Katsuteru (小泉勝輝) Koizumi
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Born : 1967
Cat. M55 Ultrarunner since 2014
13
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
24
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
1
Countries visited ?Japan
Japan70,8%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 1 927; Σ finishers = 2 722. 1 927 / 2 722 × 100 = 70.79%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races641 km
Longest race53,4 km
15th OSJ Adatara Trail 50K — 4/9/2022
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2022 | ||||
| 04.09 | 53.4km | 15th OSJ Adatara Trail 50K |
11:53:47 h | 162 |
| 2019 | ||||
| 01.09 | 50km | 12th OSJ Adatara Trail 50K |
13:37:01 h | 164 |
| 2018 | ||||
| 02.09 | 50km | 11th OSJ Adatara Trail 50K |
14:29:47 h | 233 |
| 29.04 | 46km | 11th Ishioka Trail Run |
6:11:12 h | 21 |
| 2017 | ||||
| 27.05 | 50km | 9th OSJ Okukuji Trail 50k |
12:49:21 h | 242 |
| 29.04 | 49km | 10th Ishioka Trail Run |
6:06:50 h | 77 |
| 2016 | ||||
| 11.09 | 50km | 9th OSJ Adatara Trail 50K |
11:29:25 h | 183 |
| 28.08 | 48km | 3rd Tsukuba Renjyo 48 km Road & Trail Run |
7:44:47 h | 169 |
| 29.04 | 49km | 9th Ishioka Trail Run |
7:07:56 h | 134 |
| 2015 | ||||
| 13.09 | 50km | 8th OSJ Adatara Trail 50K |
10:47:58 h | 123 |
| 30.08 | 48km | 2nd Tsukuba Renjyo 48 km Road & Trail Run |
6:19:58 h | 94 |
| 30.05 | 50km | 7th OSJ Okukuji Trail 50k |
13:29:56 h | 275 |
| 2014 | ||||
| 31.08 | 48km | 1st Tsukuba Renjyo 48 km Road & Trail Run |
6:38:27 h | 63 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 4/9/2022 | 15th OSJ Adatara Trail 50K | 53,40 | ×2 |
| ✓ 2 | 1/9/2019 | 12th OSJ Adatara Trail 50K | 50,00 | ×2 |
| ✓ 3 | 2/9/2018 | 11th OSJ Adatara Trail 50K | 50,00 | ×2 |
| ✓ 4 | 27/5/2017 | 9th OSJ Okukuji Trail 50k | 50,00 | ×2 |
| ✓ 5 | 11/9/2016 | 9th OSJ Adatara Trail 50K | 50,00 | ×2 |
| ✓ 6 | 13/9/2015 | 8th OSJ Adatara Trail 50K | 50,00 | ×2 |
| ✓ 7 | 30/5/2015 | 7th OSJ Okukuji Trail 50k | 50,00 | ×2 |
| ✓ 8 | 29/4/2017 | 10th Ishioka Trail Run | 49,00 | ×2 |
| ✓ 9 | 29/4/2016 | 9th Ishioka Trail Run | 49,00 | ×2 |
| ✓ 10 | 28/8/2016 | 3rd Tsukuba Renjyo 48 km Road & Trail Run | 48,00 | ×2 |
| ✓ 11 | 30/8/2015 | 2nd Tsukuba Renjyo 48 km Road & Trail Run | 48,00 | ×2 |
| ✓ 12 | 31/8/2014 | 1st Tsukuba Renjyo 48 km Road & Trail Run | 48,00 | ×2 |
| ✓ 13 | 29/4/2018 | 11th Ishioka Trail Run | 46,00 | ×1 |