Half Ironman Triathlon Events

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What you need to know about Half Ironman Triathlon

Discover awesome Half Ironman — also known as middle distance, or 70.3 — triathlon events. Swim 1.9km, bike 90km, run 20km.

Trending Half Ironman Triathlon Events

20 results
Official Partner

The award-winning Mumbles Triathlon has become a well known event in South Wales, and attracts a number of athletes from all levels and experience.

The Mumbles Tri offers athletes three course distances in the idyllic setting of Mumbles Bay for the Swim, the famous Gower Roads for the bikes and a picturesque run along the stunning shoreline of the Mumbles Bay.

The Mumbles Triathlon can be entered by anyone who feels they are capable of competing. There is gender separation, so men and women compete for first place in their respective category.

Mumbles Triathlon

Mayals, Swansea, GB
Mumbles Triathlon

Wildflower is not just another triathlon! Its a 3-day party celebrating multi-sport, music wellness and outdoor adventure. Packed in with a full schedule of races, this iconic weekend triathlon festival boasts three action-packed expo venues featuring top-notch live entertainment, celebration Firestone-Walker beer garden, 15C wine tasting and informative race clinics by top pros and much more

Explore the 350 square miles of Lake San Antonio by paddleboard or kayak. Rentals are available all weekend for the Wildflower watermen.

We said Wildflower is fun for all ages and we meant it! Camp Wildflower is a cool kid-zone complete with playground, art & crafts and interactive games! Where a kid can be a kid!

Wildflower Experience

Bradley, California, US
Wildflower Experience
Official Partner

Who will be brave enough to challenge for the Triple Crown? Only the most hardened athletes will endeavour to complete all 3 elements over the weekend 10K, Mega Sprint and Middle Distance to secure a place in the Triple Crown Hall of Fame.

Please note - For participating in "Triple Crown" which consist all 3 races (10K, Mega Sprint and Middle/Half Distance), it will cost 220.
Or
If you want to participate in 10K, Mega Sprint or Middle/Half Distance separately then please check the links below:
10K race - https://www.letsdothis.com/e/immortal-10k-99954
Mega Sprint - https://www.letsdothis.com/e/immortal-megasprint-66744
Middle/Half Distance - https://www.letsdothis.com/e/immortal-half-stourhead-99946

Immortal Triple Crown – Stourhead

Stourton, Wiltshire, GB
Immortal Triple Crown – Stourhead
Official Partner

Become Immortal on the 12th May 2019.

The Immortal Middle Distance triathlon returns to the Iconic Stourhead Estate in Wiltshire. The superb venue guarantees fantastic facilities and breath-taking scenery. Your supporters have no excuse not to join you in celebrating your Immortal Triumph!

Immortal Half – Stourhead

Stourton, Wiltshire, GB
1 race
£124£160
Immortal Half – Stourhead
Official Partner

This is the 10th year of the Marlow Sprint & Olympic Distance Triathlon, consisting of a river swim, cycling and running. The event has attracted 1000s of participants over the year and is open to all levels of participant and encourages first time triathletes to the event.

The Swim course is in the River Thames. It is designed to make even the weakest swimmer get a fast swim split.

The Marlow Classic Half Iron Distance is the only long distance event in the Thames Valley. a fairly flat scenic course taking in the views of Marlow and the surrounding areas.
The Bike course for the Sprint Distance is 24.5km & the Olympic Distance is 37km. It is an out and back course and only has two hills, but otherwise fast and flat.

The Run course for the Sprint Distance is a 1 Lap 5km route & the Olympic Distance is 2 Laps for a 10km. The course is on Tarmac and Grass Footpaths. It meanders back towards Marlow and into the finish at Higginson Park from the river tow path.

The event is set to attract over 700 participants, as the world of endurance sports and triathlon creates massive demand for longer distance events over the shorter distances that have originally formed this great sport.

Marlow Classic Half Iron, Olympic & Sprint Triathlon

Marlow, GB
1 race
£125£140
Marlow Classic Half Iron, Olympic & Sprint Triathlon
Official Partner

After a successful event in 2018, Immortal Sport are pleased to bring their tried and tested Middle Distance Triathlon experience to the fantastic Wimbleball venue. The highly anticipated climax to our exciting weekend of sport will see competitors take to the lake for a single lap of one of most beautifully located bodies of water in the country, before heading out on a partially closed road route on the fine Somerset and Devon road network. The final discipline will be within the beautiful Wimbleball countryside affording outstanding views.

Immortal Half – Wimbleball

Brompton Regis, Somerset, GB
1 race
£155£174
Immortal Half – Wimbleball
Official Partner

Who will be brave enough to challenge for the Triple Crown? Only the most hardened athletes will endeavour to complete all 3 elements over the weekend 10K, Classic and Middle Distance to secure a place in the Triple Crown Hall of Fame.

Please note - For participating in "Triple Crown" which consist all 3 races (10K, Classic and Middle/Half Distance), it will cost 220.
Or
If you want to participate in 10K, Classic and Middle/Half Distance separately then please check the links below:
10K race - https://www.letsdothis.com/e/immortal-10k-wimbleball-99989
Classic - https://www.letsdothis.com/e/immortal-classic-wimbleball-99978
Middle/Half Distance - https://www.letsdothis.com/e/immortal-wimbleball-half-99971

Immortal Triple Crown – Wimbleball

Brompton Regis, Somerset, GB
Immortal Triple Crown – Wimbleball

The Fugitive Half Iron Distance is the only long distance event in the Thames Valley. a fairly flat scenic course taking in the views of Marlow and the surrounding areas.
This is the 10th year of the Fugitive Sprint & Olympic Distance Triathlon, consisting of a river swim, cycling and running. The event has attracted 1000s of participants over the year and is open to all levels of participant and encourages first time triathletes to the event.

06:30 am 14th July 2019: All Half Iron Distance Athletes Start
07:30 am 14th July 2019: Sprint Distance Athletes Start 07:45: Olympic Distance Athletes Start
06:30 am 14th July 2019: All Half Iron Distance Athletes Start
07:45 am 14th July 2019: Olympic Distance Athletes Start

The Fugitive Triathlon

Marlow, GB
The Fugitive Triathlon
Official Partner

Returning to probably the fastest middle distance triathlon in the South East in 2019. New parking area for competitors and spectators plus a new run route.

Owler Tris offer middle distance plus standard triathlons, aquabikes and OWS.

The triathlons will start in Lydd Lake with a two lapped swim, before competitors ride a flat lapped bike route on scenic country roads through Lydd, Brooklands and Camber, before returning to transition at Lydd lake.

The 21K run section is flat four laps out and back route along paths around lake and surrounding paths. The standard run also follows the same route. You then head to cross the finish line in style.

Also on offer the Owler Aquabike both at half, standard and sprint distance.

Owler Triathlon

Romney Marsh, GB
1 race
£120£150
Owler Triathlon

Heaven on earth!

Amazing, white sanded beaches, unforgettable torquoise landscapes in Mexicos first spot where the sun rises every day.

There are 14 miles of reefs with a fantastic marine biodiversity make you feel in paradise. The large coral reefs and living underwater gardens are home to a rich marine fauna.
Cozumel also has many other spectacular attractions: Chankanaab National Park and San Gervasio Archaeological Zone are just a couple of remarkable examples. Theres always a million reasons to return to Cozumel.

World-class triathlon center, Cozumel has hosted Ironman events since 2009, Race routes that go through unforgettable landscapes, a great local community and world class events, make the perfect match.

The 2018 IRONMAN 70.3 Cozumel offers 30 qualifying slots to the 2019 IRONMAN 70.3 World Championship.

Ironman 70.3 Cozumel

Quintana Roo, MX
Ironman 70.3 Cozumel

This historical first edition was sold out with 2200 enthusiastic athletes!

With its mild climate and 3000 hours of sunshine per year, Portugal has always been the perfect destination for family holidays. Now, these welcoming conditions are part of the IRONMAN 70.3 event series. With a history of over 650 years, Cascais is just a 20 minute drive from Lisbon International Airport and is located between Sintraa UNESCO World Heritage Siteand the Village of Oeiras. Athletes will experience the best Cascais has to offer, starting with a one loop swim of 1900 meters in front of the Fortaleza da Cidadela, the most spectacular bay in Portugal.

With its starting point in Cascais, the single 90,1 km loop cycle course runs alongside the ocean, through to Oeiras, Algs, Belm and returning in Alcntara, a fast and flat part of this beautiful landscape. The course also covers stunning natural scenery in the Sintra forests, returning to Cascais along the Guincho Beach road "where the land ends and the sea begins." The two loops of the 21,1 km run course start in the Hippodrome, taking athletes through Cascais Village, Marginal road and the seaside promenade (Paredo), the perfect inspiration to finish the race. Running between Cascais, Estoril and S. Pedro, competitors will be cooled by sea breezes and cheered on by spectators from the many restaurants.

Historic houses, palaces, and fortresses of bygone times over one of the most beautiful race courses ever designed for a triathlon. It's sure to be of the most amazing experiences of an athlete's lifetime.

The race will offer 50 qualifying slots for the 2018 IRONMAN 70.3 World Championship.

Ironman 70.3 Cascais-Portugal

Cascais, Lisboa, PT
Ironman 70.3 Cascais-Portugal

The 2016 Olympic host city welcomes IRONMAN racing.

Rio de Janeiro is one of the most visited cities in the Southern Hemisphere and is known for its natural settings, carnival celebrations and beaches. In addition to the beaches, some of the most famous landmarks include the giant statue of Christ the Redeemer atop the Corcovado Mountain, named one of the New Seven Wonders of the World. Rio de Janeiro will also host the 2016 Summer Olympics and the 2016 Summer Paralympics.

Athletes will begin their day with a 1.2-mile (1.9 km) swim, 56-mile (90 km) bike and 13.1-mile (21 km) run around the beautiful city of Rio de Janeiro. The race starts at Recreio dos Bandeirantes where the one-lap swim will take place. The bike course will lead athletes through breathtaking landscapes on a three-loop course. Finally, the two-loop run course will take athletes close to the unique seashore and offers breathtaking views of the city and its surroundings. Athletes will conclude the day by crossing the energetic finish line at Recreio dos Bandeirantes.

This race will offer 30 age-group qualifying slots for the 2019 IRONMAN 70.3 World Championship.

Ironman 70.3 Rio de Janeiro

Rio de Janeiro, Rio de Janeiro, BR
Ironman 70.3 Rio de Janeiro

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