Uploaded May 2026 | Updated September 2026, 4 hours ago
🏃♀️🚆 Running the Colfax Marathon this weekend? RTD has your route covered.
Temporary detours and delays will be in place Sunday, May 17, from 5:30 a.m. until approximately noon due to the 20th annual Colfax Marathon.
Here’s what to know before you go 👇
🚊 D and H lines will bypass downtown loop stations and reroute through Auraria West, Empower Field at Mile High, Ball Arena–Elitch Gardens, and Union Station
🚫 L Line will not operate during the event
🚌 Use Route 43 as an alternative
⏱️ Expect delays on D, E, H, and W lines, plus multiple bus routes across the Colfax corridor
🎽 Race bib = fare!
On Sunday, May 17 from 6 a.m. to 2 p.m., Colfax Marathon race bibs are valid fare on:
- W Line
- Routes 15, 15L, and 16
Plan extra travel time, check schedules before you ride, and tag us when you #taketransit to the race to be featured on our socials!
More race info: runcolfax.org
🏃♀️🚆 Running the Colfax Marathon this weekend? RTD has your route covered.
Temporary detours and delays will be in place Sunday, May 17, from 5:30 a.m. until approximately noon due to the 20th annual Colfax Marathon.
Here’s what to know before you go 👇
🚊 D and H lines will bypass downtown loop stations and reroute through Auraria West, Empower Field at Mile High, Ball Arena–Elitch Gardens, and Union Station
🚫 L Line will not operate during the event
🚌 Use Route 43 as an alternative
⏱️ Expect delays on D, E, H, and W lines, plus multiple bus routes across the Colfax corridor
🎽 Race bib = fare!
On Sunday, May 17 from 6 a.m. to 2 p.m., Colfax Marathon race bibs are valid fare on:
- W Line
- Routes 15, 15L, and 16
Plan extra travel time, check schedules before you ride, and tag us when you #taketransit to the race to be featured on our socials!
More race info: runcolfax.org
