30:00 continuous as follows: 

15 mins @ 22 s/m

10 mins @ 24 s/m

5 mins @ 26 s/m

Pacing:

2K PB + 16-18 seconds to start at r22

Increase pace -2/-3 seconds from the previous pace at r24;

Further -3/-4 seconds at r26.

Drag: 125

Be patient early and let the rate do the work. We are building speed throughout the piece, so there is no need to smash the early 15:00 at r22.