Ayumu (塚田歩) Tsukada
ID 565017
Born : 1971 Cat. M55 Ultrarunner since 2013 JPN
26
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
5
Countries visited ?HKGHong KongINAIndonesiaITAItalyJPNJapanUSAUnited States
48,6%
Rank quotient ?This runner's calculation uses 26 eligible race(s): Σ(rank − 1) = 7 818; Σ finishers = 16 080. 7 818 / 16 080 × 100 = 48.62%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed26
Km — ultra races2 875 km
> 100 km14
> 160 km5
> 200 km1
Longest race330,0 km
10° Tor des Géants - 330 km Endurance Trail della Valle d'Aosta — 8/9/2019

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road28,8%
Trail71,2%

Records

50 km8h51'30100 km11h32'12100 mi31h19'37

HISTORY

26 race(s)
DateRacePerf.Rk
2021
16.10 112km JPN25th Mt. Rocco Cannonball Run - 112 km Power 19:30:00 h48
2020
17.10 112km JPN23th Mt. Rocco Cannonball Run - 112 km Power 19:00:00 h35
21.03 112km JPN22th Mt. Rocco Cannonball Run - 112 km Power 18:30:00 h32
2019
08.09 330km ITA10° Tor des Géants - 330 km Endurance Trail della Valle d'Aosta 6d 03:34:57 h518
23.03 112km JPN20th Mt. Rocco Cannonball Run - 112 km Power 18:54:00 h76
2018
02.11 170km INA6th Bromo Tengger Semeru Ultra 100mi 45:21:00 h13
15.09 100mi JPN10th Shinetsu Five Mountains Trail 100 mile 31:19:37 h192
27.04 170km JPN5th Ultra-Trail Mt. Fuji 39:36:12 h384
24.03 112km JPN18th Mt. Rocco Cannonball Run - 112 km Power 18:20:00 h49
2017
16.09 102km JPN9th Shinetsu Five Mountains Trail 100 mile 19:16:52 h267
26.08 100mi USA19th Cascade Crest Classic 100 Mile 32:24:49 h83
15.07 100km JPN10th OSJ Ontake 100km Ultra Trail 13:22:54 h153
20.05 106km JPN2nd Trainic World 100 km in Sai-No-Kuni 24:47:55 h55
25.03 112km JPN16th Mt. Rocco Cannonball Run - 112 km Power 21:05:00 h164
14.01 100km HKG7th Hong Kong 100 Ultra Trail Race 19:22:16 h626
2016
16.12 70km JPNCoast to Coast 70k Trail Run 9:37:44 h179
11.12 71.7km JPN3rd Izu Trail Journey 11:57:28 h540
28.05 50km JPN2nd Mt. Hiei Int. 50 km Trail Run 9:42:06 h595
2015
17.10 112km JPN13th Mt. Rocco Cannonball Run - 112 km Power 19:08:00 h42
28.06 100km JPN30. Lake Saroma 100 km Ultramarathon 11:32:12 h1191
30.05 50km JPN1st Mt. Hiei Int. 50 km Trail Run 10:01:11 h274
15.03 72km JPN2nd Izu Trail Journey 11:41:28 h454
2014
30.11 50km JPNKumano Old Trails 8:51:30 h90
25.10 56km JPN11th Mt. Rocco Cannonball Run - 56 km Speed 8:02:00 h69
19.07 100km JPN7th OSJ Ontake 100km Ultra Trail 14:55:57 h318
2013
13.10 71.5km JPN21st Hasetsune Cup - Japan Mountain Endurance Race 18:15:09 h1397