Bob Marston
ID 47484
Born : 1950 Cat. M75 Ultrarunner since 1992 USA
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
53
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
61,5%
Rank quotient ?This runner's calculation uses 57 eligible race(s): Σ(rank − 1) = 4 057; Σ finishers = 6 597. 4 057 / 6 597 × 100 = 61.50%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed59
Km — ultra races5 252 km
> 100 km18
> 160 km17
Longest race160,9 km
7th Rocky Raccoon 100 Mile Trail Run — 6/2/1999

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Trail97,7%
Stage2,3%

Wins & podiums (ultra)

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

Records

50 km5h40'40100 km18h02'5350 mi9h01'10100 mi23h38'44

HISTORY

57 race(s)
DateRacePerf.Rk
2015
18.04 50km USA25th Ouachita Trail 50 km 11:14:47 h77
2008
15.11 100km USA6th Javelina Jundred 100 km Endurance Run 18:02:53 h47
11.10 50mi USA9th Heartland 50 Mile Race 11:45:25 h23
19.04 50km USA18th Ouachita Trail 50 km 7:20:38 h34
16.02 50km USA16th Sylamore Trail 50k Run 6:28:46 h63
2007
13.10 50mi USA8th Heartland 50 Mile Race 10:23:03 h9
21.04 50km USA17th Ouachita Trail 50 km 7:36:29 h31
17.02 50km USA15th Sylamore Trail 50k Run 7:34:00 h110
2006
09.12 50km USA17th Sunmart Texas Trails 50 km 7:01:12 h326
2005
03.12 50km USA16th Sunmart Texas Trails 50 km 6:42:43 h333
24.09 50km USA11th Flatrock 50K 7:46:04 h18
18.03 120km/3stages USA1st Three Days of Syllamo Stage Race 20:26:00 h25
2004
17.04 50km USA14th Ouachita Trail 50 km 7:31:26 h32
2003
06.12 50km USA14th Sunmart Texas Trails 50 km 5:44:23 h221
17.05 50mi USA4th Berryman 50 Mile 11:56:27 h22
18.04 50km USA13th Ouachita Trail 50 km 6:56:32 h19
15.02 50km USA11th Sylamore Trail 50k Run 6:41:49 h43
01.02 50km USA10th White Rock Classic 50K 6:32:32 h17
2002
02.02 50km USA9th White Rock Classic 50K 6:31:23 h18
2001
29.09 50km USA7th Flatrock 50K 7:05:40 h19
2000
30.09 50km USA6th Flatrock 50K 7:26:48 h22
08.04 50km USA2nd Double Chubb 50k 6:10:32 h35
01.04 50mi USA10th Ouachita Trail 50 Mile 12:49:50 h18
19.02 50km USA8th Sylamore Trail 50k Run 6:35:18 h40
1999
25.09 50km USA5th Flatrock 50K 8:25:04 h31
10.04 50mi USA5th Umstead Endurance Run 50 Miles 11:21:59 h57
06.02 100mi USA7th Rocky Raccoon 100 Mile Trail Run 28:16:50 h69
1998
12.12 50km USA9th Sunmart Texas Trails 50 km 5:40:40 h177
26.09 50km USA4th Flatrock 50K 7:48:32 h20
08.02 100mi USA6th Rocky Raccoon 100 Mile Trail Run 28:04:43 h71
1997
13.12 50mi USA8th Sunmart Texas Trails 50 Mile 9:16:33 h136
08.11 50mi USA4th Quivering Quads 50M Trail Race 10:27:39 h11
27.09 50km USA3rd Flatrock 50K 6:57:31 h14
05.09 100mi USA18th Wasatch Front 100 Mile 34:12:00 h96
16.08 100mi USA15th Leadville Trail 100 Mile 29:40:14 h138
19.07 100mi USA9th Vermont 100 Mile Endurance Race 27:19:15 h123
28.06 100mi USA24th Western States 100 Mile Endurance Run 29:16:49 h220
15.02 50km USA5th Sylamore Trail 50k Run 6:08:20 h10
02.02 100mi USA5th Rocky Raccoon 100 Mile Trail Run 25:50:45 h33
1996
12.12 50mi USA7th Sunmart Texas Trails 50 Mile 9:01:10 h123
09.11 50mi USA3rd Quivering Quads 50M Trail Race 9:48:10 h4
20.07 100mi USA8th Vermont 100 Mile Endurance Race 26:06:20 h103
29.06 100mi USA23rd Western States 100 Mile Endurance Run 29:36:33 h210
17.02 50km USA4th Sylamore Trail 50k Run 6:45:11 h19
03.02 100mi USA4th Rocky Raccoon 100 Mile Trail Run 24:53:02 h23
1995
30.09 50km USA1st Flatrock 50K 6:35:37 h5
25.09 50mi USA2nd Quivering Quads 50M Trail Race 10:05:45 h3 🥉
04.02 100mi USA3rd Rocky Raccoon 100 Mile Trail Run 25:48:32 h20
1994
01.10 50mi USA1st Quivering Quads 50M Trail Race 10:46:50 h4
23.07 100mi USA6th Vermont 100 Mile Endurance Race 28:40:10 h114
23.06 100mi USA21st Western States 100 Mile Endurance Run 29:44:43 h241
05.02 100mi USA2nd Rocky Raccoon 100 Mile Trail Run 24:15:36 h18
1993
26.06 100mi USA20th Western States 100 Mile Endurance Run 29:34:18 h196
01.05 50mi USA5th Ouachita Trail 50 Mile 10:05:40 h21
06.02 100mi USA1st Rocky Raccoon 100 Mile Trail Run 23:38:44 h18
1992
25.07 100mi USA4th Vermont 100 Mile Endurance Race 28:11:58 h149
02.05 50mi USA4th Ouachita Trail 50 Mile 9:52:28 h35