Robert Ring
ID 19508
Born : 1948 Cat. M75 Ultrarunner since 2001 USA
49
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
53,5%
Rank quotient ?This runner's calculation uses 50 eligible race(s): Σ(rank − 1) = 2 907; Σ finishers = 5 430. 2 907 / 5 430 × 100 = 53.54%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed50
Km — ultra races3 606 km
> 100 km8
> 160 km3
> 24h16
> 48h5
Longest race177,0 km
6th 3 Days at the Fair 72 Hour Race — 15/5/2014

Km per year (ultra races)

2022
2023
2024
2025
50
1 race
2026

Race types (share of distance)

Road51,6%
Trail48,4%

Records

50 km4h20'4150 mi8h07'00100 mi20h58'0912 h49,89 km24 h106,30 km48 h129,77 km

HISTORY

50 race(s) · 3 split(s) nested
DateRacePerf.Rk
2026
16.05 12h USA18th 3 Days at the Fair 12 Hour Race 49.889 km24
2021
20.11 24h USA10th Crooked Road 24 Hour Ultra 51.186 km126
2019
18.05 24h USA11th 3 Days at the Fair 24 Hour Race 49.889 km70
2018
17.11 24h USA8th Crooked Road 24 Hour Ultra 64.373 km109
2017
20.05 24h USA9th 3 Days at the Fair 24 Hour Race 80.467 km44
2016
19.11 24h USA6th Crooked Road 24 Hour Ultra 57.043 km83
12.05 72h USA8th 3 Days at the Fair 72 Hour Race 117.482 km69
2015
14.05 72h USA7th 3 Days at the Fair 72 Hour Race 80.467 km66
2014
22.11 24h USA4th Crooked Road 24 Hour Ultra 56.593 km56
15.05 72h USA6th 3 Days at the Fair 72 Hour Race 177.027 km47
2013
23.11 24h USA3rd Crooked Road 24 Hour Ultra 56.593 km77
2012
17.11 24h USA2nd Crooked Road 24 Hour Ultra 90.243 km21
23.06 50km USA1st Eastern Divide Ultra 7:56:39 h142
11.05 48h USA3rd 3 Days at the Fair 48 Hour Race 104.913 km17
31.03 50mi USA18th Umstead Endurance Run 50 Miles 13:19:09 h73
04.02 8h USA7th 8 Hour Adventure Trail Run 51.499 km67
07.01 50km USA13th Salem Lakeshore Frosty Fifty 6:37:11 h110
2011
19.11 24h USA1st Crooked Road 24 Hour Ultra 102.480 km17
13.05 48h USA2nd 3 Days at the Fair 48 Hour Race 129.766 km23
02.04 50mi USA17th Umstead Endurance Run 50 Miles 12:16:01 h58
2010
15.05 24h USA1st 3 Days at the Fair 24 Hour Race 106.298 km11
2009
19.09 24h USA4th Hinson Lake 24 Hour Ultra Classic 85.617 km66
04.04 50mi USA15th Umstead Endurance Run 50 Miles 13:35:36 h88
10.01 50km USA10th Salem Lakeshore Frosty Fifty 6:15:16 h104
2007
06.01 50km USA8th Salem Lakeshore Frosty Fifty 4:20:41 h21
2006
16.12 50km USA11th Magnus Gluteus Maximus 50 km 6:48:00 h57
06.05 50km USA8th Capon Valley 50K Run 5:33:55 h34
08.04 100mi USA12th Umstead Endurance Run 100 Miles 20:58:09 h11
11.02 50km USA11th Holiday Lake 50K++ 5:57:13 h68
07.01 50km USA7th Salem Lakeshore Frosty Fifty 4:22:41 h23
2005
14.05 50km USA7th Capon Valley 50K Run 6:48:00 h85
02.04 50mi USA11th Umstead Endurance Run 50 Miles 10:21:44 h30
19.02 50km USA1st 50km Silver Comet Ultra Run 5:05:17 h33
08.01 50km USA6th Salem Lakeshore Frosty Fifty 4:30:26 h22
2004
11.12 50km USA9th Magnus Gluteus Maximus - Ponga Craka 50 km 7:07:00 h41
12.06 40mi USA2nd Highlands Sky 40M Trail Run 10:25:47 h72
29.05 50mi USA3rd Old Dominion Memorial Day Race 50 Mile 8:07:00 h8
15.05 50km USA6th Capon Valley 50K Run 4:58:49 h39
24.04 50km USA4th Promise Land 50K++ 7:58:33 h121
03.04 100mi USA10th Umstead Endurance Run 100 Miles 23:33:01 h42
10.01 50km USA5th Salem Lakeshore Frosty Fifty 4:45:52 h13
2003
14.06 40mi USA1st Highlands Sky 40M Trail Run 10:28:48 h62
17.05 50km USA5th Capon Valley 50K Run 5:13:23 h66
05.04 50mi USA9th Umstead Endurance Run 50 Miles 11:29:34 h41
2002
23.11 50mi USA40th JFK 50 Mile 9:40:38 h248
10.08 50km USA7th Catoctin 50k Trail Run 8:46:45 h77
18.05 50km USA4th Capon Valley 50K Run 5:19:06 h47
05.01 50km USA3rd Salem Lakeshore Frosty Fifty 5:14:13 h20
2001
01.12 50mi USA9th Kentucky Arches 50 Mile 9:56:29 h46
19.05 50km USA3rd Capon Valley 50K Run 5:40:52 h62