RnR - I would do something similar to what Blue outlined.
Maybe look at one brick during the week over your next 2 hard weeks. I typically try to run at least 20 min on a brick. That's about how long it takes me to get my running legs under me. Some people run much farther. I've never found that necessary. But that's a little personal preference. I would start by adding your brick to your next long run.
Then in your next cycle I'd do 2 bricks, one off a harder ride and one off your long ride. Again I'd keep the distances to what you know you need to do to get yor running legs under you.
I will sometimes do an extra short effort brick evening where I ride for 10 min hard, do a transition as fast as possible and then run hard for 5 min and rest for 5 min and repeat 3 or 4 times. I do this leading into a shorter race where transition times play a big role. I like to do this workout early in the week before a race as part of my taper.
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