Colorado · 5K · 10K
All-Out Spring Fever
All-Out Spring Fever is a 5K and 10K event held in Golden, Colorado. Its next confirmed date is Sunday, March 21, 2027.
- Race day
- March 21, 2027
- Location
- Golden, CO
Race details
- Date
- Sunday, March 21, 2027
- Location
- Golden, Colorado
- Distances
- 5K, 10K
- Registration
- runsignup.com
Registration, course & weather
- Registration status
- Registration status as last checked October 18, 2026: not announced
- Entry fee
- Listed fee for the longest distance, $75.20 (from runsignup.com, checked October 18, 2026)
- Start time
- 9:00 AM MDT
- Course profile — Half Marathon
- Loop course; Mostly road, some trail
- Course profile — 5K
- Out-and-back course; Mostly road, some trail
About the All-Out Spring Fever
All-Out Spring Fever in Golden, CO.
More 10Ks in Colorado
Coming up next, by confirmed date.
-
City Park Classic (5k/10k & 1 Mile Walk of Hope for Pancreatic Cancer Research)Denver, CO5K10K ~2,743 runners
More races in Golden
More upcoming races in Colorado
Keep exploring
- All races in Colorado
- 5Ks in Colorado 129 upcoming races
- 10Ks in Colorado 75 upcoming races
- Half Marathons in Colorado 55 upcoming races
- Marathons in Colorado 15 upcoming races
- 5Ks in the United States 6,417 upcoming races
- 10Ks in the United States 2,755 upcoming races
- March races in Colorado
- 10Ks in Oklahoma 43 upcoming races
- 10Ks in Utah 35 upcoming races
- 10Ks in Kansas 31 upcoming races
- 10Ks in Nebraska 28 upcoming races
Guides from the RaceRove blog
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 4 min read Diplo's Run Club 2026-27: Every City, Date and Course Diplo's Run Club is a 5K with a post-race concert. Every US date for 2026-27 (San Francisco, New York, Los Angeles, San Diego and Phoenix), start times and courses.
- Blog All guides Planning advice for finding, choosing and travelling to races.
All-Out Spring Fever: common questions
- When is the All-Out Spring Fever?
- The next confirmed date is Sunday, March 21, 2027.
- Where is the All-Out Spring Fever held?
- In Golden, Colorado.
- What distances does the All-Out Spring Fever offer?
- 5K and 10K.
- How do I register for the All-Out Spring Fever?
- Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the All-Out Spring Fever?
- Registration status as last checked October 18, 2026: not announced. Listed fee for the longest distance, $75.20 (from runsignup.com, checked October 18, 2026).
- What time does the All-Out Spring Fever start?
- 9:00 AM MDT.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.