Yuki (岡島由紀) Okajima
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Born : 1967
Cat. W55 Ultrarunner since 2004
14
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
29
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
Japan20,4%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 1 332; Σ finishers = 6 526. 1 332 / 6 526 × 100 = 20.41%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races880 km
Longest race100,0 km
15th River Shimanto 100km — 18/10/2009
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
14 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 19.10 | 60km | 31th River Shimanto 60km |
6:34:10 h | 65 |
| 2024 | ||||
| 20.10 | 60km | 30th River Shimanto 60km |
6:23:44 h | 79 |
| 2019 | ||||
| 20.10 | 60km | 25th River Shimanto 60km |
6:02:35 h | 58 |
| 2018 | ||||
| 21.10 | 60km | 24th River Shimanto 60km |
5:48:32 h | 43 |
| 2017 | ||||
| 15.10 | 60km | 23rd River Shimanto 60km |
6:07:01 h | 69 |
| 2016 | ||||
| 16.10 | 60km | 22nd River Shimanto 60km |
6:20:18 h | 77 |
| 2014 | ||||
| 19.10 | 60km | 20th River Shimanto 60km |
6:24:55 h | 63 |
| 2011 | ||||
| 16.10 | 60km | 17th River Shimanto 60km |
6:09:01 h | 42 |
| 2010 | ||||
| 17.10 | 60km | 16th River Shimanto 60km |
6:11:04 h | 48 |
| 2009 | ||||
| 18.10 | 100km | 15th River Shimanto 100km |
12:10:16 h | 490 |
| 2008 | ||||
| 19.10 | 60km | 14th River Shimanto 60km |
6:24:08 h | 39 |
| 2006 | ||||
| 15.10 | 60km | 12th River Shimanto 60km |
6:59:24 h | 83 |
| 2005 | ||||
| 16.10 | 60km | 11th River Shimanto 60km |
7:11:26 h | 75 |
| 2004 | ||||
| 17.10 | 60km | 10th River Shimanto 60km |
7:48:18 h | 115 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 18/10/2009 | 15th River Shimanto 100km | 100,00 | ×3 |
| ✓ 2 | 19/10/2025 | 31th River Shimanto 60km | 60,00 | ×2 |
| ✓ 3 | 20/10/2024 | 30th River Shimanto 60km | 60,00 | ×2 |
| ✓ 4 | 20/10/2019 | 25th River Shimanto 60km | 60,00 | ×2 |
| ✓ 5 | 21/10/2018 | 24th River Shimanto 60km | 60,00 | ×2 |
| ✓ 6 | 15/10/2017 | 23rd River Shimanto 60km | 60,00 | ×2 |
| ✓ 7 | 16/10/2016 | 22nd River Shimanto 60km | 60,00 | ×2 |
| ✓ 8 | 19/10/2014 | 20th River Shimanto 60km | 60,00 | ×2 |
| ✓ 9 | 16/10/2011 | 17th River Shimanto 60km | 60,00 | ×2 |
| ✓ 10 | 17/10/2010 | 16th River Shimanto 60km | 60,00 | ×2 |
| ✓ 11 | 19/10/2008 | 14th River Shimanto 60km | 60,00 | ×2 |
| ✓ 12 | 15/10/2006 | 12th River Shimanto 60km | 60,00 | ×2 |
| ✓ 13 | 16/10/2005 | 11th River Shimanto 60km | 60,00 | ×2 |
| ✓ 14 | 17/10/2004 | 10th River Shimanto 60km | 60,00 | ×2 |