I thought if they hadn’t made a single start by the end of their 5 yo year, they weren’t allowed to race. Guess not…
http://www.bloodhorse.com/horse-racing/articles/213537/7-year-old-gelding-wins-first-start-at-ellis
Dude’s got a pretty decent pedigree on him, though: https://www.equineline.com/Free-5X-Pedigree.cfm/Ain’t%20in%20No%20Hurry?page_state=DISPLAY_REPORT&reference_number=8582551®istry=T&horse_name=Ain’t%20in%20No%20Hurry&dam_name=Montera&foaling_year=2009&include_sire_line=Y