Let’s Do This and Chicago Event Management Form Strategic Partnership to Manage Record-Breaking Global Demand for Marathon Entries
March 20, 2026

The producers of the Bank of America Chicago Marathon will leverage LDT’s AI-powered technology to support unprecedented growth across their prestigious event portfolio
SAN FRANCISCO, Calif. (March 20, 2026) /ENDURANCE SPORTSWIRE/ — Let’s Do This (LDT) has announced a strategic partnership with Chicago Event Management (CEM), the organization behind Chicago’s premier racing portfolio – the Bank of America Chicago Marathon, Chicago 13.1 and Shamrock Shuffle.
The partnership comes as Chicago cements its title as the “City of Records” and global interest in the events reaches an all-time high. The 2025 season saw sell out events, with the Bank of America Chicago Distance Series welcoming more than 100,000 runners across its finish lines, a record 54,383 Bank of America Chicago Marathon finishers. Record demand has continued in 2026 with an unprecedented 200,000+ people applying for a chance to participate in the Chicago Marathon while the Chicago 13.1 and Shamrock Shuffle reached capacity earlier than ever. CEM is excited to build on this success with Let’s Do This as a strategic registration partner to expand energy across its entire portfolio.
As the exclusive partner to other Abbott World Marathon Major events, Let’s Do This brings world-class expertise in managing and maximizing high-volume registration processes and complex participant ecosystems. The collaboration will focus on supporting the continued growth of CEM’s flagship event, the Bank of America Chicago Marathon, and helping to grow CEM’s broader portfolio, including the Bank of America Shamrock Shuffle and the Bank of America Chicago 13.1, while identifying new commercial opportunities through LDT’s AI-powered growth tools.
“We are deeply honored to partner with Chicago Event Management, an organization that represents the absolute gold standard in the endurance industry,” said Sam Browne, Co-Founder and CEO of Let’s Do This. “We are excited to bring our strategic best practices to Chicago and to support their team in leveraging their incredible momentum to get even more people to start lines across their entire, iconic portfolio.”
“At Chicago Event Management, we are committed to creating event experiences that fearlessly expand the boundaries of human potential,” said Michael Nishi, Chief Operating Officer of Chicago Event Management. “With interest in our events at a record high, partnering with Let’s Do This allows us to utilize the industry’s most advanced technology to strategically build on the success we’ve seen. We’re excited to leverage their expertise and provide our participants with more opportunities to engage with our races throughout the year.”
For more information about Let’s Do This and its AI-powered solutions, visit letsdothis.com.
ABOUT CHICAGO EVENT MANAGEMENT
Chicago Event Management (CEM) is a leader in the endurance industry, best known for its production of the Bank of America Chicago Marathon, a member of the Abbott World Marathon Majors. Since its founding in 1996, CEM has worked closely with community partners and leaders in event production to create world-renowned events in the heart of Chicago. Its portfolio includes citywide road races and wellness events that emphasize safety, sustainability, and community impact. To learn more about Chicago Event Management, visit cemevent.com.
ABOUT LET’S DO THIS
Let’s Do This is the AI Registration Platform for endurance events, driving growth and supercharging an event organizer’s capabilities. The Let’s Do This team is a true partner every step of the way – from launch strategy to event day and beyond. Let’s Do This scales word-of-mouth growth through its social tools including teams, invites, and referrals. Its AI approach unlocks new capabilities for its customers, with powerful event management, marketing, customer service, and data tools. Let’s Do This is the exclusive partner to many of the world’s most popular races, including the TCS London Marathon, the AJ Bell Great North Run, the AJC Peachtree Road Race and BOLDERBoulder.
