Michael Benci

Born : 1987 Cat. M35 Ultrarunner since 2013

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 ?

France

Germany

Italy

South Africa

Switzerland

United States

33,0%

Rank quotient ?This runner's calculation uses 24 eligible race(s): Σ(rank − 1) = 18 674; Σ finishers = 56 556. 18 674 / 56 556 × 100 = 33.02%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed24

Km — ultra races1 946 km

> 100 km5

> 160 km2

> 24h2

Longest race170,0 km

20ème Ultra Trail Tour du Mont Blanc (UTMB) — 1/9/2023

Km per year (ultra races)

2022

482

2023

114

2024

254

2025

2026

Race types (share of distance)

Road18,0%

Trail71,7%

Elim.10,3%

Wins & podiums (ultra)

🏆 Win0

🏆 Win M0

🏅 Top 31

🏅 Top 3 M1

Longest winning streak0

Current streak0

Records

100 km18h13'20 100 mi25h40'50 Backyard15 loops

HISTORY

24 race(s)

Date		Race	Perf.	Rk
2025
20.09	53km	4th Wildstrubel by UTMB - 50K	12:33:03 h	1211
09.08	100km	8. Swiss Alps 100 - 100km	18:13:20 h	28
15.03	Backyard Ultra	1. Backyard Ultra The Last Lap - Goldach	100.590 km (15h)	6
2024
08.06	54km	K54 Scenic Trail	7:47:13 h	20
02.03	60km	1st Pass2Pass Ultra-Trail	6:56:29 h	20
2023
01.09	170km	20ème Ultra Trail Tour du Mont Blanc	31:52:39 h	238
17.06	45km	11. Zugspitz Mittenwald Trail	4:45:17 h	16
28.04	100mi	10th The Canyons Endurance 100 Miles Run	25:40:50 h	40
25.03	106km	Lake Zuri 100 Endurance Run	13:37:33 h	28
2021
25.06	Backyard Ultra	2. Witiker Backyard Ultra	100.590 km (15h)	31
05.06	51km	3ème Swiss Canyon Trail 51K	4:44:45 h	54
2020
13.09	72km	L'Infernal Trail Des Vosges 72km	9:15:31 h	43
2019
13.07	61km	DoloMyths Run Sellaronda Ultratrail	7:35:57 h	12
08.06	51km	2ème Swiss Canyon Trail K45	5:08:03 h	19
2018
28.07	85km	6. Swissalpine Irontrail T88	11:37:04 h	23
07.07	45km	Helveticman Trail 45	5:56:24 h	2 🥈
2017
29.07	77km	32. Swiss Alpine Marathon K78	9:50:32 h	156
04.06	87km	92nd Comrades Marathon - Up Run	11:30:51 h	10600
2015
11.07	52km	27th Rhodes 52 km Trail Run	6:19:13 h	30
31.05	87km	90th Comrades Marathon - Up Run	8:38:52 h	1421
2014
18.10	100km	1st Cederberg Traverse 100 km	20:40:26 h	11
12.07	52km	26th Rhodes 52 km Trail Run	5:16:38 h	4
01.06	89km	89th Comrades Marathon - Down Run	8:56:12 h	2211
2013
02.06	87km road race	88th Comrades Marathon - Up Run	9:37:28 h	2474

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	1/9/2023	20ème Ultra Trail Tour du Mont Blanc (UTMB)	170,00	×4
✓ 2	28/4/2023	10th The Canyons Endurance 100 Miles Run	160,93	×4
✓ 3	25/3/2023	Lake Zuri 100 Endurance Run	106,00	×2
✓ 4	15/3/2025	1. Backyard Ultra The Last Lap - Goldach	100,59	×2
✓ 5	25/6/2021	2. Witiker Backyard Ultra	100,59	×2
✓ 6	9/8/2025	8. Swiss Alps 100 - 100km	100,00	×2
✓ 7	18/10/2014	1st Cederberg Traverse 100 km	100,00	×2
✓ 8	1/6/2014	89th Comrades Marathon - Down Run	89,00	×2
✓ 9	4/6/2017	92nd Comrades Marathon - Up Run	87,00	×2
✓ 10	31/5/2015	90th Comrades Marathon - Up Run	87,00	×2
✓ 11	2/6/2013	88th Comrades Marathon - Up Run (RSA)	87,00	×2
✓ 12	28/7/2018	6. Swissalpine Irontrail T88	85,00	×2
✓ 13	29/7/2017	32. Swiss Alpine Marathon K78	77,00	×1
✓ 14	13/9/2020	L'Infernal Trail Des Vosges 72km	72,00	×1
✓ 15	13/7/2019	DoloMyths Run Sellaronda Ultratrail	61,00	×1
✓ 16	2/3/2024	1st Pass2Pass Ultra-Trail	60,00	×1
✓ 17	8/6/2024	K54 Scenic Trail	54,00	×1
✓ 18	20/9/2025	4th Wildstrubel by UTMB - 50K	53,00	×1
✓ 19	11/7/2015	27th Rhodes 52 km Trail Run	52,00	×1
✓ 20	12/7/2014	26th Rhodes 52 km Trail Run	52,00	×1
✓ 21	5/6/2021	3ème Swiss Canyon Trail 51K	51,00	×1
✓ 22	8/6/2019	2ème Swiss Canyon Trail K45	51,00	×1
✓ 23	17/6/2023	11. Zugspitz Mittenwald Trail	45,00	×1
✓ 24	7/7/2018	Helveticman Trail 45	45,00	×1