Grant Holdaway
Born : 1931 Cat. M95 Ultrarunner since 1999 USA
27
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
93,0%
Rank quotient ?This runner's calculation uses 27 eligible race(s): Σ(rank − 1) = 3 741; Σ finishers = 4 023. 3 741 / 4 023 × 100 = 92.99%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed27
Km — ultra races2 755 km
> 100 km7
> 160 km7
Longest race160,9 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Trail100,0%

HISTORY

27 race(s)
DateRacePerf.Rk
2017
18.03 50mi USA12th Antelope Island Buffalo Run 50 Mile 20:38:03 h85
2016
19.03 50mi USA11th Antelope Island Buffalo Run 50 Mile 22:55:00 h135
2015
21.03 50mi USA10th Antelope Island Buffalo Run 50 Mile 20:33:00 h158
2013
23.03 50mi USA8th Antelope Island Buffalo Run 50 Mile 18:33:00 h138
2011
04.06 50mi USA15th Snow Peaks 50 Mile Trail Run 19:33:59 h194
05.02 50mi USA19th Rocky Raccoon 50 Mile Trail Run 14:55:47 h148
2010
05.06 50mi USA14th Snow Peaks 50 Mile Trail Run 18:10:16 h212
2009
07.02 50mi USA17th Rocky Raccoon 50 Mile Trail Run 14:04:49 h145
2008
07.06 50mi USA12th Snow Peaks 50 Mile Trail Run 17:39:30 h188
02.02 50mi USA16th Rocky Raccoon 50 Mile Trail Run 13:54:26 h123
2007
03.02 100mi USA15th Rocky Raccoon 100 Mile Trail Run 29:29:05 h161
2006
03.06 50mi USA10th Snow Peaks 50 Mile Trail Run 16:26:22 h192
2005
04.06 50mi USA9th Snow Peaks 50 Mile Trail Run 17:19:36 h162
02.04 50mi USA26th American River 50 Mile Endurance Run 12:34:19 h428
05.02 100mi USA13th Rocky Raccoon 100 Mile Trail Run 29:29:09 h94
2004
05.06 50mi USA8th Snow Peaks 50 Mile Trail Run 16:01:57 h177
07.02 100mi USA12th Rocky Raccoon 100 Mile Trail Run 28:42:52 h94
2003
06.09 100mi USA24th Wasatch Front 100 Mile 35:58:07 h133
03.08 100km USA2nd Katcina Mosa 100K Mountain Run 20:49:00 h20
07.06 50mi USA7th Snow Peaks 50 Mile Trail Run 14:54:31 h144
01.03 50mi USA13th Old Pueblo 50 Mile Endurance Run 14:23:26 h63
01.02 100mi USA11th Rocky Raccoon 100 Mile Trail Run 28:16:40 h62
2002
01.06 50mi USA6th Snow Peaks 50 Mile Trail Run 14:23:48 h110
02.02 100mi USA10th Rocky Raccoon 100 Mile Trail Run 29:22:30 h91
2000
09.09 100mi USA21st Wasatch Front 100 Mile 35:31:13 h120
03.06 50mi USA4th Snow Peaks 50 Mile Trail Run 14:10:08 h99
1999
05.06 50mi USA3rd Snow Peaks 50 Mile Trail Run 15:13:15 h92