And they're off.....

Across

An expression of approval and commendation (5)
Winner of Kentucky Derby (9)
Breathing hole in nose (7)
10 Liquid diluting paint (7)
11 A small four-stringed guitar (Hawaiian) (3)
12 Triple _____ (5)
13 Distinctive period of history (3)
15 Young domestic cat (5)
16 Third race of the Triple Crown (7)
21 The father of your father or mother (7)
22 See 1 Down
25 Voracious snakelike marine or freshwater fish (3)
27 Winner of Preakness, ______ Given (5)
28 An actor, who performs in an exaggerated showy style (3)
30 The remote bush country of Australia (7)
31 Take advantage of somebody (7)
32 An annual race for three-year-old horses; held at Pimlico (9)
33 Suspicious (5)

Down

1/22 An annual race for three-year-old horses; held at Churchill Downs (8,5)
Somebody who disagrees (9)
Male parent of a horse (4)
Intent to harm others (6)
Colorless odorless gas (8)
Period of rule (5)
Joint that fastens door to frame (5)
A narrow and shallow river (6)
14 A song of praise (4)
17 Constructed (4)
18 The northernmost point of the Earth's axis (5,4)
19 Rain gently (8)
20 Balanced proportions (8)
23 Make up for a loss (6)
24 Horses, especially lively spirited ones (6)
26 Gracefully slender; moving and bending with ease (5)
27 A ludicrous or grotesque act done for fun and amusement (5)
29 Opaque gem (4)