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2026 Center of the Nation Series - Day 1 (WY)

Name: 2026 Center of the Nation Series - Day 1 (WY)
Start: 2026-09-28
End: 2026-09-29
Location: Cheyenne

Cheyenne, Wyoming, United States

calendar_today 28 Sep, 2026 – 29 Sep, 2026

directions_run Running

language Official Website

sell $65.00 – $175.00

About the Event

World's Best Marathon & Half Series!

No Time Limits

Great Food

Award-Winning Medals

Loony Community!

We RUN this country, TOGETHER!

Here's a link to the 2026 Center of the Nation Series page, which has additional information on each of the locations and the series as a whole.

If you're interested in any Mainly gear, check out our Merch!

Peace, love, and cheers to you all!

-Mainly Family

Races Offered

10K - Individual Age group/open

Sep 28, 2026

straighten

Distance — 10K

terrain

Type — Running

timer

24 days remaining

sell

$75.00

50K - Individual Age group/open

Sep 28, 2026

straighten

Distance — 50K

terrain

Type — Running

timer

24 days remaining

sell

$175.00

5K - Individual Age group/open

Sep 28, 2026

straighten

Distance — 5K

terrain

Type — Running

timer

24 days remaining

sell

$65.00

Half Marathon - Individual Age group/open

Sep 28, 2026

straighten

Distance — 21.1K

terrain

Type — Running

timer

24 days remaining

sell

$145.00

Marathon - Individual Age group/open

Sep 28, 2026

straighten

Distance — 42.2K

terrain

Type — Running

timer

24 days remaining

sell

$165.00

Weather History

These values represent the 3-year monthly averages for September in Cheyenne.

thermostat Temperature

10.8° / 24.3°

wb_sunny Feels like

6.8° / 19.8°

light_mode Avg sunshine hours

11h 11m

water_drop Avg rainfall

0.7 mm

ac_unit Avg snowfall

—

air Avg wind speed

13.7 km/h (Gentle breeze)

opacity Sweat loss rate

Moderate

terrain Course conditions

Firm and slightly soft

sunny Max UV Index

Moderate (5.0)

humidity_mid Humidity

41.8%

wb_twilight Sunrise

06:40

nightlight Sunset

19:06

About Cheyenne

Learn more about the host city, Cheyenne.

Cheyenne is the capital and most populous city of the U.States. state of Wyoming. Its population was 65,132 at the 2020 census, while the Cheyenne metropolitan area encompassing all of Laramie County had an estimated 102,000 residents. Cheyenne is situated on Crow Creek and Dry Creek. It is the county seat of Laramie County.