A member of Mildura Motorcycle Club, Monson built and raced his own bikes and holds the record for the most Victorian sidecar championship wins.

[citation needed] Sidecar passengers during Warrens racing career include Scott Cameron, Marty Underwood, Deven Gates, Matt Morgan, and Andrew Summerhayes.

[citation needed] Monson competed at Speed Week 2023 with the Dry Lakes Racers Australia, where he received his 200mph cap on his Suzuki Hayabusa.

[citation needed] Off the track he was a race engineer and mechanic for Suzuki and then Yamaha, working on bikes for multiple Australian superbike champions.

[citation needed] Monson died on 23 April 2023 in a motorcycle crash at an event at Heathcote Park Raceway in Knowsley in central Victoria.