Japanese ultramarathoner breaks women’s 24-hour world record

Miho Nakata recorded 270.363 kilometres at an average pace of 5:20/km for 24 hours

IAU to drop 6-day as a recognized discipline

The International Association of Ultrarunners will no longer ratify world records for 1,000 km, 1,000 mile and 6-day races

IAU adopts World Athletics shoe rules for ultramarathons

Many ultra records could be in jeopardy following the latest news from the International Association of Ultrarunners