Looks like the rear screws let loose and the handle levered
forward. Lots of recent threads of repairs needing the front
deck popped for repairs, pretty much what you got here. Drill
out the pop rivet heads on the trim with a 1/8 drill and you
will be on your way. Splitting the seams is a matter of taking
your time and a bunch of breaks for a cold beer. Only trouble
you might have is if you hit a tough spot and the split tries to travel off the
seam line. Ain't fiberglass great, you can do repairs with no
If you want to see what's involved in splitting a hull and what things look like under the bow handle, just check out my thread on Starting a sunfish project. I'm replacing the handle on my boat with a new one, after it arrives in a week. Fiberglass repair is pretty easy. You can get a kit at any hardware store.
Cut out a 6x9 hole around the bow handle, locate (or make) a 7x10 fiberglass plate. Bond (or bolt) a backing plate to the underside, bond the fiberglass plate inside, build up layers of fiberglass, fair, paint, then drill new holes, attach new handle. Go sailing?