The trick is to pack as light as possible for the event day yet carry all the necessary stuffs that you will require on the trail. Prepare in advance while training, so that you know exactly what you will require. Here are a few tips.

1) Nothing new: Whether its clothes, footwear or socks, do not try anything new on the event day. New clothes might chaff your skin and new footwear will give you blisters if not broken in.