Three-Day, 520 km (323 mile) Individual Endurance Event



Registration for Ultra520K Canada 2016 will be open in September
after a review of the 2015 event. Please check back

Entry will be by invitation only. Selection will be held on February 1, 2015 until
the event is full – 35 solo entries. Additional slots up to a total of 40 may be considered.

The ULTRA520K Application Information Kit will contain all the information
necessary for you to apply for an invitation to participate in this unique event.

Please note: to receive notification of application you must join one of the social media groups Facebook or Twitter.


If you have additional questions about registration and acceptance after reviewing
the Application Information Kit, please email


Ultra520K Texas