That's part of the reason I love running too. A minimum of fuss. It's funny that you mention rock climbing, because it's the same reason I love bouldering. You

That's part of the reason I love running too. A minimum of fuss. It's funny that you mention rock climbing, because it's the same reason I love bouldering. You only need shoes. Climbing has something for everyone - trad for the gear heads, bouldering for the people who can't be bothered with planning, sport for people somewhere in the middle.