With many multi sport events you are required to do different sports. As we get more specific to race day should we increase the amount of brick sessions that are done?
I know the importance of getting the body used to changing sports and getting the body used to changing to ensure minimal lose of speed.
Great observation. Yes, this is core to the principle of specificity. As you approach your event date, you training must start to become more and more like what you will expect on race day.
6 brick sessions is a good goal for a 70.3 and an IM, with just 3-4 needed for Sprint and Oly. Those sessions grow in duration, so you might just do a 4 hour-brick for your first IM brick (3 hours ride, 1 hour run) and then add 30 minutes of cycling each week-end until you get as high as 6 hours of cycling plus an hour of running. The frequency of the bricks does not change, but the duration does.
Yes, your even tin particular has several challenges and race simulation/brick workouts are even more important. As a total guess, the priority of brick workouts to me would be your:
run to swim
kayak to run
prone to run
swim to prone (this one may not need any brick workouts, it’s a pretty easy transition)
Normally, with a triathlon you’d perform one long brick once a week. For you, I think 2x a week for 6 weeks, rotating between 2 of the first 3 priorities. Maybe all 3 every week? Not sure, but at least 2 of the 3.