By registering, you agree to the terms and conditions of the Xact Alerts - Realtime progress program. Msg&Data Rates May Apply. Text STOP to 59769 to cancel messaging. Text HELP to 59769 for further help information. You should expect between 1 - 10 messages on race day (depending on the number of splits). Supported carriers include: AT&T, Alltel AWCC, Boost, Cincinnati Bell, Cricket, MetroPCS, Sprint, T-Mobile, U.S. Cellular, Verizon Wireless, Virgin Mobile. For more help, email