Honolulu Marathon
December 13, 2026 • Honolulu, HI
Get ready for an exhilarating adventure with one of the epic locations in the SuperHalfs Half Marathon Series or a select number of marathon experiences across the globe, all while championing Blood Cancer United’s groundbreaking research and comprehensive patient care! Register now to merge the excitement of travel with the joy of running, and turn every mile into a powerful contribution to an incredible mission. Let’s make every step count!
As a Team In Training participant, you’ll:
- Earn a coveted bib for your chosen SuperHalf or select marathon event by committing to raise a minimum of $3,000 for the Blood Cancer United mission.
- Have a personal fundraising website and dedicated staff members to help you reach your fundraising goals.
- Get exclusive TNT race day apparel, top-notch coaching, a training schedule, and access to our Training Resource Center.
- Unlock travel reimbursement, incentives, and mission milestones when you fundraise above your commitment.
- Join a vibrant community of passionate, like-minded individuals as you raise incredible funds in the quest for a cure.
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Copenhagen Half Marathon │ September 20, 2026
Course time limit = 3 hours
Register by May 31, 2026 for a full 16-week training season
Latest registration accepted August 3, 2026
Cardiff Half Marathon │ October 4, 2026
Course time limit = 4 hours 30 minutes
Register by June 14, 2026 for a full 16-week training season
Latest registration accepted August 17, 2026
Valencia Half Marathon │ October 25, 2026
Course time limit = 2 hours 45 minutes
Register by July 5, 2026 for a full 16-week training season
Latest registration accepted August 24, 2026
Dublin Marathon │ October 25, 2026
Course time limit = 7 hours
Register by June 7, 2026 for a full 20-week training season
Latest registration accepted August 6, 2026
Venice Marathon │ October 25, 2026
Course time limit = 6 hours
Register by June 7, 2026 for a full 20-week training season
Latest registration accepted September 14, 2026
Athens Marathon │ November 8, 2026
Course time limit = 8 hours
Register by June 21, 2026 for a full 20-week training season
Latest registration accepted September 15, 2026
Valencia Marathon │ December 6, 2026
Course time limit = 5 hours 30 minutes
Register by July 19, 2026 for a full 20-week training season
Latest registration accepted September 21, 2026
Honolulu Marathon │ December 13, 2026
This race does not have a course time limit
Register by July 26, 2026 for a full 20-week training season
Latest registration accepted September 28, 2026
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Ready to join? Please click on the register now button above or click here to register for these races. Please note each course's time limit and the deadline to register.
Want to learn more?
Fill out our interest form at the link below and a Blood Cancer United staff member will reach out with more information.
Earn a coveted bib for your chosen SuperHalf or marathon event by committing to raise a minimum of $3,000
YOUR FUNDRAISING COMMITMENT
Team In Training teammates commit to fundraising a chosen minimum amount in full by 11:59 p.m. EST on the first business day after their event. Funds raised for the event are non-transferrable. If the fundraising commitment is not met by the deadline, teammates are responsible for donating any remaining balance.
Want to know more about what your Commitment to Team In Training means? Click here for a detailed outline of the process.
Please note: All charity participants must comply with any rules or requirements set forth by the event organizers, including age requirements for each race. Information regarding race policies can be found on the race website.