The Castle Triathlon Series is about beautiful and spectacular locations, coupled with challenging and fun races that appeal to newcomers, seasoned triathletes and elite professionals alike.

Read more:

In making the venues and races accessible we have also taken a hard look at our pricing structure and come up with, what we believe, is a premium product at a fair price.

Race Name
Race Distance*
Full Race Price
(Individual / Relay)
\The Bastion Long Distance
3.8km / 180.2km / 42.2km
£360 / £450
The Gauntlet Middle Distance
1.9km / 90km / 21km
£220 / £270
Olympic Standard
1500m / 40km / 10km
£110 / £150
Sprint Plus
800m/ 40km / 8km
£95 / £140
750m / 20km / 5km
£90 / £135
Super Sprint
400m / 20km / 4km
£85 / £130
Starter Tri
200m / 10km / 2km
£70 / £110
< Mixed Team Relay
250m / 5km / 1.5km
< Family Mixed Team Relay
250m / 5km / 1.5km
Junior (13-15yrs)
300m / 8km / 4km**
£44 / £55
Children (11-12yrs)
200m / 4km / 2km**
£39 / £55
Children (8-10yrs)
100m / 4km / 1.3km
£33 / £55
Castle 1 Mile Swim
1.6km swim
Castle 2.5K Swim
2.5km swim
Castle 5K Swim
5km swim
\Middle Distance Swim
1.9km swim
\Long Distance Swim
3.8km swim
\Swim Marathon
10km swim
10K Run
10km run
Half Marathon
21.1km run
Full Marathon
42.2km run
Duathlon Sprint
5km run / 20km bike / 2.5km run
Duathlon Standard
10km run / 40km bike / 5km run
\Duathlon Midde Distance
10.5km run / 45km bike / 4km run
\Duathlon Long Distance
21.5km run / 90km bike / 10.5km run
Aquabike Sprint
750m swim / 20km bike
Aquabike Standard
1500m swim / 40km bike
\Aquabike Middle Distance
1.9km swim / 60km bike (optional 4km run)
\Aquabike Long Distance
3.8km swim / 120km bike (optional 4km run)
Aquathlon Sprint
750m swim / 5km run
Aquathlon Standard
1500m swim / 10km run
\Aquathlon Middle Distance
1.9km swim / 10km run
\Aquathlon Long Distance
3.8km swim / 21.5km run

*Cycle distance variant. The cycle section may differ slightly in distance across the Series. Please check each race distance individually.
**Distances vary slightly per venue, please see relevant venue page for exact distance.
< 4 person mixed team event where all members do a short triathlon each. Not at Hever.
\At Festival of Endurance, Hever Castle only.
+Available at Festival of Endurance and Chateau De Chantilly only.

Race distances

Race distances

For the absolute beginners and children to the professional triathletes, the Castle Triathlon Series offers a wealth of race distances to suit all levels.

Find out more


Hosted at a selection of stunning and iconic castles across the UK, Ireland and France, the Castle Triathlon Series events all promise an inspirational and memorable race experience.

Find out more

Take part

We pride ourselves on offering a bespoke and tailored offering for all those wishing to take part; from first timers, old timers, juniors, female focus, elites, tri clubs, corporates, there’s a race for everyone!

Find out more


Trade your time for a free race place! We offer a Volunteer Scheme, whereby a free race is given in return for a day’s marshalling at any one of the Castle Triathlon Series events. (terms apply)

Find out more