Realbuzz Running Series

CKF Run Team - Realbuzz Running

We’ve teamed up with charity running partner Realbuzz to offer you the chance to run in support of Team CKF in a number of world-famous marathons and half-marathon events. You’ll get full fundraising support and ideas throughout your journey, plus an exclusive charity champion finisher pack, courtesy of Realbuzz.

This is a great opportunity to get involved with CKF and show your support for organ, eye, and tissue donation. Participants are responsible for covering their travel and accommodation costs. CKF will not attend the events in person but will offer support in the lead-up.

In 2026, we sent 1 runner to the Tokyo Marathon and 3 runners to the Berlin Marathon. For 2027, we already have 4 runners headed to Tokyo! Check out the races we have to offer.

Click the Learn More link below to learn about the opportunities and sign up!

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Sponsor Our CKF Run Team!

There are opportunities to sponsor our CKF Run Team at the Gold, Silver, Bronze, and Community Level. Hit the button below to learn about sponsorships.

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Meet Team CKF for Realbuzz 2027

  • A woman is running in a marathon, smiling and raising her hands in celebration. She wears a blue running tank top, black shorts, and colorful running shoes. Behind her, other runners and spectators are visible, with some holding signs and cheering along the race route surrounded by green trees.

    Teagan Walter - Tokyo Marathon

    Teagan is a living donor who donated her kidney to a stranger in 2021.

    Post-donation, Teagan started running for three reasons. She was inspired by the donation process and seeing what her body was capable of. She also wanted to answer the question she kept getting of "can you live a normal life with one kidney?" And she wanted to raise money and awareness for organizations that are making a difference in improving outcomes for people with kidney disease.

    Despite believing pre-donation that she would never be able to run any sort of race, she ran her first marathon in 2024, fundraising for the National Kidney Foundation of Illinois. She also ran a 200-mile relay race that same year, on a team comprised entirely of kidney donors and recipients, to raise awareness about kidney donation.

    In 2025, Teagan ran both the Berlin and NYC Marathons with Team CKF, and in 2026 is running Cape Town with them, excited to support an organization that she has a personal connection with. Having grown up in Aspen, CO, she followed Chris Klug's journey through organ transplantation while she lived there.

    Support Teagan
  • Two people smiling and making a heart shape with their hands at an outdoor event, both wearing colorful stomach costume outfits with orange, pink, green, and purple parts. There are banners behind them for the Chris Klug Foundation.

    Jessi Rochel - Tokyo Marathon

    Jessi is on a mission to complete the Abbott World Marathon Majors! She has completed NYC, Berlin, Sydney, and Chicago, with plans to complete London and Cape Town in 2026!

    Jessi has been a registered organ donor since her teens, is a member of the bone marrow and blood stem cell registry with NMDP, and one of her favorite things to do is to donate blood. She has also been the Executive Director of the Chris Klug Foundation since October 2022.

    Organ donation is quite literally close to her heart as her father received a life-saving heart transplant in 2015. In addition to honoring donors and transplant recipients through her racing and work, she is here to represent the caregivers, too, including her mom, who are also heroes in the community.

    In her free time, Jessi loves to spend time with her rescue kitty, Bergi. She also enjoys reading, comfort rewatching her favorites TV series and movies, most all things athletic, and traveling. She is a runner, biker, swimmer, skier, hiker, and racer (participant, not competitor).

    This will be her 4th time as a member of the CKF Run Team, having previously participated for NYC, Sydney, & Cape Town!

    Support Jessi

  • Drew Siflinger - Tokyo Marathon

    Drew is from Boston, Massachusetts, where he was lucky enough to run his first marathon in 2024.

    Drew is beyond excited to represent Team CKF in Tokyo, where he will be taking on his 5th World Marathon Major, and helping support a fanatic cause by spreading awareness on the importance of: organ, eye, and tissue donation.

    Support Drew

  • Katelyn Sullivan - Tokyo Marathon

    Katelyn “Kat” Sullivan is a Boston-based runner excited to represent Team CKF at the 2027 Tokyo Marathon! Tokyo will be her second marathon, following her first marathon in April (Boston). 

    Kat is looking forward to giving back through her hobby of running by helping raise funds and awareness for CKF's mission. When she’s not running, Kat enjoys hosting community events in Boston through her local group, Eastie.Social. She’s excited to bring her community together for a social bowling fundraiser supporting CKF, combining her love of connecting people with an opportunity to make a difference.

    Running Tokyo brings together Kat’s love of running and travel, all for a good cause. She’s grateful to her teammate Teagan for introducing her to this wonderful organization and for the opportunity to share CKF’s message with her community and beyond.

    Support Katelyn

Berlin Marathon 2026

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Berlin Marathon 2025

A woman running in a marathon with her arms raised in celebration, surrounded by other runners on a city street.
People standing outside the entrance of the Berlin Marathon venue, with a large sign above that reads "BMW Berlin Marathon" and "Hello, World - Welcome to Berlin!"
A smiling woman in a gray cap and dark blue shirt pointing at her shirt, standing in front of a blue sign that reads 'BMW Berlin Marathon'.
A woman standing inside an airport holding a bib with the number 86744 and the name Teagan, smiling. Behind her is a large banner that reads, 'It's time to become a Berlin legend,' with the BMW Berlin Marathon logo.
Two women dressed in athletic jackets and pants standing in front of a large blue backdrop with the word "EVENT". They are smiling and holding race bibs, suggesting participation in a race or marathon.
A smiling woman in a blue running tank top and black shorts participating in a race, wearing sunglasses and a bib number 86744 with the name Teagan, surrounded by other runners.
A woman smiling and holding a finisher's medal at the Berlin Marathon 2023, with a historic building and marathon participants in the background.
A woman with short gray hair holding up a BMW Berlin Marathon medal, which has the Berlin Gate and the date September 21, 2025 on it, wearing a black shirt and a red, black, and yellow ribbon around her neck, with a crowd and trees in the background.

Thank you to our 2026 Sponsors!

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