Saint Helier, United Kingdom · Saturday, August 1, 2026

Fixed Distance 50 mi

Round the Rock Jersey 48 Miles

Race completed
77 km Distance
4,500 m Climbing
10.0 Grit · Elite / extreme
51.3895° N, 0.1989° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 58 m / km Mountain. Significant climbing. Steep sections will require power hiking.
Time limit 12 hours 9:21 min/km average. Comfortable. Room to walk the climbs and stop at aid. Tighter than 83% of 50 mi races. Measured against 471 races of the same distance. Cut-off calculator →
Field size ~95 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2024 edition (48mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, August

Daytime high 22°C
Night low 12°C
Rainfall Mostly dry
Daylight 15 h 27 m of light

Regional 2001-2020 average for August — NASA POWER, grid elevation 73 m. Not a forecast.

Results history

Year Race Finishers Men's winner Women's winner
2024 48mi 95 James Manners · 06:31:14 Jodie Bull · 07:47:31
2023 48mi 72 James Manners · 06:27:58 Vikki Stafford · 07:28:15
2022 48mi 89 Christiaan Dirk (Tiaan) Erwee · 06:04:50 Bethany Rainbow · 07:53:39
2020 48mi 73 Jethro Lennox · 06:59:29 Faith Addison · 08:12:46
2019 77km 73 Jethro Lennox · 06:23:48 Leanne Marie Therese Rive · 08:04:23
2018 77km 55 Milan Misak · 06:49:39 Leanne Marie Therese Rive · 07:54:35
2017 77km 59 Scott Harris · 06:42:55 Leanne Marie Therese Rive · 07:38:49
2016 77km 54 Paul Martelletti · 05:42:59 Leanne Marie Therese Rive · 07:50:59
2015 77km 63 Paul Martelletti · 05:46:04 Rebecca Thompson · 07:34:49
2014 77km 63 Bruno Fransisco · 06:23:55 Rebecca Bowdler · 08:03:04

The field grew 32% between 2023 (72) and 2024 (95). 17% of the 2024 field were women.

DUV results for the 2024 edition (48mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a mountain course. Poles are highly recommended for the sustained climbs.

By UltraHub Expert
👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 77 km of trail with 4,500 m of ascent.

All gear guides →

Similar races

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