Yasushi Saito
ID 318978
Born : 1967 Cat. M55 Ultrarunner since 2012 USA
50
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
1
Countries visited ?USAUnited States
10,3%
Rank quotient ?This runner's calculation uses 57 eligible race(s): Σ(rank − 1) = 869; Σ finishers = 8 470. 869 / 8 470 × 100 = 10.26%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed57
Km — ultra races4 108 km
> 100 km6
> 160 km5
> 24h1
Longest race162,2 km
3rd San Francisco Summer Solstice 24h — 20/6/2015

Km per year (ultra races)

180
3 races
2022
100
2 races
2023
50
1 race
2024
2025
2026

Race types (share of distance)

Road14,9%
Trail85,1%

Wins & podiums (ultra)

🏆 Win2
🏆 Win M3
🏅 Top 310
🏅 Top 3 M11
Longest winning streak1
Current streak0

Records

50 km3h52'55100 km10h45'4550 mi7h16'37100 mi20h40'286 h66,30 km24 h162,21 km

HISTORY

57 race(s)
DateRacePerf.Rk
2024
17.02 50km USA11th Chabot Trail Run 5:40:32 h8
2023
24.09 50km USA2nd South Hills Single Track Trail Run - Summer 5:01:40 h2 🥈
01.07 50km USA5th Golden State 50K 5:18:01 h11
2022
11.06 50km USA1st Mt. Umunhum Ultras - 50 km 6:18:21 h3 🥉
16.04 50km USA7th Woodside Purisima Creek Crossover 5:27:54 h9
12.03 50mi USA10th Marin Ultra Challenge 50 Mile Race 10:11:13 h22
2021
05.12 50mi USA13th Hunter S. Thompson Fear & Loathing 50 Miles 7:57:00 h2 🥈
23.10 50km USA38th Quicksilver 50 km Endurance Run 5:18:27 h21
2020
19.01 50km USA10th Crystal Springs 50 km Winter Trail Run 4:44:51 h6
2019
31.12 6h USA10th New Years One Day 6 Hour Run 57.936 km5
08.12 50km USA11th Hunter S. Thompson Fear & Loathing 50 km 4:42:00 h2 🥈
04.08 50km USA38th Skyline 50k Endurance Run 4:57:25 h20
15.06 50km USA9th Redwood (Spring) 50 km Trail Run 4:56:26 h7
23.03 50km USA3rd San Jose Trail Run 5:18:09 h7
27.01 50km USA13th Fremont Fat Ass 50k 4:02:00 h1 🏆
2018
08.12 50mi USA10th Hunter S. Thompson Fear & Loathing 50 Miles 8:04:00 h5
01.12 50km USA2nd Vista Verde Skyline Run 4:57:38 h7
29.09 50km USA5th Overlook Endurance Run 50K 5:00:09 h10
10.03 50km USA7th Marin Ultra Challenge 50 km Race 4:46:07 h14
2017
04.11 100mi USA17th Rio Del Lago 100 Mile Endurance Run 20:40:28 h24
07.10 50mi USA35th Dick Collins Firetrails 50 Mile 9:18:35 h4
19.08 100km USA16th Waldo 100K Trail Run 12:28:13 h23
04.02 50km USA39th Jed Smith Ultra Classic - 50 km Race 4:03:34 h7
2016
22.10 50km USA2nd Eldrith Gosney’s Pure Ultra 5:19:42 h8
01.10 110km USA2nd Folsom Lake Ultra Trail 13:23:50 h2 🥈
10.09 100mi USA7th Pine to Palm 100 Mile Endurance Run 27:10:11 h28
20.08 100km USA15th Waldo 100K Trail Run 13:28:34 h20
23.07 50km USA10th Salt Point Trail Run 5:46:23 h4
11.06 50km USA27th Shadow of the Giants 50K 4:15:23 h6
14.05 50km USA33rd Quicksilver 50 km Endurance Run 5:39:27 h15
07.05 100km USA21st Miwok 100k Trail Race 10:45:45 h18
16.04 50km USA30th Ruth Anderson Ultra 50km 3:52:55 h3 🥉
02.04 50mi USA37th American River 50 Mile Endurance Run 8:22:45 h37
05.03 6h USA4th Razorback 6 hour Endurance Race 66.304 km3 🥉
06.02 50km USA4th Fort Ord 50K Trail Run 4:38:52 h3 🥉
2015
07.11 100mi USA15th Rio Del Lago 100 Mile Endurance Run 20:52:48 h19
26.09 100mi USA3rd Mountain Lakes 100 20:44:00 h11
08.08 50km USA34th Skyline 50k Endurance Run 4:31:29 h14
20.06 24h USA3rd San Francisco Summer Solstice 24h 162.213 km17
09.05 50km USA32nd Quicksilver 50 km Endurance Run 4:57:15 h7
14.03 50km USA4th Marin Ultra Challenge 50 km Race 4:44:52 h13
07.02 50mi USA2nd Sean O'Brien 50 Mile Trail Race 8:39:12 h4
2014
07.12 50mi USA6th Hunter S. Thompson Fear & Loathing 50 Miles 7:30:00 h1 🏆
11.10 50mi USA32nd Dick Collins Firetrails 50 Mile 8:52:07 h26
19.07 50mi USA13th Tahoe Rim Trail 50M Endurance Run 10:55:10 h22
18.05 50km USA27th Ohlone 50K Wilderness Run 6:38:22 h59
05.04 50mi USA35th American River 50 Mile Endurance Run 7:16:37 h11
15.03 50km USA3rd Marin Ultra Challenge 50 km Race 4:44:25 h6
2013
07.12 50mi USA7th Endurance Challenge - California Trail 50 Mile 8:34:48 h55
12.10 50mi USA31st Dick Collins Firetrails 50 Mile 8:09:32 h20
24.08 31.5mi USA14th Tamalpa Headlands 50K 5:38:28 h41
11.08 50km USA32nd Skyline 50k Endurance Run 5:04:14 h45
22.06 50mi USA2nd Marin Ultra Challenge 50 Mile Race 8:38:40 h11
04.05 60km USA18th Miwok 60k Trail race 6:04:19 h21
2012
01.12 50mi USA6th Endurance Challenge - California Trail 50 Mile 8:22:15 h86
12.08 50km USA31st Skyline 50k Endurance Run 4:47:38 h22
07.04 50mi USA33rd American River 50 Mile Endurance Run 7:48:25 h48