QR code scanning, name lookup, and a live attendance count — all in a phone-based app that works offline when cell service drops in the mountains.
Confirmation email and rider dashboard both carry a unique QR code. Riders can save to wallet too.
Any phone, any volunteer. Green checkmark = welcome in. Yellow flag = needs attention.
How many checked in, how many still expected, expected ETA based on registration data.
End-of-event report on no-shows, late arrivals, and total throughput per gate.