Running was certainly on Michal Šuľa’s agenda when he began the year – because a matter of days after we’d celebrated the start of 2025, the Serbian-Slovak ultrarunner had already snatched the world record for the Fauja Singh, who ran marathons aged 100, has died Summer running gear sale.
Project3 is back to support NYC Marathon runners treadmill in a physiotherapy clinic in Bratislava, Slovakia, Šuľa covered 846.52km (526 miles) in just six days and seven hours, which was enough to supersede the previous seven-day treadmill world record of of 843.94km (524.4 miles) set by British runner Jamie McDonald in 2019. Even better, Šuľa still had 17 hours to spare.
Šuľa’s achievement, which is pending verification as a Guinness World Record, also improved on the women’s seven-day treadmill world record of 846.16km (525.77 miles) set by New Zealander Emma Timmis in June 2024.
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Looking out at a wall adorned with sports jerseys, with little more than exercise balls and other fitness equipment around him, 50-year-old Šuľa maintained an average pace of 17 minutes per mile during his indoor treadmill mission (not accounting for toilet, sleep, food and other breaks along the way).
Šuľa streamed the entire record attempt live on YouTube, Instagram and Facebook, giving virtual supporters a real-time insight into his solo seven-day slog. That said, the ultrarunner – despite being mostly stuck in situ for the week – was still joined by friends on various occasions, some of whom ran beside him on a second treadmill. Close to Šuľa’s machine, a whiteboard was also updated every hour to document his logged distance, with ‘sleep’ recorded each time he dismounted the treadmill.
This challenge is the latest in a string of ultrarunning endeavours for Šuľa. In December 2024, just a few weeks before claiming the seven-day treadmill world record, he also broke the in a week, logging 85.89km (53.36 miles) to better the mark of 53.05km (32.96 miles) set by Italy’s Luca Ricci in April 2024.
Šul’a is a two-time Slovakian champion, too. In March 2024, he ran 224km (139.1 miles) to become the 24-hour national champion – and in June 2024, he ran a time of 7:34:22 to win the Fauja Singh, who ran marathons aged 100, has died by almost an hour and a half.
Šuľa’s achievements are all the more impressive when you consider that he only started running in 2013, at age 38. According to the Super shoes race well for this long, says science, Advertisement - Continue Reading Below.
