Seiya (小野田誠也) Onoda
ID 1190906
Born : 1978 Cat. M45 Ultrarunner since 2018 JPN
32
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
48
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 KongITAItalyJPNJapanTHAThailandTPETaiwan
19,4%
Rank quotient ?This runner's calculation uses 32 eligible race(s): Σ(rank − 1) = 3 445; Σ finishers = 17 777. 3 445 / 17 777 × 100 = 19.38%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed32
Km — ultra races2 719 km
> 100 km10
> 160 km4
Longest race171,0 km
3rd Thailand by UTMB - 100mi — 9/12/2022

Km per year (ultra races)

460
4 races
2022
362
5 races
2023
573
6 races
2024
494
6 races
2025
318
3 races
2026

Race types (share of distance)

Road11,0%
Trail89,0%

Records

50 km3h55'15100 km12h57'0950 mi9h41'13100 mi31h49'07

HISTORY

32 race(s)
DateRacePerf.Rk
2026
20.06 105km JPN2nd Kaga Spa by UTMB - Kaga Spa Trail Endurance100 16:45:11 h47
16.05 100mi JPN11th Trainic World 100 Mile in Sai-No-Kuni 34:19:50 h70
07.03 52km TPE1st Xtrail Kenting by UTMB - Xtrail 50K 5:30:40 h13
2025
06.12 48km THA2nd Chiangmai Thailand by UTMB - HMONG 50-NIGHT 6:55:30 h4
19.10 54km JPN11th Shigakogen Extreme Trail - Skyultra 7:23:03 h19
12.10 71.5km JPN33th Hasetsune Cup - Japan Mountain Endurance Race 10:30:54 h42
05.07 55km JPN3rd Shiga Kogen 55 6:16:54 h6
21.06 105km JPN1st Kaga Spa by UTMB - Kaga Spa Trail Endurance100 22:56:23 h168
17.05 100mi JPN10th Trainic World 100 Mile in Sai-No-Kuni 31:49:07 h16
2024
23.11 104km TPE8th Formosa Trail 104km 17:32:58 h8
20.10 54km JPN10th Shigakogen Extreme Trail - Skyultra 7:33:57 h16
13.10 71.5km JPN32th Hasetsune Cup - Japan Mountain Endurance Race 10:25:11 h78
26.08 148km ITA14ème Sur les Traces des Ducs de Savoie 38:40:40 h649
29.06 90km JPN3rd Central Alps Skyline Japan 13:04:37 h6
08.06 105km JPN2nd Okumusashi Long Trail Race 105K 20:39:19 h10
2023
04.11 50mi JPN10th Nakanoto Treasure Trail Run Festival 9:41:13 h18
21.10 50km JPN6th Iki 50 km Ultra Marathon 3:55:15 h10
08.10 71.5km JPN31th Hasetsune Cup - Japan Mountain Endurance Race 10:54:15 h130
30.07 55km ITA9° Royal Ultra Sky Marathon Gran Paradiso 12:22:55 h135
17.06 105km JPN1st Okumusashi Long Trail Race 105K 23:50:17 h24
2022
09.12 171km THA3rd Thailand by UTMB - 100mi 33:53:27 h57
15.10 50km JPN5th Iki 50 km Ultra Marathon 3:56:43 h5
09.10 71.5km JPN30th Hasetsune Cup - Japan Mountain Endurance Race 10:05:31 h59
22.04 167km JPN7th Ultra-Trail Mt. Fuji 29:48:41 h254
2021
12.12 69.1km JPN8th Izu Trail Journey 8:31:09 h87
2020
13.12 66km JPN7th Izu Trail Journey 8:36:53 h141
06.09 50km JPN13th OSJ Adatara Trail 50K 8:48:18 h108
17.01 56km HKG10th Hong Kong 100 Ultra Trail Race - Half 7:16:55 h34
2019
15.12 50km JPN4th Okinawa 50km Ultramarathon 4:19:55 h7
19.10 50km JPN4th Iki 50 km Ultra Marathon 4:56:06 h29
2018
20.10 100km JPN3rd Iki 100 km Ultra Marathon 12:57:09 h209
07.10 71.5km JPN26th Hasetsune Cup - Japan Mountain Endurance Race 19:36:38 h1018