Yoshie Yabu

Born : 1968 Cat. W55 Ultrarunner since 2016

DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.

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

Countries visited ?

Thailand

United States

34,9%

Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 1 040; Σ finishers = 2 983. 1 040 / 2 983 × 100 = 34.86%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed17

Km — ultra races1 535 km

> 100 km3

> 160 km3

Longest race160,9 km

11th The Canyons Endurance 100 Miles Run — 26/4/2024

Km per year (ultra races)

2022

341

2023

422

2024

2025

2026

Race types (share of distance)

Road3,9%

Trail96,1%

Wins & podiums (ultra)

🏆 Win0

🏆 Win F0

🏅 Top 30

🏅 Top 3 F1

Longest winning streak0

Current streak0

Records

50 km5h24'50 100 km15h00'15 50 mi10h14'26 100 mi28h27'58

HISTORY

17 race(s)

Date		Race	Perf.	Rk
2026
31.01	50mi	13th Sean O'Brien 50 Mile Trail Race	14:04:58 h	49
2025
05.12	90km	2nd Chiangmai Thailand by UTMB - ELEPHANT 100	19:16:35 h	318
2024
26.04	100mi	11th The Canyons Endurance 100 Miles Run	33:34:24 h	161
09.03	100mi	10th Antelope Canyon 100 Mile Race	28:27:58 h	21
27.01	100km	11th Sean O'Brien 100 km Trail Race	16:45:30 h	72
2023
02.12	50mi	9th Ray Miller 50 Mile Trail Race	12:27:50 h	53
09.06	100mi	2nd Malibu Canyon Trail Races (SAMO 100 Mile)	30:01:12 h	17
28.01	100km	10th Sean O'Brien 100 km Trail Race	15:27:48 h	76
2022
05.02	50mi	9th Sean O'Brien 50 Mile Trail Race	11:37:41 h	26
2021
10.04	100km	10th The Zion 100 km Run	15:00:15 h	53
06.02	50km	1st Elder Creek 50 km Trail Run	5:44:35 h	10
2019
17.08	50mi	9th Kodiak 50 Mile Ultramarathon	14:58:20 h	56
09.03	50mi	6th Antelope Canyon 50 Mile Race	10:14:26 h	31
02.03	50km	3rd Griffith Park Trail Marathon	5:31:41 h	41
2018
28.07	50km	8th Harding Hustle 50K	6:17:33 h	21
20.01	50km	38th Avalon Benefit 50 km Run	5:24:50 h	22
2016
19.11	60km	36th NYRR Knickerbocker 60K	5:24:25 h	30

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Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	26/4/2024	11th The Canyons Endurance 100 Miles Run	160,93	×4
✓ 2	9/3/2024	10th Antelope Canyon 100 Mile Race	160,93	×4
✓ 3	9/6/2023	2nd Malibu Canyon Trail Races (SAMO 100 Mile)	160,93	×4
✓ 4	27/1/2024	11th Sean O'Brien 100 km Trail Race	100,00	×2
✓ 5	28/1/2023	10th Sean O'Brien 100 km Trail Race	100,00	×2
✓ 6	10/4/2021	10th The Zion 100 km Run	100,00	×2
✓ 7	5/12/2025	2nd Chiangmai Thailand by UTMB - ELEPHANT 100	90,00	×2
✓ 8	31/1/2026	13th Sean O'Brien 50 Mile Trail Race	80,47	×2
✓ 9	2/12/2023	9th Ray Miller 50 Mile Trail Race	80,47	×2
✓ 10	5/2/2022	9th Sean O'Brien 50 Mile Trail Race	80,47	×2
✓ 11	17/8/2019	9th Kodiak 50 Mile Ultramarathon	80,47	×2
✓ 12	9/3/2019	6th Antelope Canyon 50 Mile Race	80,47	×2
✓ 13	19/11/2016	36th NYRR Knickerbocker 60K	60,00	×1
✓ 14	6/2/2021	1st Elder Creek 50 km Trail Run	50,00	×1
✓ 15	2/3/2019	3rd Griffith Park Trail Marathon	50,00	×1
✓ 16	28/7/2018	8th Harding Hustle 50K	50,00	×1
✓ 17	20/1/2018	38th Avalon Benefit 50 km Run	50,00	×1