Michael Fenzel

Born : 1976 Cat. M50 Ultrarunner since 2006

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

21,0%

Rank quotient ?This runner's calculation uses 19 eligible race(s): Σ(rank − 1) = 406; Σ finishers = 1 935. 406 / 1 935 × 100 = 20.98%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed19

Km — ultra races1 385 km

> 100 km2

> 160 km1

> 24h1

Longest race160,9 km

3rd High Lonesome 100 Mile — 26/7/2019

Km per year (ultra races)

147

2022

251

2023

2024

184

2025

2026

Race types (share of distance)

Trail93,9%

Elim.6,1%

Wins & podiums (ultra)

🏆 Win1

🏆 Win M1

🏅 Top 33

🏅 Top 3 M3

Longest winning streak1

Current streak0

Records

50 km4h14'37 100 km15h06'11 50 mi8h41'05 100 mi29h18'32 12 h101,39 km Backyard13 loops

HISTORY

19 race(s)

Date		Race	Perf.	Rk
2026
11.04	50km	11th Runamuck 50K	4:14:37 h	15
2025
04.10	Backyard Ultra	7th Bubba's Backyard Ultra	84.490 km	46
16.08	100km	11th Twisted Branch Trail Run	15:06:11 h	30
2023
29.07	100km	9th Never Summer 100k	19:46:01 h	86
06.05	12h	5th White Lake Ultras 12 Hour Race	101.388 km	1 🏆
15.04	50km	10th Runamuck 50K	4:29:31 h	3 🥉
2022
14.05	50km	9th Runamuck 50K	4:48:41 h	6
30.04	12h	4th White Lake Ultras 12 Hour Race	96.560 km	2 🥈
2019
15.09	50km	22nd Pisgah Mountain Trail Race	5:41:58 h	28
26.07	100mi	3rd High Lonesome 100 Mile	29:18:32 h	24
13.04	50km	6th Runamuck 50K	4:15:24 h	10
2018
30.09	50mi	26th Vermont 50 Miles Ultra Run	9:42:14 h	56
30.06	50km	30th Finger Lakes Fifties 50 km Run	6:09:27 h	9
07.04	50km	5th Runamuck 50K	4:23:34 h	14
2017
24.09	50km	25th Vermont 50 km Ultra Run	5:28:31 h	16
2016
25.06	50km	3rd Catamount Ultra Marathon	4:56:27 h	19
2007
30.09	50mi	14th Vermont 50 Miles Ultra Run	8:41:05 h	27
09.09	50km	10th Pisgah Mountain Trail Race	5:06:32 h	17
2006
30.09	50mi	13th Vermont 50 Miles Ultra Run	8:55:01 h	16

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	26/7/2019	3rd High Lonesome 100 Mile	160,93	×4
✓ 2	6/5/2023	5th White Lake Ultras 12 Hour Race	101,39	×3
✓ 3	16/8/2025	11th Twisted Branch Trail Run	100,00	×3
✓ 4	29/7/2023	9th Never Summer 100k	100,00	×3
✓ 5	30/4/2022	4th White Lake Ultras 12 Hour Race	96,56	×2
✓ 6	4/10/2025	7th Bubba's Backyard Ultra	84,49	×2
✓ 7	30/9/2018	26th Vermont 50 Miles Ultra Run	80,47	×2
✓ 8	30/9/2007	14th Vermont 50 Miles Ultra Run	80,47	×2
✓ 9	30/9/2006	13th Vermont 50 Miles Ultra Run	80,47	×2
✓ 10	11/4/2026	11th Runamuck 50K	50,00	×1
✓ 11	15/4/2023	10th Runamuck 50K	50,00	×1
✓ 12	14/5/2022	9th Runamuck 50K	50,00	×1
✓ 13	15/9/2019	22nd Pisgah Mountain Trail Race	50,00	×1
✓ 14	13/4/2019	6th Runamuck 50K	50,00	×1
✓ 15	30/6/2018	30th Finger Lakes Fifties 50 km Run	50,00	×1
✓ 16	7/4/2018	5th Runamuck 50K	50,00	×1
✓ 17	24/9/2017	25th Vermont 50 km Ultra Run	50,00	×1
✓ 18	25/6/2016	3rd Catamount Ultra Marathon	50,00	×1
✓ 19	9/9/2007	10th Pisgah Mountain Trail Race	50,00	×1