Traffic alert: Oct-08 Boulder Marathon


Please be advised that the Boulder Marathon ( on Sunday Oct-08 will impact traffic in the Niwot area as the participants travel:

  • East on Lookout Road, then
  • North on 95th Street, then
  • West on Niwot Road, then
  • South on N. 79th Street, then
  • West on Lookout Road

Households near the marathon route received door hangers with approximate times to expect the runners to come through.

Updated: 3 October, 2023 — 11:32 am