Tomoko (佐々木智子) Sasaki
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Born : 1964
Cat. W60 Ultrarunner since 2010
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
22
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
Japan76,4%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 5 088; Σ finishers = 6 664. 5 088 / 6 664 × 100 = 76.35%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races556 km
Longest race100,0 km
27. Lake Saroma 100 km Ultramarathon (JPN) — 24/6/2012
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road65,7%
Trail34,3%
Records
HISTORY
8 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2019 | ||||
| 08.12 | 71.7km | 6th Izu Trail Journey |
13:26:47 h | 1267 |
| 03.11 | 48km | 3rd Ninja Trail Run |
9:04:48 h | 270 |
| 2018 | ||||
| 21.10 | 56km | 19th Mt. Rocco Cannonball Run - 56 km Speed |
9:45:29 h | 194 |
| 2012 | ||||
| 24.06 | 100km road race | 27. Lake Saroma 100 km Ultramarathon |
12:43:13 h | 1973 |
| 20.05 | 71km | 18th Yatsugatake Nobeyama 71 km |
9:53:56 h | 160 |
| 2011 | ||||
| 07.08 | 77km | 18. Ultramarathon Okumusashi |
10:54:55 h | 890 |
| 2010 | ||||
| 17.10 | 60km | 16th River Shimanto 60km |
7:26:08 h | 139 |
| 25.04 | 72km | 20th Fuji 5 Lakes 72 km Challenge |
9:09:53 h | 203 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 24/6/2012 | 27. Lake Saroma 100 km Ultramarathon (JPN) | 100,00 | ×4 |
| ✓ 2 | 7/8/2011 | 18. Ultramarathon Okumusashi | 77,00 | ×3 |
| ✓ 3 | 25/4/2010 | 20th Fuji 5 Lakes 72 km Challenge | 72,00 | ×3 |
| ✓ 4 | 8/12/2019 | 6th Izu Trail Journey | 71,70 | ×3 |
| ✓ 5 | 20/5/2012 | 18th Yatsugatake Nobeyama 71 km | 71,00 | ×3 |
| ✓ 6 | 17/10/2010 | 16th River Shimanto 60km | 60,00 | ×2 |
| ✓ 7 | 21/10/2018 | 19th Mt. Rocco Cannonball Run - 56 km Speed | 56,00 | ×2 |
| ✓ 8 | 3/11/2019 | 3rd Ninja Trail Run | 48,00 | ×2 |