Warning: session_start() [function.session-start]: open(/home/content/21/4028721/tmp/sess_8va8juhk5gonc837088foe6476, O_RDWR) failed: No such file or directory (2) in /home/content/21/4028721/html/wp-content/plugins/espresso-multiple/espresso-multi-registration.php on line 72

Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /home/content/21/4028721/html/wp-content/plugins/espresso-multiple/espresso-multi-registration.php:72) in /home/content/21/4028721/html/wp-content/plugins/espresso-multiple/espresso-multi-registration.php on line 72

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/content/21/4028721/html/wp-content/plugins/espresso-multiple/espresso-multi-registration.php:72) in /home/content/21/4028721/html/wp-content/plugins/espresso-multiple/espresso-multi-registration.php on line 72
Who We Are | Scenic Running

Mammoth Marathons is a group consisting of two Race Directors and multiple volunteers. Mammoth Marathons goals are to provide races that the whole family can participate in, and host running events that are unique and in new and undiscovered running venues.

Our Little Grand Canyon Marathon is featured in a new book titled The Runner’s Bucket List: ¬†200 Races to Run Before You Die. ¬†Click this link for more details.

Large_9781600788383


Warning: Unknown: open(/home/content/21/4028721/tmp/sess_8va8juhk5gonc837088foe6476, O_RDWR) failed: No such file or directory (2) in Unknown on line 0

Warning: Unknown: Failed to write session data (files). Please verify that the current setting of session.save_path is correct () in Unknown on line 0