Kazuhiro (北島一広) Kitajima
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16
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
35
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
67,6%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 6 521; Σ finishers = 9 648. 6 521 / 9 648 × 100 = 67.59%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 409 km
> 100 km6
> 160 km1
Longest race200,0 km
12th Little Edo Oedo 200k — 12/3/2022
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road45,0%
Trail55,0%
Records
No record for a classic ultra format
HISTORY
16 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 14.03 | 115km | 18:35:36 h | 103 | |
| 2023 | ||||
| 10.12 | 70km | 11:54:56 h | 732 | |
| 18.11 | 106km | 28:40:05 h | 311 | |
| 2022 | ||||
| 11.12 | 70km | 13:35:24 h | 1254 | |
| 12.03 | 200km | 35:39:27 h | 181 | |
| 2021 | ||||
| 12.12 | 69.1km | 11:34:24 h | 699 | |
| 20.11 | 106km | 27:09:13 h | 332 | |
| 2020 | ||||
| 13.12 | 66km | 11:37:15 h | 736 | |
| 22.02 | 115km | 18:26:54 h | 103 | |
| 2018 | ||||
| 09.12 | 71.7km | 12:41:58 h | 831 | |
| 29.04 | 46km | 6:17:45 h | 27 | |
| 2017 | ||||
| 10.12 | 71.7km | 13:07:32 h | 882 | |
| 29.04 | 49km | 6:19:33 h | 90 | |
| 04.03 | 113km | 17:29:13 h | 54 | |
| 2016 | ||||
| 29.04 | 49km | 7:22:35 h | 143 | |
| 05.03 | 91km | 13:29:32 h | 59 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 12/3/2022 | 12th Little Edo Oedo 200k | 200,00 | ×5 |
| ✓ 2 | 14/3/2026 | 16th Oedo Night run 115k | 115,00 | ×3 |
| ✓ 3 | 22/2/2020 | 10th Oedo Night run 115k | 115,00 | ×3 |
| ✓ 4 | 4/3/2017 | 7th Oedo Night run 113k | 113,00 | ×3 |
| ✓ 5 | 18/11/2023 | 9th FunTrails100K Round | 106,00 | ×3 |
| ✓ 6 | 20/11/2021 | 7th FunTrails100K Round | 106,00 | ×3 |
| ✓ 7 | 5/3/2016 | 6th Little Edo 91km | 91,00 | ×2 |
| ✓ 8 | 9/12/2018 | 5th Izu Trail Journey | 71,70 | ×2 |
| ✓ 9 | 10/12/2017 | 4th Izu Trail Journey | 71,70 | ×2 |
| ✓ 10 | 10/12/2023 | 10th Izu Trail Journey | 70,00 | ×2 |
| ✓ 11 | 11/12/2022 | 9th Izu Trail Journey | 70,00 | ×2 |
| ✓ 12 | 12/12/2021 | 8th Izu Trail Journey | 69,10 | ×1 |
| ✓ 13 | 13/12/2020 | 7th Izu Trail Journey | 66,00 | ×1 |
| ✓ 14 | 29/4/2017 | 10th Ishioka Trail Run | 49,00 | ×1 |
| ✓ 15 | 29/4/2016 | 9th Ishioka Trail Run | 49,00 | ×1 |
| ✓ 16 | 29/4/2018 | 11th Ishioka Trail Run | 46,00 | ×1 |