The phrase "next checkpoint" means the next important stopping point or goal in a journey, project, or activity. It's like a point along the way where you need to pause, evaluate progress, and see what needs to be done next. Full definition
There were sections where you'll die 10 - 20 times just get to next checkpoint in a level. (gamingunion.net)
He called Tonya at the video store she managed in Fairbanks and said he needed a new sled within eight hours, when he would arrive at the next checkpoint, in McGrath, more than 200 miles from Fairbanks. (si.com)
When they reach the next checkpoint in McGrath, nine checkpoints from the start of the race in Anchorage, they will be 646 miles from the finish in Nome. (sbnation.com)