In terms of how you feel on race day, what is stronger, your bike or your run. As for swimming is your pace already there or do you want more speed? Seriously consider what that means. To make a significant difference in race speed on the swim you need to work really hard. Is it worth it to you for 1 to 2 min or can you be happy with where your swim is right now and focus just on the ride and run? You can PM me on these questions if you want.