Incredible venues
Each Castle Race Series event is held at a historic venue, providing rare opportunities to race through their grounds and lakes!
- Sat 20 - Sun 21 Jun
- £35-£295
Cholmondeley Castle Triathlon and Multisport Festival
Get active in the beautiful grounds and surrounding area of stunning Cheshire in the discipline of your choice! Bring your friends and celebrate completing your challenge in the festival village.
- Kids triathlon 5
- Novice triathlon
- Super sprint triathlon
- Sprint triathlon 2
- Olympic triathlon
- + 15 more races
- Sat 18 - Sun 19 Jul
- £35-£295
Belvoir Castle Triathlon and Multisport Festival
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in the discipline of your choice! Celebrate in the festival village afterwards.
- Kids triathlon 4
- Super sprint triathlon
- Sprint triathlon 2
- Olympic triathlon
- Half Ironman
- + 14 more races
- Sat 26 - Sun 27 Sep
- £35-£295
Hever Castle Triathlon and Multisport Festival
Get active in the award-winning grounds and surrounding Kent countryside in the discipline of your choice! Recruit your friends and celebrate completing your challenge in the festival village.
- Half Ironman
- Olympic triathlon
- Sprint triathlon 2
- Super sprint triathlon
- Novice triathlon
- + 17 more races
70.3 triathlons
Known as 'Gauntlet' races, these half iron distance triathlons are not for the faint-hearted. You'll take on a 1.9K swim, 90K cycle and 21K run!
- Sun 21 Jun
- £245-£295
Cholmondeley Castle | Gauntlet Triathlon
Get active in the beautiful grounds and surrounding area of stunning Cheshire in the epic Gauntlet! Bring your friends and celebrate completing your challenge in the festival village.
- 1.9 km lake swimming
- 84 km road cycling
- 21 km road running
- Sun 19 Jul
- £245-£295
Belvoir Castle | Gauntlet Triathlon
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in the epic Gauntlet Triathlon! Celebrate in the festival village afterwards.
- 1.9 km lake swimming
- 90 km road cycling
- 21 km road running
- Sun 27 Sep
- £245-£295
Hever Castle | Gauntlet Triathlon
Not for the faint hearted, this race pushes competitors to their limits whilst visiting every corner of the beautiful castle estate and its surrounding rural area into the High Weald AONB.
- 1.9 km lake swimming
- 90 km road cycling + 2392 ft ascent
- 21 km road running
Olympic triathlons
Take on an Olympic distance triathlon (1,500m swim, 40K cycle and a 10K run) in a historic setting.
- Sun 21 Jun
- £125-£165
Cholmondeley Castle | Olympic Triathlon
Get active in the beautiful grounds and surrounding area of stunning Cheshire in the discipline of your choice! Bring your friends and celebrate completing your challenge in the festival village.
- 1.5 km lake swimming
- 42 km road cycling
- 10.5 km road running
- Sun 19 Jul
- £125-£165
Belvoir Castle | Olympic Triathlon
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in an Olympic Triathlon! Celebrate in the festival village afterwards.
- 1.5 km lake swimming
- 45 km road cycling + 957 ft ascent
- 10.5 km road running + 615 ft ascent
- Sun 27 Sep
- £125-£165
Hever Castle | Olympic Triathlon
Great Britain Age Group 2026 Team Qualifier. Get active in the award-winning grounds and surrounding Kent countryside in an Olympic Triathlon in an event for all ability levels then celebrate after!
- 1.5 km lake swimming
- 40 km road cycling
- 10.5 km road running + 300 ft ascent
Sprint triathlons
Race a sprint distance triathlon through stunning castle grounds.
- Sat 20 - Sun 21 Jun
- £35-£295
Cholmondeley Castle Triathlon and Multisport Festival
Get active in the beautiful grounds and surrounding area of stunning Cheshire in the discipline of your choice! Bring your friends and celebrate completing your challenge in the festival village.
- Kids triathlon 5
- Novice triathlon
- Super sprint triathlon
- Sprint triathlon 2
- Olympic triathlon
- + 15 more races
- Sat 18 - Sun 19 Jul
- £35-£295
Belvoir Castle Triathlon and Multisport Festival
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in the discipline of your choice! Celebrate in the festival village afterwards.
- Kids triathlon 4
- Super sprint triathlon
- Sprint triathlon 2
- Olympic triathlon
- Half Ironman
- + 14 more races
- Sat 26 - Sun 27 Sep
- £35-£295
Hever Castle Triathlon and Multisport Festival
Get active in the award-winning grounds and surrounding Kent countryside in the discipline of your choice! Recruit your friends and celebrate completing your challenge in the festival village.
- Half Ironman
- Olympic triathlon
- Sprint triathlon 2
- Super sprint triathlon
- Novice triathlon
- + 17 more races
Super sprint triathlons
These are some of the shortest triathlons around, perfect for beginners.
- Sat 20 Jun
- £95-£145
Cholmondeley Castle | Super Sprint Triathlon
Get active in the beautiful grounds and surrounding area of stunning Cheshire in a Super Sprint Triathlon! Bring your friends and celebrate completing your challenge in the festival village.
- 400 m lake swimming
- 28 km road cycling
- 4 km road running
- Sat 18 Jul
- £95-£145
Belvoir Castle | Super Sprint Triathlon
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in a Super Sprint Triathlon! Celebrate in the festival village afterwards.
- 400 m lake swimming
- 20 km road cycling + 632 ft ascent
- 4 km road running + 248 ft ascent
- Sat 26 Sep
- £95-£145
Hever Castle | Super Sprint Triathlon
Get active in the award-winning grounds and surrounding Kent countryside in a Super Sprint Triathlon! Recruit your friends and celebrate completing your challenge in the festival village.
- 400 m lake swimming
- 20 km road cycling + 819 ft ascent
- 4 km road running + 114 ft ascent
Novice triathlons
Never entered a triathlon before? These entry-level events will give you a taste of the sport.
- Sat 20 Jun
- £80-£120
Cholmondeley Castle | Starter Triathlon
Get active in the beautiful grounds and surrounding area of stunning Cheshire in a Starter Triathlon! Bring your friends and celebrate completing your challenge in the festival village.
- 200 m lake swimming
- 14 km road cycling + 387 ft ascent
- 2.5 km road running
- Sat 18 Jul
- £80-£120
Cholmondeley Castle | Starter Triathlon
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in a Starter Triathon! Celebrate in the festival village afterwards.
- 200 m lake swimming
- 12 km road cycling
- 2.5 km road running + 196 ft ascent
- Sat 26 Sep
- £80-£120
Hever Castle | Starter Triathlon
Get active in the award-winning grounds and surrounding Kent countryside in a Starter Triathlon! Recruit your friends and celebrate completing your challenge in the festival village.
- 200 m lake swimming
- 12 km road cycling
- 2.5 km road running + 69 ft ascent
Kids triathlons
These Junior and Youth events are a brilliant way for kids to get involved in multisport festivals.
- Sat 20 - Sun 21 Jun
- £35-£295
Cholmondeley Castle Triathlon and Multisport Festival
Get active in the beautiful grounds and surrounding area of stunning Cheshire in the discipline of your choice! Bring your friends and celebrate completing your challenge in the festival village.
- Kids triathlon 5
- Novice triathlon
- Super sprint triathlon
- Sprint triathlon 2
- Olympic triathlon
- + 15 more races
- Sat 18 - Sun 19 Jul
- £35-£295
Belvoir Castle Triathlon and Multisport Festival
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in the discipline of your choice! Celebrate in the festival village afterwards.
- Kids triathlon 4
- Super sprint triathlon
- Sprint triathlon 2
- Olympic triathlon
- Half Ironman
- + 14 more races
- Sat 26 - Sun 27 Sep
- £35-£295
Hever Castle Triathlon and Multisport Festival
Get active in the award-winning grounds and surrounding Kent countryside in the discipline of your choice! Recruit your friends and celebrate completing your challenge in the festival village.
- Half Ironman
- Olympic triathlon
- Sprint triathlon 2
- Super sprint triathlon
- Novice triathlon
- + 17 more races
Middle distance duathlons
These endurance races are a real test of stamina on foot and on two wheels.
- Sun 21 Jun
- £90
Cholmondeley Castle | Middle Duathlon
Get active in the beautiful grounds and surrounding area of stunning Cheshire in a Middle Distance Duathlon! Bring your friends and celebrate completing your challenge in the festival village.
- 10 km trail running
- 56 km road cycling
- 10 km trail running
- Sun 19 Jul
- £90
Belvoir Castle | Middle Duathlon
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in Middle Distance Duathlon! Celebrate in the festival village afterwards.
- 10.5 km trail running + 615 ft ascent
- 90 km road cycling
- 10.5 km trail running + 615 ft ascent
- Sun 27 Sep
- £90
Hever Castle | Middle Duathlon
Get active in the award-winning grounds and surrounding Kent countryside in a Middle Distance Duathlon! Recruit your friends and celebrate completing your challenge in the festival village.
- 10.5 km trail running + 300 ft ascent
- 90 km road cycling + 2392 ft ascent
- 10.5 km trail running + 300 ft ascent
Standard distance duathlons
Run and cycle through stunning Castle grounds and surrounding landscapes.
- Sun 21 Jun
- £80
Cholmondeley Castle | Standard Duathlon
Get active in the beautiful grounds and surrounding area of stunning Cheshire in a Standard Duathlon! Bring your friends and celebrate completing your challenge in the festival village.
- 10 km trail running
- 42 km road cycling
- 5 km trail running + 164 ft ascent
- Sun 19 Jul
- £80
Belvoir Castle | Standard Duathlon
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in a Standard Duathlon then celebrate with family and friends in the grounds afterwards
- 10.5 km trail running + 615 ft ascent
- 45 km road cycling + 957 ft ascent
- 5 km trail running + 281 ft ascent
- Sun 27 Sep
- £80
Hever Castle | Standard Duathlon
Get active in the award-winning grounds and surrounding Kent countryside in a Standard Duathlon! Recruit your friends and celebrate completing your challenge in the festival village.
- 10.5 km trail running + 300 ft ascent
- 40 km road cycling
- 4.2 km trail running
Sprint distance duathlons
These shorter run-bike-runs are brilliant for beginners.
- Sat 20 Jun
- £75
Cholmondeley Castle | Sprint Duathlon
Get active in the beautiful grounds and surrounding area of stunning Cheshire in a Sprint Duathlon! Bring your friends and celebrate completing your challenge in the festival village.
- 5 km trail running
- 28 km road cycling
- 2.5 km trail running
- Sat 18 Jul
- £75
Belvoir Castle | Sprint Duathlon
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in a Sprint Duathlon! Celebrate in the festival village afterwards.
- 5 km trail running + 281 ft ascent
- 20 km road cycling + 632 ft ascent
- 2.5 km trail running + 196 ft ascent
- Sat 26 Sep
- £75
Hever Castle | Sprint Duathlon
2025 European Sprint Duathlon Qualifier. Get active in the award-winning grounds and surrounding Kent countryside in Sprint Duathlon then celebrate completing your challenge in the festival village.
- 5 km trail running
- 20 km road cycling + 819 ft ascent
- 2.5 km trail running + 69 ft ascent
Aquabike
Dive into the lake of a historic castle before heading off into the surrounding countryside on two wheels!
- Sun 21 Jun
- £70
Cholmondeley Castle | Standard Aquabike
Get active in the beautiful grounds and surrounding area of stunning Cheshire in a Standard Aquabike! Bring your friends and celebrate completing your challenge in the festival village.
- 1.5 km lake swimming
- 42 km road cycling
- Sun 19 Jul
- £70
Belvoir Castle | Standard Aquabike
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in a Standard Aquabike! Celebrate in the festival village afterwards.
- 1.5 km lake swimming
- 45 km road cycling + 957 ft ascent
- Sun 27 Sep
- £70
Hever Castle | Standard Aquabike
This event has been awarded the 2027 World Championship Standard Distance Aquabike Qualifier! Recruit your friends and celebrate completing your challenge in the festival village.
- 1.5 km lake swimming
- 40 km road cycling
- Sat 20 Jun
- £65
Cholmondeley Castle | Sprint Aquabike
Get active in the beautiful grounds and surrounding area of stunning Cheshire in a Sprint Aquabike! Bring your friends and celebrate completing your challenge in the festival village.
- 750 m lake swimming
- 28 km road cycling
- Sat 18 Jul
- £65
Belvoir Castle | Sprint Aquabike
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in a Sprint Aquabike! Celebrate in the festival village afterwards.
- 750 m lake swimming
- 20 km road cycling + 632 ft ascent
- Sat 26 Sep
- £65
Hever Castle | Sprint Aquabike
Get active in the award-winning grounds and surrounding Kent countryside in a Sprint Aquabike! Recruit your friends and celebrate completing your challenge in the festival village.
- 750 m lake swimming
- 20 km road cycling + 819 ft ascent
Aquathlons
Immerse yourself (literally) in the stunning grounds of these castle venues in a run-swim-run.
- Sun 21 Jun
- £65
Cholmondeley Castle | Standard Aquathlon
Get active in the beautiful grounds and surrounding area of stunning Cheshire in a Standard Aquathlon! Bring your friends and celebrate completing your challenge in the festival village.
- 1.5 km lake swimming
- 10 km road running
- Sun 19 Jul
- £65
Belvoir Castle | Standard Aquathlon
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in a Standard Aquathlon! Celebrate in the festival village afterwards.
- 1.5 km lake swimming
- 10 km road running
- Sun 27 Sep
- £65
Hever Castle | Standard Aquathlon
Get active in the award-winning grounds and surrounding Kent countryside in a Standard Aquathlon! Recruit your friends and celebrate completing your challenge in the festival village.
- 1.5 km lake swimming
- 10 km road running
- Sat 20 Jun
- £50
Cholmondeley Castle | Sprint Aquathlon
Get active in the beautiful grounds and surrounding area of stunning Cheshire in a Sprint Aquathlon! Bring your friends and celebrate completing your challenge in the festival village.
- 750 m lake swimming
- 5 km road running + 164 ft ascent
- Sat 18 Jul
- £50
Belvoir Castle | Sprint Aquathlon
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in a Sprint Aquathlon! Celebrate in the festival village afterwards.
- 750 m lake swimming
- 5 km road running + 281 ft ascent
- Sat 26 Sep
- £50
Hever Castle | Sprint Aquathlon
Get active in the award-winning grounds and surrounding Kent countryside in a Sprint Aquathlon! Recruit your friends and celebrate completing your challenge in the festival village.
- 750 m lake swimming
- 5 km road running
Swims
Gain rare access to the lakes within these historic venues which are fantastic locations for an open water swim!
- Sat 20 - Sun 21 Jun
- £35-£295
Cholmondeley Castle Triathlon and Multisport Festival
Get active in the beautiful grounds and surrounding area of stunning Cheshire in the discipline of your choice! Bring your friends and celebrate completing your challenge in the festival village.
- Kids triathlon 5
- Novice triathlon
- Super sprint triathlon
- Sprint triathlon 2
- Olympic triathlon
- + 15 more races
- Sat 18 - Sun 19 Jul
- £35-£295
Belvoir Castle Triathlon and Multisport Festival
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in the discipline of your choice! Celebrate in the festival village afterwards.
- Kids triathlon 4
- Super sprint triathlon
- Sprint triathlon 2
- Olympic triathlon
- Half Ironman
- + 14 more races
- Sat 26 - Sun 27 Sep
- £35-£295
Hever Castle Triathlon and Multisport Festival
Get active in the award-winning grounds and surrounding Kent countryside in the discipline of your choice! Recruit your friends and celebrate completing your challenge in the festival village.
- Half Ironman
- Olympic triathlon
- Sprint triathlon 2
- Super sprint triathlon
- Novice triathlon
- + 17 more races
Marathons
Race through the grounds of a historic castle and the surrounding countryside.
- Sun 21 Jun
- £65-£80
Cholmondeley Castle | Marathon
Run a marathon through the beautiful grounds of the Cholmondeley Castle estate in this event for a range of levels of marathon runner, then celebrate with friends and family in the festival village.
- 42.2 km trail running
- Sun 19 Jul
- £65-£80
Belvoir Castle | Marathon
A jewel in the castle crown! Get active in the beautiful castle grounds in a marathon run then celebrate with fellow athletes, friends and family in the fantastic festival village afterwards.
- 42.2 km trail running
- Sun 27 Sep
- £65-£80
Hever Castle | Marathon
Get active in the award-winning grounds and surrounding Kent countryside in a full marathon! Recruit your friends and celebrate completing your challenge in the festival village.
- 42.2 km trail running
Half marathons
These 13.1-mile races explore the open countryside around historic castle venues.
- Sun 21 Jun
- £45
Cholmondeley Castle | Half Marathon
Race a half marathon through the beautiful grounds of the Cholmondeley Castle estate in this event for a range of levels of runner, then celebrate with friends and family in the festival village.
- 21.1 km trail running
- Sun 19 Jul
- £45
Belvoir Castle | Half Marathon
A jewel in the castle crown! Get active in the beautiful castle grounds in a half marathon run then celebrate with fellow athletes, friends and family in the fantastic festival village afterwards.
- 21.1 km trail running
- Sun 27 Sep
- £45
Hever Castle | Half Marathon
Get active in the award-winning grounds and surrounding Kent countryside in a half marathon! Recruit your friends and celebrate completing your challenge in the festival village.
- 21.1 km trail running
10K runs
Whether you're looking to test your PB or just enjoy the surroundings, these 10K runs are well worth signing up to.
- Sun 21 Jun
- £35
Cholmondeley Castle | 10K Run
Race 10K through the beautiful grounds of the Cholmondeley Castle estate in this event for a range of levels of runner, then celebrate with friends and family in the festival village.
- 10 km trail running
- Sun 19 Jul
- £35
Belvoir Castle | 10K Run
A jewel in the castle crown! Get active in the beautiful castle grounds in a 10K run! Then celebrate with fellow athletes, friends and family in the fantastic festival village afterwards.
- 10 km trail running
- Sun 27 Sep
- £35
Hever Castle | 10K
Get active in the award-winning grounds and surrounding Kent countryside in a 10K run! Recruit your friends to join in then celebrate completing your challenge in the festival village.
- 10 km trail running
Obstacle races
Race along muddy paths and through woodland to pit yourself against a series of challenging obstacles that simulates Royal Marines training!