Tamotsu (福島保) Fukushima
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Born : 1968
Cat. M55 Ultrarunner since 2010
9
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
Japan23,9%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 1 127; Σ finishers = 4 709. 1 127 / 4 709 × 100 = 23.93%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races854 km
Longest race100,0 km
30th Miyako 100 km Ultramarathon — 19/1/2020
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
9 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2020 | ||||
| 19.01 | 100km | 30th Miyako 100 km Ultramarathon |
9:55:07 h | 37 |
| 2018 | ||||
| 22.07 | 100km | 8th North Okhotsk 100 km Marathon |
10:33:16 h | 41 |
| 21.01 | 100km | 28th Miyako 100 km Ultramarathon |
9:30:48 h | 21 |
| 2017 | ||||
| 15.01 | 100km | 27th Miyako 100 km Ultramarathon |
9:45:50 h | 36 |
| 2016 | ||||
| 31.07 | 100km | 6th North Okhotsk 100 km Marathon |
11:10:21 h | 41 |
| 2015 | ||||
| 11.01 | 100km | 25th Miyako 100 km Ultramarathon |
10:54:12 h | 97 |
| 2012 | ||||
| 05.08 | 77km | 19. Ultramarathon Okumusashi |
9:47:47 h | 499 |
| 2011 | ||||
| 07.08 | 77km | 18. Ultramarathon Okumusashi |
8:27:59 h | 241 |
| 2010 | ||||
| 13.06 | 100km | 6th Iwate Ginga 100km Marathon Challenge |
11:30:37 h | 123 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 19/1/2020 | 30th Miyako 100 km Ultramarathon | 100,00 | ×4 |
| ✓ 2 | 22/7/2018 | 8th North Okhotsk 100 km Marathon | 100,00 | ×4 |
| ✓ 3 | 21/1/2018 | 28th Miyako 100 km Ultramarathon | 100,00 | ×4 |
| ✓ 4 | 15/1/2017 | 27th Miyako 100 km Ultramarathon | 100,00 | ×4 |
| ✓ 5 | 31/7/2016 | 6th North Okhotsk 100 km Marathon | 100,00 | ×4 |
| ✓ 6 | 11/1/2015 | 25th Miyako 100 km Ultramarathon | 100,00 | ×4 |
| ✓ 7 | 13/6/2010 | 6th Iwate Ginga 100km Marathon Challenge | 100,00 | ×4 |
| ✓ 8 | 5/8/2012 | 19. Ultramarathon Okumusashi | 77,00 | ×3 |
| ✓ 9 | 7/8/2011 | 18. Ultramarathon Okumusashi | 77,00 | ×3 |