Derek O'Brien
2024
Details
3026M45
2023
Details
1457M45
| Date | Race | Course | Time | % of Winner's Time | M/F Rank | Cat. Rank |
|---|---|---|---|---|---|---|
| 4 Mar | Annacurra | L | 1:03:37 | 130% | 31 | 7 |
| 25 Mar | Maurice Mullins 50K | L | 5:54:04 | 143% | 39 | 9 |
| 3 May | Ardgillan | L | 0:40:01 | 112% | 17 | 5 |
| 7 Jun | Howth Summer | L | 0:43:07 | 118% | 13 | 3 |
| 24 Jun | Slieve Bloom Way Ultra | L | DNF | 45 | 14 | |
| 2 Sep | Carlingford - Fox's Rock | L | 2:20:03 | 150% | 18 | 6 |
| 11 Nov | Powerscourt Ridge | L | 1:42:20 | 139% | 56 | 10 |
| 27 Dec | Djouce Remembrance Race | L | 0:35:40 | 130% | 33 | 9 |
2022
Details
871M40
| Date | Race | Course | Time | % of Winner's Time | M/F Rank | Cat. Rank |
|---|---|---|---|---|---|---|
| 13 Mar | Annagh Hill | L | 1:06:00 | 122% | 8 | 3 |
| 19 Mar | Wicklow Way Half | L | 2:03:48 | 132% | 20 | 9 |
| 30 Apr | Ballyhoura Trail HALF Marathon | L | 1:53:03 | 118% | 7 | 1 |
| 18 May | Ardgillan | L | 0:39:37 | 117% | 12 | 5 |
| 25 May | Howth Summer | L | 1:02:01 | 127% | 15 | 5 |
2021
Details
218M40
| Date | Race | Course | Time | % of Winner's Time | M/F Rank | Cat. Rank |
|---|---|---|---|---|---|---|
| 16 Jun | Belmont - Little Sugar Loaf | L | 0:47:49 | 120% | 13 | 5 |
| 11 Aug | Howth Summer | L | 1:01:49 | 109% | 10 | 4 |
| 15 Aug | Annagh Hill | L | 1:10:35 | 138% | 13 | 4 |
2020
Details
745M40
| Date | Race | Course | Time | % of Winner's Time | M/F Rank | Cat. Rank |
|---|---|---|---|---|---|---|
| 15 Feb | Slí Mhúscraí Half | L | 2:44:15 | 129% | 18 | 7 |
| 29 Feb | Ticknock Winter | L | 0:30:40 | 124% | 26 | 5 |
| 19 Sep | Maurice Mullins Half | L | 2:00:43 | 104% | 4 | 1 |
| 3 Oct | Devil's Glen | L | 0:38:50 | 115% | 5 | 1 |
2019
Details
1210M40
| Date | Race | Course | Time | % of Winner's Time | M/F Rank | Cat. Rank |
|---|---|---|---|---|---|---|
| 19 Jan | Howth Winter | L | 0:35:49 | 119% | 24 | 8 |
| 2 Mar | Ticknock Winter | L | 0:46:03 | 122% | 11 | 3 |
| 23 Mar | Maurice Mullins Half | L | 2:22:19 | 142% | 26 | 10 |
| 7 Jul | Carrauntoohill Classic | L | 2:10:00 | 133% | 31 | 15 |
| 13 Oct | Dublin Mountain Half: To Hell with the Fairies | L | 2:14:48 | 138% | 33 | 11 |
| 23 Nov | Powerscourt Ridge | L | 1:42:43 | 134% | 30 | 8 |
2018
Details
419M40
| Date | Race | Course | Time | % of Winner's Time | M/F Rank | Cat. Rank |
|---|---|---|---|---|---|---|
| 14 Jan | Howth Winter | L | 0:41:08 | 136% | 91 | 34 |
| 20 Jun | Howth Summer | L | 0:50:07 | 117% | 34 | 17 |
| 14 Jul | Carlingford - Fox's Rock | L | 2:18:31 | 161% | 13 | 7 |
| 7 Oct | Dublin Mountain Half to Hell with the Fairies | L | 2:06:20 | 128% | 43 | 15 |
