The rush when you open the startgate.
The concentration you feel during the run.
The numbness in your fingers after a long, cold day.
The feel-good after you ski well.
The surge of power when you lift the weights one more time.
The hectic breaths you take after running intervals.
The vile rising in your throat after jumping up all those stairs.
The soreness in your muscles the day after a hard workout.
The mixed feeling of meeting up to training and thinking "This is where my real friends are".
The emptiness of missing a weekend skiing and having to stay at home without anyone to do anything with for a weekend.
The joy of a cross-country trip to relax.
The shock when he's not responding.
The horror of seeing a flat line on the heartrate monitor.
The dullness you feel at the R.I.P. posts on Facebook.
Having to grow up fatherless