Baton Rouge Beach offers a half and a full. If you are looking in to running this race, do the half. It is a double-loop full and very few people run it. You'll be alone for the second half of your race.
This race is fun, in that there is music and food after, but it is NOTHING like some of the other road races in the area. The half gets good participation, so it's a fun race to do, but I wouldn't be happy if this was THE race I was training for. I use this one as a good training run for the Louisiana Marathon, which is a month behind.
There is no expo for it and the tshirt is okay. The medal is mediocre as well. You'll run through some beautiful areas of Baton Rouge, though, which is good.
Overall, it's a good race, but it isn't one that I really really look forward to year after year. It is adequate.