Distance: 46 miles and 2600 feet of elevation gain (barometric)
Today the long and the medium routes are the same for the first 29 miles. Together they first travel over to Diamond Bar and then down to the University. After a loop around the campus they continue together over a few hills (Grand and Covina Hills to name two – the spikes at 17 miles & 23 miles on the profile) and over to Puddingstone Reservoir for a break. A few miles after passing the county fairgrounds, the two routes finally split. While the long does a loop to the east, this medium heads directly back through Diamond Bar, stopping for lunch along the way. It continues along Diamond Bar Blvd to where it becomes Brea Canyon Cutoff. Here it rejoins the long for a final climb and then it is a few more downhill miles back to the start. On the map, the red is the common route with the long (both at the start and at the end) and the blue is where this medium short-cuts the long route. You can see by the profile that this is a fairly hilly route, but it cuts out a couple of significant hills ridden by the long riders (replacing them with easier climbs on Mission and Diamond Bar Blvd).
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