Ironman Florida: What will Run Time Be Based on Bike Time?

At Ironman Florida, on average, if you ride a 6:06 bike split, your marathon could be around 4:57, based on 2010 Results. Said another way: the average marathon split was 81% of the bike split. But, of course, the percent differed by age group; see below. See our related Bike/Run Split Correlation Analysis, Race Results and Average Finish Times, and our complete Ironman Florida Coverage.

Ironman Florida: Correlation Between Bike Split and Run Split

Always on the mind of the Ironman Triathlete: how hard should I ride if I want to save enough energy to run a good marathon? In the 2010 Ironman Florida, if you rode a 6:06 bike split and ran a 4:57 marathon, you struck the perfect balance. Also see our analysis of Average Finish Times and our complete Ironman Florida coverage.

Another way to look at the equation, at least on the Ironman Florida course: marathon time = 0.81 times your bike split. That's what the data for 2301 athletes suggests, though the degree of confidence is a bit mixed. Those in the upper left quadrant generally left it on the bike course, burned out on the run. Conversely, those in the lower right ran better than expected after a slow bike split. The others: smooth, steady, solid balance, and comfortable finishes.

Ironman Florida Results Analysis and Kona Qualifying Times

Ironman Florida's 'flat and fast' course makes it one of the faster races, in terms of average finish time. Here are average finish times by Age Group. For more analysis and information, see our Complete Ironman Florida Coverage and 2010 Race Results.