ultramarathons
/ˌʌltrəˈmɛrəθɑnz/
noun
- Races that are longer than the standard marathon distance of 26.2 miles (42.195 kilometers).
- Many ultramarathons take place on trails rather than roads.
- She has run several ultramarathons, including a 100-mile race through the mountains.
- Ultramarathons test both physical endurance and mental strength.