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Imerys Trail Marathon and Half Marathon

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The Imerys trail offers a unique running experience. For one day only, the land of Cornwall’s China Clay Industry will be open for you to discover. The Marathon and Half Marathon routes all take in the scenic trail runs of china clay country. The Half Marathon is part of the Cornwall Multi Terrain Race Series (MTRS).

How to enter the Imerys Trail Marathon and Half Marathon

  1. Icon

    IMERYs Trail Marathon

    Run 26.2mi
    Event passed
  2. Icon

    IMERYs Trails Half Marathon

    Run 13.1mi
    Event passed
  3. Icon

    IMERYs Fun Run

    Run 1km

Imerys Trail Marathon and Half Marathon routes


We use a number of signs during our events. Arrow markers are on a yellow correx board with a black/red arrow to mark the direction to be taken. We also use striped tape, these are placed after any split to reassure you that you are on the correct trail. We also use them along long stretches where no turn off is required or directional arrows needed.

Event Details

What’s Included

A bespoke finishers medal.

• Prizes will be awarded to the top marathon finishers as follows: 1st male (£75) and 1st female (£75).

• Prizes will be awarded to the top half marathon finishers as follows: 1st male (£50) and 1st female (£50) 1st male under 35, 1st male vet 40, 45, 50, 55, 60, 65, 70 1st female under 35, 1st female vet 35, 40, 45, 50, 55, 60, 65

• Team prizes for first 3 teams of male and female of 4 runners

• Water at the checkpoints and finish line - There will be drinks stations roughly every 3 miles. All of these will provide water.

• Experienced medical cover – Medics (Mobile)

• Friendly marshals

• Fully Signed Course

• Chip Timing

• Amazing scenery

Raceday Logistics


Start Time: 10:00

Registration: 08:30

Briefing: 09:50

Cut Off Time: 6 hours

Half marathon

Start Time: 10:15

Registration: 09:30

Briefing: 10:05

Cut Off Time: 5:30 hours


Places where the public are able to have access to see marathon runners are:-

    About mile 6 – Hensbarrow – where the tall mast is near Roche, park in the small car park (limited parking) at the top of hill – if you are coming from Stenalees, turn left just as you come into Roche and take the Whitemoor road, then almost immediately turn left again and follow the winding road up to the top. Runners will be crossing here into Littlejohns Clayworks at roughly mile 6.
    If you go to Lanjeth, at the top of Hornick Hill, park in the Blackpool trail car park – walk into the trail and you will be able to see the marathon runners at about miles 11 and 12 – they will be running around the bottom of the tip inside the fence. Allow a bit of time as you will need to walk in a fair way until you can see the path over the wire fence.
    Park at Whitemoor, the school park maybe open and then head towards the entrance to Dorothy Pit where there is a water station. There is a permissive path that you can access just inside the gate – you will see the runners between miles 15 and 16 here. You will need to view from the permissive path as the public will not be allowed to stand in the area where the water station is. You will have an excellent view from here though.
    You can also see them by accessing the entrance to the permissive path that is opposite Allens Tyres in Whitemoor, the marathon runners will be passing through here between mile 16 and 17.

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Imerys Trail Marathon and Half Marathon weather forecast

Possible light rain in the morning and afternoon.

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Icon60% chance of rain
IconLight breeze possible, up to 9mph

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