Hardest vs. Easiest Half Ironman 70.3 Triathlon Bike Courses

What's the toughest Half Ironman/Ironman 70.3 bike course?  Of the races we  analyzed, it's clearly Ironman 70.3 UK, followed by Branson, South Africa, Japan, and Mooseman

Setting aside the world-class times turned in at the world championship in Clearwater, Brazil, Austria, Pucon, Steelhead, and Florida appear to feature the fastest Ironman 70.3 bike courses.

Also see our toughest/easiest half Ironman swim,  run and overall finish times analyses. For even more, see our complete analysis of toughest/easiest full Ironman distance races.