Daisuke (八木大輔) Yagi
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Born : 1969
Cat. M55 Ultrarunner since 2023
3
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
15
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
Japan51,7%
Rank quotient ?This runner's calculation uses 3 eligible race(s): Σ(rank − 1) = 433; Σ finishers = 837. 433 / 837 × 100 = 51.73%. A win adds 0 to the numerator. Lower is better.
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road40,3%
Trail59,7%
Records
HISTORY
3 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 14.06 | 48km | 4th KTF Trail running race - Rockin Bear |
6:25:19 h | 180 |
| 2023 | ||||
| 08.07 | 100km | 1st Shiga Kogen 100 |
22:53:35 h | 205 |
| 04.03 | 100km | 1st Minonokuni Yamajiro Trail 100 |
29:32:00 h | 51 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 8/7/2023 | 1st Shiga Kogen 100 | 100,00 | ×6 |
| ✓ 2 | 4/3/2023 | 1st Minonokuni Yamajiro Trail 100 | 100,00 | ×6 |
| ✓ 3 | 14/6/2025 | 4th KTF Trail running race - Rockin Bear | 48,00 | ×3 |