San Jose, CA ::

Event Info|Join VIP|Volunteer

Pre-Register (It’s Free)

Firefly Run is the coolest, most eye dazzling, and illuminating 5K night race. Runners and walkers of all speeds and experience are welcomed. Decorate yourself like a Christmas tree or dress up in mesmerizing costumes and let your creativity flow. Enjoy the post-race after party with live entertainment, refreshments, and amazing visual effects! Come out and support us for a great cause that benefits local charities. Relax and enjoy the spectacular sight of an one-of-a-kind night-time race. It’s time to get your glow on and light up the night like fireflies!

Location, times and course map will be released soon.

  • EarlyBird Tickets $25

  • Regular Registration $45

  • Day of Event Registration $55

If you would like to track your time for Firefly Run, timing chips will be available for an additional $5 purchase. There will be medals given out to the top 3 participants in each age/gender category in the awards tent on event day. The top women and men also receive a $250 cash prize for first place, $150 cash prize for second place and $100 cash price for third place.

Firefly Run wouldn’t be possible without the help of our awesome volunteers! If you are interested in volunteers, or are part of an organization that is interested in supplying volunteers, please fill out our volunteer form.

Mini-Fireflies are absolutely welcome at our events! Kids 7 & under are free, but will still need to fill out a waiver.

The Finish-Line Festival is free for all to attend whether they are running or not, so bring the whole family.

Looking to light up your marketing campaign? Becoming a sponsor of the Firefly Run is an incredible opportunity to flip the switch and reach thousands of customers.

To learn about our illuminating marketing opportunities, please email us at

We will get back to you in a flash!

Make life easier for yourself! Come pick up your race packets the day before the event at our exclusive pickup location with no additional charge.

If you choose to pick your packet up on event day, we highly recommend arriving two hours before your start time, to allow plenty of time for parking, getting ready, registration, etc. There will also be an additional fee of $5 for day of packet pick-up.

Have a question you don’t see here? Visit our Frequently Asked Questions page for more information about FireFly Run.