Toshiki (鈴木利季) Suzuki
Born : 1969 Cat. M55 Ultrarunner since 2016 JPN
28
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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 ?FRAFranceJPNJapan
37,2%
Rank quotient ?This runner's calculation uses 28 eligible race(s): Σ(rank − 1) = 4 885; Σ finishers = 13 139. 4 885 / 13 139 × 100 = 37.18%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed28
Km — ultra races2 819 km
> 100 km13
> 160 km6
Longest race200,0 km

Km per year (ultra races)

326
3 races
2022
337
3 races
2023
202
3 races
2024
275
2 races
2025
101
1 race
2026

Race types (share of distance)

Road27,4%
Trail72,6%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 31
🏅 Top 3 M1
Longest winning streak1
Current streak0

HISTORY

28 race(s)
DateRacePerf.Rk
2026
06.06 100.8km JPN6th Okushinano 100 16:07:58 h158
2025
25.10 74.8km JPN4th Shiroishi Minami Zao Ultra Excursion 74.8km 9:04:56 h1 🏆
15.03 200km JPN15th Little Edo Oedo 200k 34:52:48 h150
2024
03.11 49km JPN1st Sea Alps Trail Journey 6:26:54 h23
07.09 53.4km JPN17th OSJ Adatara Trail 50K 11:41:39 h74
15.06 100km JPN3. OSJ Aizu Bandaisan Ultramarathon - 100 km 11:03:37 h28
2023
08.10 71.5km JPN31th Hasetsune Cup - Japan Mountain Endurance Race 13:17:09 h339
23.06 165km JPN2nd Deep Japan Ultra 100 - 165 km 42:57:27 h32
23.04 100km JPN4th Yamadera Zao 100 km Ultra Marathon 11:28:20 h10
2022
21.08 50km JPN3rd OSJ Mahirusanchi Trail 50K 8:35:07 h35
21.05 109.2km JPN7th Trainic World 100 km in Sai-No-Kuni 24:39:12 h86
22.04 167km JPN7th Ultra-Trail Mt. Fuji 31:34:38 h358
2021
12.12 69.1km JPN8th Izu Trail Journey 9:41:19 h267
14.11 56km JPN6th Nikko National Park Mountain Running 6:01:00 h50
09.10 168.5km JPN7th OSJ Koumi 100 34:16:02 h182
2020
19.09 123km JPN3rd Utsukushima Fukushima Journey Run 123K 16:40:23 h38
2019
30.08 171km FRA17ème Ultra Trail Tour du Mont Blanc 45:06:04 h1346
13.07 100km JPN12th OSJ Ontake 100km Ultra Trail 14:02:05 h224
2018
17.11 106km JPN4th FunTrails100K Round 26:51:09 h222
15.09 100mi JPN10th Shinetsu Five Mountains Trail 100 mile 31:40:43 h233
22.04 118km JPN28th Fuji 5 Lakes 118 km Challenge 12:57:16 h105
2017
23.09 129km JPN4th SkyView Ultra-Trail 120 - Yamada Noboru Memorial Cup 29:51:49 h263
29.07 102km JPN1st OSJ Itamuro 100 21:35:40 h59
27.05 50km JPN9th OSJ Okukuji Trail 50k 11:51:17 h147
2016
19.11 52km JPN2nd FunTrails50K Two Lakes&Green line 7:34:10 h42
11.09 50km JPN9th OSJ Adatara Trail 50K 9:32:21 h71
26.06 72.7km JPN3. Spatrail - Shima to Kusatsu 10:47:52 h179
28.05 50km JPN8th OSJ Okukuji Trail 50k 12:23:27 h191