Tomoya (市川智哉) Ichikawa
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Born : 1971
Cat. M55 Ultrarunner since 2014
12
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
27
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
Japan83,2%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 7 509; Σ finishers = 9 029. 7 509 / 9 029 × 100 = 83.17%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races939 km
> 100 km1
Longest race130,0 km
3rd Mito Kaido Journey run — 1/11/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road32,0%
Trail54,2%
Stage13,8%
Records
HISTORY
12 race(s) · 2 stage(s) nested| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 01–02.11 | 130km/2stages | 3rd Mito Kaido Journey run |
21:11:31 h | 59 |
| 01.11 | 62.2km | 3rd Mito Kaido Journey run - Stage 1 | 10:36:36 h | 81 |
| 02.11 | 68.1km | 3rd Mito Kaido Journey run - Stage 2 | 10:34:55 h | 51 |
| 26.04 | 70km | 4th KAI 70k |
19:48:19 h | 828 |
| 2023 | ||||
| 09.09 | 57km | 15th Shinshu-Togakushi Trail Run Race |
7:53:20 h | 235 |
| 2019 | ||||
| 21.09 | 75km | 6th SkyView Ultra-Trail 70 - Yamada Noboru Memorial Cup |
21:18:15 h | 433 |
| 13.07 | 100km | 12th OSJ Ontake 100km Ultra Trail |
17:01:22 h | 578 |
| 2018 | ||||
| 20.05 | 100km | 24th Yatsugatake Nobeyama 100 km |
13:51:40 h | 1427 |
| 2017 | ||||
| 10.12 | 71.7km | 4th Izu Trail Journey |
13:24:32 h | 970 |
| 10.06 | 45km | 10th Skyline Trail Sugadaira |
8:53:29 h | 348 |
| 23.04 | 100km | 27th Fuji 5 Lakes 100 km Challenge |
13:25:16 h | 1004 |
| 2015 | ||||
| 27.10 | 45km | 7th Shinshu-Togakushi Trail Run Race |
9:26:17 h | 279 |
| 04.07 | 45km | 5th Utsukushigahara 45 km Trail Run |
8:14:05 h | 244 |
| 2014 | ||||
| 20.04 | 100km | 24th Fuji 5 Lakes 100 km Challenge |
13:38:17 h | 1116 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 1/11/2025 | 3rd Mito Kaido Journey run | 130,00 | ×4 |
| ✓ 2 | 13/7/2019 | 12th OSJ Ontake 100km Ultra Trail | 100,00 | ×3 |
| ✓ 3 | 20/5/2018 | 24th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 4 | 23/4/2017 | 27th Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 5 | 20/4/2014 | 24th Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 6 | 21/9/2019 | 6th SkyView Ultra-Trail 70 - Yamada Noboru Memorial Cup | 75,00 | ×2 |
| ✓ 7 | 10/12/2017 | 4th Izu Trail Journey | 71,70 | ×2 |
| ✓ 8 | 26/4/2025 | 4th KAI 70k | 70,00 | ×2 |
| ✓ 9 | 9/9/2023 | 15th Shinshu-Togakushi Trail Run Race | 57,00 | ×2 |
| ✓ 10 | 10/6/2017 | 10th Skyline Trail Sugadaira | 45,00 | ×1 |
| ✓ 11 | 27/10/2015 | 7th Shinshu-Togakushi Trail Run Race | 45,00 | ×1 |
| ✓ 12 | 4/7/2015 | 5th Utsukushigahara 45 km Trail Run | 45,00 | ×1 |