Bob Norton
ID 220949
Born : 1938 Cat. M85 Ultrarunner since 1982 USA
27
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
39
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
63,7%
Rank quotient ?This runner's calculation uses 27 eligible race(s): Σ(rank − 1) = 2 220; Σ finishers = 3 483. 2 220 / 3 483 × 100 = 63.74%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed27
Km — ultra races1 748 km
> 100 km2
> 160 km1
> 24h1
Longest race160,9 km
6th Angeles Crest 100 Mile — 27/9/1991

Km per year (ultra races)

50
1 race
2022
2023
2024
2025
2026

Race types (share of distance)

Road7,0%
Trail93,0%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 32
🏅 Top 3 M2
Longest winning streak1
Current streak0

Records

50 km4h24'5350 mi8h13'42100 mi32h16'1124 h121,91 km

HISTORY

27 race(s)
DateRacePerf.Rk
2022
08.01 50km USA42th Avalon Benefit 50 km Run 10:10:36 h297
2019
01.06 50km USA10th Vashon Ultramarathon 50k 9:33:01 h61
2018
02.06 50km USA9th Vashon Ultramarathon 50k 8:41:53 h47
2017
03.06 50km USA8th Vashon Ultramarathon 50k 8:48:48 h41
2016
04.06 50km USA7th Vashon Ultramarathon 50k 8:23:20 h47
2012
30.06 50km USA3rd Vashon Ultramarathon 50k 7:59:21 h53
2006
03.06 50km USA17th Shadow of the Giants 50K 8:01:03 h59
2003
07.06 50km USA14th Shadow of the Giants 50K 7:27:41 h69
2002
12.01 50mi USA22nd Avalon Benefit 50-Mile Run 10:44:18 h101
2001
02.06 50km USA12th Shadow of the Giants 50K 6:42:02 h65
2000
03.06 50km USA11th Shadow of the Giants 50K 7:56:05 h82
1998
06.06 50km USA9th Shadow of the Giants 50K 7:08:45 h77
1997
07.06 50km USA8th Shadow of the Giants 50K 7:52:30 h96
11.01 50mi USA17th Avalon Benefit 50-Mile Run 11:05:15 h151
1996
06.01 50mi USA16th Avalon Benefit 50-Mile Run 10:49:00 h73
1993
09.01 50mi USA13th Avalon Benefit 50-Mile Run 10:26:57 h57
1992
30.05 50km USA3rd Shadow of the Giants 50K 6:17:43 h147
1991
27.09 100mi USA6th Angeles Crest 100 Mile 32:16:11 h77
20.07 32.5mi USASan Jacinto Wilderness Run 7:41:00 h19
13.04 50km USACuyamaca 50 km Trail Race 5:58:15 h110
05.01 50mi USA11th Avalon Benefit 50-Mile Run 8:41:42 h32
1989
12.11 50km USA6th San Juan Trail 50 km 5:50:01 h53
1985
11.05 50km USA2nd Quicksilver 50 km Endurance Run 4:24:53 h1 🏆
1983
27.05 24h USAOrange 24 Hour Run 121.907 km2 🥈
17.04 50mi USA4th American River 50 Mile Endurance Run 8:13:42 h106
1982
01.08 50km USA1st Skyline 50k Endurance Run 5:11:16 h136
18.04 50mi USA3rd American River 50 Mile Endurance Run 9:50:49 h188