Software-as-a-Service (SaaS) services featuring bicycle simulations; Software-as-a-Service (SaaS) services for building and controlling a cycling resistance model for cycling smart trainers; Software-as-a-Service (SaaS) services featuring customization of cycling resistance models for cycling smart trainers; Software-as-a-Service (SaaS) services featuring dynamic cycling simulations to help cyclists train for race events by simulating race courses and conditions personal to the cyclist; Software-as-a-Service (SaaS) services featuring dynamic cycling simulations for cycling training based on weather, time of day, terrain, bicyclist parameters, and bicycle features; Software-as-a-Service (SaaS) services allowing participants to search for and enroll in cycling events; Software-as-a-Service (SaaS) services featuring payment processing services; Software-as-a-Service (SaaS) services allowing users to capture and input ride data in real time; Software-as-a-Service (SaaS) services featuring data input from cameras, GPS, ground sensors, and environmental sensors; Software-as-a-Service (SaaS) services featuring data input from third party data sources; software development services featuring developing cycling simulations