All-Out Spring Fever
All-Out Spring Fever is a running race on March 21, 2027 in Golden, CO, with entry fees from $35 to $65.
- Date
- March 21, 2027 (151 days to go)
- Location
- 19500 W 64th Pkwy, Golden, CO
- Price
- $35–$65
- Sport
- Running
From the Organizer
All-Out Multicourse is proud to host our 15th Annual Spring Fever, a rewarding event for both novice and experienced athletes set against the backdrop of Table Mountain and the stunning Colorado foothills. This spring celebration, featuring our mascot Buzzby, includes 5K, 10K, and half marathon courses that trace the scenic shores of Arvada's Blunn Reservoir via the Ralston Creek Trail. Conveniently accessible from nearby highways, Spring Fever is the endless series spring counterpart to Kooky-Spooky, and proudly benefits our NEW charity, People and Pollinators Action Network (we really love the bees). And don't miss that you can use Spring Fever to qualify for your BOLDERBoulder wave!
Events
Typical Conditions
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
55°
Typical Low
30°
Chance of Rain
19%
Based on US Climate Normals data from Lakewood, 6 mi from the venue.
About Golden, CO
City Elevation
7,216 ft
Nearest Airport
BJC
Rocky Mountain Metropolitan Airport · 15 mi
Major Hub
DEN
Denver International Airport · 31 mi
Time Zone
Mountain Time
From Endurance Grid
Line up lodging and travel early to lock in your race weekend.
Race Location
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at All-Out Spring Fever, put it on the calendar, and turn “someday” into a start date.
151
Days to train
- Race
- All-Out Spring Fever
- Date
- March 21, 2027
- Location
- 19500 W 64th Pkwy, Golden, CO
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About This Sport
Endurance Grid is here to help you understand the sport, decide if it’s the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
Running
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
More Running races near Golden, CO
Frequently Asked Questions
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All-Out Spring Fever
Mar 21, 2027