A multi-stage ultra marathon that takes place over five days in the in the stunning scenic and seldom travelled backcountry of northern Tanzania around Mount Kilimanjaro.

Ultra X Scotland is an event that takes place in the Scottish Highlands, a mountainous region in northwest Scotland known for its stunning scenery and trails, with the Great Glen and Loch Ness at its centre.

Ultra X Wales is a multi-stage ultra-marathon that takes place over two days around southern Snowdonia in western Wales. It offers two races; Ultra X 110 Wales and Ultra X 50 Wales.

Ultra X England is an event that takes place in the Peak District National Park in September each year

Ultra X Jordan takes place in the land of Lawrence of Arabia. The mystical desert course takes competitors past historic sites, into dramatic wadis and over magnificent sand dunes.

Ultra X Nevada is a multi-stage ultra marathon that takes place over five days in the Red Rock Conservation Area and Spring Mountain Recreation Area