A minute a time is a sprint. I do 3 minute cycles: 60-75 sec sprint 105-120 second recovery.

However, judging by your more recent post, walking sounds like the sane option right now, which definitely opens up trails.

And... you do still live in Eastern MA, right? There's lots of bike paths all over. If you have the time for that sort of exercise, maybe try geocaching? If nothing else, it will alert you to neat little parks and trails you might not otherwise ever discover.