My Race Index • Chris Mepham 🇬🇧

Swiss Alps 100k

Aug 9, 2025 24:24:51 112.35 km 5,880.7m 13:02 /km 100 km +12:26:25 Positive split AG 23:49:59 • 42.31%

Yorkshire 3 Peaks 100k

Sep 21, 2024 16:26:25 99.04 km 3,516m 9:58 /km 100 km +04:27:59 Positive split AG 16:08:39 • 62.46%

Maverick Jurassic coast 100k

Oct 18, 2025 12:04:06 100.21 km 2,639m 7:14 /km 100 km +00:05:40 Positive split AG 11:46:51 • 85.59%

South Downs Way 100k - PB 13:35:20

May 28, 2023 13:37:45 104.37 km 2,600m 7:50 /km 100 km +01:39:19 Positive split AG 13:23:01 • 75.34%

Marathon des Sables 2024

Apr 14, 2024 47:22:45 255.42 km 2,591m 11:08 /km

6 stages

Brighton backyard ultra (16 loops) 4th overall

May 11, 2024 15:47:18 107.11 km 2,392m 8:51 /km 100 km +03:48:52 Negative split AG 15:30:14 • 65.04%

Brighton 50/50 (50 mile PB 8:19:57) - 9th overall

Sep 13, 2025 08:19:57 80.10 km 2,387m 6:14 /km 50 Mile PB Positive split AG 08:08:03 • 72.95%

Serpent trail 100k - PB 12:08

Jul 6, 2024 12:08:22 100.06 km 1,969m 7:17 /km 100 km +00:09:56 Positive split AG 11:55:15 • 84.59%

Isle of White 100km

May 3, 2025 15:01:31 108.85 km 1,765m 8:17 /km 100 km +03:03:05 Positive split AG 14:45:17 • 68.34%

Brighton to London 100k - 10th (PB 11:57)!!

Apr 26, 2025 11:58:26 100.91 km 1,564m 7:07 /km 100 km PB Positive split AG 11:45:30 • 85.76%

London to Brighton 100k

May 25, 2024 14:07:55 102.75 km 1,529m 8:15 /km 100 km +02:09:29 Positive split AG 13:52:39 • 72.66%

SVP100

Aug 13, 2022 15:20:33 102.65 km 1,092.4m 8:58 /km 100 km +03:22:07 Positive split AG 15:03:58 • 66.93%

SVP100 2024

Aug 3, 2024 12:34:08 100.07 km 1,003m 7:32 /km 100 km +00:35:42 Positive split AG 12:20:33 • 81.70%

North Downs Ridge 50k

Feb 25, 2024 05:53:22 50.07 km 951m 7:03 /km 50 km +00:54:47 Positive split AG 05:47:00 • 43.09%

Zigzag ultra

Mar 5, 2022 05:48:03 52.04 km 795m 6:41 /km 50 km +00:49:28 Positive split AG 05:41:47 • 43.75%

Bewlwater 60k ultra

May 7, 2022 06:38:36 60.13 km 720m 6:38 /km 60 km PB Positive split AG 06:31:25 • 68.47%

Peddars way ultra 77k

Jan 21, 2023 08:42:44 77.50 km 609m 6:45 /km 50 Mile +00:22:47 Positive split AG 08:33:19 • 69.36%

SVP50 (PB 6:49:56)

Aug 14, 2021 06:49:56 51.35 km 552m 7:59 /km 50 km +01:51:21 Positive split AG 06:42:33 • 37.14%

St Edmunds trail 50k (PB 4:58:35)

Dec 4, 2022 04:58:35 50.02 km 408m 5:58 /km 50 km PB Positive split AG 04:53:12 • 50.99%

Essex 50k

Jul 9, 2022 06:04:35 50.01 km 383.6m 7:17 /km 50 km +01:06:00 Positive split AG 05:58:01 • 41.76%

Dunwich 50k ultra (PB 4:59:51)

Oct 16, 2021 04:59:51 50.02 km 301m 6:00 /km 50 km +00:01:16 Positive split AG 04:54:27 • 50.78%

Brighton marathon 2026 (PB 3:02:30)

Apr 12, 2026 03:08:23 42.33 km 209m 4:27 /km Marathon PB Negative split

Colchester Zoo Stampede half marathon.

Oct 6, 2019 01:55:14 21.42 km 137.8m 5:23 /km H. Mar +00:27:54 Positive split AG 01:53:09 • 51.27%

London half marathon PB (1:38:12)

Sep 5, 2021 01:38:18 21.13 km 133m 4:39 /km H. Mar +00:10:58 Positive split AG 01:36:31 • 60.11%

Chelmsford half marathon (PB 1:37:25)

Oct 16, 2022 01:37:25 21.10 km 112m 4:37 /km H. Mar +00:10:05 Positive split AG 01:35:39 • 60.65%

Battersea Park half marathon (1:37:32)

Nov 18, 2023 01:37:34 20.78 km 35m 4:42 /km H. Mar +00:10:14 Positive split AG 01:35:48 • 60.56%

Battersea park half marathon PB 1:27:20

Jan 4, 2025 01:27:20 20.88 km 13m 4:11 /km H. Mar PB Negative split AG 01:25:45 • 67.65%

Brighton 10k PB 40:25

Nov 17, 2024 00:40:26 10.04 km 13m 4:02 /km 10 km PB Negative split AG 00:39:29 • 66.86%