Izumi Yamamoto
ID 85473
Born : 1942 Cat. W80 Ultrarunner since 1985 JPN
22
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
60
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
2
Countries visited ?MARMoroccoUSAUnited States
64,1%
Rank quotient ?This runner's calculation uses 22 eligible race(s): Σ(rank − 1) = 658; Σ finishers = 1 027. 658 / 1 027 × 100 = 64.07%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed27
Km — ultra races4 375 km
> 100 km12
> 160 km7
> 200 km4
> 24h7
> 48h1
Longest race1 327,7 km
1st Sri Chinmoy Ultra Trio 1300,1000,700 Mile Race — 5/6/1987

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road93,4%
Trail1,8%
Stage4,8%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F2
🏅 Top 30
🏅 Top 3 F15
Longest winning streak0
Current streak0

Records

100 km11h10'1350 mi8h07'07100 mi21h11'5624 h164,15 km6 d562,06 km

HISTORY

26 race(s) · 11 split(s) nested
DateRacePerf.Rk
1995
11.09 48h USA9th Sri Chinmoy Ultra Trio 1300 Mile Race - 48h Split 164.153 km3 🥉
11.09 6d USA9th Sri Chinmoy Ultra Trio 1300 Mile Race - 6d Split 505.334 km3 🥉
25.02 60km USA16th NYRR Knickerbocker 60K 6:28:29 h34
1994
12.09 48h USA8th Sri Chinmoy Ultra Trio 1300 Mile Race - 48h Split 199.558 km5
12.09 6d USA8th Sri Chinmoy Ultra Trio 1300 Mile Race - 6d Split 563.270 km5
1992
21.06 6d USA13th Edward Payson Weston Six Day Track Race 562.063 km8
22.02 50mi USA21st Metropolitan 50 Mile Race 8:44:37 h34
1990
27.10 100km USAIAU 100km WC Duluth (8th Edmund Fitzgerald 100K Road Race) 11:10:13 h95
29.09 24h USAMegan's Run 24 Hour 161.006 km22
15.09 24h USA13th Sri Chinmoy 24 Hour Race 143.231 km21
10.03 50mi USA3rd Sri Chinmoy 50 Mile Queens 8:46:09 h18
1989
03.09 24h USAMusic City 24 Hour 114.400 km7
19.03 209km/6stages MAR4. Marathon des Sables 34:21:00 h94
1988
22.10 50mi USA6th Mountain Masochist 50 Mile Trail Run 11:16:09 h99
17.09 24h USAAtlanta Track Club 24 Hour Run, TAC NC 24h 131.565 km49
05.03 60km USA10th NYRR Knickerbocker 60K 6:10:42 h36
1987
17.10 50mi USA17th Aldo Scandurra 50 Mile Run 8:28:58 h23
05.06 18d USA1st Sri Chinmoy Ultra Trio 1300,1000,700 Mile Race 1327.708 km6
02.05 24h USA9th Sri Chinmoy 24 Hour Race 156.106 km22
07.03 60km USA9th NYRR Knickerbocker 60K 5:45:43 h26
1986
07.11 5d USA2nd Sri Chinmoy 5 Day Race 389.461 km13
11.10 70mi USA6th Sri Chinmoy 70-Mile Race 15:15:37 h9
06.06 100mi USANYRR New York Invitational 100 Mile Run 21:11:56 h21
25.04 24h USA8th Sri Chinmoy 24 Hour Race 164.153 km10
15.03 60km USA8th NYRR Knickerbocker 60K 5:30:13 h15
1985
09.11 50mi USA15th Metropolitan 50 Mile Race 8:07:07 h18