Robert Jiroutek

Born : 1971 Cat. M55 Ultrarunner since 2009

DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.

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

Countries visited ?

United States

24,7%

Rank quotient ?This runner's calculation uses 4 eligible race(s): Σ(rank − 1) = 139; Σ finishers = 563. 139 / 563 × 100 = 24.69%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed4

Km — ultra races291 km

Longest race80,5 km

1st The Hennepin Hundred - 50 Mile Run — 12/9/2015

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Trail100,0%

Records

50 km5h02'05 50 mi9h11'58

HISTORY

4 race(s)

Date		Race	Perf.	Rk
2015
12.09	50mi	1st The Hennepin Hundred - 50 Mile Run	9:45:39 h	18
2013
15.09	50km	6th Endurance Challenge - Wisconsin Trail 50 km	5:02:05 h	45
2011
27.08	50mi	12th North Country Trail Run 50 Mile	10:35:01 h	64
2009
25.07	50mi	28th Minnesota Voyageur Trail 50 Mile Ultra	9:11:58 h	16

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	12/9/2015	1st The Hennepin Hundred - 50 Mile Run	80,47	×5
✓ 2	27/8/2011	12th North Country Trail Run 50 Mile	80,47	×5
✓ 3	25/7/2009	28th Minnesota Voyageur Trail 50 Mile Ultra	80,47	×5
✓ 4	15/9/2013	6th Endurance Challenge - Wisconsin Trail 50 km	50,00	×3