Here is a list of resources for the Ironman World Championships in St. George (race on May 7th):
- St. George Rating Report
- Seedings for St. George
- St. George Cheat Sheet
- Heatmaps (click for hi-res image):
Women:
Men:
- Race Development Graphs (click for hi-res image):
Women:
Men: 
Some other interesting pieces of coverage from my friends:
- Breakfast with Bob always has a lot of video interviews with the Pros racing
- Mark Allen had a YouTube series about “The Road to St. George“
- Talbot Cox has a “St. George Countdown” video series on Lionel Sander’s channel
- “Triathlon Mockery” has a special series about the Ironman World Championship on Joe Skipper’s YouTube channel
Let me know when you’d like me to add some more items to this list!