Tetsuo (稲垣哲雄) Inagaki
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Born : 1971
Cat. M55 Ultrarunner since 2011
6
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
2
Countries visited ?
AustraliaJapan
AustraliaJapan29,5%
Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 2 131; Σ finishers = 7 230. 2 131 / 7 230 × 100 = 29.47%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed6
Km — ultra races482 km
> 100 km1
Longest race110,0 km
5th Shinetsu Five Mountains Trail 110km — 15/9/2013
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
6 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 16.05 | 49km | 13th Ultra-Trail Australia by UTMB - UTA50 |
7:43:34 h | 615 |
| 2025 | ||||
| 25.10 | 80km | Bondi to Manly Ultra |
9:49:53 h | 294 |
| 2013 | ||||
| 13.10 | 71.5km | 21st Hasetsune Cup - Japan Mountain Endurance Race |
13:18:12 h | 447 |
| 15.09 | 110km | 5th Shinetsu Five Mountains Trail 110km |
17:31:24 h | 135 |
| 2012 | ||||
| 03.11 | 100km | 1st OSJ Yatsugatake Super Trail 100 km race |
15:19:50 h | 13 |
| 2011 | ||||
| 09.10 | 71.5km | 19th Hasetsune Cup - Japan Mountain Endurance Race |
15:21:05 h | 633 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 15/9/2013 | 5th Shinetsu Five Mountains Trail 110km | 110,00 | ×5 |
| ✓ 2 | 3/11/2012 | 1st OSJ Yatsugatake Super Trail 100 km race | 100,00 | ×5 |
| ✓ 3 | 25/10/2025 | Bondi to Manly Ultra | 80,00 | ×4 |
| ✓ 4 | 13/10/2013 | 21st Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×3 |
| ✓ 5 | 9/10/2011 | 19th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×3 |
| ✓ 6 | 16/5/2026 | 13th Ultra-Trail Australia by UTMB - UTA50 | 49,00 | ×2 |