Paul Schnell, a UK runner, created the m+ number to count marathon-length efforts. It includes races and solo runs. Schnell's m+ number is 56, counting all 26.2-mile efforts.

Schnell noticed 100 Marathon Club vests at a race in 2020. He admired the dedication but wanted a broader count. His m+ number reflects any marathon-length run, official or not. Read more trail coverage.

Schnell built a tool to count these efforts from Strava data. His m+ number includes races, ultras, and solo runs. It provides a personal running history, highlighting patterns and achievements. Related: Reesor 50: A Unique Trail Race in Saskatchewan.

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