Quentin Koch, a Xavier junior, finished second but was disqualified for using a heart rate monitor. Connecticut bans such devices in championship races, unlike national rules.

Koch's coach appealed the disqualification, but a jury upheld it. Xavier still won the team title, their first since 2018. Koch can use the monitor in the New England Championships. Read more culture coverage.

The Connecticut Interscholastic Athletic Conference rule states any illegal aid, like a heart rate monitor, results in disqualification. The National Federation of State High School Associations allows such devices. Related: Dublin Marathon's Zero-Tolerance Policy on Bib Transfers Explained.

This original Runner World brief is based on reporting from Marathon Handbook. Visit the source for its complete reporting, context and any later corrections.