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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: O'Brien, David   Submit Personal Website Send Link 
Club: Hereford Couriers 
Residence: Hereford
Year of birth: 1981 (Cat. german: M45)
Date of birth: hidden (Cat. internat.: M45)
Nationality: GBR GBR United Kingdom
RunnerID: 449805
 

42 search results (42 Events, 2965.377 km).  (More)

2025 4 Events, 270.7 km  (More)
07.12.2025 Hurtwood 50k Endurance Trail Run (GBR) 50km
5:44:40 h O'Brien, David Hereford Couriers  Overall: 64 M: 61 Cat M40: 9
11.05.2025 Northants Ultra 35 Shires & Spires (GBR) 35mi
6:07:24 h O'Brien, David   Overall: 22 M: 20 Cat M40: 6
26.-27.04.2025 Chiltern Hills 100K (GBR) 100km
11:37:37 h O'Brien, David   Overall: 17 M: 14 Cat M40: 2
05.04.2025 The CANUM - Canal Ultra Marathon (GBR) 40mi
6:05:00 h O'Brien, David Hereford Couriers  Overall: 9 M: 7 Cat M40: 4
2024 7 Events, 528.801 km  (More)
12.-13.10.2024 Autumn 100 Mile Race (GBR) 100mi
20:55:35 h O'Brien, David   Overall: 27 M: 23 Cat M40: 11
21.09.2024 Chiltern Wonderland 50 (GBR) 50mi
8:45:16 h O'Brien, David   Overall: 17 M: 14 Cat M40: 4
07.09.2024 The Ridum - Ridgeway Ultra Marathon (GBR) 30mi
5:38:00 h O'Brien, David Hereford Couriers  Overall: 12 M: 10 Cat M40: 1
06.07.2024 The PIGUM 30 (GBR) 30mi
6:01:00 h O'Brien, David Hereford Couriers  Overall: 24 M: 20 Cat M40: 3
06.04.2024 The CANUM - Canal Ultra Marathon (GBR) 40mi
7:00:00 h O'Brien, David Hereford Couriers  Overall: 10 M: 9 Cat M40: 3
02.03.2024 Chester Ultra 50 (GBR) 50mi
10:14:05 h O'Brien, David Hereford Couriers  Overall: 74 M: 68 Cat M40: 12
23.02.2024 Transgrancanaria Maratón 46 km (ESP) 46km
6:50:03 h O'Brien, David *Hereford  Overall: 325 M: 267 Cat M40: 50
2023 5 Events, 417.462 km  (More)
17.-18.06.2023 Mozart Ultra 81 km (AUT) 81km
13:43:56 h O'Brien, David Hereford Couriers  Overall: 111 M: 103 Cat M40: 27
06.-07.05.2023 Thames Path 100 (GBR) 100mi
24:16:21 h O'Brien, David Hereford Couriers  Overall: 101 M: 92 Cat M40: 22
26.03.2023 Salcey 50 km (GBR) 50km
5:42:51 h O'Brien, David Hereford Couriers  Overall: 7 M: 5 Cat M40: 3
04.03.2023 Chester Ultra 50 Miles (GBR) 50mi
8:25:12 h O'Brien, David Hereford Couriers  Overall: 18 M: 18 Cat M40: 5
18.02.2023 Winter Railway Ultra 28mi (GBR) 28mi
4:29:28 h O'Brien, David   Overall: 11 M: 7 Cat M40: 1
2022 3 Events, 163.044 km  (More)
24.09.2022 Snowdonia Trail Running Challenge 52km – Autumn Crossing (GBR) 52km
9:15:14 h O'Brien, David   Overall: 36 M: 34 Cat M40: 4
18.09.2022 Warwickshire Bear Ultra (GBR) 39mi
6:08:37 h O'Brien, David Hereford Couriers  Overall: 8 M: 8 Cat M40: 5
03.09.2022 The Ridum - Ridgeway Ultra Marathon (GBR) 30mi
6:11:00 h O'Brien, David Hereford Couriers  Overall: 26 M: 21 Cat M40: 2
2021 2 Events, 145.001 km  (More)
21.08.2021 Big Day out - The Crossing (GBR) 36.5mi
6:48:43 h O'Brien, David   Overall: 28 M: 22 Cat M40: 2
19.-20.06.2021 Race to the King (GBR) 53.6mi
9:32:52 h O'Brien, David   Overall: 51 M: 46 Cat M40: 11
2020 3 Events, 175.42 km  (More)
17.10.2020 Maverick X & Ultra Jurassic Coast (GBR) 53km
6:20:04 h O'Brien, David   Overall: 55 M: 51 Cat M35: 10
26.09.2020 Chiltern 50 Challenge (GBR) 50km
4:56:34 h O'Brien, David   Overall: 12 M: 11 Cat M35: 4
07.03.2020 Winter Green Man Ultra 45 (GBR) 45mi
10:10:34 h O'Brien, David   Overall: 69 M: 62 Cat M35: 16
2019 3 Events, 176.136 km  (More)
06.07.2019 The Howum - Heart of Wales Ultra Marathon (GBR) 30.3mi
6:34:00 h O'Brien, David   Overall: 16 M: 19 Cat M35: 4
15.06.2019 mozart Ultra (AUT) 63km
7:22:07 h O'Brien, David *Hereford  Overall: 21 M: 18 Cat M35: 5
01.06.2019 The Vogum - Vale of Glamorgan Ultra Marathon (GBR) 40mi
7:34:00 h O'Brien, David   Overall: 7 M: 7 Cat M35: 2
2018 5 Events, 442.9 km  (More)
11.-12.08.2018 Wye Valley Challenge (GBR) 100km
10:52:46 h O'Brien, David   Overall: 1 M: 1 Cat M35: 1
01.-02.06.2018 Jurassic Coast 100 Mile Ultra (GBR) 100mi
34:29:00 h O'Brien, David   Overall: 28 M: 23 Cat M35: 5
28.04.2018 Butcombe Trail Ultra (GBR) 50mi
11:12:55 h O'Brien, David   Overall: 52 M: 43 Cat M35: 9
07.04.2018 Vale of Glamorgan Coastal ultra 32 Miles (GBR) 32mi
6:08:16 h O'Brien, David   Overall: 23 M: 21 Cat M35: 4
24.03.2018 The Silkin Way Ultra (GBR) 50km
4:44:28 h O'Brien, David   Overall: 3 M: 3 Cat M35: 2
2017 2 Events, 123.42 km  (More)
08.04.2017 Coastal Trail Series - Exmoor Ultra Plus (GBR) 45mi
10:34:13 h O'Brien, David   Overall: 18 M: 18 Cat M35: 5
25.03.2017 Maurice Mullins Ultra (IRL) 51km
6:24:31 h O'Brien, David *Galway  Overall: 104 M: 97 Cat M35: 26
2016 5 Events, 327.166 km  (More)
14.08.2016 Salisbury 54321 Trail Races (GBR) 50km
4:52:53 h O'Brien, David Wye Valley Runners  Overall: 18 M: 16 Cat M35: 5
28.-29.05.2016 London 2 Brighton Challenge (GBR) 100km
11:52:12 h O'Brien, David   Overall: 23 M: 20 Cat M35: 2
01.05.2016 Brecon to Cardiff Ultra (GBR) 70km
7:03:22 h O'Brien, David WYE Valley Runners  Overall: 8 M: 7 Cat M35: 2
26.03.2016 Wicklow Way 51 km Ultra (IRL) 51km
6:53:34 h O'Brien, David *Galway  Overall: 135 M: 123 Cat M35: 26
06.02.2016 Coastal Trail Series - South Devon Ultra (GBR) 34.9mi
7:02:27 h O'Brien, David   Overall: 29 M: 24 Cat M35: 7
2015 1 Event, 56.327 km  (More)
07.06.2015 Northants Ultra 35 (GBR) 35mi
6:58:12 h O'Brien, David   Overall: 111 M: 92 Cat M23: 14
2014 1 Event, 50 km  (More)
12.10.2014 Royal Park Ultra (GBR) 50km
5:32:54 h O'Brien, David   Overall: 212 M: 156 Cat M23: 20
2013 1 Event, 89 km  (More)
07.09.2013 10 Peaks Brecon Beacons - Long Trail (GBR) 89km
23:08:15 h O'Brien, David   Overall: 72 M: 68 Cat M23: 21

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 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013

Comparison table

Comparison of performances in races with multiple participations

   2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The Ridum - Ridgeway Ultra Marathon 2   5:38:00   6:11:00                  
The CANUM - Canal Ultra Marathon 2 6:05:00 7:00:00                      
Chester Ultra 50 Miles 2   10:14:05 8:25:12                    
Northants Ultra 35 2 6:07:24                   6:58:12    
mozart Ultra 2     13:43:56       7:22:07            
Wicklow Way 51 km Ultra 2                 6:24:31 6:53:34