Congratulations on finishing a marathon this winter/early spring! If you are also running the full Colfax Marathon this makes you eligible for our Colfax Marathon Challenge - the Colfax Double. You've earned a great adidas Colfax gift if you complete the below information to prove eligibility. Please note - if we aren't able to confirm your results using the URL you provided, we will let you know. Otherwise assume you are set - and we're looking forward to you completing your second marathon at Colfax.
