Michael Tietz

Born : 1986 Cat. M40 Ultrarunner since 2008

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

45,3%

Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 1 496; Σ finishers = 3 304. 1 496 / 3 304 × 100 = 45.28%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed14

Km — ultra races822 km

Longest race80,5 km

20th Bull Run Run 50 Miler — 14/4/2012

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Trail100,0%

Records

50 km4h54'46 50 mi10h12'42

HISTORY

14 race(s)

Date		Race	Perf.	Rk
2014
22.03	50km	7th Terrapin Mountain 50 km Race	7:00:55 h	167
2012
14.04	50mi	20th Bull Run Run 50 Miler	10:12:42 h	135
11.02	50km	17th Holiday Lake 50K++	6:14:56 h	223
2011
05.11	50mi	29th Mountain Masochist 50 Mile Trail Run	11:29:28 h	185
04.06	50mi	4th Endurance Challenge - Washington D.C. Trail 50 Miles	11:30:34 h	164
23.04	50km	11th Promise Land 50K++	7:38:05 h	164
26.03	50km	4th Terrapin Mountain 50 km Race	6:58:31 h	110
12.02	50km	16th Holiday Lake 50K++	5:10:10 h	73
2010
13.02	50km	15th Holiday Lake 50K++	5:57:56 h	38
2009
28.08	50mi	2nd Cheat Mountain Moonshine Madness 50 Mile Trail Run	10:54:13 h	24
25.04	50km	9th Promise Land 50K++	6:24:23 h	36
28.03	50km	2nd Terrapin Mountain 50 km Race	6:20:18 h	62
14.02	50km	14th Holiday Lake 50K++	4:54:46 h	39
2008
16.02	50km	13th Holiday Lake 50K++	5:32:42 h	90

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	14/4/2012	20th Bull Run Run 50 Miler	80,47	×3
✓ 2	5/11/2011	29th Mountain Masochist 50 Mile Trail Run	80,47	×3
✓ 3	4/6/2011	4th Endurance Challenge - Washington D.C. Trail 50 Miles	80,47	×3
✓ 4	28/8/2009	2nd Cheat Mountain Moonshine Madness 50 Mile Trail Run	80,47	×3
✓ 5	22/3/2014	7th Terrapin Mountain 50 km Race	50,00	×2
✓ 6	11/2/2012	17th Holiday Lake 50K++	50,00	×2
✓ 7	23/4/2011	11th Promise Land 50K++	50,00	×2
✓ 8	26/3/2011	4th Terrapin Mountain 50 km Race	50,00	×2
✓ 9	12/2/2011	16th Holiday Lake 50K++	50,00	×2
✓ 10	13/2/2010	15th Holiday Lake 50K++	50,00	×2
✓ 11	25/4/2009	9th Promise Land 50K++	50,00	×2
✓ 12	28/3/2009	2nd Terrapin Mountain 50 km Race	50,00	×2
✓ 13	14/2/2009	14th Holiday Lake 50K++	50,00	×2
✓ 14	16/2/2008	13th Holiday Lake 50K++	50,00	×2