But the fall is a better time to begin training for your first triathlon, especially if you have little to no competitive swimming experience.Joe Biondi, a longtime masters swim coach in the Tampa Bay area, gets calls every February and March from non-swimmers looking to complete the St. Anthony???s Triathlon, an Olympic-distance event (1,500-meter swim, 24.8-mile bike, and 5K run) in St. Petersbu