Saucony Endorphin Azura Marathon Test: Is Saucony's non-plated daily a good marathon shoe?

Saucony's new non-plated daily trainer isn't built for chasing marathon PBs but what if you're just looking for a running shoe to help you round with a good dose of reliable comfort? How does the lastest shoe to join the Endorphin line-up perform when you're 20 miles deep on ragged legs? Run Tester Kieran takes them for a solo marathon along the river Thames to find out. Hit play for the Saucony Endorphin Azura marat...