I was web surfing in re: sports coaching for my 10 YO T1D son, and I ran across this very interesting website. Had some contact with one of the two founders, who has a very compelling story. The husband has T1D and so does the now grown son, and both are or have achieved athletically at a very high level in endurance sports. They've also done some great fundraising and public outreach.
http://www.diabetessportscoaching.com/
If anyone is looking for coaching, it's a resource to at least look into. For what it's worth.