Jam Timer vs Om die Dam

RollTimer: The Professional Jam Timer for Roller Derby Officials Designed specifically for the jam-timer position, RollTimer eliminates the need for traditional stopwatches and provides precise timing control for all roller derby formats. Whether you're officiating WFTDA sanctioned bouts, RDCL tournaments, or OSDA games, RollTimer has the configuration you need. Key Features: Built-in Game Configurations WFTDA standard timing rules RDCL tournament settings OSDA game format Custom configurations for scrimmages and special events Professional Timing Control Precise jam timing with lead jammer call-off Period clock management Lineup time tracking Team and official timeout timers Automatic vibration warnings at configurable intervals Designed for Officials Large buttons for one-handed operation Clear, high-contrast display visible from across the track Haptic feedback for critical timing events Works completely offline - no internet required Game Management Track team scores and timeouts Monitor official reviews remaining Complete game history and statistics Export game data for league records Perfect for: NSO jam timers at sanctioned bouts Tournament directors managing multiple games League officials during practice scrimmages Coaches timing drills and scenarios Referees needing backup timing Why Choose RollTimer: Unlike generic stopwatch apps, RollTimer understands roller derby. Every feature is built around the specific needs of derby timing, from the 30-second lineup to the 2-minute jam clock. The large, accessible interface ensures you can focus on the game, not fumbling with tiny buttons. Trusted by officials across leagues worldwide, RollTimer brings professional-grade timing to your mobile device. Download now and experience the difference purpose-built software makes. Offline Operation: RollTimer works completely offline with no network requirements, perfect for venues with poor connectivity. All game data is stored locally on your device for maximum reliability.

Welcome to the official mobile companion for the Om Die Dam Marathon in Hartbeespoort, South Africa – the biggest inland ultra-marathon event in the country. With the app you’ll unlock everything you need for an unforgettable race weekend: the 50 km ultra, 21 km half-marathon and 8 km fun run. Key Features * Full race programme – schedule, start times, cut-off times for each distance. * Entry & registration management – check your entry status and QR Code. * Race day information – venue layout, traffic & parking updates, what to bring etc * Charity & sponsor integration – learn about local causes, official partners, and how to support. * Notifications – real-time alerts for weather updates, start-line changes, cut-off reminders. Whether you’re chasing a personal best in the 50 km, tackling the 21 km half for the first time, or enjoying the 8 km fun run with your family, this app ensures you’ve got every detail at your fingertips. Get ready for race weekend Need help? Visit our official website for the latest news & FAQs, or tap “Contact Us” in the app for contact details. Race with confidence, capture the moment and make the most of your Om Die Dam experience. See you at the start line!