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Saturday 31 July 2027

Race Day Information

Registration, start times, mandatory kit, course marking, checkpoints, cut-offs, drop bags, travel, toilets, safety procedures and event rules for all Round the Rock distances.

48-mile Ultra Marathon Half Marathon 1000ml minimum water capacity Cupless event
Read this first

Essential race-day information

Every runner is responsible for reading the information for their distance and arriving properly prepared.

01

Course closes at 19:00

Medals and official finishes are awarded only to runners who finish within the applicable time limits.

02

Ultra halfway cut-off

Ultra runners must leave Les Fontaines by 12:30. Runners missing the cut-off will be withdrawn.

03

Carry the GPX

The course is marked at junctions and decision points. Long obvious sections may have no markers.

04

Minimum 1000ml capacity

Every runner, across all three distances, must have capacity to carry at least 1000ml of water.

05

No kit means no start

Visual and random checks may take place. Missing mandatory kit may result in refusal to start or withdrawal.

06

Solo and self-supported

Pacers, personal crews, outside assistance and non-entrants crossing the finish are not permitted.

Contacting the event

For non-urgent questions, please email paul@trailmonkeyjersey.com . The race-day phone number is for urgent race-day issues only.

Race weekend

Registration and start times

Number collection takes place on Friday. Runners who cannot attend Friday registration may collect at their race start, but must arrive at least 45 minutes before their briefing.

FRI

Race-number collection

Friday 30 July 2027
12:00–15:00

Rock N Road Run Co
Unit 7, Liberty Wharf
La Route de la Libération
St Helier, JE2 3NY

  • A representative may collect on your behalf
  • Ultra drop bags must not be brought to Friday registration
  • Runners collecting on Saturday must arrive at least 45 minutes before their start
  • Mandatory kit checks may take place before the race
48 miles / 77km

Ultra

Briefing
06:45
Start
07:00
Location
Steam Clock, St Helier
26.2 miles / 42.2km

Marathon

Briefing
08:45
Start
09:00
Location
Les Fontaines, St John
13.1 miles / 21.1km

Half Marathon

Briefing
10:45
Start
11:00
Location
The Watersplash, St Ouen
All courses close at 19:00. The Ultra therefore has a 12-hour overall limit. The Marathon and Half Marathon do not have intermediate cut-offs, but runners must maintain sufficient forward progress to finish before course closure.
All three distances

Mandatory kit

The mandatory kit applies to Ultra, Marathon and Half Marathon runners. It is there to keep you safe if you become injured, cold, delayed or unable to continue.

Required

Mandatory in all conditions

  • Trail shoes with suitable grip
  • Suitable pack or means of carrying kit
  • Minimum 1000ml water-carrying capacity
  • Foil blanket or bivvy bag
  • Long-sleeved warm layer
  • Charged phone with What3Words and the race-day contact number
  • Whistle
  • Food and nutrition
  • Reusable cup or suitable drinking vessel
  • Route loaded onto a phone or GPS device
  • Sufficient battery for the event
Conditions

Weather-dependent kit

  • Waterproof or windproof outer layer
  • Hat or buff
  • Gloves
  • Sun cream
  • Sun hat
Final requirements

Weather-dependent items will be confirmed in the final pre-event information. Runners should arrive prepared for both hot and poor weather conditions.

No kit means no start.

If a runner appears not to be carrying the required equipment, a full kit check may be carried out. Missing kit may result in refusal to start or withdrawal from the race.

Navigation

Course marking and GPX

Signs and tape are placed at junctions and decision points. The route is not continuously marked, and long obvious sections may have no markers.

48 miles

Ultra GPX

Full anti-clockwise coastal route from St Helier around the island and back to the finish.

Download Ultra GPX
26.2 miles

Marathon GPX

Coastal route from Les Fontaines around Jersey’s west and south coasts to St Helier.

Download Marathon GPX
13.1 miles

Half Marathon GPX

Final coastal section from The Watersplash to the shared finish in St Helier.

Download Half GPX

Before race day

  • Load the correct route onto your device
  • Check that the route displays properly
  • Test the navigation function before the event
  • Bring sufficient battery for your expected time

On the course

  • Stay alert at junctions and decision points
  • Do not assume another runner knows the route
  • Check your device if markings are not immediately visible
  • For most of the route, keep the sea on your right
Simple and practical

Checkpoints and refreshments

Checkpoints supplement what you carry. They are not intended to provide every runner’s full nutrition and hydration requirements.

Fluids

Water at all checkpoints. Squash, cola and other soft drinks may be available at selected checkpoints.

Food

We provide a practical selection of checkpoint food based on the location and what is suitable on the day. This may include fruit, sandwiches, crisps, sweets, biscuits or cereal bars, but not every item will be available at every checkpoint.

Cupless

Disposable cups are not supplied. Carry a reusable cup, bottle or suitable drinking vessel.

Ultra course

Checkpoint segments

Segment From and to Distance Key information
1 CP 1 St Catherine’s 10.5 miles CP1 provides water only
2 CP 2 Les Fontaines 10.5 miles Ultra halfway cut-off at 12:30. Ultra drop bags available. Water, drinks and simple food
3 CP 3 Grosnez 8 miles Water, drinks and simple food
4 CP 4 Beauport 9 miles Water, drinks and simple food
5 Finish - St Helier 9 miles Finish closes at 19:00
Marathon

Grosnez and Beauport

The Marathon starts at Les Fontaines and uses the checkpoints at Grosnez and Beauport.

Half Marathon

Beauport

The Half Marathon starts at The Watersplash and uses the final checkpoint at Beauport.

Dietary requirements: We do our best to provide a useful range of food and drink, but checkpoint supplies vary and cannot cater for every preference, allergy or dietary requirement. Carry the nutrition you know you will need rather than relying on a particular item being available.
Course timing

Cut-offs and course closure

Cut-offs are in place so the event can operate safely and volunteers are not left on the course indefinitely.

Marathon

No intermediate cut-offs

The Marathon course and finish close at 19:00. Runners must maintain sensible forward progress and follow instructions from race staff.

Half Marathon

No intermediate cut-offs

The Half Marathon course and finish close at 19:00. Runners must maintain sensible forward progress and follow instructions from race staff.

Race staff may withdraw a runner who is clearly unable to reach the next checkpoint or finish before course closure, or where continuing would create a safety concern.
Bag transport

Drop bags and finish bags

Bags may be stored outdoors and transported alongside other race equipment. Keep them small, secure and waterproof.

48

Ultra halfway drop bag

  • Bring the bag to the Ultra start on Saturday morning
  • Do not bring Ultra drop bags to Friday registration
  • The bag will be available at Les Fontaines
  • Label clearly with name and race number
  • Keep it small and limited to essential items
  • Used bags return to the finish after CP2 closes
26

Marathon finish bag

  • One small bag may be left at the Marathon start
  • The bag will be transported to the finish
  • Label clearly with name and race number
  • Do not leave valuables
  • Bag arrival at the finish may not be immediate
13

Half Marathon finish bag

  • One small bag may be left at the Half Marathon start
  • The bag will be transported to the finish
  • Label clearly with name and race number
  • Do not leave valuables
  • Bag arrival at the finish may not be immediate
Practical facilities

Public toilets around the course

Public toilets are available at several points around the routes. These facilities are not controlled by the event and opening times cannot be guaranteed.

Please plan ahead. Facilities at checkpoints may be limited. Use public toilets where possible and be considerate of local residents, businesses and the environment.
48 miles / 77km

Ultra

07:00
Approx. Location Facilities
Start Steam Clock / Weighbridge Public toilets nearby
3 miles Havre des Pas Public toilets
8 miles Gorey Harbour Public toilets
10.5 miles St Catherine’s Public toilets near the checkpoint
15 miles Bonne Nuit Public toilets near the harbour
20 miles Grève de Lecq Public toilets
21 miles Les Fontaines Checkpoint toilets
28 miles The Watersplash Public toilets
32 miles Corbière Public toilets
36 miles St Brelade’s Bay Public toilets
38 miles Beauport No public toilets
43 miles St Aubin Public toilets
Finish Jardins de la Mare Toilets nearby
26.2 miles / 42.2km

Marathon

09:00
Approx. Location Facilities
Start Les Fontaines Checkpoint toilets
4 miles The Watersplash Public toilets
8 miles Corbière Public toilets
12 miles St Brelade’s Bay Public toilets
19 miles St Aubin Public toilets
Finish Jardins de la Mare Toilets nearby
13.1 miles / 21.1km

Half Marathon

11:00
Approx. Location Facilities
Start The Watersplash Public toilets
3 miles Corbière Public toilets
7 miles St Brelade’s Bay Public toilets
10 miles St Aubin Public toilets
Finish Jardins de la Mare Toilets nearby
Respect private property

Do not use private facilities, cafés or businesses unless you are a customer.

Leave facilities clean

Take all litter with you and respect other users.

Distances are approximate

Facilities may not be open for the full duration of the event.

Getting to your start

Buses, taxis and parking

There is no dedicated event transport. Every runner must arrange their own journey to their start and consider how they will retrieve any vehicle left there.

48

Ultra start

The Steam Clock is on the St Helier waterfront, approximately five to ten minutes’ walk from Liberation Station.

  • Most island bus services connect with Liberation Station
  • Allow time to walk to the start and complete any checks
  • Nearby parking is subject to normal public restrictions
26

Marathon start

The Marathon begins at Les Fontaines in St John. Public transport options may require a walk.

  • Check current LibertyBus summer services
  • A taxi or pre-arranged lift may be simplest
  • Parking is limited
  • The race finishes in St Helier, not at the start
13

Half Marathon start

The Half Marathon begins at The Watersplash in St Ouen’s Bay.

  • Check bus services stopping at The Watersplash
  • Pre-book taxis where possible
  • Parking can be busy - we are unable to leave cars at the Watersplash
  • The race finishes in St Helier, not at the start
Timetables can change. Check the current summer timetable shortly before race weekend. Do not rely solely on journey information published many months in advance.
Runner welfare

Emergencies and withdrawals

Coastal paths can be remote, exposed and difficult to access. Every runner has a duty to assist another participant in a genuine emergency.

Urgent

Major casualty

  1. Stop and assess the situation.
  2. Call 999 or 112 immediately.
  3. Use What3Words to provide the location.
  4. Inform race control or the next checkpoint.
  5. Stay with the casualty until help arrives.
Non-urgent

Minor casualty

  • Offer basic assistance where appropriate
  • Help the runner put on warm or protective kit
  • Proceed to the nearest checkpoint if safe to do so
  • Report the incident to race staff
Withdrawal

Voluntary retirement

  • Withdraw at a checkpoint wherever possible
  • Tell checkpoint staff that you are retiring
  • Do not leave the course without informing the event
  • Transport may not be immediate and is not provded by the race infrastructure as a service
  • Be prepared to wait until checkpoint operations allow collection
Race decision

Mandatory retirement

  • A medical or welfare concern makes continuing unsafe
  • An Ultra runner misses the Les Fontaines cut-off
  • A runner cannot reach the finish before course closure
  • A runner fails to comply with a safety instruction
Race-day emergency number: 07797 827383

This number is for urgent race-day issues only. For general questions before or after the event, please use email.

Common questions

Frequently asked questions

Please check the answers below before contacting the event.

Can I collect my race number on Saturday morning?

Friday registration is the standard collection time and we ask all runners to collect their race number then wherever possible.

Round the Rock is organised by a very small team. Race morning is focused on mandatory kit checks, safety briefings and getting three races started on time. Large numbers of race-day collections place significant pressure on our volunteers and can delay the event.

Race-day collection is therefore available by prior arrangement only, typically for runners travelling to Jersey from overseas or those with exceptional circumstances. Please email us before race weekend if you need to make alternative arrangements.

Can another person collect my race number?

Yes. A representative may collect your number during Friday registration.

I am unable to race my full distance. Can I drop to the Marathon or Half Marathon?

A change to a shorter distance may be possible if places are available.

If the shorter distance is full, a change may still be possible depending on the number of people waiting for places and the overall entry position. It cannot be guaranteed.

Please email paul@trailmonkeyjersey.com as early as possible. Do not simply arrive at or start a different distance without receiving confirmation from the event team.

Can a friend run part of the course with me?

No. Pacers, companions and non-entrants joining runners on the course are not permitted. This includes friends joining for the final section or crossing the finish with a runner.

Can my family meet me at checkpoints?

Spectators may be present in public areas, but they must not provide assistance, carry equipment, give supplies or obstruct checkpoint operations.

Can I receive outside food or water?

No. The event is solo and self-supported. Runners may use official checkpoint supplies and their own carried items or drop bag.

Are there cups at the checkpoints?

No. Round the Rock is a cupless event. Carry a reusable cup, bottle or suitable drinking vessel.

Is the route fully marked?

The route is marked at junctions and decision points rather than continuously. Long obvious sections may have no markings.

Every runner must carry the correct GPX route on a phone or GPS device with sufficient battery.

Can I run with a dog?

No. Dogs may not accompany runners during the event.

Are headphones allowed?

Headphones must not prevent awareness of traffic, race staff, other runners or members of the public. Runners must remain fully aware of their surroundings.

What happens if I withdraw?

Withdraw at a checkpoint wherever possible and tell race staff. Never leave the course without notifying the event.

Transport may be available later, but it is not a personal taxi service, may not be immediate and must not detract from race day operations.

Can I bring an Ultra drop bag to Friday registration?

No. Ultra drop bags must only be brought to the Ultra start on Saturday morning.

Do you provide food for specific dietary requirements?

Checkpoint food is basic and cannot cater for every allergy, intolerance or dietary requirement. Bring your own suitable nutrition.

Can I transfer my entry to another runner?

Transfers are not available within one month of the event. Contact the event by email before making any assumption about an entry change.

Fairness and safety

Event rules

The rules protect runners, volunteers, members of the public and the environment. Serious or deliberate breaches may result in disqualification and exclusion from future events.

Participation

  • Only registered runners may take part
  • Bib numbers must be visible on the front
  • The minimum age on race day is 18
  • Runners must complete the course under their own power
  • No dogs may accompany runners

Support

  • No pacers
  • No personal crews
  • No outside assistance
  • No unauthorised supplies stored around the course
  • No non-entrants crossing the finish with runners

Course conduct

  • Follow the official route
  • Give way to members of the public
  • Close gates and respect livestock
  • Do not litter
  • Use roads and pavements responsibly

Safety and respect

  • Carry all mandatory kit
  • Comply with race staff instructions
  • Inform the event if you withdraw
  • Assist another runner in a genuine emergency
  • No abuse or aggression towards anyone involved
Possible penalties

Depending on the seriousness of the breach, penalties may include a time penalty, disqualification, removal from the results or exclusion from future Trail Monkey events.

Entry changes

Refund and deferral policy

Entry changes are subject to the policy below and the date on which the request is received.

Up to three months

75% refund

A 75% refund may be requested up to three months before race day.

Up to one month

Deferral

An entry may be deferred to another Trail Monkey event taking place within the following 12 months.

Within one month

No changes

No refunds, deferrals or transfers are available unless the runner volunteers to marshal on race day.

Deferred entries: An entry that has already been deferred cannot subsequently be refunded or deferred again.
Saturday 31 July 2027

Ready to take on Round the Rock?

Choose the 48-mile Ultra, coastal Marathon or Half Marathon.

Enter Round the Rock 2027 Email Paul