Takaaki (関野隆明) Sekino
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Born : 1979
Cat. M45 Ultrarunner since 2010
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
29
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
Japan21,5%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 831; Σ finishers = 3 858. 831 / 3 858 × 100 = 21.54%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races940 km
> 100 km3
> 24h3
Longest race160,0 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
8 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2022 | ||||
| 17.04 | 100km | 32th Fuji 5 Lakes 100 km Challenge |
10:49:14 h | 221 |
| 2020 | ||||
| 19.01 | 100km | 30th Miyako 100 km Ultramarathon |
9:56:10 h | 39 |
| 2019 | ||||
| 20.01 | 100km | 29th Miyako 100 km Ultramarathon |
10:51:01 h | 48 |
| 2018 | ||||
| 02.06 | 24h | 17. Green Charity Marathon Tokyo - Hard Run 24H |
160.000 km | 22 |
| 22.04 | 100km | 28th Fuji 5 Lakes 100 km Challenge |
11:54:21 h | 398 |
| 21.01 | 100km | 28th Miyako 100 km Ultramarathon |
10:41:16 h | 45 |
| 2011 | ||||
| 11.06 | 24h | 10. Tokyo Challenge 24 hours |
157.717 km | 28 |
| 2010 | ||||
| 19.06 | 24h | 9. Tokyo Challenge 24 hours |
122.700 km | 38 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 2/6/2018 | 17. Green Charity Marathon Tokyo - Hard Run 24H | 160,00 | ×5 |
| ✓ 2 | 11/6/2011 | 10. Tokyo Challenge 24 hours | 157,72 | ×5 |
| ✓ 3 | 19/6/2010 | 9. Tokyo Challenge 24 hours | 122,70 | ×4 |
| ✓ 4 | 17/4/2022 | 32th Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 5 | 19/1/2020 | 30th Miyako 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 20/1/2019 | 29th Miyako 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 7 | 22/4/2018 | 28th Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 8 | 21/1/2018 | 28th Miyako 100 km Ultramarathon | 100,00 | ×3 |