I have been running 5k since last month and slowly building up my pace. The only problem that I face is that my lower part of the feet heats up during my run. I wear NIKE DUAL FUSION RUN 3 MSL PRM BLACK RUNNING SHOES and cotton ankle socks.
Before consulting a doctor, I felt I should share with the community :)
NB: FYI I can cover 5 km distance in 28-29 minutes at a constant pace.