Masafumi (濱田将史) Hamada
Born : 1966 Cat. M60 Ultrarunner since 2014 JPN
63
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
69
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
4
Countries visited ?JPNJapanNZLNew ZealandSUISwitzerlandUSAUnited States
24,7%
Rank quotient ?This runner's calculation uses 80 eligible race(s): Σ(rank − 1) = 8 731; Σ finishers = 35 286. 8 731 / 35 286 × 100 = 24.74%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed80
Km — ultra races7 371 km
> 100 km22
> 160 km4
> 200 km2
Longest race235,0 km

Km per year (ultra races)

697
6 races
2022
589
6 races
2023
760
7 races
2024
682
6 races
2025
467
3 races
2026

Race types (share of distance)

Road56,2%
Trail43,8%

HISTORY

80 race(s)
DateRacePerf.Rk
2026
19.07 207km JPN4th Round of the Boso Peninsula 210K 37:50:38 h5
17.05 100km JPN32th Yatsugatake Nobeyama 100 km 12:15:55 h351
11.04 160km JPN5th Yagurazawa Round Trip Pre-Tournament 26:06:41 h18
2025
21.12 100km JPN8th Okinawa 100km Ultramarathon 11:11:26 h145
22.08 101km JPN12th World Cultural Heritage "Fuji" Foot Race 14:47:41 h107
07.06 100km JPN4. OSJ Aizu Bandaisan Ultramarathon - 100 km 13:43:46 h134
31.05 48km JPN5th Lake Suwa Ultra Marathon - 48 km 5:35:07 h24
04.05 173km JPN19th Nagasaki Tachibana Gulf Coast Super Maranic 173 26:33:06 h8
12.04 160km JPN4th Yagurazawa Round Trip Pre-Tournament 27:43:01 h26
2024
22.12 67km JPN2nd Coast to Coast Boso hanto 10:16:13 h135
05.10 151km JPN1st Noto Country Journey Run 21:39:01 h21
23.08 101km JPN11th World Cultural Heritage "Fuji" Foot Race 12:49:22 h33
25.05 63km JPN8th Yokosuka Miura 63km Michikusa Ultra Marathon B 7:06:13 h28
21.04 118km JPN34th Fuji 5 Lakes 118 km Challenge 13:09:38 h94
06.04 160km JPN3rd Yagurazawa Round Trip Pre-Tournament 24:02:46 h17
16.03 100km JPN8th Minamiboso 100km 9:47:15 h6
2023
17.12 70km JPN1st Coast to Coast Boso hanto 8:33:29 h41
11.11 100km JPN10th Michikusa-Ultra, Minamiizu 100 km 11:00:45 h15
18.08 101km JPN10th World Cultural Heritage "Fuji" Foot Race 12:04:36 h15
04.06 100km JPN2. OSJ Aizu Bandaisan Ultramarathon - 100 km 12:28:42 h44
16.04 118km JPN33th Fuji 5 Lakes 118 km Challenge 14:44:20 h327
08.01 100km JPN6th Yakushima Ultramarathon 100 km 12:09:28 h10
2022
11.12 70km JPN9th Izu Trail Journey 12:12:31 h851
15.10 150km JPN1st Yagurazawa Round Trip Pre-Tournament 26:21:25 h27
18.09 109km JPN14th Shinetsu Five Mountains Trail 110km 21:07:15 h200
20.08 101km JPN9th World Cultural Heritage "Fuji" Foot Race 13:02:31 h22
22.05 100km JPN28th Yatsugatake Nobeyama 100 km 11:29:47 h153
22.04 167km JPN7th Ultra-Trail Mt. Fuji 37:38:40 h775
2021
12.12 69.1km JPN8th Izu Trail Journey 9:42:44 h271
28.08 75km JPN1st Okushinano 100 - 75 km 11:40:55 h76
2020
13.12 66km JPN7th Izu Trail Journey 9:45:55 h332
06.09 50km JPN13th OSJ Adatara Trail 50K 9:51:00 h178
22.08 101km JPN8th World Cultural Heritage "Fuji" Foot Race 12:32:23 h11
22.02 235km JPN10th Little Edo Oedo 235k 33:14:04 h29
2019
08.12 71.7km JPN6th Izu Trail Journey 9:12:26 h215
03.11 50km JPN6th Nakanoto Treasure Trail Run Festival 6:26:26 h54
29.09 57km JPN11th Shinshu-Togakushi Trail Run Race 8:28:26 h19
15.09 110km JPN11th Shinetsu Five Mountains Trail 110km 19:40:13 h136
08.09 100km JPN7th 100 km Ultramarathon Hakusan-Shirakawago 11:21:21 h76
22.06 80km JPN5th OSJ Yamanaka Onsen Trail Run 14:10:57 h57
19.05 100km JPN25th Yatsugatake Nobeyama 100 km 11:41:05 h303
11.05 121km JPN3rd Aso Round Trail 25:12:05 h106
07.04 70km JPN5th Okumikawa Power Trail 11:26:41 h188
13.01 100km JPN4th Yakushima Ultramarathon 12:04:39 h17
2018
16.12 68km JPNCoast to Coast 70k Trail Run 8:33:54 h60
09.12 71.7km JPN5th Izu Trail Journey 10:24:56 h259
04.11 50km JPN5th Nakanoto Treasure Trail Run Festival 6:13:05 h21
21.10 100km JPN7th Noto Peninsula 100 km Ultra Marathon 10:08:48 h22
09.09 51.4km JPN8th Hakuba Int. Trail Run 6:44:26 h79
30.06 80km JPN8th Utsukushigahara 80 km Trail Run 13:49:07 h116
17.06 100km JPN2nd Nikko 100km Ultramarathon 11:04:17 h163
10.02 50km JPN9th OSJ Jungle Trail 50K Amami 5:33:06 h26
21.01 100km JPN28th Miyako 100 km Ultramarathon 10:18:50 h37
2017
17.12 68km JPNCoast to Coast 70k Trail Run 8:11:47 h36
10.12 71.7km JPN4th Izu Trail Journey 10:27:37 h221
05.11 50km JPN4th Nakanoto Treasure Trail Run Festival 6:27:16 h12
15.10 100km JPN6th Noto Peninsula 100 km Ultra Marathon 10:35:17 h44
23.09 129km JPN4th SkyView Ultra-Trail 120 - Yamada Noboru Memorial Cup 29:13:41 h231
10.09 50km JPN10th OSJ Adatara Trail 50K 11:34:28 h48
27.08 48km JPN4th Tsukuba Renjyo 48 km Road & Trail Run 5:25:16 h20
23.07 80km JPN5th Mt. Taisetsu Trail Journey 10:50:28 h25
25.06 72.7km JPN4. Spatrail - Shima to Kusatsu 10:12:03 h140
21.05 100km JPN23rd Yatsugatake Nobeyama 100 km 11:41:36 h218
23.04 118km JPN27th Fuji 5 Lakes 118 km Challenge 12:44:31 h102
26.03 58km JPN13th Izu Oshima Ultra 58 km 6:58:35 h32
11.02 102km NZL9th Tarawera 100 km Ultramarathon 13:28:52 h137
2016
16.12 70km JPNCoast to Coast 70k Trail Run 8:21:18 h63
11.12 71.7km JPN3rd Izu Trail Journey 10:57:03 h310
06.11 50km JPN3rd Nakanoto Treasure Trail Run Festival 6:28:13 h18
26.06 72.7km JPN3. Spatrail - Shima to Kusatsu 10:12:58 h109
22.05 100km JPN22nd Yatsugatake Nobeyama 100 km 10:53:11 h159
27.03 58km JPN12th Izu Oshima Ultra 58 km 5:01:24 h9
2015
27.10 45km JPN7th Shinshu-Togakushi Trail Run Race 7:18:14 h76
18.10 100km JPN4th Noto Peninsula 100 km Ultra Marathon 11:24:07 h67
14.08 90.3km SUI3. Swiss Irontrail T91 25:07:31 h43
14.03 50mi USA4th Marin Ultra Challenge 50 Mile Race 10:46:29 h33
14.02 100km USA2nd Black Canyon Trail 100 km Run 14:02:10 h39
17.01 50km USA5th Steep Ravine 50 km Trail Run 6:27:23 h12
2014
31.12 6h USA5th New Years One Day 6 Hour Run 63.416 km7
06.12 50km USA8th Endurance Challenge - California Trail 50 km 5:43:08 h117