With over 250 teams at last year's event, the Big D Climb is a perfect event for companies, schools, community groups, or just those that want to support the mission of LLS!

The Basics

-You can form a Friends & Family team, Corporate team, or a First Responders team.
-Teams must have a minimum of three people and can have any gender combination. The top three finish times will be combined to come up with your team finish time.
-Everyone on your team will have the same start time.

Friends & Family Teams

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Friends & Family teams are comprised of family members and friends who want to come together to take on the challenge of climbing 70 stories together. Friends & Family teams are a good opportunity for student organizations, fitness groups, alumni organizations, apartment communities, and many more to create a team and climb for a cure!

Corporate Challenge

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Large and small companies, businesses and organizations form teams and climb with us each year. Big D Climb is also an opportunity for a company or organization to:

-Enhance employee morale
-Encourage teamwork
-Gain visibility for its products or services
-Generate goodwill in the community

First Responders Challenge

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Every day, first responders climb and conquer in pursuit of helping someone in need. It is just part of what they do! It is an honor to have first responders from across the nation partnering with The Leukemia & Lymphoma Society (LLS) to not only climb and conquer, but to help in finding a cure.

First responders will begin climbing at 7:45am in a separate stairwell from civilian climbers. Please allot extra time to gear up and drop off your air tank.


The race will be done in FULL structural firefighting gear: boots, pants, and coat (liners intact), helmet and gloves. Hoods will not be worn. Air WILL be used. Each firefighter participants is required to use gear which meets current structural firefighting standards. In the event that your fire department does not issue bunker gear, boots or helmets that comply, entrants must use the gear issued by your department that meets the next most current requirements.

Boots used for the event must meet structural firefighting standards. It is the responsibility of the participant to verify standards on their specific brand of boot prior to the competition. Each participant will be briefly checked prior to entering the stairwell to ensure the proper equipment is worn during the course of the event. Gear that is found to be not fire department issue, will subject the participant to disqualification. A disqualified participant will not be eligible for any individual or team racing prizes.

Participants must bring photo ID on the day of the event to ensure the liability waiver has been signed and to ensure accountability inside the building.


Police Departments are encouraged to wear their full uniform while competing against other local Police Departments.

First Responders, register here.

How to Create a Team:

  1. Think of a team name. (Have fun with this step!)
  2. Form a team online under the "register" tab by clicking the link "create a team"
  3. Tell your teammates the team name so they can select the appropriate team to join when they register by clicking the link "join a team"
  4. Recruit teammates and fundraise!

How easy was that? If you have questions or need help, please email Jessica.buckman@lls.org or call 972.996.5929.

Team membership is not limited to employees of a company. Actually, team participation is encouraged among employees' families, friends and neighbors.  

Big D Climb is a fun event that brings co-workers and their families together outside the office for the purpose of challenging themselves and helping others.