Got a fever for a Spring run?

All-Out Spring Fever

Sunday, March 19, 2023 9a


Race Notes

The weather for Sunday looks great right now, as do the current trail conditions. 

Start times:

Packet pickup

  • Early packet pickup is Saturday, 12-3p at The Spot everyone who picks up a packet here gets a free guest pass
  • Packet pickup opens race morning at 8:15a and closes 10 minutes before your distance start (no exceptions)
  • NEW athlete after-party at Colorado Tap House 
  • We have in-building restrooms at the venue, inside the stadium, but the track and other stadium areas are off-limits
  • Special treat for our athletes: we have 3 providers in the expo that will give your body much-deserved therapy
  • Dogs are welcome! We have dog bowls at every aid station and treats at the meal tent
  • Don't forget the new costume contest with the theme of bees and spring! If you'd like to be considered, get your pic taken by the official photographer and the winner will be notified after the event
  • Online registration will be open until 10 minutes before a distance starts, but by credit card payment only (no cash accepted)

Packet Pickup

Early packet pickup is Saturday, 12-3p at The Spot. Everyone who picks up a packet here gets a free guest pass. Find out how climibng can benefit runners. You no longer need an ID to pick up your packet, or the packet of your friend/spouse/etc. Just give us names! It's best to change your distance or correct information above online before 3/18 @ 6p, but you can also change it at packet pickup.


  • Location: JeffCo NAAC Stadium, 19500 W 64th Pkwy, Golden, CO 80403 directions
  • Parking:Athletes & spectators will be required to enter via the west entrance and park anywhere except the areas closest to the start/finish area which are for event operations. Please follow all parking signs & staff direction on race day. Parking lot is locked at 1p, make sure you don't leave your vehicle at the venue!
  • View and download the course route and elevation profiles, aid stations and what to expect, and more from the course details page

From the base of Table Mountain and Colorado's spectacular foothills, All-Out Multicourse presents our 11th annual Spring Fever from Jefferson County's NAAC Stadium… easily accessible from several nearby highways. Spring Fever has us looking forward to spring, spring flowers and our friends the bees! Along with its Endless Series sidekick in October, Kooky-Spooky, these 5K, 10K & Half Marathon courses will hug the shores of Arvada's Blunn Reservoir via the Ralston Creek Trail and will challenge the beginner and veteran athlete alike! 

Special for Spring Fever: an after-party for athletes at Colorado Tap House, with coupon for a free beer on your bib!

Jefferson County's NAAC Stadium
19500 W 64th Pkwy, Golden, CO 80403

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