Robert Root
ID 167659
Born : 1959 Cat. M65 Ultrarunner since 2010 USA
25
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
29
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
93,5%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 5 753; Σ finishers = 6 153. 5 753 / 6 153 × 100 = 93.50%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed25
Km — ultra races1 362 km
Longest race80,5 km
40th American River 50 Mile Endurance Run — 6/4/2019

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road7,3%
Trail92,7%

Records

50 km6h56'5150 mi12h25'59

HISTORY

25 race(s)
DateRacePerf.Rk
2019
30.11 28mi USA35th Quad Dipsea Trail Run 9:23:41 h274
21.09 50km USA9th Coastal 50 km Trail Run 9:44:51 h65
04.08 50km USA38th Skyline 50k Endurance Run 8:04:08 h142
18.05 50km USA7th San Francisco 50 km Endurance Run 8:51:02 h42
06.04 50mi USA40th American River 50 Mile Endurance Run 13:55:05 h360
2018
24.11 28mi USA34th Quad Dipsea Trail Run 8:45:57 h259
21.07 55km USA17th Tahoe Rim Trail 55km Endurance Run 11:04:16 h106
17.02 50km USA6th FOURmidable 50K 8:01:08 h141
2017
25.11 28mi USA33rd Quad Dipsea Trail Run 9:19:30 h298
18.02 50km USA5th FOURmidable 50K 9:04:16 h179
2016
08.10 50km USA8th Skyline to the Sea 50km 8:25:58 h134
07.08 50km USA35th Skyline 50k Endurance Run 8:45:38 h164
16.07 50mi USA15th Tahoe Rim Trail 50M Endurance Run 18:40:24 h141
2015
28.11 28mi USA31st Quad Dipsea Trail Run 9:25:37 h278
08.08 50km USA34th Skyline 50k Endurance Run 7:57:43 h150
18.07 55km USA14th Tahoe Rim Trail 55km Endurance Run 11:04:15 h119
07.03 50km USA26th Way Too Cool 50K Endurance Run 8:00:20 h920
2014
03.08 50km USA33rd Skyline 50k Endurance Run 7:51:19 h165
2013
11.05 50km USA30th Quicksilver 50 km Endurance Run 8:37:42 h108
06.04 50mi USA34th American River 50 Mile Endurance Run 12:27:05 h756
2012
18.08 50km USA3rd Redwood Summer Trail Run 9:16:29 h15
12.08 50km USA31st Skyline 50k Endurance Run 7:49:30 h199
07.04 50mi USA33rd American River 50 Mile Endurance Run 12:25:59 h627
04.02 50km USA34th Jed Smith Ultra Classic - 50 km Race 6:56:51 h77
2010
06.02 50km USA32nd Jed Smith Ultra Classic - 50 km Race 7:06:45 h59