(Image credit: Dan Bracaglia/Tom's Guide) I just participated in my very first official running event: a 5K in Durham, North Carolina. Despite some pre-race jitters , I managed to complete the event in 31 minutes and 11 seconds, a much faster time than I was anticipating! While my running bib for the event tracked my progress and pace throughout the race, I also wore a Garmin Forerunner 570 on one wrist and an Apple Watch Ultra 3 on the other for additional insights into my performance. Article continues below 1. My official finish time was faster than Apple's and Garmin’s (Image credit: Dan Bracaglia/Tom's Guide) The chip in a race bib begins tracking the second you cross the starting line and concludes the moment you pass the finish, for an ultra-precise time calculation, and one that ultimately proved to be quicker than what Apple or Garmin calculated.…