The Lilac Bloomsday Association presents the 45th running of the Lilac Bloomsday Run.

  • April 30 - May 9, 2021
  • 12 Kilometers (7.46 miles)
  • Worldwide Virtual Race


Bloomsday 2021 is now Bloomsday Worldwide – A Virtual Race

Sorry, Bloomsday registration is now closed!

*** Registration for Bloomsday is only available online ***

Event: Bloomsday Worldwide - 2021

The tradition of Bloomsday will live on for 2021 with Bloomies completing their own 7.46-mile trek on any course, trail or path they choose — from any location around the world. And finishers will still earn their ever-popular, super-secret Bloomsday 2021 finisher shirt!
Dates: April 30 - May 9, 2021
Distance: 12 km (7.46 miles)
Entry Fee:
Registration Dates Entry Fee
January 1 - March 13, 2021 (includes personalized race bib, mailed in early April)
March 14 - April 17, 2021 (includes non-personalized race bib, mailed in late April) $24.49*
April 18 - May 9, 2021 (includes non-personalized race bib, will arrive after race dates) $34.99*
* includes online processing fee
All registration fees are non-refundable. 
Please Note: In order to receive your finisher shirt, you must complete your 7.46-mile run/walk/race and report your finish time between Friday, April 30 and Monday, May 10, 2021, which has now extended for a limited time!

Register Online

IMPORTANT NOTE: Effective with registrations received on or after April 25, your race bib and souvenirs purchased will not be mailed until the week of May 10-14, so you can expect delivery 1-2 weeks after that for U.S. addresses. For international mailing addresses, please add up to 2 additional weeks.

Sorry, registration for Bloomsday Worldwide is now closed!

Need to verify if you are registered or look up your bib number? Use the online registration search tool to see if you are registered. You can also search for friends or family if you know their information AND they registered online.

Need to update your mailing address after registering? Please reply to your email receipt to let us know your new address, or use this contact form to provide your name, old address, and new address.

Need to view your individual registrations? Log in to your Bloomsday account and click "Order History" to view your individual registrations.