Fiesta Days Diaper Derby

Bottoms up and knees down. Get ready to waddle, crawl or tippy toe to cross the Finish Line.

Vacaville Fiesta Days will be hosting our 48th annual Diaper Derby on Saturday, May 29, 20201. To comply with COVID-19 regulations and the safety of our participants, this year’s derby will be held outside on the grass at Andrews Park. Registration starts at 9:30 a.m. and the official start time of the Derby will take place at 10:00 a.m.  The races are open to tiny athletes 7 months to 4 years old. 

Early Registration will be $10. Same day entry is $15 (cash only). Early registration can be mailed in to PO Box 5263, Vacaville CA 95686, online at our website – or contact us at the Fiesta Days office at 707-448-4613.  

There are five age divisions for Boys and Girls, Crawlers (7-11 months), Shrimps (12 – 18 months) ,  Tippy Toes (19 – 24 months) , and the Rugrats (25 – 36 months). This year we are adding a new category called “Youngsters” (37 – 48 months). 


***New Category***

We have opened a new category called “Youngsters” welcoming any child 24 – 36 months. 

We are more than happy to have you bring your cameras, cellphones and all things flashy, it may even help motivate your child to become the winner! The winners will be announced by our Chairperson Jennifer Johnson. 

Jennifer Johnson is a long time Vacaville residents.  Jennifer has been involved with Fiesta Days for many years and is excited to now be handling the Diaper Derby.  She loves the family atmosphere and watching generation after generation return to enter the Diaper Derby, she stated, this is a TRADITION in Vacaville.   We appreciate and are thankful to our community.  Your dedication to our community is what makes a difference in making the Diaper Derby such a success each year.    


Hope to see you there!   

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©2019 by Vacaville Fiesta Days & Above and Beyond Media