Katsuhiro (駒場勝浩) Komaba
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Born : 1964
Cat. M60 Ultrarunner since 2016
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
22
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
Japan50,6%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 2 837; Σ finishers = 5 610. 2 837 / 5 610 × 100 = 50.57%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races545 km
Longest race100,0 km
4th Tokyo Shibamata 100 km — 5/6/2016
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road47,0%
Trail53,0%
Records
HISTORY
8 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2022 | ||||
| 23.04 | 69km | 1st KAI 69k |
15:33:40 h | 233 |
| 2021 | ||||
| 25.04 | 50km | 14th Ishioka Trail Run |
6:03:57 h | 98 |
| 2019 | ||||
| 21.09 | 75km | 6th SkyView Ultra-Trail 70 - Yamada Noboru Memorial Cup |
17:53:29 h | 252 |
| 02.06 | 78km | 26. Ultramarathon Okumusashi |
9:40:28 h | 744 |
| 28.04 | 49km | 12th Ishioka Trail Run |
7:17:12 h | 153 |
| 2018 | ||||
| 03.06 | 78km | 25. Ultramarathon Okumusashi |
9:55:47 h | 675 |
| 29.04 | 46km | 11th Ishioka Trail Run |
7:02:10 h | 72 |
| 2016 | ||||
| 05.06 | 100km | 4th Tokyo Shibamata 100 km |
12:25:41 h | 618 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 5/6/2016 | 4th Tokyo Shibamata 100 km | 100,00 | ×4 |
| ✓ 2 | 2/6/2019 | 26. Ultramarathon Okumusashi | 78,00 | ×3 |
| ✓ 3 | 3/6/2018 | 25. Ultramarathon Okumusashi | 78,00 | ×3 |
| ✓ 4 | 21/9/2019 | 6th SkyView Ultra-Trail 70 - Yamada Noboru Memorial Cup | 75,00 | ×3 |
| ✓ 5 | 23/4/2022 | 1st KAI 69k | 69,00 | ×3 |
| ✓ 6 | 25/4/2021 | 14th Ishioka Trail Run | 50,00 | ×2 |
| ✓ 7 | 28/4/2019 | 12th Ishioka Trail Run | 49,00 | ×2 |
| ✓ 8 | 29/4/2018 | 11th Ishioka Trail Run | 46,00 | ×2 |