Norio (酒井則男) Sakai
External sources
Loading FFA
Loading MV
FFA diagnostics
Run “Search / refresh FFA” to see each season, HTTP response, candidate and DUV comparison.
MarathonView diagnostics
Run “Refresh MV” to see login, session validation and parser status.
Cached locally. Empty refreshes never erase the last valid snapshot.
Born : 1951
Cat. M75 Ultrarunner since 2011
11
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
30
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
Japan77,9%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 3 033; Σ finishers = 3 893. 3 033 / 3 893 × 100 = 77.91%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed11
Km — ultra races1 055 km
> 100 km2
> 160 km1
> 200 km1
Longest race250,0 km
25. Yamaguchi 100 Hagi-O-Kan Maranic 250 km — 2/5/2013
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
11 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2024 | ||||
| 14.01 | 50km | 7th Yakushima Ultramarathon 50 km |
7:31:11 h | 60 |
| 2023 | ||||
| 08.01 | 50km | 6th Yakushima Ultramarathon 50 km |
7:51:32 h | 27 |
| 2021 | ||||
| 18.07 | 65km | 1st Yamaguchi Hagi Return |
13:56:22 h | 438 |
| 2020 | ||||
| 12.01 | 50km | 5th Yakushima Ultramarathon 50 km |
6:50:14 h | 25 |
| 2019 | ||||
| 16.06 | 100km | 14. Okinoshima 100km Ultra Marathon |
14:17:29 h | 432 |
| 13.01 | 100km | 4th Yakushima Ultramarathon |
15:47:37 h | 189 |
| 2017 | ||||
| 18.06 | 50km | 12. Okinoshima 50km Ultra Marathon |
7:00:59 h | 250 |
| 2015 | ||||
| 06.06 | 100km | 25th Aso Caldera Super Marathon 100 km |
13:05:51 h | 767 |
| 2014 | ||||
| 07.06 | 100km | 24th Aso Caldera Super Marathon 100 km |
12:22:18 h | 447 |
| 2013 | ||||
| 02.05 | 250km | 25. Yamaguchi 100 Hagi-O-Kan Maranic 250 km |
47:42:08 h | 252 |
| 2011 | ||||
| 03.05 | 140km | 23. Yamaguchi 100 Hagi-O-Kan Maranic 140 km |
23:07:55 h | 157 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 2/5/2013 | 25. Yamaguchi 100 Hagi-O-Kan Maranic 250 km | 250,00 | ×8 |
| ✓ 2 | 3/5/2011 | 23. Yamaguchi 100 Hagi-O-Kan Maranic 140 km | 140,00 | ×4 |
| ✓ 3 | 16/6/2019 | 14. Okinoshima 100km Ultra Marathon | 100,00 | ×3 |
| ✓ 4 | 13/1/2019 | 4th Yakushima Ultramarathon | 100,00 | ×3 |
| ✓ 5 | 6/6/2015 | 25th Aso Caldera Super Marathon 100 km | 100,00 | ×3 |
| ✓ 6 | 7/6/2014 | 24th Aso Caldera Super Marathon 100 km | 100,00 | ×3 |
| ✓ 7 | 18/7/2021 | 1st Yamaguchi Hagi Return | 65,00 | ×2 |
| ✓ 8 | 14/1/2024 | 7th Yakushima Ultramarathon 50 km | 50,00 | ×1 |
| ✓ 9 | 8/1/2023 | 6th Yakushima Ultramarathon 50 km | 50,00 | ×1 |
| ✓ 10 | 12/1/2020 | 5th Yakushima Ultramarathon 50 km | 50,00 | ×1 |
| ✓ 11 | 18/6/2017 | 12. Okinoshima 50km Ultra Marathon | 50,00 | ×1 |