calendar_today 09 Nov, 2026 – 10 Nov, 2026
directions_run Running
language Official Website
sell $55.00 – $140.00
World's Best Running Series!
No Time Limits
Great Food
Award-Winning Medals
Loony Running Family!
We RUN this country, TOGETHER!
Thanks for running with Mainly Marathons! Take a look at our website for additional details about this series and our other series of races.
Also, join our Facebook group to stay up-to-date with our loony adventures: Main Group and Southwest Series.
If you're interested in some Mainly Merch, check out our online store HERE. We'll offer some items (hats, stickers, magnets, mugs, etc.) in-person at the races, the Mainly Merch store best option for a variety of fun designs and quality merchandise to showcase your loonacy!
If you have any questions, email [email protected]
We RUN this country, TOGETHER!
Nov 09, 2026
Distance — 10K
Type — Running
06:00
$65.00
Nov 09, 2026
Distance — 50K
Type — Running
06:00
$140.00
Nov 09, 2026
Distance — 5K
Type — Running
06:00
$55.00
Nov 09, 2026
Distance — 21.1K
Type — Running
06:00
$115.00
Nov 09, 2026
Distance — 42.2K
Type — Running
06:00
$130.00
These values represent the 3-year monthly averages for November in Durango.
Learn more about the host city, Durango.
Durango is a town in the southwestern part of the Rocky Mountains state of Colorado.
Read more launchRead what other athletes have to say about their experience at the 2026 Southwest Series - Day 2 (CO).
Be the first to share your experience with the community!
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