Toyokazu (巽豊和) Tatsumi
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Born : 1979
Cat. M45 Ultrarunner since 2013
9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
20
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
Japan77,0%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 1 765; Σ finishers = 2 291. 1 765 / 2 291 × 100 = 77.04%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races493 km
Longest race70,0 km
5th 70 km Ultra Maranic Osaka — 21/4/2013
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 | |
|---|---|---|---|---|
| 2025 | ||||
| 29.06 | 50km | 40. Lake Saroma 50 km Ultramarathon |
7:32:46 h | 286 |
| 2024 | ||||
| 13.10 | 50km | 15th Echigo Kubikino 50km Ultramarathon |
7:24:05 h | 338 |
| 06.10 | 48km | 5th Mine Akiyoshidai Geopark Ultra Marathon |
7:54:02 h | 202 |
| 2023 | ||||
| 11.11 | 66km | 10th Michikusa-Ultra, Minamiizu 66 km |
10:37:43 h | 86 |
| 21.10 | 50km | 6th Iki 50 km Ultra Marathon |
7:16:21 h | 165 |
| 2022 | ||||
| 28.05 | 52km | 10th Tojinbo 52 km Ultramarathon |
8:44:24 h | 158 |
| 2021 | ||||
| 08.05 | 57km | 1st Kimitsu Ultra Marathon |
9:33:06 h | 283 |
| 2020 | ||||
| 19.01 | 50km | 30th Miyako 50 km Ultramarathon |
6:50:07 h | 135 |
| 2013 | ||||
| 21.04 | 70km | 5th 70 km Ultra Maranic Osaka |
9:10:21 h | 121 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 21/4/2013 | 5th 70 km Ultra Maranic Osaka | 70,00 | ×3 |
| ✓ 2 | 11/11/2023 | 10th Michikusa-Ultra, Minamiizu 66 km | 66,00 | ×3 |
| ✓ 3 | 8/5/2021 | 1st Kimitsu Ultra Marathon | 57,00 | ×2 |
| ✓ 4 | 28/5/2022 | 10th Tojinbo 52 km Ultramarathon | 52,00 | ×2 |
| ✓ 5 | 29/6/2025 | 40. Lake Saroma 50 km Ultramarathon | 50,00 | ×2 |
| ✓ 6 | 13/10/2024 | 15th Echigo Kubikino 50km Ultramarathon | 50,00 | ×2 |
| ✓ 7 | 21/10/2023 | 6th Iki 50 km Ultra Marathon | 50,00 | ×2 |
| ✓ 8 | 19/1/2020 | 30th Miyako 50 km Ultramarathon | 50,00 | ×2 |
| ✓ 9 | 6/10/2024 | 5th Mine Akiyoshidai Geopark Ultra Marathon | 48,00 | ×2 |