2025 - Half-Marathon Training for Fun & Fitness
2025 distances
Running
Half-Marathon Training to Run for Fun and Fitness!
Each Sunday, STBRC will host a group run to complete the long run miles. The group will run on various trails in Nevada County, including sections of the Champion Mine Trail Race. Distances for the long run will vary from 4 miles to 11 miles. To begin the training, participants should feel comfortable running a 5K distance.
Race-day weather
Conditions on July 20, 2025 — historical Open-Meteo data.
The sun rises at 5:54 AM and sets at 8:26 PM local time (PDT) in Grass Valley on July 20, 2025 — 14h 31m 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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Other races near Grass Valley
Different organizers, within 40 miles, in the next three months
Resolve2Run
Nevada County Turkey Trot
Spell Your City
Bowman Run with the Bulls presented by Hotel Vista Sierra
🏃 Plan Your Next Race in Grass Valley
Find upcoming events by distance:
- Grass Valley 5K Races 2 races
- 10K Run Events in Grass Valley 2 races
- Grass Valley Running Calendar 2026 3 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, 3 Grass Valley events
Spotted something wrong? Tell us and we'll fix it.