Oct 29 2023: David O'Brien places 9th at the Tracklocross Open Elite Race at the Surf City All Hallow's Cross CX2

Oct 29 2023: David O'Brien places 11th at the Master Men B 55+ Race at the Surf City All Hallow's Cross CX2

Oct 28 2023: David O'Brien places 6th at the Master Men B 55+ Race at the Surf City All Hallow's Cross CX1

Oct 28 2023: David O'Brien places 7th at the Tracklocross Open Elite Race at the Surf City All Hallow's Cross CX1