I'm training for a half-marathon in December. The beginning of the training schedule overlapped with the end of triathlon season which was perfect but now my mileage is creeping up and I'm wanting to run in some local 5K and 10k races. How do I do my long run AND a 5K in the same weekend? Do I run the 5K on Saturday and then do 9 miles on Sunday or do I run the 5K and just do 6 miles the same day? I did a biathlon last Saturday and was too sore on Sunday to get my 6 mile run in. How do you seasoned runners do it?