Quite new to swimming, but have been swimming with my local Tri club for a couple of months even got up at 5:00am this week to go before work for a session . 1 hour session of dills, races ect none stop front crawl and although I get out of breath and my arms and shoulders ache, I get out the pool and can happily run for 3 hours on the hill or 40 mile+ bike ride, it does not knock it out of you like a 1 hour hard run would IMO.

My view from my limited experience so far is it will not get you fit for running; it is good for a recovery session on a light day instead of a recovery run. I will keep it up as I am getting better at it and am starting to quite enjoy it but I am convinced at the minute that to build good fitness it is simply not intense enough if you are looking to be in anyway competitive in a fell race.

ATB

Tahr