L.mapbox.accessToken = 'pk.eyJ1IjoibWFwdGFzdGlrIiwiYSI6IjNPMkREV1kifQ.2KGPFZD0QaGfvYzXYotTXQ';
var map = L.map('map').setView([38.046441, -84.497019], 16);

var base = L.tileLayer('http://{s}.basemaps.cartocdn.com/dark_all/{z}/{x}/{y}.png', {
	attribution: '&copy; <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a> &copy; <a href="http://cartodb.com/attributions">CartoDB</a>',
	subdomains: 'abcd',
	maxZoom: 19
}).addTo(map);

var runsLayer;

$.getJSON('runs.geojson', function(data) {
	runsLayer = L.mapbox.featureLayer(data);
	runsLayer.addTo(map);
	runsLayer.setStyle({
		color: '#f7ff00',
		opacity: 0.06,
		weight: 4
	});
});