Jeffrey Nielsen
ID 47019
Born : 1962 Cat. M60 Ultrarunner since 2005 USA
29
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
48
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
77,0%
Rank quotient ?This runner's calculation uses 29 eligible race(s): Σ(rank − 1) = 3 048; Σ finishers = 3 961. 3 048 / 3 961 × 100 = 76.95%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed29
Km — ultra races2 681 km
> 100 km9
> 160 km9
Longest race160,9 km
33rd Wasatch Front 100 Mile — 7/9/2012

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Trail100,0%

Records

50 km6h58'57100 km20h13'5050 mi11h29'41100 mi27h19'50

HISTORY

29 race(s)
DateRacePerf.Rk
2018
24.03 50km USA13th Antelope Island Buffalo Run 50 km 7:55:47 h108
2017
11.11 50km USA7th Antelope Island Fall Classic 50K 7:29:44 h121
05.08 50km USA11th El Vaquero Loco 50K Mountain Race 10:56:49 h91
2015
08.08 50km USA9th El Vaquero Loco 50K Mountain Race 9:53:50 h84
06.06 50mi USA3rd Bryce 50 Mile Trail Run 15:40:14 h115
21.03 50km USA10th Antelope Island Buffalo Run 50 km 7:33:07 h133
2014
09.08 50km USA8th El Vaquero Loco 50K Mountain Race 10:19:22 h94
14.06 50mi USA2nd Bryce 50 Mile Trail Run 14:46:37 h101
22.03 50mi USA9th Antelope Island Buffalo Run 50 Mile 13:06:09 h110
2013
10.08 50km USA7th El Vaquero Loco 50K Mountain Race 9:18:44 h55
27.07 50km USA6th Speedgoat 50k 10:40:07 h239
31.05 100km USA1st Bryce 100 km Trail Run 20:13:50 h19
2012
07.09 100mi USA33rd Wasatch Front 100 Mile 34:38:30 h185
11.08 50km USA6th El Vaquero Loco 50K Mountain Race 8:52:34 h45
28.07 50km USA5th Speedgoat 50k 10:01:41 h174
02.06 50mi USA3rd Pocatello 50 Mile Trail Run 15:28:02 h92
24.03 50mi USA7th Antelope Island Buffalo Run 50 Mile 11:29:41 h86
2011
12.11 100mi USA9th Javelina Jundred 100 Mile Endurance Run 27:19:50 h110
26.03 50km USA6th Antelope Island Buffalo Run 50 km 7:15:59 h139
2010
10.09 100mi USA31st Wasatch Front 100 Mile 33:16:48 h119
31.07 50km USA3rd Speedgoat 50k 9:53:47 h117
18.06 100mi USA19th Bighorn Mountain Wild & Scenic 100 Mile Trail Run 33:29:23 h88
27.03 50km USA5th Antelope Island Buffalo Run 50 km 6:58:57 h113
2008
06.09 100mi USA29th Wasatch Front 100 Mile 33:17:02 h108
11.07 100mi USA15th Hardrock Hundred Endurance Run 44:36:10 h73
07.06 50mi USA12th Snow Peaks 50 Mile Trail Run 13:36:50 h98
2007
28.09 100mi USA9th The Bear 100 Mile Endurance Run 32:56:00 h53
2006
09.09 100mi USA27th Wasatch Front 100 Mile 33:55:10 h108
2005
10.09 100mi USA26th Wasatch Front 100 Mile 33:39:46 h99