Susumu (佐々木晋) Sasaki
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Born : 1970
Cat. M55 Ultrarunner since 2005
4
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
16
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
Japan76,8%
Rank quotient ?This runner's calculation uses 4 eligible race(s): Σ(rank − 1) = 1 689; Σ finishers = 2 198. 1 689 / 2 198 × 100 = 76.84%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed4
Km — ultra races298 km
Longest race100,0 km
1st Yasaka Ultra Marathon in Hamada - 100 km — 1/10/2017
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road67,1%
Trail32,9%
Records
HISTORY
4 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2022 | ||||
| 28.08 | 48km | 9th Tsukuba Renjyo 48 km Road & Trail Run |
8:27:03 h | 123 |
| 2019 | ||||
| 09.06 | 50km | 12th Skyline Trail Sugadaira |
9:49:08 h | 223 |
| 2017 | ||||
| 01.10 | 100km | 1st Yasaka Ultra Marathon in Hamada - 100 km |
15:55:41 h | 114 |
| 2005 | ||||
| 26.06 | 100km | Open Race at IAU 100km WC Yubetsu (20. Lake Saroma 100 km Ultramarathon) |
12:25:49 h | 1233 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 1/10/2017 | 1st Yasaka Ultra Marathon in Hamada - 100 km | 100,00 | ×6 |
| ✓ 2 | 26/6/2005 | Open Race at IAU 100km WC Yubetsu (20. Lake Saroma 100 km Ultramarathon) | 100,00 | ×6 |
| ✓ 3 | 9/6/2019 | 12th Skyline Trail Sugadaira | 50,00 | ×3 |
| ✓ 4 | 28/8/2022 | 9th Tsukuba Renjyo 48 km Road & Trail Run | 48,00 | ×3 |