There is no one definitive answer to this question, as it depends on the specific lost Fastrack reflex band situation. However, some tips on how to find a lost Fastrack reflex band include:1.Search for any sign of the band being used or misplaced, such as a shredded piece of paper or a misplaced key.2.Check social media platforms and other online resources for any updates or sightings of the band.3.Check with the Fastrack reflex band manufacturing company for any updates on the whereabouts of the band.