We thrilled to include this shinning jewel to our Castle crown! Join us at the Belvoir Castle weekend event to race through the beautiful grounds and surrounding area of stunning Leicestershire. Pick your discipline - triathlon, duathlon, aquabike, aquathlon, swim and run - and choose a distance from starter to elite. Recruit your friends and celebrate completing your challenge in our festival village.
We are delighted to introduce Alzheimer’s Research UK as our new National Charity partner. Get a charity place and help us raise much needed funds.
Belvoir Castle Multisport event is set within this remarkable estate and set’s the scene for the perfect family friendly weekend festival!
Like an illustration in a romantic fairy-tale, crowning the top of an isolated hill, the castle turrets and towers rise above the Vale of Belvoir. Looking over the battlements from the North Terrace, you can see for miles over the counties of Nottinghamshire, Leicestershire and Lincolnshire. The name Belvoir – meaning ‘beautiful view’ in French, is pronounced today as ‘beaver’.
Fan’s of TV series The Crown, will recognise several scenes filmed at Belvoir Castle.
The Belvoir Castle Multisport event will feature some truly iconic courses amidst the 3,000 acres of naturally designed landscape, a large range of races for all ages and abilities.
Whether you’re 9 or 90 years old, a first-timer or an elite, you can pick from our triathlon, duathlon, aquabike, aquathlon, run and swim races.
Please read our in-depth 2026; Series Competitor Guide, Half Iron Gauntlet Course Guide and the Race Report to get acquainted with what to expect from a Castle Race Series event!
Best of luck to our hopeful qualifiers, we were delighted to host you for 2027 European Championship Sprint Distance Triathlon.
NOTE! This will be a British Triathlon Federation permitted event. To participate in a triathlon or multisport event you are required to:
It was great to see so many of the Junior Series returns to Belvoir this year. Triathlon England East Midlands Junior Series is a youth triathlon event spanning two consecutive days. The Saturday is dedicated to younger competitors in the 9–12 age group, while the Sunday caters to older juniors aged 13–16. The series provides an exciting competitive platform for aspiring young triathletes across the East Midlands region.
We are delighted to have partnered with Alzheimer’s Research UK for the last two years and look forward to growing this partnership going forwards.
Together, we can accelerate scientific discoveries, improve treatments, and create a future free from the fear and heartbreak of Alzheimer’s. Every contribution brings us closer to making this vision a reality. Donate today using the link below or during sign up!
THESE TIMINGS ARE APPROXIMATE AND SUBJECT TO CHANGE.
All entrants will be notified of their wave time via email approximately 2 weeks prior to the event. We ask that triathlon and multisport participants arrive 1hour 15 minutes before their given start time. Swim and Run Series participants need to arrive no later than 30 minutes before the start of their race.
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