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All-Out Spring Fever

March 23, 2025
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We're looking forward to welcoming spring with you!

Kick off your spring at Spring Fever on March 23 in Golden, CO! Here's all the details that you need for a safe and fun event, please read them all the way through as there are some very important notes about the course and venue!

Be prepared

  • The forecast next week looks temperate with occasional light snow that should melt during the day. However, given that this event takes place during Colorado's snow season, please stay closely updated this week
  • We will hold the event, snow or shine, unless roads are closed due to weather
  • We recommend monitoring the weather yourself, our favorite sources are National Weather Service and Weather Underground
  • Trail conditions will be posted on our social media Saturday afternoon, after we mark the course
  • If the weather doesn't align with your training goals or preferred running conditions, you can transfer to a virtual event. However, this transfer must be completed by the website's deadline to avoid extra shipping fees
  • Please make sure you have reviewed the updated course map and aid station details (revised as of February 15) as construction required changes to the course route (a neighborhood detour) and aid station spacing (3-mile gap between aid 1 and 5 up and over the Blunn Reservoir)
  • Note that there are no restrictions on the use of hydration vests or other equipment you would like to use on the course

Packet pickup

  • Early packet pickup is Saturday, 12:30-3:30p at Arvada Tri, 14715 W 64th Ave Unit D, Arvada, CO 80004 click here for directions
  • Packet pickup opens race morning at 8:00a and closes (no exceptions):
    • At 8:50a for half marathon
    • At 9:20a for 10K
    • At 9:30a for 5K
  • You do not need an ID to pick up your packet, or the packet of your friend/spouse/etc. Just give us names
  • We also have SWAG for you of an All-Out tote bag and spring-themed BibBoards at packet pickup. If you don't want to use BibBoards, we'll still have safety pins available!

Parking and directions

  • Directions: Jefferson County's NAAC Stadium, 19500 W 64th Pkwy, Golden, CO 80403, at the intersection of 64th Pkwy and CO-93. Enter the west NAAC entrance, nearest to CO-93. Click here for a map or to get directions
  • Parking: Athletes & spectators will park on the outside of the venue, leaving the lot just north of the venue for volunteers. Please obey all signs and staff directions (see the parking locations here)
  • The parking lot will be locked when the last athlete has finished (around 1p). Please do not leave your vehicle at the venue after your participation

Pre-race

  • We have access to the indoor restrooms just inside the stadium, just north of the venue. Please do not go further into the stadium or onto the fields
  • The venue and expo will open at 8:00a
  • If you'd like to participate in the informal Spring Fever costume contest, make sure to get your picture taken at the awards tent pre-race (winner(s) will be emailed after the event)
  • We have a gear check in the venue, next to meal. And we will collect items dropped on the course to return to the gear check (see more details below)
  • Our expo partners will be available for you pre-race and post-race

Race starts

  • Bibs must be on your outer-most layer, horizontal, and visible
  • Please line up in the corral based on your expected pace (those going for the course record in the front to walkers in the back)
  • We use chip timing, so even if someone never passes you on the course, they may have a faster time
  • Start times. You must start on time. if you are late, you will need to downgrade distance or will not be allowed to run on course with a bib as part of the event (this is for your safety on course)
    • Half: start at 9:00a and by 9:20a
    • 10K: start at 9:30a and by 9:35a
    • 5K: start at 9:40a and by 9:45a

Be safe on course

  • For half marathon, while running through the neighborhood detour, you'll cross three lightly trafficked streets. Please be cautious at these crossings and ensure any approaching vehicles are aware of your presence
  • There will not be any road closures, so make sure you stay on the sidewalk or bike lane when running along a main road (you may choose to run in the street near the shoulder when running the neighborhood detour)
  • Practice standard trail etiquette on this popular trail and be particularly mindful of cyclists when passing
  • Ensure your bib is always visible and on your front, this is for your on-course safety and also for identifying photographs of you on course
  • Make sure you are familiar with your course and aid stations. You can view and download the course from our course details page. We have water, Gu energy gels, Gatorade, and Superganix CBD Relief Balm at every aid station
  • 10K and half marathon: make sure to grab fluids and nutrition on your second pass of Aid 1, as you leave the Ralston Creek Trail dogleg. As a reminder, there is a 3-mile gap between this aid station and the next one
  • We have bright green course signs with blue arrows, course markings on the ground with bright green tape, and course volunteers at key locations to help guide you. Unless there's a sign telling you to turn, never turn
  • We have orange discs to block where you shouldn't go. Don't go through, around, over, or past any orange disc, or you will be off-course
  • You can drop items at any aid station, but only items dropped off at your first pass of your first aid station will be guaranteed to be returned to the gear check tent before you finish. If you drop items at any other aid station, the items may not be returned to gear check until the end of the event (est. 1p)
  • Dogs are welcome! Dog bowls are available at every aid station and the finish line, and dog treats are at the meal tent. Please keep dogs on short leashes while on the course

Post-race

  • Be sure to sign up for results notifications by clicking the registration link above or have a mobile device to look up your results with the QR codes posted in the venue or the one on your bib. The QR code on your bib will take you directly to your results, the QR codes posted in the venue will take you to the general results page
  • If you want to sign up for results notifications, click on "Confirm my registration" above
  • We offer FREE medal engraving for your medal keepsake!
  • After the race, please visit the meal tent for athlete-exclusive goodies, including fruit, warm breakfast burritos and cider, and chocolate milk
  • If you're a returning Spring Fever participant, be sure to pick up your brag tag at the registration tent after you finish
  • Please visit our many wonderful expo partners and get free samples and bodywork
  • Use the coupon code on your bib by 3/30 to receive $5 off any and all events on the All-Out calendar

Make some time for the Colorado Tap House athlete after-party

  • Colorado Tap House is hosting an athlete after-party for Spring Fever participants and is fun for adults and the whole family!
  • Show your bib on 3/23 and receive one free beverage when you buy one (of equal or lesser value)

Don't miss out on the All-Out Strava club

Award ceremony

  • 5K award ceremony: 10:15a
  • 10K award ceremony: 10:45a
  • Half award ceremony: 10:45a overall, 11:15 division

Online photos and results

  • Online results, searchable and sortable, will be available during the event
  • Online photos, with free downloads, will be posted by Wednesday, 7p

This race is brought to you by All-Out Multicourse Productions
alloutmultipro.com

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