NUT JOB CHALLENGE
Frederick Fairgrounds
797 E Patrick St
Frederick, MD 21701 US
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COUNTDOWN TO RACE DAY
RACE DAY IS
MAY 2 & 3, 2026
Races Start at 5p & 7a.
REQUIREMENTS
Participants must complete both the 5K and the Half-Marathon in the same weekend. Particpants must be 13 years of age and be able to complete the 13.1 mile course in under 3.25 hours (15 min/mile pace). Those who are under 13 may still be eligible to participate but must seek a waiver by contacting customerservice@corrigansports.com.
FIELD SIZE
The Nut Job field will be capped at 500 teams, with a total of 5,000 runners in all events; although the Race Director reserves the right to change the size of the marathon field.
REGISTRATION
Nut Job participants should register online by selecting the NUT JOB CHALLENGE option from the race list. However, if you sign up for the half-marathon and the 5k separately, are are required to merge your entries by completing THIS FORM in order to be eligble. Online registration will close May 2, 2026 at 3:00 pm or earlier if the field is filled. In-Person Registration will be available at packet pick up if space remains. Please register early to take advantage of the best pricing and to avoid a sellout.
Once you have registered, please take the time to confirm the accuracy of the information. You may be able to look up and edit your information by following the instructions HERE. Many of your questions can be answered by visiting our FAQs page or within the Runner Information Packet that will be published just before race week.
Opportunities to UPGRADE to a longer distance, DOWNGRADE to a shorter distance or DEFER your entry until 2027 are available with specific deadlines. Details and deadlines are available on our FAQs page.
NO MAILED, FAXED OR EMAILED ENTRIES | NO REFUNDS | NO RACE TRANSFERS
CHALLENGE BENEFITS
Over the years, we have learned that some of our participants are certifiably nuts! Many of you can’t get enough running and are always looking for the next challenge. Well, now we have just the thing for you! We are proud to announce the Annual Frederick Nut Job Challenge.
Runners who complete both the half marathon on Sunday and The Twilight 5K on Saturday will receive:
- A special Nut Job race bib valid for both events
- Earn an exclusive Nut Job medal in addition to the half marathon and 5K medals.
- A $5 savings if you regster for both races at one time using the BUNDLE option.
Medals will be distributed following the completion of the half marathon. Your special bib will help our volunteers and everyone else identify you as a Nut Job (and let them know to run the other way… very quickly!).
HOW TO REGISTER (& SAVE $5)
Select the NUT JOB category in the registration process and we will make sure you receive your special Nut Job race bib at pick-up. By registering using this category you will SAVE $5 OFF your total combined registration fee. If you have already registered for one of the race distances but did not register for the Nut Job, simply register for the other race and then fill out the form below to let us know you are a Nut Job!
The deadline to link your races together into the Nut Job Challenge is April 17 at 11:59pm.
Please Note: If you register for each race separately and link them together into the challenge, you waive your right to the discount.
The deadline to merge your Nut Job has passed. Please email customerservice@corrigansports.com if you would like to be added to the waitlist. Thank you.
AWARDS
A prize will be awarded for the 1st place overall Male & Female in the Frederick Nut Job Challenge – awards are based on the combined finishing chip time in the Half & 5K.
