Speaking, as I was, of N. Nipmuck, here's the application, courtesy of race honcho James Campiformio: The race is out-and-back, 16 miles, and does NOT cover the same section of trail as Nipmuck Marathon, he writes.

So far as I can tell, the first trail race anywhere in New England this spring will take place on Saturday, March 24. The good news is it's right here in Nashua. The bad news (for me) is that it's a wee little 5K.  

UPDATE 3/20 - worse news... it's cancelled!

We planned to hit every summit on the range, but by the time we topped Jefferson we realized that we were going slower than we’d expected.