Century A Month Challenge
About this race
Complete a Century each month of the calendar year, beginning in January!
Outdoors on a standard bike OR a pedal assist E-bike, or indoors using any smart trainer app.
Challenge details here: https://planetultra.com/centuryamonth/
Pick your distance
Running
Outside
Event rules and information here: https://planetultra.com/centuryamonth/
Outside E-Bike
Event rules and information here: https://planetultra.com/centuryamonth/
Indoors
Event rules and information here: https://planetultra.com/centuryamonth/
Combo
Event rules and information here: https://planetultra.com/centuryamonth/
Typical race-day weather
Based on 13 years of Open-Meteo archive data for this event's race dates in Saint George, plus the 3 days either side.
The sun rises at 7:47 AM and sets at 5:28 PM local time (MST) in Saint George on January 1, 2026 — 9h 40m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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Results — Century A Month Challenge
🏃 Plan Your Next Race in Saint George
Find upcoming events by distance:
- Saint George 5K Races 4 races
- 10K Run Events in Saint George 3 races
- Saint George Half Marathons 4 races
- Saint George Running Calendar 2026 10 races
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 13 Saint George events
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