Tatsuya (横井達矢) Yokoi
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Born : 1984
Cat. M40 Ultrarunner since 2019
9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
31
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
Japan46,3%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 3 722; Σ finishers = 8 031. 3 722 / 8 031 × 100 = 46.35%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races1 058 km
> 100 km5
> 160 km3
Longest race168,5 km
7th OSJ Koumi 100 — 9/10/2021
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road18,9%
Trail81,1%
HISTORY
9 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 31.05 | 100km | 1st Nara Ultra Marathon |
13:39:50 h | 1447 |
| 2023 | ||||
| 21.04 | 167km | 8th Ultra-Trail Mt. Fuji |
39:12:03 h | 856 |
| 2022 | ||||
| 17.09 | 162.6km | 14th Shinetsu Five Mountains Trail 100 mile |
30:52:16 h | 101 |
| 16.07 | 106.5km | 14th OSJ Ontake 100km Ultra Trail |
13:44:05 h | 153 |
| 2021 | ||||
| 09.10 | 168.5km | 7th OSJ Koumi 100 |
34:24:44 h | 189 |
| 2020 | ||||
| 29.12 | 130km | 1st Kyoto Great Round |
25:01:22 h | 24 |
| 08.02 | 50km | 11th OSJ Jungle Trail 50K Amami |
4:57:08 h | 13 |
| 2019 | ||||
| 27.10 | 73km | 10th OSJ Hyonosen Mountains Trail Race |
13:02:21 h | 104 |
| 30.06 | 100km | 34. Lake Saroma 100 km Ultramarathon |
11:11:26 h | 844 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 9/10/2021 | 7th OSJ Koumi 100 | 168,50 | ×5 |
| ✓ 2 | 21/4/2023 | 8th Ultra-Trail Mt. Fuji (UTMF) | 167,00 | ×5 |
| ✓ 3 | 17/9/2022 | 14th Shinetsu Five Mountains Trail 100 mile | 162,60 | ×5 |
| ✓ 4 | 29/12/2020 | 1st Kyoto Great Round | 130,00 | ×4 |
| ✓ 5 | 16/7/2022 | 14th OSJ Ontake 100km Ultra Trail | 106,50 | ×3 |
| ✓ 6 | 31/5/2026 | 1st Nara Ultra Marathon | 100,00 | ×3 |
| ✓ 7 | 30/6/2019 | 34. Lake Saroma 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 8 | 27/10/2019 | 10th OSJ Hyonosen Mountains Trail Race | 73,00 | ×2 |
| ✓ 9 | 8/2/2020 | 11th OSJ Jungle Trail 50K Amami | 50,00 | ×1 |