Select your language:
Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: O'Brien, Thomas (Toni)   Submit Personal Website Send Link 
Club:  
Residence: TX
Year of birth: 1935 (Cat. german: M90)
Date of birth: 00.00.0000 (Cat. internat.: M90)
Nationality: USA USA United States
RunnerID: 280104
 

20 search results (18 Events, 1770.06 km).  (More)

1988 3 Events, 298.182 km  (More)
25.-26.06.1988 Western States 100 Mile Endurance Run (USA) 100mi
27:34:38 h O'Brien, Thomas (Toni)   Overall: 175 M: 162 Cat M50: 15
09.04.1988 Great Maumelle Scenic 60K (USA) 60km
6:18:00 h O'Brien, Thomas (Toni)   Overall: 21 M: 20 Cat M50: 1
19.03.1988 Cross Timbers Trail Run (USA) 48mi
11:09:58 h O'Brien, Thomas (Toni)   Overall: 43 M: 40 Cat M50: 2
1986 1 Event, 77.248 km  (More)
22.03.1986 Cross Timbers Trail Run (USA) 48mi
11:32:56 h O'Brien, Thomas (Toni)   Overall: 31 M: 26 Cat M50: 3
1984 5 Events, 498.521 km  (More)
23.-25.11.1984 Dallas UltraRunners 48 Hour Track Race (USA) 48h
240.806 km O'Brien, Thomas (Toni) *TX  Overall: 5 M: 5 Cat M45: 2
03.11.1984 Tulsa Ultrarunners 50 Mile Race (USA) 50mi
8:58:17 h O'Brien, Thomas (Toni) *TX  Overall: 4 M: 3 Cat M45: 2
29.09.1984 Tulsa Ultrarunners 50 Km Race (USA) 50km
4:37:48 h O'Brien, Thomas (Toni) *TX  Overall: 7 M: 6 Cat M45: 2
28.04.1984 Kahlua Bay 50k (USA) 50km
8:14:00 h O'Brien, Thomas (Toni) *TX  Overall: 14 M: 11 Cat M45: 3
24.03.1984 Cross Timbers Trail Run (USA) 48mi
11:13:00 h O'Brien, Thomas (Toni)   Overall: 22 M: 20 Cat M45: 3
1983 3 Events, 334.048 km  (More)
12.-13.11.1983 Dallas UltraRunners 24 Hour Track Race (USA) 24h
133.575 km O'Brien, Thomas (Toni)   Overall: 7 M: 6 Cat M45: 1
25.-26.06.1983 Western States 100 Mile Endurance Run (USA) 93.5mi
29:30:00 h O'Brien, Thomas (Toni)   Overall: 192 M: 173 Cat M45: 17
19.02.1983 Gulf TAC Ultradistance Championships - 50 Km (USA) 50km
4:51:50 h O'Brien, Thomas (Toni)   Overall: 17 M: 15 Cat M45: 4
1982 6 Events, 562.061 km  (More)
13.-14.11.1982 Dallas UltraRunners 24 Hour Track Race (USA) 24h
120.700 km O'Brien, Thomas (Toni)   Overall: 5 M: 5 Cat M45: 1
13.11.1982 Dallas UltraRunners 24 Hour Track Race - 50mi Split (USA) 50mi
14:48:54 h O'Brien, Thomas (Toni)   Overall: 13 M: 12 Cat M45: 3
13.11.1982 Dallas UltraRunners 24 Hour Track Race - 100km Split (USA) 100km
20:07:52 h O'Brien, Thomas (Toni)   Overall: 7 M: 7 Cat M45: 1
11.-12.09.1982 Tulsa 24 Hour (USA) 24h
125.931 km O'Brien, Thomas (Toni) *TX  Overall: 4 M: 4 Cat M45: 1
31.07.1982 Minnesota Voyageur Trail 50 Mile Ultra (USA) 48mi
12:05:50 h O'Brien, Thomas (Toni)   Overall: 34 M: 33 Cat M45: 1
22.05.1982 Ice Age Trail 50 Mile Run (USA) 50mi
11:29:15 h O'Brien, Thomas (Toni) *TX  Overall: 63 M: 63 Cat M45: 5
31.03.1982 Cross Timbers Trail Run (USA) 48mi
11:59:00 h O'Brien, Thomas (Toni)   Overall: 9 M: 9 Cat M45: 2
23.01.1982 Jackson Five-O - Edition B (USA) 50mi
9:14:57 h O'Brien, Thomas (Toni)   Overall: 20 M: 18 Cat M45: 1

Personal bests

Your list of personal best performances only contains performances of races which can be included into rankings.

In brackets rank in yearly international/national rankings.

 PB 1988 1986 1984 1983 1982
50mi 14:48:54  
 
 
 
14:48:54
 
100km 20:07:52  
 
 
 
20:07:52
 
24h 133.575  
 
 
133.575
  		120.700
 
48h 240.806  
 
240.806
  		 
 

Comparison table

Comparison of performances in races with multiple participations

   1988 1986 1984 1983 1982
Cross Timbers Trail Run 4 11:09:58 11:32:56 11:13:00   11:59:00
Dallas UltraRunners 24 Hour Track Race 2       133.575 120.700
Western States 100 Mile Endurance Run 2 27:34:38     29:30:00