Kaname (関口要) Sekiguchi
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9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
24
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
73,9%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 4 962; Σ finishers = 6 716. 4 962 / 6 716 × 100 = 73.88%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races680 km
Longest race100,0 km
4th Tokyo Shibamata 100 km — 5/6/2016
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 | |
|---|---|---|---|---|
| 2019 | ||||
| 28.04 | 50km | 6:15:25 h | 17 | |
| 2018 | ||||
| 03.06 | 60km | 8:34:26 h | 516 | |
| 2017 | ||||
| 08.04 | 70km | 8:12:38 h | 423 | |
| 2016 | ||||
| 05.06 | 100km | 13:58:58 h | 1271 | |
| 2015 | ||||
| 06.06 | 100km | 13:30:26 h | 1023 | |
| 11.04 | 70km | 7:47:43 h | 229 | |
| 2014 | ||||
| 14.09 | 100km | 13:32:58 h | 1033 | |
| 2013 | ||||
| 01.06 | 60km | 7:09:42 h | 321 | |
| 2012 | ||||
| 07.04 | 70km | 8:01:02 h | 138 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 5/6/2016 | 4th Tokyo Shibamata 100 km | 100,00 | ×4 |
| ✓ 2 | 6/6/2015 | 3rd Tokyo Shibamata 100 km | 100,00 | ×4 |
| ✓ 3 | 14/9/2014 | 14th Tango 100 km Ultramarathon | 100,00 | ×4 |
| ✓ 4 | 8/4/2017 | 12th Toda Saiko 70 km | 70,00 | ×2 |
| ✓ 5 | 11/4/2015 | 10th Toda Saiko 70 km | 70,00 | ×2 |
| ✓ 6 | 7/4/2012 | 7th Toda Saiko 70 km | 70,00 | ×2 |
| ✓ 7 | 3/6/2018 | 6th Tokyo Shibamata 60 km | 60,00 | ×2 |
| ✓ 8 | 1/6/2013 | 1st Tokyo Shibamata 60 km | 60,00 | ×2 |
| ✓ 9 | 28/4/2019 | 4th Tamagawa Ultra Marathon - 50 km | 50,00 | ×2 |