A quartet of prompt arrivers, conveniently representing all four parts, made a start with 'O come, all ye faithful', sung from memory. It seemed to work, as more faithful singers turned out - and the Parkrun crowd certainly appreciated it.
Then as the rain tipped down, and the runners in their mud-spattered Santa costumes jogged, slithered and sloshed their way past us, smiling and waving, we ran through the customary repertoire. Generous donors added to what had almost literally become a float in our collecting box.
One of those statements is slightly exaggerated. But only slightly.
Fun it was. Sensible it possibly wasn't. But it's good to sing out the news of Christmas joy even when the weather is against us.