Hit the wall...

Today is the last Sun run b4 SCM.. Dear planned a 16km route to Sentosa.. I was feeling very tired prior to the run.. I hit the wall when I was running into Sentosa.. my breathing was very heavy n my legs n arms doesn't seem to be able to move and started protesting against my mind... they just dun wanna move on.. even tho i tried to go very slowly, they just wanna stop.. met Colleen at the Gateway while I was heading back to club.. performance on 3rd.. alot of ???? on how i gonna run on the actual day... :(