Go Tri Duathlon Summer Series (Adults+Children)

High Lodge, Thetford Forest


Our fun and friendly duathlons are perfect for those new to multi-sport events, but also great for the more experienced competitor wanting to test there fitness.

Our summer series is held in the stunning location of High Lodge, Thetford Forest. There's events for both adults and children!

We are using a different course to the Winter Series. For the adults the off-road route consists of a 2.4km run, 7.5km bike and a second 2.4km run on well maintained trails and will be signed with marshals at key locations.

For younger participants distances depend on age but will be held using a lapped course keeping in sight of marshals at all times.

Finish times will be recorded so you can track your progress during the series.

Click on the links to the right for more info and to enter each event.

Event Dates

Race 1: Sunday 6th June 2021 (Entry opening soon!)

Race 2:  Sunday 11th July 2021

Race 3: Sunday 25th July 2021

Race 4: Sunday 5th September 2021

Complete 3 or more events to claim your series award!!

Competitor parking is £5 for the whole day

Parking code provided on the day of each event


Join us for a fund & friendly event!

What you need to know

Below are a few key things you need to know. You might also want to take a look at our FAQ's page.

Course: These events are held on an off-road route.

Difficulty: The course is not overly technical but there is some sand, tree routes and uneven surfaces. It could get a little muddy in places if there is a lot of rain.

Bike: Mountain bikes, cyclocross, gravel or hybrid bikes (with off-road tyres) are suitable for these events.

Helmets: You need to wear a helmet when cycling within this event.

Pre-event Info: Final event information will be emailed out to participants a few days before each event.

Registration: You will need to register on the day and collect your race number. This will be in the transition area (see map).

Covid: We run Covid-safe events in-line with National Governing Body Guidance. See FAQ's for more information.

Results: We aim to publish results on our website by 8:00pm on the day of the event.

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Forestry Commission

contact us

Can But Tri Ltd

Tel: 07799707852