Koichi (川島孝一) Kawashima
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Born : 1983
Cat. M40 Ultrarunner since 2013
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
36
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
5
Countries visited ?
ChileJapan
Morocco
Mongolia
Peru
ChileJapanMoroccoMongoliaPeru73,8%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 3 114; Σ finishers = 4 218. 3 114 / 4 218 × 100 = 73.83%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed33
Km — ultra races1 536 km
> 100 km5
> 160 km5
> 200 km5
Longest race250,0 km
18th Gobi March Mongolia — 23/6/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road19,5%
Stage80,5%
Records
HISTORY
8 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2024 | ||||
| 23.06 | 250km/6stages | 18th Gobi March Mongolia |
2d 18:14:23 h | 100 |
| 2019 | ||||
| 19.10 | 100km | 4th Iki 100 km Ultra Marathon |
12:53:12 h | 163 |
| 2018 | ||||
| 20.10 | 100km | 3rd Iki 100 km Ultra Marathon |
10:55:12 h | 66 |
| 2017 | ||||
| 28.11 | 242km/6stages | Marathon des Sables Peru |
2d 19:54:41 h | 216 |
| 2016 | ||||
| 02.10 | 250km/6stages | 12th Atacama Crossing |
2d 23:21:46 h | 100 |
| 2015 | ||||
| 04.10 | 250km/6stages | 11th Atacama Crossing |
2d 22:34:04 h | 126 |
| 2014 | ||||
| 06.04 | 244km/6stages | 29. Marathon des Sables |
3d 00:08:31 h | 911 |
| 2013 | ||||
| 30.06 | 100km road race | 28. Lake Saroma 100 km Ultramarathon |
12:23:55 h | 1440 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 23/6/2024 | 18th Gobi March Mongolia | 250,00 | ×6 |
| ✓ 2 | 2/10/2016 | 12th Atacama Crossing | 250,00 | ×6 |
| ✓ 3 | 4/10/2015 | 11th Atacama Crossing | 250,00 | ×6 |
| ✓ 4 | 6/4/2014 | 29. Marathon des Sables | 244,00 | ×6 |
| ✓ 5 | 28/11/2017 | Marathon des Sables Peru | 242,00 | ×6 |
| ✓ 6 | 19/10/2019 | 4th Iki 100 km Ultra Marathon | 100,00 | ×2 |
| ✓ 7 | 20/10/2018 | 3rd Iki 100 km Ultra Marathon | 100,00 | ×2 |
| ✓ 8 | 30/6/2013 | 28. Lake Saroma 100 km Ultramarathon (JPN) | 100,00 | ×2 |