Select your language:
Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Grayson, Mark   Submit Personal Website Send Link 
Club:  
Residence: St. Louis, MO
Year of birth: 1952 (Cat. german: M70)
Date of birth: 00.00.0000 (Cat. internat.: M70)
Nationality: USA USA United States
RunnerID: 19524
 

7 search results (7 Events, 390.471 km).  (More)

2013 1 Event, 52.258 km  (More)
15.-16.03.2013 Howard Aslinger 12 Hour Endurance Run (USA) 12h
52.258 km Grayson, Mark *St. Louis, MO  Overall: 21 M: 12 Cat M60: 1
2012 1 Event, 50.678 km  (More)
16.-17.03.2012 Howard Aslinger 12 Hour Endurance Run (USA) 12h
50.678 km Grayson, Mark *St. Louis, MO  Overall: 24 M: 13 Cat M55: 1
2006 3 Events, 182.979 km  (More)
12.08.2006 Howl at the Moon 8h Run (USA) 8h
65.146 km Grayson, Mark *Saint Louis, MO  Overall: 53 M: 39 Cat M50: 10
08.07.2006 Rattlesnake Trail 50K Ultrarun (USA) 50km
8:34:41 h Grayson, Mark *MO  Overall: 79 M: 60 Cat M50: 7
03.-04.06.2006 FANS 12 Hour Run (USA) 12h
67.833 km Grayson, Mark *St. Louis, MO  Overall: 22 M: 16 Cat M50: 3
2005 2 Events, 104.556 km  (More)
13.08.2005 Howl at the Moon 8h Run (USA) 8h
54.556 km Grayson, Mark *Saint Louis, MO  Overall: 75 M: 52 Cat M50: 6
19.02.2005 50km Silver Comet Ultra Run (USA) 50km
6:47:53 h Grayson, Mark   Overall: 50 M: 34 Cat M50: 7

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 2013 2012 2006 2005
50km 6:47:53  
 
 
6:47:53
(3143/365)
12h 67.833  
 
67.833
(720/73) 		 

Comparison table

Comparison of performances in races with multiple participations

   2013 2012 2006 2005
Howl at the Moon 8h Run 2     65.146 54.556
Howard Aslinger 12 Hour Endurance Run 2 52.258 50.678