BibTag Technology at the 2025 Nagoya Women's Marathon
The Nagoya Women’s Marathon, one of the world’s premier women-only marathons and a World Athletics Platinum Label event, was successfully timed by I.SAM using MYLAPS BibTag technology for the second consecutive year. With an AIMS certification and a reputation for excellence, this race continues to set the standard in women’s long-distance running.
The 2025 Nagoya Women’s Marathon saw 20,000 elite and amateur runners cross the finish line, with every participant accurately timed using MYLAPS’ trusted BibTag technology. The event was timed by I.SAM, one of the largest timing companies in Japan, with 33 BibTag Portable Decoders and 11 BibTag Smart Decoders to ensure precise and reliable race results. Known for its expertise in timing major races like the Tokyo Legacy Half Marathon, I.SAM once again delivered world-class accuracy for this prestigious event.
2025 Race Results
The 2025 Nagoya Women’s Marathon winner was Kenya’s Sheila Chepkirui, finishing in an impressive 2:20:40. The New York City Marathon champion crossed the finish line 19 seconds ahead of Japan’s Sayaka Sato, who set a personal best of 2:20:59—improving by over a minute—while Bahrain’s Eunice Chebichii Chumba secured third place with a time of 2:21:35.
Celebrating Women’s Running on International Women’s Day Weekend
Held alongside the Nagoya City Marathon, the Nagoya Women’s Marathon takes place on International Women’s Day weekend, celebrating women’s strength and achievement in long-distance running. As the largest women-only marathon in the world, it inspires both elite and amateur athletes as well as future generations.
Every finisher is honored with an exclusive Baccarat tumbler, a prestigious gift symbolizing excellence, making this event a truly memorable experience.
BibTag – The Standard in Sports Timing
Since inventing automatic sports timing in 1982, MYLAPS has been at the forefront of innovation, powering races from the Olympics and major marathons to local races. BibTag technology is the industry standard for mass events, offering affordable chips with the highest read-rates.
With the successful deployment of BibTag technology, the Nagoya Women’s Marathon joins the ranks of other prestigious international races that trust MYLAPS for accurate and reliable timing. In 2025, BibTag will be used at four of the seven Abbott World Marathon Majors, Tokyo, Boston, Chicago, and Sydney, reinforcing its reputation as the gold standard in race timing technology.
Our products and platforms are used at professional events like the Olympics and INDYCAR, as well as countless local events around the corner.
About I.SAM
I.SAM is one of the largest timing companies in Japan, providing world-class sports timing solutions for major events, including the Tokyo Legacy Half Marathon and the Nagoya Women’s Marathon. With extensive experience in mass participation races, I.SAM ensures accurate and reliable race timing, enhancing the experience for both organizers and athletes.