Triathlons in East Midlands
Find triathlons near me in East Midlands for 2025/2026 - search by date or place, display on a map or use the advanced search to find your perfect race.
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Click an event for full event details, location, route, sustainability, what's included and how to enter.

- Sat 28 Jun
- £20
- Sat 28 Jun
- £20
ATW Childrens Triathlon Mallory Park | Tristart
Mallory Park Junior Triathlon: Where Dreams Take Flight! Nurturing the next generation of triathletes, providing a safe and exhilarating environment for children to discover the thrill of multisports.
- Enter online
- Traffic free
- Age 8-8
- 100 m lake swimming
- 1.5 km road cycling
- 600 m road running

- Sat 28 Jun
- £31
- Sat 28 Jun
- £31
ATW Childrens Triathlon Mallory Park | Tristar 1
Mallory Park Junior Triathlon: Where Dreams Take Flight! Nurturing the next generation of triathletes, providing a safe and exhilarating environment for children to discover the thrill of multisports.
- Enter online
- Traffic free
- Age 9-10
- 200 m lake swimming
- 4 km road cycling
- 1.2 km road running

- Sat 28 Jun
- £31
- Sat 28 Jun
- £31
ATW Childrens Triathlon Mallory Park | Tristar 2
Mallory Park Junior Triathlon: Where Dreams Take Flight! Nurturing the next generation of triathletes, providing a safe and exhilarating environment for children to discover the thrill of multisports.
- Enter online
- Traffic free
- Age 11-12
- 300 m lake swimming
- 6 km road cycling
- 1.8 km road running

- Sat 28 Jun
- £31
- Sat 28 Jun
- £31
ATW Childrens Triathlon Mallory Park | Tristar 3
Mallory Park Junior Triathlon: Where Dreams Take Flight! Nurturing the next generation of triathletes, providing a safe and exhilarating environment for children to discover the thrill of multisports.
- Enter online
- Traffic free
- Age 13-14
- 500 m lake swimming
- 8 km road cycling
- 2.4 km road running

- Sat 28 Jun
- £31
- Sat 28 Jun
- £31
ATW Childrens Triathlon Mallory Park | Youth
Mallory Park Junior Triathlon: Where Dreams Take Flight! Nurturing the next generation of triathletes, providing a safe and exhilarating environment for children to discover the thrill of multisports.
- Enter online
- Traffic free
- Age 15-16
- 500 m lake swimming
- 8 km road cycling
- 2.4 km road running

- Sun 29 Jun
- £78-£98
- Sun 29 Jun
- £78-£98
ATW Sprint Triathlon | Mallory Park
Mallory Park Triathlon Extravaganza: A Traffic-Free Triumph! A thrilling and safe circuit nestled in picturesque surroundings, boasting its own self-enclosed swim lake for a Sprint Tri.
- Enter online
- Flat
- Traffic free
- Age 15 & over
- 750 m lake swimming
- 20 km road cycling
- 5 km road running

- Sun 29 Jun
- £58
- Sun 29 Jun
- £58
ATW Super Sprint Triathlon | Mallory Park
Mallory Park Triathlon Extravaganza: A Traffic-Free Triumph! A thrilling and safe race circuit nestled in picturesque surroundings, boasting its own self-enclosed swim lake for a Super Sprint Tri.
- Enter online
- Flat
- Traffic free
- Age 15 & over
- 400 m lake swimming
- 10 km road cycling
- 2.5 km road running

- Sat 19 Jul
- £115-£155
- Sat 19 Jul
- £115-£155
Belvoir Castle | Sprint Plus Triathlon
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in a Sprint Plus Triathlon! Celebrate in the festival village afterwards.
- Chip timing
- Enter online
- Age 17 & over
- 800 m lake swimming
- 40 km road cycling
- 8 km road running

- Sat 19 Jul
- £100-£150
- Sat 19 Jul
- £100-£150
Belvoir Castle | Sprint Triathlon
A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in a Sprint Triathlon! Celebrate in the festival village afterwards.
- Chip timing
- Enter online
- Age 15 & over
- 750 m lake swimming
- 20 km road cycling + 632 ft ascent
- 5 km road running + 281 ft ascent

- Sat 19 Jul
- £95-£145
- Sat 19 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.
- Chip timing
- Enter online
- Age 15 & over
- 400 m lake swimming
- 20 km road cycling + 632 ft ascent
- 4 km road running + 248 ft ascent

- Sat 19 Jul
- £80-£120
- Sat 19 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.
- Chip timing
- Enter online
- Age 15 & over
- 200 m lake swimming
- 13 km road cycling
- 2.5 km road running + 196 ft ascent

- Sat 19 Jul
- £40-£60
- Sat 19 Jul
- £40-£60
Belvoir Castle | Triathlon 11-12 years
Get the family active in the beautiful castle grounds in an event for all levels - even beginners. Bring your friends and celebrate completing your challenge in the festival village.
- Chip timing
- Enter online
- Age 11-12
- 300 m lake swimming
- 4 km road cycling
- 1.6 km road running

- Sat 19 Jul
- £35-£60
- Sat 19 Jul
- £35-£60
Belvoir Castle | Triathlon 9-10 years
Get the family active in the beautiful castle grounds in an event for all levels - even beginners. Bring your friends and celebrate completing your challenge in the festival village.
- Chip timing
- Enter online
- Age 9-10
- 200 m lake swimming
- 4.2 km road cycling
- 1.3 km road running

- Sun 20 Jul
- £245-£295
- Sun 20 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.
- Chip timing
- Enter online
- Age 18 & over
- 1.9 km lake swimming
- 90 km road cycling + 957 ft ascent
- 21 km road running

- Sun 20 Jul
- £125-£165
- Sun 20 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.
- Chip timing
- Enter online
- Age 17 & over
- 1.5 km lake swimming
- 45 km road cycling + 957 ft ascent
- 10.5 km road running + 615 ft ascent

- Sun 20 Jul
- £50-£60
- Sun 20 Jul
- £50-£60
Belvoir Castle | Triathlon 15-16 years
Race through the beautiful castle grounds in an event for all levels - even beginners. Recruit your friends to join in too then celebrate afterwards in the festival village.
- Chip timing
- Enter online
- Age 15-16
- 500 m lake swimming
- 8 km road cycling
- 2.4 km road running

- Sun 20 Jul
- £45-£60
- Sun 20 Jul
- £45-£60
Belvoir Castle | Triathlon 13-14 years
Get the family active in the beautiful castle grounds in an event for all levels - even beginners. Bring your friends and celebrate completing your challenge in the festival village.
- Chip timing
- Enter online
- Age 13-14
- 400 m lake swimming
- 8 km road cycling
- 2.4 km road running

- Sun 17 Aug
- £21
- Sun 17 Aug
- £21
ATW Oundle Children’s Triathlon | Tristart
ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Childrens Triathlon! Ideal for all levels including very first attempts at triathlon.
- Chip timing
- Enter online
- Age 8-8
- 50 m pool swimming
- 800 m mountain biking
- 600 m trail running

- Sun 17 Aug
- £29
- Sun 17 Aug
- £29
ATW Oundle Children’s Triathlon | Tristar 1
ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Childrens Triathlon! Ideal for all levels including very first attempts at triathlon.
- Chip timing
- Enter online
- Age 9-10
- 150 m pool swimming
- 2 km mountain biking
- 1.2 km trail running

- Sun 17 Aug
- £29
- Sun 17 Aug
- £29
ATW Oundle Children’s Triathlon | Tristar 2
ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Childrens Triathlon! Ideal for all levels including very first attempts at triathlon.
- Chip timing
- Enter online
- Age 11-12
- 200 m pool swimming
- 4 km mountain biking
- 1.8 km trail running
- Sun 29 Jun
Sywell Sprint Triathlon Series – June Race
- 750 m lake swimming
- 20 km road cycling
- 5 km road running
- Sun 27 Jul
Outlaw Nottingham Weekend | Outlaw Nottingham
- 2.4 miles lake swimming
- 112 miles road cycling
- 26.2 miles road running
- Sun 26 Apr 2026
Tridents Grantham Triathlon
- 400 m pool swimming
- 24 km road cycling
- 5 km road running