These are some links to the town of Wolfeboro and various running sites.

Wolfeboro resources:
Lodging
Wolfeboro
Wolfeboro's Visitor Guide

Links to other runs and adventure events
New England Trail Runner A site devoted to trail running in New England. It lists the "Grand Tree" series of trail runs; the Muddy Moose is one of these Grand Tree Runs. Unfortunately, this site has been slow to update for the last few years, so double check the race dates from the RD before planning to attend.
Cool Running A website devoted to running. This site will also have the results of the Muddy Moose Trail Races.
WorldAR This is a site for adventure races.
New Hampshire Runs A good site for any runs in New Hampshire.
Jack Mountain Bushcraft Tim, who lives along the Muddy Moose course, facilitates authentic outdoor experiences to help people reconnect with their ancestors and the Earth.