DNF stands for Did Not Finish, the result recorded when a runner starts a race but doesn't cross the finish line. It can happen due to injury, illness, missing a cutoff, or simply calling it a day. It shows up in official results instead of a finish time.
It stands for Did Not Finish, meaning a runner started the race but didn't complete the full distance. It's marked in the official results in place of a finish time.
Common reasons include injury, cramping, dehydration, gastrointestinal issues, or missing an intermediate cutoff and getting pulled by the sweep vehicle. Weather and poor pacing are frequent contributors too.
No, most events and running streak trackers only count an official finish, not a DNF. Some races do offer a partial-distance certificate if you covered a meaningful portion.
DNF means you started but didn't finish. DNS means Did Not Start, you registered but never began the race at all.
Yes, most timing systems record your splits up to the last checkpoint you passed. That data can help you figure out where things went wrong for next time.