Select your language:
Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: O'Brien, Derek   Submit Personal Website Send Link 
Club: Lusk AC 
Residence: Dublin
Year of birth: 1978 (Cat. german: M45)
Date of birth: hidden (Cat. internat.: M45)
Nationality: IRL IRL Ireland
RunnerID: 633755
 

4 search results (4 Events, 210 km).  (More)

2025 1 Event, 50 km  (More)
08.02.2025 Donadea 50k Race (IRL) 50km
3:39:17 h O'Brien, Derek Lusk AC  Overall: 19 M: 18 Cat M45: 5
2023 2 Events, 105 km  (More)
13.05.2023 Ultra-Trail Snowdonia - 50K (GBR) 55km
12:13:48 h O'Brien, Derek TT Racers  Overall: 639 M: 506 Cat M45: 55
25.03.2023 Maurice Mullins Ultra 50km (IRL) 50km
5:54:04 h O'Brien, Derek Lusk AC  Overall: 45 M: 40 Cat M40: 12
2015 1 Event, 55 km  (More)
16.-17.01.2015 The Art O´Neill Ultra Run (IRL) 55km
10:03:48 h O'Brien, Derek   Overall: 72 M: 64 Cat M35: 14

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 2025 2023 2015
50km 3:39:17 3:39:17
(606/16)