Motor racing has lots of fans around the world. If you are passionate about it, you could always start your own site to deliver your own unique insight. Motor Racing League for WordPress is a handy plugin that lets you manage sports races and championships on your site. It supports F1, NASCAR, Moto GP, and other similar races.
Thanks to this plugin, you can add races and drivers/riders to your site and allow people to make predictions. A sidebar widget is available to display who is making the best predictions. Motor Racing League comes with a simple entry form for predictions. It also has convenient features such as prediction reminders, custom point calculations, countdown timers, and stats.
This plugin is available as a free download. You can find out more about it here.