Unique: For the first time, a person has circumnavigated Vitosha in under 7 hours
Hristo Tsvetkov ran 100 km in an “almost perfect” 6.56:40 to improve his own record by a full 42 minutes…
Hristo Tsvetkov ran 100 km in an “almost perfect” 6.56:40 to improve his own record by a full 42 minutes…