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Triathlon Calendar

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Triathlon is a demanding and complete sport that combines swimming, cycling and running in a continuous sequence. Born in the 1970s in California as an alternative to track training, this sport quickly became globally popular, with its inclusion in the Olympic Games in 2000. Triathlon tests not only physical endurance, but also mental strength and the triathlete's ability to adapt. It is practiced in varied environments, from the sea to lakes for swimming, from roads to countryside for cycling and running. Triathlon formats vary considerably, offering challenges for all levels. The XS (Supersprint) format is ideal for beginners, with short distances (400m swim, 10km bike, 2.5km run). The S (Sprint) format is the most popular among amateurs (750m swim, 20km bike, 5km run). The M (Olympic) format is the one used at the Olympic Games, with distances of 1.5km swim, 40km bike and 10km run. For more experienced athletes, the L, XL, Half Ironman (also known as 70.3) and Ironman (also known as XXL) formats represent the pinnacle of endurance. The 70.3 combines 1.9km swim, 90km bike and 21.1km run (a half marathon), while the Ironman is famous for its extreme distances: 3.8km swim, 180km bike and 42.195km run (a full marathon). Transitions between disciplines are called T1 (swim-to-bike) and T2 (bike-to-run) and are key moments in the race where athletes must be quick and efficient. To prepare for a triathlon, rigorous planning is necessary, incorporating specific sessions for each discipline as well as brick sessions to get the body used to switching from one sport to another. Equipment is also crucial: a wetsuit, a suitable bike, running shoes and a helmet are essentials for successful participation. The atmosphere of a triathlon is unique, blending competitive spirit and friendliness. Whether you are a seasoned athlete or a beginner looking for a challenge, our triathlon calendar will help you find the perfect event.

Nottinghamshire: Your Sports Events Calendar

Welcome to Nottinghamshire, a vibrant county in the heart of England, renowned for its rich history, legendary forests, and a thriving calendar of sports events. Whether you're a seasoned athlete or looking for your next challenge, Nottinghamshire offers an unparalleled array of triathlons, trail runs, cycling races, swimming events, and more, making it a premier destination for sports enthusiasts. The diverse landscape of Nottinghamshire provides the perfect backdrop for a multitude of athletic pursuits. The iconic Sherwood Forest, steeped in the legend of Robin Hood, isn't just a historical landmark; it's a natural playground for trail runners and mountain bikers. Its ancient woodlands and winding paths offer challenging yet scenic routes, drawing competitors from across the UK for thrilling off-road adventures. Imagine pushing your limits amidst towering oaks and serene forest clearings. For those who prefer the tarmac, Nottinghamshire’s well-maintained roads and picturesque villages are ideal for road cycling and running events. From fast, flat marathons and half-marathons through Nottingham city centre to scenic sportive routes that explore the county’s quieter corners, there's a race for every pace. Local running clubs and event organisers ensure a packed schedule throughout the year, culminating in exciting races that attract thousands. Water sports find their home at world-class venues like the National Water Sports Centre at Holme Pierrepont. This premier facility is a hub for open water swimming, aquathlons, and triathlons, offering safe and clear waters for athletes of all levels. Duathlons, combining running and cycling, also feature prominently, often utilising the flat, fast routes around the water park. The River Trent, a major waterway, also hosts various water-based activities and provides picturesque backdrops for events running alongside it. Nottinghamshire’s appeal as a sporting destination extends beyond its natural assets and top-tier facilities. Its central location in the UK makes it easily accessible, while its welcoming community and passionate local support create an electric atmosphere at every event. From grassroots races to major championships, the county prides itself on hosting well-organised and memorable sporting experiences. Looking ahead to 2026, the calendar is already brimming with exciting opportunities. Whether you're aiming for a personal best in a 10K, tackling your first triathlon, or exploring the trails of Sherwood Forest, Nottinghamshire promises an unforgettable experience. Don't miss out on the chance to compete, challenge yourself, and be part of the vibrant sports scene here. Check our calendar for all the upcoming events in Nottinghamshire for 2026 and plan your next adventure!

🧠 FAQ - Triathlon for Everyone

❓ What are the triathlon distances?

Distances vary by format: XS (400m / 10km / 2.5km), S (750m / 20km / 5km), M (1.5km / 40km / 10km), L (3km / 80km / 20km), XL (4km / 120km / 30km) and the legendary Half Ironman and Ironman.

❓ Do you need to be a good swimmer to do a triathlon?

You don't need to be an elite swimmer, but being comfortable in the water is essential. Most triathlons take place in open water, so it's important to train swimming in lakes or the sea if possible. Specific pool training is also very useful.

❓ How long does it take to complete an M triathlon?

The average time for an M format triathlon is generally between 2h30 and 3h30, depending on the athlete's level, race conditions and course profile.

❓ What is an Ironman?

An Ironman is the longest triathlon format. It consists of 3.8km swim, 180km bike and 42.195km run (a marathon). It is one of the toughest endurance challenges in the world.

❓ What equipment is mandatory?

Basic triathlon equipment includes a swimsuit or triathlon suit, swim goggles, a bike (road or triathlon), an approved helmet, and running shoes. For long formats, on-board nutrition is essential.

❓ Can you participate in a triathlon without a license?

Most triathlons allow unlicensed participants by purchasing a day pass from the French Triathlon Federation (FFTRI) and providing a valid medical certificate. It is important to check the registration conditions for each event.