List of Ultra Marathon Races and Events. Long Distance Running Events. Ultra Marathons or Popularly Known as Ultras a Distance Running Events that take can take place over a few days, a whole week and sometimes longer.
Brunei Unexpected Kingdom Ultramarathon (B.U.K.U.M.), the inaugural 24-hours ultramarathon run that covers Brunei Darussalam three (3) main districts, out of the four (4) districts, in the country. This is the