Takashi (秋谷剛史) Akiya
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Born : 1974
Cat. M50 Ultrarunner since 2007
7
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
21
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
Japan10,6%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 425; Σ finishers = 4 026. 425 / 4 026 × 100 = 10.56%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed7
Km — ultra races537 km
Longest race100,0 km
3rd Tokyo Shibamata 100 km — 6/6/2015
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
Records
HISTORY
7 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2016 | ||||
| 28.05 | 52km | 5th Tojinbo 52 km Ultramarathon |
4:55:37 h | 2 🥈 |
| 2015 | ||||
| 06.06 | 100km | 3rd Tokyo Shibamata 100 km |
9:45:18 h | 108 |
| 2013 | ||||
| 09.06 | 100km | 9th Iwate Ginga 100km Marathon Challenge |
9:42:33 h | 79 |
| 2012 | ||||
| 08.07 | 8h | 18th 8-Hour Endurance Race Tokorozawa |
77.904 km | 23 |
| 2011 | ||||
| 07.08 | 77km | 18. Ultramarathon Okumusashi |
7:56:04 h | 152 |
| 2009 | ||||
| 13.06 | 6h | 8. Tokyo Challenge 6 hours |
62.030 km | 17 |
| 2007 | ||||
| 01.07 | 8h | 13th 8-Hour Endurance Race Tokorozawa |
68.250 km | 51 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 6/6/2015 | 3rd Tokyo Shibamata 100 km | 100,00 | ×4 |
| ✓ 2 | 9/6/2013 | 9th Iwate Ginga 100km Marathon Challenge | 100,00 | ×4 |
| ✓ 3 | 8/7/2012 | 18th 8-Hour Endurance Race Tokorozawa | 77,90 | ×3 |
| ✓ 4 | 7/8/2011 | 18. Ultramarathon Okumusashi | 77,00 | ×3 |
| ✓ 5 | 1/7/2007 | 13th 8-Hour Endurance Race Tokorozawa | 68,25 | ×3 |
| ✓ 6 | 13/6/2009 | 8. Tokyo Challenge 6 hours | 62,03 | ×2 |
| ✓ 7 | 28/5/2016 | 5th Tojinbo 52 km Ultramarathon | 52,00 | ×2 |