Fixture/Layout recommendation for Racetrack

[kart45]

Hello all - 
Looking for insight on possibly using a Hyperlite fixture to light up our dirt track in Idaho. 
The race track is 300' long end to end and appx 180' wide. 
12 total poles spread around the perimeter with 5 Lithonia TV 1000w MH fixtures on each pole at 20-24' mounting height. 
The fixtures have been placed but not wired up yet, and we are contemplating retrofitting the MH fixtures to a corn-cob style led lamp or if it would make financial sense to just replace the fixtures completely. 

I ran a preliminary layout in Visual using a generic Lithonia TFL at 10,000 lumens to attempt to simulate the TV type fixtures with retrofit LED lamps. 

I have .dwg, .pdf and other files available but the forum isn't allowing those to be uploaded...? 

Interested to see your recommendations. 

Thanks!

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  ssb track.zip (Size: 388.48 KB / Downloads: 4)

[Hyperlite]

For outdoor lighting you can check out this video (minute 19:30): https://www.youtube.com/watch?v=Cuam5xMnu24
He used a 2-pack LED flood light 150W for outdoor lighting. If you need brighter lighting, we suggest you can go with 240W.
MARS series: https://hi-hyperlite.com/products/led-fl...1465018542