The National Breast Cancer Research Institute (NBCRI) is incredibly proud to be supported by the global marathon-running community, a group defined by courage, determination, and extraordinary endurance. Through their commitment to marathon challenges at home and abroad, these runners are helping to fund life-saving breast cancer research and bring hope to countless families.

Every mile run and every challenge conquered makes a real impact in the fight against breast cancer. We extend our deepest and most heartfelt thanks to each and every participant who has stood with us.

This year, NBCRI is excited to offer a range of inspiring marathon challenges, giving you the opportunity to push your limits, be part of something bigger, and help change lives.