okay so im a highjumper and im wanting to set up a pit at my house! i have the mats already the bar and uprights but i need the runway! what can i do? i want to just make like a strip where i run it doesnt have to be a complete big circle just a j curve! what can i use for the material so i can use my spikes! is there like a rubber coating thats liquid that i can buy i just put over asphalt or concrete or what? any info helps thanks