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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Duffy, John   Submit Personal Website Send Link 
Club:  
Residence: Williamsburg, VA
Year of birth: 1963 (Cat. german: M60)
Date of birth: 00.00.0000 (Cat. internat.: M60)
Nationality: USA USA United States
RunnerID: 801784
 

2 search results (2 Events, 100 km).  (More)

2015 1 Event, 50 km  (More)
09.05.2015 Singletrack Maniac 50k Trail Run (USA) 50km
6:34:15 h Duffy, John *Williamsburg, VA  Overall: 34 M: 27 Cat M50: 3
2014 1 Event, 50 km  (More)
10.05.2014 Singletrack Maniac 50k Trail Run (USA) 50km
7:13:48 h Duffy, John *Williamsburg, VA  Overall: 36 M: 27 Cat M50: 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 2015 2014

Comparison table

Comparison of performances in races with multiple participations

   2015 2014
Singletrack Maniac 50k Trail Run 2 6:34:15 7:13:48