Akira (福嶋晃) Fukushima
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Ultrarunner since 2005
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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
Japan9,3%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 341; Σ finishers = 3 665. 341 / 3 665 × 100 = 9.30%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races775 km
> 100 km1
Longest race103,0 km
Tachibana Bay Coast 100 Ultra Marathon — 22/11/2014
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road90,8%
Trail9,2%
Records
HISTORY
8 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2019 | ||||
| 19.10 | 100km | 4th Iki 100 km Ultra Marathon |
9:05:49 h | 9 |
| 2018 | ||||
| 20.10 | 100km | 3rd Iki 100 km Ultra Marathon |
9:17:28 h | 13 |
| 2017 | ||||
| 21.10 | 100km | 2nd Iki 100 km Ultra Marathon |
9:36:24 h | 11 |
| 2016 | ||||
| 02.10 | 100km | 1st Iki 100 km Ultra Marathon |
13:10:19 h | 87 |
| 2014 | ||||
| 22.11 | 103km | Tachibana Bay Coast 100 Ultra Marathon |
13:45:30 h | 45 |
| 2009 | ||||
| 20.09 | 100km | 9th Tango 100 km Ultramarathon |
9:37:15 h | 44 |
| 2008 | ||||
| 14.09 | 100km | 8th Tango 100 km Ultramarathon |
10:47:58 h | 78 |
| 2005 | ||||
| 09.10 | 71.5km | 13th Hasetsune Cup - Japan Mountain Endurance Race |
11:30:08 h | 62 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 22/11/2014 | Tachibana Bay Coast 100 Ultra Marathon | 103,00 | ×4 |
| ✓ 2 | 19/10/2019 | 4th Iki 100 km Ultra Marathon | 100,00 | ×4 |
| ✓ 3 | 20/10/2018 | 3rd Iki 100 km Ultra Marathon | 100,00 | ×4 |
| ✓ 4 | 21/10/2017 | 2nd Iki 100 km Ultra Marathon | 100,00 | ×4 |
| ✓ 5 | 2/10/2016 | 1st Iki 100 km Ultra Marathon | 100,00 | ×4 |
| ✓ 6 | 20/9/2009 | 9th Tango 100 km Ultramarathon | 100,00 | ×4 |
| ✓ 7 | 14/9/2008 | 8th Tango 100 km Ultramarathon | 100,00 | ×4 |
| ✓ 8 | 9/10/2005 | 13th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |