Ronald Harding
ID 47455
Born : 1948 Cat. M75 Ultrarunner since 1995 USA
50
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
34,2%
Rank quotient ?This runner's calculation uses 52 eligible race(s): Σ(rank − 1) = 1 901; Σ finishers = 5 562. 1 901 / 5 562 × 100 = 34.18%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed52
Km — ultra races3 740 km
> 100 km3
> 160 km3
Longest race160,9 km
37th Western States 100 Mile Endurance Run — 26/6/2010

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road1,3%
Trail98,7%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M1
🏅 Top 34
🏅 Top 3 M6
Longest winning streak0
Current streak0

Records

50 km4h35'56100 km12h37'1150 mi4h35'23100 mi26h32'20

HISTORY

52 race(s)
DateRacePerf.Rk
2015
28.03 50km USA23rd Crown King Scramble 50K 7:58:28 h163
2010
26.06 100mi USA37th Western States 100 Mile Endurance Run 28:23:40 h237
05.06 50mi USA2nd Blue Canyon 50 Mile Trail Race 13:48:00 h2 🥈
20.03 50km USA1st Mesquite Canyon 50 km 8:36:57 h57
2009
14.11 50km USA15th Just Another Mad Dog 50 km 5:08:17 h12
30.05 50km USA20th Shadow of the Giants 50K 7:02:47 h60
07.03 50mi USA19th Old Pueblo 50 Mile Endurance Run 10:51:10 h51
17.01 50mi USA29th Avalon Benefit 50-Mile Run 9:16:12 h35
2008
08.11 50km USA14th Just Another Mad Dog 50 km 5:03:09 h4
31.05 50km USA19th Shadow of the Giants 50K 6:03:58 h26
26.04 50km USA19th Zane Grey Highline Trail 50 km 9:15:59 h15
12.01 50mi USA28th Avalon Benefit 50-Mile Run 9:06:08 h27
2007
17.03 50km USA20th Crown King Scramble 50K 7:18:03 h71
13.01 50mi USA27th Avalon Benefit 50-Mile Run 9:46:16 h64
2006
11.11 50km USA12th Just Another Mad Dog 50 km 5:14:59 h9
24.06 100mi USA33th Western States 100 Mile Endurance Run 29:35:59 h197
03.06 100km USA11th Kettle Moraine 100 km Endurance Run 12:37:11 h13
18.03 50km USA19th Crown King Scramble 50K 6:25:21 h42
11.02 50km USA8th Pemberton Trail 50 km 5:09:54 h34
14.01 50mi USA26th Avalon Benefit 50-Mile Run 8:55:38 h25
2005
01.10 50mi USA22nd Man Against Horse 50 Mile Race 10:10:00 h8
05.03 50mi USA15th Old Pueblo 50 Mile Endurance Run 9:46:42 h20
12.02 50km USA7th Pemberton Trail 50 km 4:55:34 h21
2004
06.11 50km USA10th Just Another Mad Dog 50 km 4:44:47 h3 🥉
26.06 100mi USA31th Western States 100 Mile Endurance Run 26:32:20 h123
24.04 50mi USA15th Zane Grey Highline Trail 50 Mile 13:29:24 h49
03.04 50mi USA25th American River 50 Mile Endurance Run 8:42:29 h64
07.02 50km USA6th Pemberton Trail 50 km 4:35:56 h15
2003
06.12 50mi USA14th Sunmart Texas Trails 50 Mile 8:15:28 h37
10.05 50mi USA22th Ice Age Trail 50 Mile Run 8:57:49 h43
01.03 50mi USA13th Old Pueblo 50 Mile Endurance Run 10:00:52 h17
2002
05.10 50mi USA19th Man Against Horse 50 Mile Race 9:50:25 h15
27.04 50mi USA13th Zane Grey Highline Trail 50 Mile 12:04:00 h15
16.03 50mi USA16th Crown King Scramble 50M 9:34:30 h13
02.03 50mi USA12th Old Pueblo 50 Mile Endurance Run 10:33:06 h22
12.01 50mi USA22nd Avalon Benefit 50-Mile Run 8:28:07 h23
2001
03.11 50mi USA7th Just Another Mad Dog 50 Mile 4:35:23 h8
06.10 50mi USA18th Man Against Horse 50 Mile Race 8:48:00 h7
28.04 50mi USA12th Zane Grey Highline Trail 50 Mile 12:16:50 h22
03.03 50mi USA11th Old Pueblo 50 Mile Endurance Run 9:36:16 h4
10.02 50km USA3rd Pemberton Trail 50 km 4:40:10 h8
2000
25.11 28mi USA16th Quad Dipsea Trail Run 5:43:05 h61
11.11 50mi USA6th Just Another Mad Dog 50 Mile 4:44:04 h6
18.03 50km USA14th Crown King Scramble 50K 6:02:19 h36
15.01 50mi USA3rd Phoenix National Trail 50 Mile Endurance Run 10:44:08 h32
1999
28.08 50km USAFairfield Trail Runs - 50 km 5:01:03 h3 🥉
20.03 50km USA13th Crown King Scramble 50K 5:52:41 h35
02.01 50mi USA2nd Phoenix National Trail 50 Mile Endurance Run 9:44:45 h16
1998
07.11 50km USA4th Just Another Mad Dog 50 km 9:13:41 h5
21.03 50km USA12th Crown King Scramble 50K 5:58:41 h48
1997
22.03 50km USA11th Crown King Scramble 50K 5:49:03 h28
1995
21.01 50km USAIce Cubes for Brains 50 km 5:05:55 h2 🥈