![Group 1 Glen' says goodbye: Glen Boss to retire after riding Spanish Mission on Saturday - Horse Racing Planet Group 1 Glen' says goodbye: Glen Boss to retire after riding Spanish Mission on Saturday - Horse Racing Planet](https://i0.wp.com/horseracingplanet.com/wp-content/uploads/2020/10/Sir-Dragonet-780.jpg?fit=780%2C490&ssl=1)
Group 1 Glen' says goodbye: Glen Boss to retire after riding Spanish Mission on Saturday - Horse Racing Planet
Spring racing carnival: Glen Boss changes his lifestyle in pursuit of more Group 1 glory | Daily Telegraph
![Glen Boss took out the AJC Oaks today aboard Serenade Rose (file photo). - ABC News (Australian Broadcasting Corporation) Glen Boss took out the AJC Oaks today aboard Serenade Rose (file photo). - ABC News (Australian Broadcasting Corporation)](https://www.abc.net.au/news/image/1734920-3x2-940x627.jpg)
Glen Boss took out the AJC Oaks today aboard Serenade Rose (file photo). - ABC News (Australian Broadcasting Corporation)
![GLEN BOSS on Twitter: "If you are a horse racing person please join the challenge of posting a racing photo. Just one picture, no description. Please copy the text in your status, GLEN BOSS on Twitter: "If you are a horse racing person please join the challenge of posting a racing photo. Just one picture, no description. Please copy the text in your status,](https://pbs.twimg.com/media/EUTxqIzUwAA52d0.jpg)
GLEN BOSS on Twitter: "If you are a horse racing person please join the challenge of posting a racing photo. Just one picture, no description. Please copy the text in your status,
![One last dance! Glen Boss coming out of retirement for Saudi Cup jockeys' challenge - Horse Racing Planet One last dance! Glen Boss coming out of retirement for Saudi Cup jockeys' challenge - Horse Racing Planet](https://horseracingplanet.com/wp-content/uploads/2021/11/Glen-Boss-1112.jpg)