Jeff Rock
ID 421128
Born : 1971 Cat. M55 Ultrarunner since 2013 USA
19
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
2
Countries visited ?CANCanadaUSAUnited States
69,5%
Rank quotient ?This runner's calculation uses 19 eligible race(s): Σ(rank − 1) = 1 819; Σ finishers = 2 617. 1 819 / 2 617 × 100 = 69.51%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed19
Km — ultra races2 950 km
> 100 km11
> 160 km10
> 200 km5
Longest race563,3 km
Iditarod Trail Invitational 350 Miles — 24/2/2019

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 32
🏅 Top 3 M2
Longest winning streak0
Current streak0

Records

50 km7h01'1050 mi12h23'03100 mi31h25'28

HISTORY

19 race(s)
DateRacePerf.Rk
2019
27.07 50mi USA38th Minnesota Voyageur Trail 50 Mile Ultra 13:14:54 h188
24.02 350mi USAIditarod Trail Invitational 350 Miles 6d 12:25:00 h5
2018
07.09 100mi USA28th Superior Fall Trail Races 100 Mile 33:52:21 h101
28.07 50mi USA37th Minnesota Voyageur Trail 50 Mile Ultra 12:48:54 h272
29.01 135mi USA13th Arrowhead Winter Ultra 45:01:00 h10
2017
08.09 100mi USA27th Superior Fall Trail Races 100 Mile 31:25:28 h58
29.07 50mi USA36th Minnesota Voyageur Trail 50 Mile Ultra 13:16:10 h236
17.02 100mi CAN1st Actif Epica Ultra Marathon 100 Mile Race 33:56:00 h2 🥈
30.01 135mi USA12th Arrowhead Winter Ultra 2d 00:45:00 h14
06.01 160mi USA8th Tuscobia Winter 160 Mile Ultramarathon 2d 09:35:00 h2 🥈
2015
11.09 100mi USA25th Superior Fall Trail Races 100 Mile 35:30:15 h127
25.07 50mi USA34th Minnesota Voyageur Trail 50 Mile Ultra 13:39:27 h197
16.05 50km USA13th Superior Spring 50 km Trail Race 7:09:52 h110
26.01 135mi USA10th Arrowhead Winter Ultra 2d 05:28:00 h28
2014
05.09 100mi USA24th Superior Fall Trail Races 100 Mile 36:05:35 h103
26.07 50mi USA33rd Minnesota Voyageur Trail 50 Mile Ultra 12:23:03 h140
17.05 50km USA12th Superior Spring 50 km Trail Race 7:01:10 h97
2013
28.12 75mi USA5th Tuscobia Winter 75 Mile Ultramarathon 22:41:00 h4
18.05 50km USA11th Superior Spring 50 km Trail Race 7:48:25 h144