what's your goal?

You know......I think I got just the baby for you.

How about the 20 rep squats? 20 rep squats + dips + pull-ups. Then you rest one whole week and do it again. The training protocol for 20 rep squats were after all designed for this. Once a week squatting only. Then have ample time to recover.

Also how bout the push-ups and the bodyweight squats in your free time? Can go really high reps with those and still sweat it out and increase ligament and tendon strength.

Glad I could help.

I'd beg to differ.
Lifting weights increases testosterone, increases muscle synthesis, increases metabolism for elevated periods of time, increases HGH levels temporarily and also gives the heart a good workout. Almost all of which, swimming and hill cycling does not offer.

So why would you say lifting weights on weekends is pointless? Many people have grown stronger with an intense weekend workout, but not with an intense swim. Swimming is only not very much anaerobic.