 1955 Cat. M70 Ultrarunner since 2000 USA
30
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
45
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
85,3%
Rank quotient ?This runner's calculation uses 30 eligible race(s): Σ(rank − 1) = 1 002; Σ finishers = 1 174. 1 002 / 1 174 × 100 = 85.35%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed30
Km — ultra races2 470 km
> 100 km8
> 160 km6
> 24h3
Longest race160,9 km
18th Susitna 100 Mile — 13/2/2016

Km per year (ultra races)

50
1 race
2022
50
1 race
2023
50
1 race
2024
2025
2026

Race types (share of distance)

Road2,2%
Trail97,8%

Records

50 km7h48'4750 mi14h40'47100 mi41h41'0012 h68,94 km24 h114,91 km

HISTORY

30 race(s)
DateRacePerf.Rk
2024
17.02 50km USA22th Little Su 50 km 12:46:57 h32
2023
18.02 50km USA21th Little Su 50 km 12:37:23 h18
2022
19.02 50km USA20th Little Su 50 km 8:25:11 h28
2021
03.09 11h USA2nd Dusk to Dawn Relay Race 54.717 km8
14.08 12h USA8th Hamster Endurance Runs 12 Hour Run 62.764 km12
23.07 12h USA8th Chase the Moon 12 Hour Endurance Run 49.728 km77
2020
31.10 12h USA1st Madness in Moab - Canyonlands 12 Hour Race 54.782 km12
15.02 50km USA18th Little Su 50 km 9:54:58 h29
2019
23.11 12h USA5th Lake Haigler 12-Hour 49.889 km26
21.09 12h USA6th Hamster Endurance Runs 12 Hour Run 62.764 km12
27.04 12h USA2nd Silver Moon Race 12 Hour Race 62.072 km11
16.02 50km USA17th Little Su 50 km 10:46:09 h18
2018
19.05 12h USA3rd Mendocino Running Festival 12 Hours 64.373 km9
2017
09.09 50km USA8th Javelina Jangover Night Run 50K 9:20:49 h60
28.01 50mi USA8th Beast of Burden Winter 50 Miler 15:08:57 h28
2016
19.11 50km USA2nd Dead Horse 50 km Race 8:42:08 h155
13.02 100mi USA18th Susitna 100 Mile 42:36:00 h26
2015
31.07 12h USA2nd Chase the Moon 12 Hour Endurance Run 55.361 km39
2014
22.03 24h USA8th 24 Hours of Utah 95.063 km5
2013
26.01 50mi USA4th Beast of Burden Winter 50 Miler 14:40:47 h28
2011
15.10 12h USA5th Boulder 12 Hours 68.944 km13
2010
13.02 100mi USA12th Susitna 100 Mile 44:26:00 h16
2009
17.10 24h USA3rd Boulder 24 Hours 114.907 km7
2008
17.10 24h USA2nd Boulder 24 Hours 103.416 km14
2007
17.02 100mi USA9th Susitna 100 Mile 45:34:00 h19
2006
18.02 50km USA4th Little Su 50 km 7:48:47 h30
2004
14.02 100mi USA6th Susitna 100 Mile 45:49:00 h32
2003
29.11 28mi USA19th Quad Dipsea Trail Run 8:37:19 h209
2002
16.02 100mi USA5th Susitna 100 Mile 46:35:00 h20
2000
19.02 100mi USA3rd Susitna 100 Mile 41:41:00 h39