So far there have been no deliberate attempts to break the Squirrel duration record. Here are some chance flights that happened to be on film.
1) Gary Hinze, California, 1m 18s
2) Donald Qualls of High Point, NC, 1m 14s
3) Unknown child, Britannia Beach area, Ottawa, ON, 52s
4) Dinkar, India, 29 or 30s