Michael Kasser

Born : 1941 Cat. M85 Ultrarunner since 1981

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

51,6%

Rank quotient ?This runner's calculation uses 18 eligible race(s): Σ(rank − 1) = 423; Σ finishers = 820. 423 / 820 × 100 = 51.59%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed18

Km — ultra races1 546 km

> 100 km3

> 160 km1

Longest race160,9 km

NYRR New York Invitational 100 Mile Run — 5/6/1982

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road90,3%

Trail9,7%

Records

100 km9h31'03 50 mi7h05'11 100 mi17h45'43 12 h119,09 km

HISTORY

18 race(s) · 1 split(s) nested

Date		Race	Perf.	Rk
1987
17.10	50mi	17th Aldo Scandurra 50 Mile Run	8:16:13 h	22
1984
10.11	50mi	14th Metropolitan 50 Mile Race	7:05:11 h	8
18.08	12h	3rd Crocheron 12 Hour Run	119.085 km	7
26.05	40mi	5th Forest Park 40 Mile	5:21:58 h	9
29.04	50mi	11th Lake Waramaug 50mi Ultra Marathon	7:09:02 h	14
18.03	60km	6th NYRR Knickerbocker 60K	4:32:22 h	15
1983
25.06	93.5mi	10th Western States 100 Mile Endurance Run	25:58:00 h	123
22.05	50mi	13th Metropolitan 50 Mile Race	7:37:07 h	30
19.03	60km	5th NYRR Knickerbocker 60K	4:56:45 h	16
1982
18.12	50mi	Valley Stream 50 Miler	7:14:05 h	14
22.11	100km	Metropolitan 100 km	10:29:07 h	6
10.07	60km	Prospect Park 60 km	5:43:42 h	13
05.06	100mi	NYRR New York Invitational 100 Mile Run	17:45:43 h	16
29.05	40mi	3rd Forest Park 40 Mile	5:41:42 h	32
1981
22.11	100km	Metropolitan 100 km	9:31:03 h	15
22.11	50mi	Metropolitan 100 km - 50mi Split	7:35:37 h	15
10.10	50mi	11th Metropolitan 50 Mile Race	7:24:36 h	21
05.09	40mi	2nd Forest Park 40 Mile	5:34:22 h	37
07.03	60km	4th NYRR Knickerbocker 60K	5:33:43 h	43

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Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	5/6/1982	NYRR New York Invitational 100 Mile Run	160,93	×4
✓ 2	25/6/1983	10th Western States 100 Mile Endurance Run	150,47	×4
✓ 3	18/8/1984	3rd Crocheron 12 Hour Run	119,09	×3
✓ 4	22/11/1982	Metropolitan 100 km	100,00	×2
✓ 5	22/11/1981	Metropolitan 100 km	100,00	×2
✓ 6	17/10/1987	17th Aldo Scandurra 50 Mile Run	80,47	×2
✓ 7	10/11/1984	14th Metropolitan 50 Mile Race	80,47	×2
✓ 8	29/4/1984	11th Lake Waramaug 50mi Ultra Marathon	80,47	×2
✓ 9	22/5/1983	13th Metropolitan 50 Mile Race	80,47	×2
✓ 10	18/12/1982	Valley Stream 50 Miler	80,47	×2
✓ 11	10/10/1981	11th Metropolitan 50 Mile Race	80,47	×2
✓ 12	26/5/1984	5th Forest Park 40 Mile	64,37	×1
✓ 13	29/5/1982	3rd Forest Park 40 Mile	64,37	×1
✓ 14	5/9/1981	2nd Forest Park 40 Mile	64,37	×1
✓ 15	18/3/1984	6th NYRR Knickerbocker 60K	60,00	×1
✓ 16	19/3/1983	5th NYRR Knickerbocker 60K	60,00	×1
✓ 17	10/7/1982	Prospect Park 60 km	60,00	×1
✓ 18	7/3/1981	4th NYRR Knickerbocker 60K	60,00	×1