Boulderthon - Boulder

Run a Marathon or Half in the Happiest City in the US

October 10, 2021

  • 1 Half Marathon Entry
  • 1 Half Marathon Entry

The Experience

Sunday, October 10
8am Start Time (both races)
About the Experience
  • One Half Marathon or Marathon Entry
  • Includes:
    • Limited Edition First Finisher T-Shirt
    • Limited Edition Rocky Mountain Finisher Medal
  • One Half Marathon VIP or Marathon VIP Entry
  • Includes: 
    • 1 Free Upslope Beer at Avanti F&B on the Pearl Street Mall
    • VIP Packet Pickup and Parking
    • Because-You’ve-Earned-It Recovery Massages
    • Unlimited Hydration & Coffee Bar
    • Organic Breakfast Presented by Whole Sol Blend Bar & Purely Elizabeth
    • Free medal engraving on Pearl Street Mall
    • No Line/No Wait Toilets at the Start
    • $10 Gift Card to Whole Sol Blend Bar on the Pearl Street Mall/at the Finish Line
    • All runners will receive a Boulderthon reusable goodie bag pre-packed with refueling food and water after they cross the finish line
  • The age limits are ages 9 and older for the Half Marathon and ages 13 and older for the Full Marathon. For your safety, anyone participating in the event must be a registered runner
  • The Boulderthon is open to all participants of age who are able to finish the marathon in 6 hours, and the half marathon in 3 hours
What We Love
  • First ever Boulder Marathon & Half Marathon with a Downtown finish
  • Set at the foothills of the Rockies
  • Marathons bring people together, and are some of the most fun, memorable & inspiring days of the year in cities, for runners and spectators alike

Run Boulder's inaugural Downtown Marathon and Half Marathon in the happiest, fittest city in America! Start at the beautiful Boulder Reservoir, and finish downtown on Pearl St, with sweeping views of the Flatirons throughout. After years in the making, Boulder finally has a signature marathon series of its own. And you can be a part of the fun this October 10th. Get your entry today!

Need to Know

Useful Info
  • Your race bag must be picked-up on Saturday, October 9, 2021 from 9am-6pm at the Race Expo in Boulder
  • As a registered participant you will receive a final race confirmation sent via email a few days prior to race day. Please bring a copy of this confirmation and a photo ID to the Race Expo to receive your race bag
  • Race Shirt sizes are not guaranteed; please arrive early for best selection
  • The Boulderthon is open to all participants of age who are able to finish the marathon in 6 hours, and the half marathon in 3 hours. Participants wishing to complete their event within that timeframe will need to maintain a 13:43 minute/mile or faster pace. There will be no early start for runners
  • If you plan on participating at a 13:44 minute pace per mile or slower, please be aware that our permit dictates that the streets that comprise the marathon route are reopened to vehicular traffic at 1:30pm. On-course support (aid stations) will close at this time
  • Participants still out on the race course after 2:30pm will be asked to move to the sidewalks or re-route. SAG wagons will patrol the route providing support to these participants
  • Walkers are allowed but must adhere to the time limit rules
  • There are no restrictions on the use of headphones, phones, or iPods. We strongly discourage the use for safety reasons. If you make a decision to wear a music-playing device during the race, please keep it at a low level so you can hear special instructions from course officials or emergency vehicles
  • For safety reasons pets are not allowed on the course at any time
  • No baby joggers or strollers allowed on the courses
  • Gear Check is available Sunday October 10, 2021, only. Please do not bring gear to our Packet Pickup on Saturday
  • No vehicles will be allowed to access the Start area at the Boulder Reservoir. All participants will be shuttled from Downtown Boulder
  • The marathon course has 10 water stations, staggered approximately approximately every 3 miles. Energy gels will be available at Mile 20. Toilets will be available at the start, finish, and locations throughout the course
  • Those 21 years and older are invited to enjoy a beer; you must have an ID and your bib, no exceptions. Beer is also available for purchase. All are welcome to enjoy the Post-Race Party
Ages 9 and older for the Half Marathon
Ages 13 and older for the Full Marathon
Good for Groups
Online Registration Required

Purchase this deal from Rush49 and you will receive an email containing your unique Rush49 voucher(s). You can access your voucher(s) any time with your Rush49 account or via email.

Online registration is required for Boulderthon. After purchase you will need to visit the link below to redeem your voucher.

Please Note:
-When purchasing multiple vouchers/deals, each participant must reserve separately and individually with their uniquely assigned Rush49 voucher ID.

Redemption Link & Instructions:

  • Click on Select Package for the Registration Type you purchased
  • Verify your Race/Category, click Register
  • Sign in using one of the available options
  • Complete Registration Form, click Continue to Merchandise
  • Select Add-Ons (optional), click Continue to Payment
  • Click Continue to Payment
  • Enter your Rush49 voucher code where it says "Coupon Code", click Redeem
  • Click Register to complete Checkout

You will receive an email confirmation after completing Checkout. 

Tickets Valid
Tickets Expire October 10, 2021
Fine Print
  • Valid only for option purchased
  • Amount paid never expires
  • Age limits are ages 9 and older for the Half Marathon and ages 13 and older for the Full Marathon
  • This deal is non-refundable
  • Cannot be combined with any other special offers, promotions or discounts
  • Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services
For full details on our refund policy click here





The Boulderthon was created by an avid New York Road Runners runner to spread the joy of marathons; with the belief that Boulder, one of the great running hubs of the country, deserves a signature, premier marathon.

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