In a 25-mile race, the 4 runners are each wearing a bib with their registration number. What is the registration number of the runner who has completed 0.8 of the race? Bar Graph titled Miles Run. Vertical axis is labeled Number of miles run. Horizontal axis is labeled Registration number. For bar 234, bar height is 20. For bar 365, bar height is 15. For bar 451, bar height is 10. For bar 589, bar height is 11.