Reaper,

In reply to your questions:

LEADER OR RACES ON PACE (H )?
In the Sportsman Chartfrom section, you will see a column labelled 'Speed'. 'L' = Leader, 'H' = Races on pace

SENIOR RIDER TO 1.5 KG APPRENTICE?
You'll find this in all form guides. Senior rider = non-apprentice. 1.5Kg Apprentice = an apprentice with a maximum claim of 1.5kg (this happens when an apprentice wins so many races and loses part of the maximum 3kg they started their apprenticeship with). The from guide will have the jockey's name and apprentice's claim in brackets. Look at Moonee Valley Race 4 Sat 3/5, Nicholas Hall 2kg (still has some of his claim but lost some due to good riding perfromances), S Murphy 0kg (has lost all of his claim coz he's won so many races), L McGill 3kg (still has complete claim)

Hope that helps
Cheers
Big Louie

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Here for a good time, not a long time!