Kazuo (磯村和夫) Isomura
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Born : 1939
Cat. M85 Ultrarunner since 1999
16
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
9
Countries visited ?
Chile
China
Egypt
IcelandJapan
South Korea
Mongolia
Sweden
Vietnam
ChileChinaEgyptIcelandJapanSouth KoreaMongoliaSwedenVietnam46,5%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 2 121; Σ finishers = 4 559. 2 121 / 4 559 × 100 = 46.52%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed37
Km — ultra races2 562 km
> 100 km8
> 160 km7
> 200 km6
Longest race250,0 km
Racing the Planet - Vietnam 2008 — 18/2/2008
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road45,9%
Trail10,0%
Stage44,2%
Records
HISTORY
16 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2008 | ||||
| 18.02 | 250km/6stages | Racing the Planet - Vietnam 2008 |
2d 13:33:36 h | 45 |
| 2006 | ||||
| 29.10 | 250km/6stages | Sahara Race Egypt |
2d 22:06:26 h | 53 |
| 23.07 | 250km/6stages | 2nd Atacama Crossing |
2d 16:41:21 h | 83 |
| 28.05 | 250km/6stages | Gobi March China |
2d 06:44:23 h | 55 |
| 2005 | ||||
| 07.08 | 75km | 12. Ultramarathon Okumusashi |
9:30:24 h | 298 |
| 16.07 | 55km | 9. Laugavegurinn 55 km, Landmannalaugar - Húsadalur |
7:44:19 h | 92 |
| 01.07 | 100km | 7. Lapland Ultra |
12:52:40 h | 27 |
| 02.05 | 250km | 17. Yamaguchi 100 Hagi-O-Kan Maranic 250 km |
46:24:58 h | 129 |
| 2004 | ||||
| 30.05 | 100km | 11th Ebisu-Daikoku 100 km Marathon |
12:05:32 h | 56 |
| 16.05 | 100km | 10th Yatsugatake Nobeyama 100 km |
12:51:38 h | 264 |
| 2003 | ||||
| 19.10 | 100km | 9th River Shimanto 100km |
11:29:31 h | 377 |
| 26.07 | 132km/2stages | Yashagaike Legend Maranic 132 km |
18:36:01 h | 136 |
| 22.03 | 200km | 2nd Jeju-do around 200 km |
31:57:00 h | 28 |
| 2002 | ||||
| 26.06 | 100km | 4th Mongolia Sunrise to Sunset |
17:03:00 h | 10 |
| 02.05 | 250km | 14. Yamaguchi 100 Hagi-O-Kan Maranic 250 km |
43:54:36 h | 30 |
| 1999 | ||||
| 17.10 | 100km | 6th River Shimanto 100km |
12:09:35 h | 454 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 18/2/2008 | Racing the Planet - Vietnam 2008 | 250,00 | ×5 |
| ✓ 2 | 29/10/2006 | Sahara Race Egypt | 250,00 | ×5 |
| ✓ 3 | 23/7/2006 | 2nd Atacama Crossing | 250,00 | ×5 |
| ✓ 4 | 28/5/2006 | Gobi March China | 250,00 | ×5 |
| ✓ 5 | 2/5/2005 | 17. Yamaguchi 100 Hagi-O-Kan Maranic 250 km | 250,00 | ×5 |
| ✓ 6 | 2/5/2002 | 14. Yamaguchi 100 Hagi-O-Kan Maranic 250 km | 250,00 | ×5 |
| ✓ 7 | 22/3/2003 | 2nd Jeju-do around 200 km | 200,00 | ×4 |
| ✓ 8 | 26/7/2003 | Yashagaike Legend Maranic 132 km | 132,00 | ×2 |
| ✓ 9 | 1/7/2005 | 7. Lapland Ultra | 100,00 | ×2 |
| ✓ 10 | 30/5/2004 | 11th Ebisu-Daikoku 100 km Marathon | 100,00 | ×2 |
| ✓ 11 | 16/5/2004 | 10th Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 12 | 19/10/2003 | 9th River Shimanto 100km | 100,00 | ×2 |
| ✓ 13 | 26/6/2002 | 4th Mongolia Sunrise to Sunset | 100,00 | ×2 |
| ✓ 14 | 17/10/1999 | 6th River Shimanto 100km | 100,00 | ×2 |
| ✓ 15 | 7/8/2005 | 12. Ultramarathon Okumusashi | 75,00 | ×1 |
| ✓ 16 | 16/7/2005 | 9. Laugavegurinn 55 km, Landmannalaugar - Húsadalur | 55,00 | ×1 |