Tomotaka (亀井智貴) Kamei
ID 10125
Born : 1965 Cat. M60 Ultrarunner since 2001 JPN
43
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
81
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
18
Countries visited ?ARGArgentinaATAAntarcticaAUSAustraliaCHIChileCHNChinaEGYEgyptFINFinlandGREGreeceISLIcelandJORJordanJPNJapanMADMadagascarMGLMongoliaNAMNamibiaNZLNew ZealandRSASouth AfricaUSAUnited StatesUZBUzbekistan
37,6%
Rank quotient ?This runner's calculation uses 43 eligible race(s): Σ(rank − 1) = 8 710; Σ finishers = 23 181. 8 710 / 23 181 × 100 = 37.57%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed102
Km — ultra races8 009 km
> 100 km32
> 160 km26
> 200 km25
> 24h4
> 48h1
Longest race250,0 km
Racing the Planet - Jordan 2024 — 22/9/2024

Km per year (ultra races)

2022
2023
250
1 race
2024
230
1 race
2025
2026

Race types (share of distance)

Road23,9%
Trail31,7%
Stage42,3%
?2,1%

Records

100 km9h57'2024 h203,25 km6 d126,30 km

HISTORY

43 race(s) · 3 split(s) nested
DateRacePerf.Rk
2025
26.04 230km/6stages UZB1st GlobalLimits Uzbekistan - Footsteps of Alexander the Great 41:38:17 h58
2024
22.09 250km/6stages JORRacing the Planet - Jordan 2024 2d 15:14:00 h73
2019
03.03 250km/6stages NZLRacing the Planet - New Zealand 2019 2d 10:58:36 h72
2018
29.07 250km/6stages MGL15th Gobi March Mongolia 40:06:33 h82
2017
12.11 250km/6stages ARGRacing the Planet - Patagonia 2017 44:30:41 h211
2016
01.05 250km/6stages NAMSahara Race Namibia 40:44:15 h62
2014
22.11 60km JPN1st Kiso-Sansen 60 km Ultra-Marathon 7:21:05 h921
01.11 6d ATA6° The Last Desert Antarctica 126.300 km13
31.08 250km/6stages MADRacing the Planet - Madagascar 2014 2d 09:40:45 h155
2013
06.12 211km AUSCoast to Kosci Ultramarathon - Inclement Weather Finish 38:16:32 h39
04.08 250km/6stages ISLRacing the Planet - Iceland 2013 2d 01:05:29 h161
09.06 100km JPN2nd Hida Takayama 100 km Ultramarathon 13:41:02 h740
03.03 250km/6stages CHI9th Atacama Crossing 2d 09:35:43 h98
2012
28.10 250km/6stages EGYSahara Race Egypt 45:24:10 h47
10.06 250km/6stages CHNGobi March China 40:24:27 h55
22.04 100km JPN22nd Fuji 5 Lakes 100 km Challenge 12:31:40 h494
2011
11.07 135mi USA25th Badwater Ultramarathon 44:59:18 h72
30.04 100km JPN21st Fuji 5 Lakes 100 km Challenge 12:32:52 h414
29.01 24h FINIV Endurance 24 h Ultrarun Helsinki 164.218 km41
2010
18.07 100km JPN3rd OSJ Ontake 100km Ultra Trail 15:17:35 h146
25.04 100km JPN20th Fuji 5 Lakes 100 km Challenge 10:38:29 h124
2009
25.09 245.3km GRE27. Spartathlon 35:44:01 h119
02.08 75km JPN16. Ultramarathon Okumusashi 7:07:58 h87
2008
26.09 245.3km GRE26. Spartathlon 32:46:26 h54
03.08 75km JPN15. Ultramarathon Okumusashi 7:43:23 h111
05.07 24h JPN3rd Jingu Gaien 24 Hour Challenge 134.796 km33
2007
21.04 250km JPN14. Sakura Michi Kokusai Nature Run 35:17:00 h56
2006
29.09 245.3km GRE24. Spartathlon 35:54:34 h93
13.08 75km JPN13. Ultramarathon Okumusashi 7:54:30 h108
03.06 24h JPN4th Akiruno 24 Hour Race Japan Cup 203.253 km13
22.04 250km JPN13. Sakura Michi Kokusai Nature Run 35:25:00 h50
2005
23.04 250km JPN12. Sakura Michi Kokusai Nature Run 35:53:00 h57
2004
17.10 100km JPN10th River Shimanto 100km 9:57:20 h131
24.07 132km/2stages JPNYashagaike Legend Maranic 132 km 14:44:55 h19
16.06 87km road race RSA79th Comrades Marathon - Up Run 9:30:29 h3243
2003
26.09 245.3km GRE21. Spartathlon 35:59:01 h82
26.07 132km/2stages JPNYashagaike Legend Maranic 132 km 18:02:29 h116
19.04 250km JPN10. Sakura Michi Kokusai Nature Run 35:30:00 h52
2002
27.09 245.3km GRE20. Spartathlon 35:50:45 h86
27.07 132km/2stages JPNYashagaike Legend Maranic 132 km 14:13:49 h16
20.04 250km JPN9. Sakura Michi Kokusai Nature Run 35:27:00 h47
2001
28.09 245.3km GRE19. Spartathlon 35:31:55 h67
21.07 132km/2stages JPNYashagaike Legend Maranic 132 km 16:09:36 h35