What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) Landed long and ran off the end of the runway into a bog/river. Damage to propeller and cowl panel. Damage minor. (-23 amendment) owner was participating in a 5 day seminar to hone back country flying skills. Seminar provided by privacy data omitted (canyon mountain seminars). Owner and advisor departed sulfur creek ranch and made several stops before attempting a landing at foot ranch. From there they were going to end the day at mccall, ID. The grass at Root Ranch landing strip was tall and during landing roll they did not notice the runway end markers until they were there. Serious application of brakes did not stop them in time. They overran the runway and dropped into a ravine/bog resulting in minor damage to the aircraft.
As the FAA filed it
(-23) LANDED LONG AND RAN OFF THE END OF THE RUNWAY INTO A BOG/RIVER. DAMAGE TO PROPELLER AND COWL PANEL. DAMAGE MINOR. (-23 AMENDMENT) OWNER WAS PARTICIPATING IN A 5 DAY SEMINAR TO HONE BACK COUNTRY FLYING SKILLS. SEMINAR PROVIDED BY ^PRIVACY DATA OM^ (CANYON MOUNTAIN SEMINARS). OWNER AND ADVISOR DEPARTED SULFUR CREEK RANCH AND MADE SEVERAL STOPS BEFORE ATTEMPTING A LANDING AT FOOT RANCH. FROM THERE THEY WERE GOING TO END THE DAY AT MCCALL, ID. THE GRASS AT ROOT RANCH LANDING STRIP WAS TALL AND DURING LANDING ROLL THEY DID NOT NOTICE THE RUNWAY END MARKERS UNTIL THEY WERE THERE. SERIOUS APPLICATION OF BRAKES DID NOT STOP THEM IN TIME. THEY OVERRAN THE RUNWAY AND DROPPED INTO A RAVINE/BOG RESULTING IN MINOR DAMAGE TO THE AIRCRAFT.