Akihiro (鈴木昭博) Suzuki
Born : 1968 Cat. M55 Ultrarunner since 2009 JPN
43
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
54
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
3
Countries visited ?JPNJapanNZLNew ZealandUSAUnited States
42,2%
Rank quotient ?This runner's calculation uses 43 eligible race(s): Σ(rank − 1) = 8 856; Σ finishers = 20 977. 8 856 / 20 977 × 100 = 42.22%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed43
Km — ultra races4 216 km
> 100 km17
> 160 km11
Longest race200,0 km

Km per year (ultra races)

607
6 races
2022
767
6 races
2023
715
5 races
2024
423
3 races
2025
51
1 race
2026

Race types (share of distance)

Road11,9%
Trail88,1%

HISTORY

43 race(s)
DateRacePerf.Rk
2026
10.05 51km JPN7th FunTrails Round Minano 8:44:32 h196
2025
18.10 100km JPN8th Iki 100 km Ultra Marathon 13:47:11 h318
10.10 160km USA15th Kodiak Ultra Marathons by UTMB - 100M 32:56:46 h245
15.02 163km NZL7th Tarawera 100 Mile Endurance Run 26:52:28 h136
2024
11.10 169km JPN4th Lake Biwa 100 43:32:06 h103
08.09 54km JPN2nd Around Toki River 10:21:03 h49
24.05 160km JPN3rd Tokyo Grand Trail - 100mi 42:36:35 h35
26.04 167km JPN9th Ultra-Trail Mt. Fuji 32:39:59 h190
16.02 165km NZL6th Tarawera 100 Mile Endurance Run 29:22:52 h153
2023
10.12 70km JPN10th Izu Trail Journey 9:47:06 h245
21.10 100km JPN6th Iki 100 km Ultra Marathon 13:50:38 h312
06.10 169km JPN3rd Lake Biwa 100 46:03:03 h158
20.05 100mi JPN8th Trainic World 100 Mile in Sai-No-Kuni 34:25:27 h104
21.04 167km JPN8th Ultra-Trail Mt. Fuji 32:46:20 h346
21.03 100km JPN1st Akagiyama 100 12:45:01 h19
2022
11.12 70km JPN9th Izu Trail Journey 9:53:48 h283
20.11 106km JPN8th FunTrails100K Round 22:36:53 h106
30.10 49.6km JPN10th Trainic world Ogose-Tokigawa Trail Run 50km 7:40:23 h49
02.10 52km JPN9th Trainic world Soto-Chichibu Trail Run 50km 8:51:23 h68
17.09 162.6km JPN14th Shinetsu Five Mountains Trail 100 mile 31:28:38 h122
05.03 167km JPN1st Kumagawa Revival Trail 35:26:50 h48
2021
12.12 69.1km JPN8th Izu Trail Journey 9:58:36 h326
20.11 106km JPN7th FunTrails100K Round 23:08:56 h170
25.09 54km JPN8th Shigakogen Extreme Trail 9:25:37 h84
23.07 65km JPN12th Nozawa Onsen 4100D Mountain Trail 10:21:58 h129
27.02 200km JPN11th Little Edo Oedo 200k 32:18:53 h81
2020
13.12 66km JPN7th Izu Trail Journey 9:37:24 h306
18.10 54km JPN7th Shigakogen Extreme Trail 9:51:43 h159
06.09 50km JPN13th OSJ Adatara Trail 50K 9:37:24 h160
2019
01.09 50km JPN12th OSJ Adatara Trail 50K 13:19:53 h157
2018
17.11 106km JPN4th FunTrails100K Round 31:13:35 h452
14.07 65km JPN9th Nozawa Onsen 4100D Mountain Trail 14:20:03 h158
2016
19.11 105km JPN2nd FunTrails100K Round 29:20:39 h300
16.07 65km JPN7th Nozawa Onsen 4100D Mountain Trail 12:47:43 h189
2015
21.10 56km JPN1st FunTrails50K Two Lakes&Green line 11:36:56 h289
25.09 170.3km JPN4th Ultra-Trail Mt. Fuji 41:55:09 h349
2013
13.10 71.5km JPN21st Hasetsune Cup - Japan Mountain Endurance Race 17:55:23 h1339
02.06 50km JPN5th OSJ Okukuji Trail 50k 13:17:18 h240
2012
03.06 50km JPN4th OSJ Okukuji Trail 50k 12:37:40 h240
2011
25.09 50km JPN4th OSJ Adatara Trail 50K 9:14:58 h61
03.07 50km JPN3rd OSJ Shiga Kogen Trail 50K 9:18:51 h100
05.06 50km JPN3rd OSJ Okukuji Trail 50k 11:03:52 h176
2009
12.04 50km JPN1st OSJ Okukuji Trail 50k 13:22:10 h149