The only thing I can find is my comparison between the two C/D races on Betfair Hurdle day, the other one being the novices' hurdle:
<tbody>
[TD="align: center"]Sect[/TD]
[TD="align: center"]Nov (s)[/TD]
[TD="align: center"]Bfair (s)[/TD]
[TD="align: center"]Diff (s)[/TD]
[TD="align: center"]Dist (L)[/TD]
[TD="align: center"]Cum[/TD]
[TD="align: center"]H1-H2[/TD]
[TD="align: center"]61[/TD]
[TD="align: center"]55[/TD]
[TD="align: center"]6[/TD]
[TD="align: center"]30[/TD]
[TD="align: center"][/TD]
[TD="align: center"]H2-H3[/TD]
[TD="align: center"]13[/TD]
[TD="align: center"]13[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]30[/TD]
[TD="align: center"]H3-H4[/TD]
[TD="align: center"]18[/TD]
[TD="align: center"]17[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]5[/TD]
[TD="align: center"]35[/TD]
[TD="align: center"]H4-H5[/TD]
[TD="align: center"]21[/TD]
[TD="align: center"]20[/TD]
[TD="align: center"]1[/TD]
[TD="align: center"]5[/TD]
[TD="align: center"]40[/TD]
[TD="align: center"]H5-H6[/TD]
[TD="align: center"]59[/TD]
[TD="align: center"]57[/TD]
[TD="align: center"]2[/TD]
[TD="align: center"]10[/TD]
[TD="align: center"]50[/TD]
[TD="align: center"]H6-H7[/TD]
[TD="align: center"]20[/TD]
[TD="align: center"]21[/TD]
[TD="align: center"]-1[/TD]
[TD="align: center"]-5[/TD]
[TD="align: center"]45[/TD]
[TD="align: center"]H7-H8[/TD]
[TD="align: center"]13[/TD]
[TD="align: center"]13[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]0[/TD]
[TD="align: center"]45[/TD]
[TD="align: center"]H8-WP[/TD]
[TD="align: center"]21[/TD]
[TD="align: center"]24[/TD]
[TD="align: center"]-3[/TD]
[TD="align: center"]-15[/TD]
[TD="align: center"]30[/TD]
</tbody>
In this case the novices were three seconds faster than the big handicap from the last.
Pic D'Orhy (11-5) went up to 151 for winning.
Earlier in the afternoon, Chantry House went up to 140 but ran three seconds (about 15 lengths) faster from the last. But he was ultimately comfortably beaten by Shishkin and Aba last week.