I would love to have some company at the Second Annual Anvil Triathlon at Hagg Lake this summer. I’m sure the Run Oregon readers have the running down, why not add a little swim and ride into the challenge as well? I’m doing the Single Anvil, but for the true endurance junkies, there’s also a Double Anvil. The Single Anvil is a long course distance triathlon with a 2.4 mile swim, 112 mile bike ride…