i.run
i.fitness
i.fit
i.co
i.io
i.us
i.at
i.nz
i.be
i.cl
i.si
i.ею
i.ua
i.рф
i.co.us
i.se

i.run

Extension: .run

How do you know if someone ran a marathon? They’ll tell you. Probably on their .run domain.

Learn more about .run at IANA or Wikipedia, or view all top-level domains.