SAS: Who Dares Wins
In this extreme multi-sports adventure, 36 teams race from the north to the south of Wales over spectacular climbs, through underground caves and even down the world's fastest zip-wire
The world's biggest single-day adventure race sees athletes visit Killarney in Ireland to take on the stunning peaks, spectacular mountain roads and crystal clear lakes of County Kerry
One of the world's most popular adventure series returns to London, as 12,000 competitors gather in Wembley Stadium to face a 10km course full of surprises
After a bracing swim in the lake at Plas y Brenin in north Wales, the competitors face a 69km bike ride on some steep passes, finishing with triathlon's only mountain run on Moel Siabod
One of the toughest triathlons on the UK calendar, this multi-terrain event takes place on the Isle of Anglesey in north Wales, where over 1000 athletes tackle a sea swim and sand dune run
The River Rat Race urban adventure series returns to the River Tees in north-east England, where the competitors splash their way round a 10km course of specially constructed obstacles
This off-road marathon takes place at the stunning West Wycombe Park in Buckinghamshire. The event attracts all abilities, from elites to those in search of tough trail-running challenges.
After a phenomenal debut year in 2013, this popular and picturesque event returns to the walled city of York. Presenters: Rob Walker and Katharine Merry; Commentary: Patrick Winterton.
The final event in the Castle Triathlon Series takes place at Hever Castle in Kent. The weekend's action ranges from elite competition through to the world's largest children's triathlon.
The flat, fast course of Britain's second biggest half marathon attracts the elite, celebrities and fun-runners alike. Presented by Frances Donovan, Christian Malcolm and Lowri Morgan.
A second chance for athletes to compete on British soil for a place at the World Championships in Kona takes place within the stunning scenery of Pembrokeshire
The final of the action-packed Street Velodrome series takes place at Broadgate in the city of London, with four teams and the fastest riders racing head to head for the title
In the thrilling arena of the world's only pop-up velodrome, pro and amateur cyclists compete head to head in knockout pursuit races lasting less than a minute
Yorkshire's the venue for this round, on a course that takes in the stunning sights of Castle Howard's house and gardens, previously used for the TV series Brideshead Revisited.
Nottingham hosts this popular long distance triathlon as over 1000 athletes attempt to finish the 2.4 mile swim, 112 mile bike and 26.2 mile run within 17 hours, earning the title 'Outlaw'
Tri Liverpool hosts the British Triathlon Championships and finale of the British Triathlon Super Series as leading female triathletes take on world number one Gwen Jorgensen in a sprint distance race
The stunning Pembrokeshire coast is the setting for this triathlon which is made up of three events across three days: the Huub Wales Swim, the Tredz Wales Sportive and the Newton Wales Marathon
Jenni Falconer and Annie Emmerson present the world's largest triathlon in which 13,000 competitors, including celebrities from entertainment and sport, enjoy a weekend of competition
All the drama of the UK's toughest triathlon on one of the most challenging Ironman courses in the world and a UK qualifier for the World Championships in Kona, Hawaii
North Wales is the venue for this multi-terrain triathlon, the first of three events in the Always Aim Tri series which covers the slopes of Snowdon and the slate quarries of Llanberis
Britain's oldest major triathlon takes place in the shadow of Windsor Castle and Eton College. Presented by Rob Walker and Annie Emmerson, with commentary from Patrick Winterton.
The first major triathlon of the season takes place in Oxfordshire, with thousands of elites, enthusiasts and celebrities enjoying the scenic Blenheim Palace course
This 100km endurance running event is part of the Ultra Trail World Tour and takes place around the stunning native forests of Rotorua on New Zealand's North Island
The island of La Palma is the setting for this tough and spectacular ultra-marathon, with thousands of runners taking on an 83 kilometre course that includes 4500 metres of ascent on volcanoes
Paula Radcliffe fires the starting gun of the fourth Brighton Marathon, with 10,000 competitors, including world-class competition and a party atmosphere
Power and technique face the ultimate test in this new cycling concept. Riders compete in knockout pursuit races lasting less than a minute, all taking place on the world's only portable velodrome.
Highlights of the tenth anniversary of F1 star Mark Webber's five-day multisport race through the stunning beauty and epic challenge of Tasmania, Australia's island state
Over 2000 athletes test their bodies and minds against triathlon's ultimate distance in the first major long course event of the year, in New Zealand's spectacular Southern Alps