| 2025 V55 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| parkrun | 24:28 | | | | 57 | | | 1 | Monsal Trail | Monsal Trail parkrun # 278 | 15 Feb 25 |
| parkrun | 25:46 | | | | 187 | | | 1 | Rickmansworth | Rickmansworth parkrun # 359 | 17 May 25 |
| parkrun | 30:02 | | | | 202 | | | | Wycombe Rye | Wycombe Rye parkrun # 589 | 21 Jun 25 |
| 10K | 53:21 | | | 54:30 | 708 | | 165 | 3 | Edinburgh | Edinburgh Marathon Festival 10K | 24 May 25 |
| HM | 1:51:58 | c | | | 4464 | | 949 | 25 | Cambridge | Cambridge Half Marathon | 9 Mar 25 |
| 2024 V50 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| parkrun | 21:44 | | | | 53 | | | 1 | Rickmansworth | Rickmansworth parkrun # 304 | 4 May 24 |
| parkrun | 21:47 | | | | 58 | | | 1 | Rickmansworth | Rickmansworth parkrun # 307 | 25 May 24 |
| parkrun | 21:51 | | | | 60 | | | 1 | Rickmansworth | Rickmansworth parkrun # 331 | 9 Nov 24 |
| parkrun | 21:55 | | | | 53 | | | 1 | Rickmansworth | Rickmansworth parkrun # 305 | 11 May 24 |
| parkrun | 21:55 | | | | 54 | | | 1 | Rickmansworth | Rickmansworth parkrun # 314 | 13 Jul 24 |
| parkrun | 22:00 | | | | 91 | | | 1 | Rickmansworth | Rickmansworth parkrun # 330 | 2 Nov 24 |
| parkrun | 22:04 | | | | 51 | | | 1 | Monsal Trail | Monsal Trail parkrun # 260 | 26 Oct 24 |
| parkrun | 22:05 | | | | 48 | | | 1 | Rickmansworth | Rickmansworth parkrun # 325 | 28 Sep 24 |
| parkrun | 22:07 | | | | 58 | | | 1 | Rickmansworth | Rickmansworth parkrun # 318 | 10 Aug 24 |
| parkrun | 22:09 | | | | 68 | | | 1 | Rickmansworth | Rickmansworth parkrun # 317 | 3 Aug 24 |
| parkrun | 22:20 | | | | 51 | | | 1 | Rickmansworth | Rickmansworth parkrun # 328 | 19 Oct 24 |
| parkrun | 22:21 | | | | 70 | | | 1 | Rickmansworth | Rickmansworth parkrun # 336 | 14 Dec 24 |
| parkrun | 22:31 | | | | 45 | | | 1 | Monsal Trail | Monsal Trail parkrun # 263 | 16 Nov 24 |
| parkrun | 22:42 | | | | 26 | | 3 | 1 | Aylesbury | Aylesbury parkrun # 445 | 20 Jul 24 |
| parkrun | 22:56 | | | | 35 | | | 1 | Pavilion Gardens | Pavilion Gardens parkrun # 76 | 18 May 24 |
| parkrun | 23:04 | | | | 47 | | 3 | 1 | Monsal Trail | Monsal Trail parkrun # 254 | 14 Sep 24 |
| parkrun | 23:16 | | | | 87 | | | 1 | Wycombe Rye | Wycombe Rye parkrun # 563 | 21 Dec 24 |
| parkrun | 24:31 | | | | 29 | | | 1 | Pavilion Gardens | Pavilion Gardens parkrun # 105 | 7 Dec 24 |
| parkrun | 26:58 | | | | 228 | | | | Rickmansworth | Rickmansworth parkrun # 302 | 20 Apr 24 |
| HM | 1:46:46 | c | | | 3416 | | 609 | 14 | Greenwich | The Big Half | 1 Sep 24 |
| Mar | 3:34:35 | c | | | 11549 | | 2481 | 52 | London | TCS London Marathon | 21 Apr 24 |
| 2023 V50 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| parkrun | 23:01 | | | | 45 | | | 1 | Wycombe Rye | Wycombe Rye parkrun # 492 | 8 Jul 23 |
| parkrun | 23:02 | | | | 81 | | | | Rickmansworth | Rickmansworth parkrun # 252 | 6 May 23 |
| parkrun | 23:03 | | | | 46 | | | 1 | Wycombe Rye | Wycombe Rye parkrun # 491 | 1 Jul 23 |
| parkrun | 23:05 | | | | 39 | | | 1 | Aylesbury | Aylesbury parkrun # 422 | 2 Sep 23 |
| parkrun | 23:07 | | | | 71 | | | 1 | Wycombe Rye | Wycombe Rye parkrun # 499 | 26 Aug 23 |
| parkrun | 23:08 | | | | 73 | | | | Wycombe Rye | Wycombe Rye parkrun # 504 | 30 Sep 23 |
| parkrun | 23:10 | | | | 45 | | 2 | 1 | Wycombe Rye | Wycombe Rye parkrun # 490 | 24 Jun 23 |
| parkrun | 23:11 | | | | 58 | | | | Wycombe Rye | Wycombe Rye parkrun # 510 | 11 Nov 23 |
| parkrun | 23:31 | | | | 49 | | | 1 | Wycombe Rye | Wycombe Rye parkrun # 513 | 2 Dec 23 |
| parkrun | 23:36 | | | | 62 | | | | Monsal Trail | Monsal Trail parkrun # 196 | 12 Aug 23 |
| parkrun | 23:40 | | | | 59 | | | | Monsal Trail | Monsal Trail parkrun # 188 | 17 Jun 23 |
| parkrun | 23:45 | | | | 45 | | | 1 | Monsal Trail | Monsal Trail parkrun # 201 | 16 Sep 23 |
| parkrun | 23:46 | | | | 86 | | | | South Bank, AUS | South Bank parkrun # 516 | 21 Oct 23 |
| parkrun | 23:48 | | | | 69 | | | | Hove Promenade | Hove Promenade parkrun # 349 | 18 Nov 23 |
| parkrun | 23:50 | | | | 20 | | 2 | 1 | Aylesbury | Aylesbury parkrun # 425 | 23 Sep 23 |
| parkrun | 24:01 | | | | 44 | | | | Monsal Trail | Monsal Trail parkrun # 193 | 22 Jul 23 |
| parkrun | 24:18 | | | | 16 | | 3 | | Monsal Trail | Monsal Trail parkrun # 212 | 9 Dec 23 |
| parkrun | 28:41 | | | | 80 | | | | Aylesbury | Aylesbury parkrun # 420 | 19 Aug 23 |
| 6.5MMT | 52:40 | | | | 40 | L03 | 9 | | Boveney | The River Relay | 3 Sep 23 |
| HM | 1:51:04 | c | | | 5643 | | 771 | 52 | Newcastle-South Shields | Great North Run | 10 Sep 23 |
| Mar | 3:33:58 | c | | | 9675 | | 1900 | 127 | London | TCS London Marathon | 23 Apr 23 |
| 2022 V50 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| parkrun | 22:26 | | | | 38 | | | 1 | Monsal Trail | Bakewell parkrun # 152 | 17 Sep 22 |
| parkrun | 22:28 | | | | 36 | | 3 | 1 | Wycombe Rye | Wycombe Rye parkrun # 450 | 3 Sep 22 |
| parkrun | 22:54 | | | | 59 | | | 1 | Rickmansworth | Rickmansworth parkrun # 184 | 8 Jan 22 |
| parkrun | 22:56 | | | | 56 | | | 1 | Wycombe Rye | Wycombe Rye parkrun # 420 | 5 Feb 22 |
| parkrun | 22:59 | | | | 49 | | | 1 | Wycombe Rye | Wycombe Rye parkrun # 427 | 26 Mar 22 |
| parkrun | 22:59 | | | | 31 | | 1 | 1 | Wycombe Rye | Wycombe Rye parkrun # 433 | 7 May 22 |
| parkrun | 23:02 | | | | 40 | | 2 | 1 | Wycombe Rye | Wycombe Rye parkrun # 440 | 25 Jun 22 |
| parkrun | 23:11 | | | | 44 | | 3 | 1 | Wycombe Rye | Wycombe Rye parkrun # 429 | 9 Apr 22 |
| parkrun | 23:21 | | | | 50 | | | 1 | Wycombe Rye | Wycombe Rye parkrun # 419 | 29 Jan 22 |
| parkrun | 23:30 | | | | 42 | | | 1 | Wycombe Rye | Wycombe Rye parkrun # 439 | 18 Jun 22 |
| 5.6KXC | 29:05 | | | | 112 | | | 28 | Milton Keynes | Chiltern League | 15 Jan 22 |
| HM | 1:46:00 | c | | | 4610 | | 587 | 42 | Newcastle upon Tyne | Great North Run | 11 Sep 22 |
| 2021 V50 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| parkrun | 22:38 | | | | 53 | | | 1 | Rickmansworth | Rickmansworth parkrun # 175 | 6 Nov 21 |
| 5.5KXC | 28:20 | | | | 101 | | | 26 | Luton | Chiltern League | 4 Dec 21 |
| 5.9KXC | 28:30 | | | | 151 | | | 17 | Milton Keynes | Chiltern League (Inc British Athletics Cross Challenge & Oxford Uni Trials) | 13 Nov 21 |
| 10K | 47:23 | c | | | 231 | | 44 | 9 | St Albans | St Albans 10K | 2 Apr 21 |
| 2020 V50 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| parkrun | 23:49 | | | | 132 | | | 1 | Rickmansworth | Rickmansworth parkrun # 149 | 1 Jan 20 |
| parkrun | 24:55 | | | | 177 | | | | Cassiobury | Cassiobury parkrun # 261 | 1 Jan 20 |
| 6.1KXC | 31:44 | | | | 144 | | | 37 | Keysoe | Chiltern League | 11 Jan 20 |
| 20M | 3:01:52 | | | 3:02:14 | 326 | | 82 | 14 | Milton Keynes | Milton Keynes Festival of Running 20 | 15 Mar 20 |
| 2019 V45 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| parkrun | 23:21 | | | | 72 | | | 1 | Rickmansworth | Rickmansworth parkrun # 137 | 19 Oct 19 |
| parkrun | 23:45 | | | | 81 | | | | Rickmansworth | Rickmansworth parkrun # 143 | 30 Nov 19 |
| parkrun | 23:47 | | | | 88 | | | 1 | Rickmansworth | Rickmansworth parkrun # 117 | 1 Jun 19 |
| 5.5KXC | 28:28 | | | | 143 | | | 35 | Luton | Chiltern League | 7 Dec 19 |
| 2018 V45 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| parkrun | 23:22 | | | | 74 | | | 1 | Wycombe Rye | Wycombe Rye parkrun # 318 | 29 Sep 18 |
| parkrun | 23:25 | | | | 67 | | | 1 | Wycombe Rye | Wycombe Rye parkrun # 316 | 15 Sep 18 |
| parkrun | 23:36 | | | | 91 | | | 1 | Wycombe Rye | Wycombe Rye parkrun # 317 | 22 Sep 18 |
| parkrun | 24:05 | | | | 95 | | | | Wycombe Rye | Wycombe Rye parkrun # 312 | 18 Aug 18 |
| parkrun | 24:11 | | | | 83 | | | 1 | Wycombe Rye | Wycombe Rye parkrun # 314 | 1 Sep 18 |
| 2017 V45 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| parkrun | 23:24 | | | | 77 | | | 1 | Wycombe Rye | Wycombe Rye parkrun # 241 | 8 Apr 17 |
| parkrun | 23:36 | | | | 66 | | | 1 | Wycombe Rye | Wycombe Rye parkrun # 254 | 8 Jul 17 |
| parkrun | 23:44 | | | | 93 | | | 1 | Wycombe Rye | Wycombe Rye parkrun # 240 | 1 Apr 17 |
| parkrun | 23:44 | | | | 99 | | | 1 | Wycombe Rye | Wycombe Rye parkrun # 243 | 22 Apr 17 |
| parkrun | 23:47 | | | | 91 | | | 1 | Wycombe Rye | Wycombe Rye parkrun # 250 | 10 Jun 17 |
| parkrun | 23:56 | | | | 77 | | | 1 | Wycombe Rye | Wycombe Rye parkrun # 252 | 24 Jun 17 |
| parkrun | 24:34 | | | | 104 | | | 1 | Wycombe Rye | Wycombe Rye parkrun # 228 | 7 Jan 17 |
| parkrun | 24:48 | | | | 101 | | | 1 | Wycombe Rye | Wycombe Rye parkrun # 231 | 28 Jan 17 |
| parkrun | 25:28 | | | | 129 | | | | Black Park | Black Park parkrun # 448 | 30 Dec 17 |
| 2016 V45 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| parkrun | 23:54 | | | | 84 | | | 1 | Wycombe Rye | Wycombe Rye parkrun # 203 | 16 Jul 16 |
| parkrun | 24:25 | | | | 73 | | | 1 | Wycombe Rye | Wycombe Rye parkrun # 207 | 13 Aug 16 |
| parkrun | 24:29 | | | | 95 | | | 1 | Wycombe Rye | Wycombe Rye parkrun # 201 | 2 Jul 16 |
| parkrun | 24:36 | | | | 120 | | | | Wycombe Rye | Wycombe Rye parkrun # 200 | 25 Jun 16 |
| parkrun | 25:07 | | | | 148 | | | | Black Park | Black Park parkrun # 364 | 28 May 16 |
| Mar | 4:12:46 | | | 4:18:37 | 16949 | | 4174 | 515 | London | Virgin London Marathon | 24 Apr 16 |
| 2013 V40 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| Mar | 4:29:14 | | | 4:40:15 | 17824 | | 4407 | 840 | London | Virgin London Marathon | 21 Apr 13 |
| 2012 V40 Chiltern |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| Mar | 4:26:17 | | | 4:41:58 | 17624 | | 4375 | 834 | London | Virgin London Marathon | 22 Apr 12 |