I popped round my new local route which is all uphill at the start and then downhill from about mid-way. It's pretty much all across fields, including one which is still knee-high grass (which caused great red weals where it brushed my legs - I must be more sensitive to grass than I thought), and one in which there are always a few hens free-ranging about. I felt really slow and ploddy, with tired (soon to be fetchingly blotchy) legs. Apart from that, it was great, with gorgeous warm sunshine, tractors buzzing about cutting the grass and swallows flitting about after the insects the grass cutting disturbs.
For the digitally inclined, here are the figures: Duration 27min 10s, 2.39 miles, 185 ft of ascent. Average pace 10:47 min miles. Average HR 141, max 162. Not inspiring from an athletic point of view, but most satisfying from an emotional one.