Kishio (井川貴志生) Igawa
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12
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
28
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
48,3%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 4 649; Σ finishers = 9 634. 4 649 / 9 634 × 100 = 48.26%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed12
Km — ultra races1 008 km
Longest race100,0 km
14. Okinoshima 100km Ultra Marathon — 16/6/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road90,1%
Trail9,9%
Records
HISTORY
12 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2019 | ||||
| 16.06 | 100km | 12:33:27 h | 196 | |
| 25.05 | 52km | 6:04:27 h | 10 | |
| 2018 | ||||
| 17.06 | 100km | 11:18:21 h | 190 | |
| 26.05 | 52km | 5:22:32 h | 4 | |
| 2017 | ||||
| 11.06 | 100km | 11:10:24 h | 277 | |
| 27.05 | 52km | 5:16:51 h | 6 | |
| 2016 | ||||
| 12.06 | 100km | 12:24:56 h | 547 | |
| 28.05 | 52km | 5:33:06 h | 11 | |
| 2015 | ||||
| 17.05 | 100km | 13:14:57 h | 859 | |
| 2014 | ||||
| 15.06 | 100km | 13:21:12 h | 216 | |
| 2013 | ||||
| 30.06 | 100km road race | 12:18:45 h | 1358 | |
| 2009 | ||||
| 18.10 | 100km | 13:40:21 h | 987 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 16/6/2019 | 14. Okinoshima 100km Ultra Marathon | 100,00 | ×3 |
| ✓ 2 | 17/6/2018 | 2nd Nikko 100km Ultramarathon | 100,00 | ×3 |
| ✓ 3 | 11/6/2017 | 13th Iwate Ginga 100km Marathon Challenge | 100,00 | ×3 |
| ✓ 4 | 12/6/2016 | 5th Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 5 | 17/5/2015 | 21st Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 6 | 15/6/2014 | 9. Okinoshima 100km Ultra Marathon | 100,00 | ×3 |
| ✓ 7 | 30/6/2013 | 28. Lake Saroma 100 km Ultramarathon (JPN) | 100,00 | ×3 |
| ✓ 8 | 18/10/2009 | 15th River Shimanto 100km | 100,00 | ×3 |
| ✓ 9 | 25/5/2019 | 8th Tojinbo 52 km Ultramarathon | 52,00 | ×1 |
| ✓ 10 | 26/5/2018 | 7th Tojinbo 52 km Ultramarathon | 52,00 | ×1 |
| ✓ 11 | 27/5/2017 | 6th Tojinbo 52 km Ultramarathon | 52,00 | ×1 |
| ✓ 12 | 28/5/2016 | 5th Tojinbo 52 km Ultramarathon | 52,00 | ×1 |