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The Two Castles Trails

Name: The Two Castles Trails
Start: 2025-05-04
End: 2025-05-04
Location: Sudbury

Sudbury, United Kingdom • 4 May 2025

The Two Castles Trails is a unique trail running event featuring narrative races that guide participants through a circular route around Hedingham and Clare Castles. The marathon and half marathon routes are predominantly off-road, covering diverse terrains, and require runners to follow written instructions without marshals. Safety measures include running with a mobile phone registered at the event.

Participants can expect well-stocked checkpoints, a cupless race format, and a medal along with hot food at the finish. The event is organized under the Trail Running Association's permit and encourages volunteer participation. Visit the organization's website for the most recent information.

United Kingdom East of England Sudbury

Race information

Registration

26 mi

The Two Castles Marathon Trail

13 mi

The Two Castles Half Marathon Trail

Visit the organization's website for the most recent information.

Trail runs nearby

Sunday May 3

High Lodge 10K Guided Trail Run

Brandon

10 km

A guided **10k** group trail run through High Lodge in Thetford Forest, led at a conversational pace on mostly flat woodland trails. The event allows two hours, has a £4 parking charge and an entry fee of £12.50.

Sunday May 3

High Lodge Guided Trail Runs

Brandon

10 km

16 km

Guided trail runs at High Lodge in Thetford Forest combine running on miles of woodland trails with facts about the forest and practical trail running tips. Routes include 10k and 16k options and events include both paid and free entries.

Wednesday May 6

Trifarm 15k Spring Trail Run

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15 km

A mainly off road 15k trail run at Trifarm, Boreham on 06 May 2026 featuring an anticlockwise route on public footpaths and bridleways, on-site parking, water points and manual timing.

Sunday May 10

Halstead & Essex Marathon

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Marathon

A road marathon on scenic low traffic lanes around Halstead, marking its 30th running on 10 May 2026. The event is limited to 500 entries, is part of the Essex Road Running Championships and supports local charities.