Tetsuro (尾形鉄郎) Ogata
ID 46576
Born : 1982 Cat. M40 Ultrarunner since 2004 JPN
59
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
80
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
2
Countries visited ?JPNJapanUSAUnited States
29,8%
Rank quotient ?This runner's calculation uses 67 eligible race(s): Σ(rank − 1) = 4 286; Σ finishers = 14 383. 4 286 / 14 383 × 100 = 29.80%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed68
Km — ultra races8 630 km
> 100 km40
> 160 km38
> 24h6
> 48h1
Longest race170,6 km
11th Cruel Jewel 100 Mile — 19/5/2023

Km per year (ultra races)

322
2 races
2022
592
4 races
2023
583
4 races
2024
2025
145
2 races
2026

Race types (share of distance)

Road25,6%
Trail73,3%
Stage1,2%

Wins & podiums (ultra)

🏆 Win4
🏆 Win M5
🏅 Top 38
🏅 Top 3 M9
Longest winning streak1
Current streak1

Records

50 km5h49'07100 km8h17'4550 mi8h50'43100 mi18h31'1824 h164,25 km

HISTORY

67 race(s) · 2 stage(s) nested
DateRacePerf.Rk
2026
19.06 100km USA17th Orange Curtain 100km Ultra Race 8:51:00 h1 🏆
28.02 45km JPN7th Zentsuji Mt.Gogaku 6:37:01 h12
2024
12.10 100mi USA8th Canal Corridor 100 Mile Endurance Run 21:57:17 h49
22.06 24h USA15th Orange Curtain 24 Hour Ultra Race 160.934 km2 🥈
20.04 100mi USA31st Leona Divide 100 Miles Run 29:18:09 h19
04.02 100km JPN3rd Amami yori yori Run 9:23:30 h2 🥈
2023
07.10 100mi USA7th Canal Corridor 100 Mile Endurance Run 22:39:57 h47
19.05 106mi USA11th Cruel Jewel 100 Mile 41:48:51 h86
18.03 100mi USA9th The Pistol 100 Mile Ultra Run 27:45:59 h32
04–05.03 100km/2stages JPN2nd Ultra Udon Maranic 13:03:35 h30
2022
12.11 24h USA6th The Stinger 24 Hour Race 160.966 km15
13.05 100mi USA1st Malibu Canyon Trail Races (SAMO 100 Mile) 29:43:58 h16
2020
22.02 45.6km JPN3rd Zentsuji Mt.Gogaku 6:27:05 h6
2019
05.10 24h USA2nd Back On the Ranch Trail 24 Hour Run 161.739 km4
14.09 100mi USA13th Headlands Hundred 100 Mile Endurance Run 26:14:14 h14
06.09 100mi USA40th Wasatch Front 100 Mile 32:42:27 h110
29.06 24h USA2nd Cirque to Griffith Park 24 Hour Run 164.249 km6
09.03 50mi USA8th Marin Ultra Challenge 50 Mile Race 8:50:43 h24
2018
15.12 50km USA3rd Paramount Ranch Trail Run 5:49:07 h16
06.10 24h USA1st Back On the Ranch Trail 24 Hour Run 163.815 km1 🏆
07.07 100mi USA2nd Canal Corridor 100 Mile Endurance Run 18:33:26 h5
24.02 100km USA9th Orange Curtain 100km Ultra Race 8:46:03 h1 🏆
2017
15.10 100km JPN23rd River Shimanto 100km 8:43:02 h39
31.08 83h USA3rd A Race for the Ages 160.934 km77
05.08 100mi USA30th Angeles Crest 100 Mile 29:59:20 h61
08.07 100mi USA1st Canal Corridor 100 Mile Endurance Run 20:51:51 h6
18.06 100km JPN12. Okinoshima 100km Ultra Marathon 8:29:22 h8
2016
18.12 100km JPN1st Okinawa 100km Ultramarathon 9:26:33 h13
16.10 100km JPN22nd River Shimanto 100km 8:34:40 h30
24.09 100km USA1st Silverton Ultra Dirty - 100K 17:59:45 h20
17.09 100mi USA5th Idaho Mountain Trail Ultra Festival (IMTUF 100) 35:07:42 h68
06.03 100km JPN2nd Nagoura Marathon 100 km 8:50:17 h3 🥉
2015
18.09 100mi USA9th Run Rabbit Run 100 Mile UltraMarathon - Tortoises Run 33:47:37 h76
12.09 100mi USA6th Pine to Palm 100 Mile Endurance Run 29:16:43 h45
08.08 102.5mi USA1st Silverheels Trail Run - 100mi 34:47:00 h30
03.05 130km USA3rd Badwater Salton Sea 24:19:50 h28
2013
16.11 100mi USA5th The Chimera 100 Mile Mountain Race 28:10:04 h33
29.09 100km JPN1st 100 km Ultramarathon Hakusan-Shirakawago 9:21:47 h19
20.07 100mi USA12th Tahoe Rim Trail 100M Endurance Run 28:59:19 h55
12.07 100mi USA20th Hardrock Hundred Endurance Run 42:42:44 h72
26.04 100mi USA3rd Salt Flats 100 Mile 22:16:58 h5
30.03 68mi USA1st Coyote Cohorts Backbone Trail Ultra 15:24:00 h29
2012
21.10 100km JPN18th River Shimanto 100km 8:17:45 h15
18.08 100mi USA2nd Run-de-Vous 100 Mile Endurance Run 18:31:18 h2 🥈
28.07 50km USA5th Speedgoat 50k 8:08:12 h82
2011
03.12 100mi USA1st Cajun Coyote 100 Mile Trail Run 18:38:00 h1 🏆
16.10 100km JPN17th River Shimanto 100km 12:56:42 h648
23.09 100mi USA13th The Bear 100 Mile Endurance Run 29:17:51 h72
17.09 100mi USA2nd Pine to Palm 100 Mile Endurance Run 29:31:00 h31
09.09 100mi USA32nd Wasatch Front 100 Mile 35:30:10 h175
27.08 100mi USA13th Cascade Crest Classic 100 Mile 27:53:10 h53
30.07 50km USA4th Speedgoat 50k 8:23:01 h68
23.07 100mi USA24th Angeles Crest 100 Mile 30:57:18 h46
28.05 50mi USA2nd Pocatello 50 Mile Trail Run 13:54:31 h59
14.05 100mi USA17th Massanutten Mountain Trails 100 Mile 28:28:19 h32
25.03 100mi USA6th Antelope Island Buffalo Run 100 Mile 22:29:44 h14
2010
17.10 100km JPN16th River Shimanto 100km 13:07:45 h702
15.10 100mi USA5th Pony Express Trail 100 Mile 25:53:29 h4
16.05 53km JPNTsurugi Naka Trail Running Race 6:17:03 h8
05.03 100mi USA3rd Coyote Two Moon Ultras 100 Mile 33:52:00 h14
2009
22.08 100mi USA27th Leadville Trail 100 Mile 28:54:22 h183
18.07 50km USA2nd Speedgoat 50k 10:41:00 h78
13.03 100mi USA2nd Coyote Two Moon Ultras 100 Mile 32:08:00 h20
2008
19.10 100km JPN14th River Shimanto 100km 9:36:14 h73
26.07 50km USA1st Speedgoat 50k 10:37:33 h71
21.03 100km USA1st Coyote Two Moon Ultras 100 km 17:29:00 h12
2004
17.10 100km JPN10th River Shimanto 100km 12:47:13 h675