Copenhagen stages the road mile, 5km and half marathon world titles across 19 and 20 September with 496 athletes entered
World Athletics Council decides the 2029 and 2031 World Championships hosts in Budapest with Nairobi bidding for a first African edition
Schindler takes the Tor des Geants lead from Zhao at Gressoney as Hartmuth stays third overall
Nike announces a Hybrid footwear system with the RN trainer out in China on 24 September and globally on 8 October
A review in the Journal of Applied Physiology makes the case for treating mass marathons as natural experiments
Kosgei wins the 45th Great North Run in 1:06:15 as Talbi takes the men's race in 59:47 and McColgan withdraws injured
Bednarek and Jefferson-Wooden complete sprint doubles in Budapest with world-leading 200m times of 19.52 and 21.47
United States finish the first Ultimate Championship with ten golds and 27 medals from 28 events, more than triple any other nation
Stewart and Ostaszewski win the Wasatch Front 100 to close the Grand Slam as 236 runners beat the 36-hour cut-off
David Weir takes a record tenth Great North Run wheelchair title as 63,000 finishers make the 45th edition the biggest ever
Jefferson-Wooden wins the Ultimate Championship 100m in 10.62 as Paulino takes the 400m in Budapest
Geay and Adola become the fastest men entered in Berlin after Sabastian Sawe withdraws injured
The World Athletics Road Running Championships open in Copenhagen on Saturday. Jakob Ingebrigtsen has six days between the Budapest Ultimate Championship and the 5km, and he is not the only one attempting the double.
Three world titles, 496 athletes and a six-day turnaround from Budapest for several of the favourites.
Both the 2029 and 2031 hosts are decided in the same session, giving the Council room to balance one award against the other.
A fifty-minute stop at the Gressoney life base cost Jiaju Zhao the lead after 36 hours of racing.
The Hybrid RN reaches global retail on 8 October, with the Hybrid Fly as its race-day counterpart.
Mass race data exposes patterns in pacing, heat and durability that a twelve-runner laboratory study never could.
Brigid Kosgei ran most of the 13.1 miles alone after the home favourite pulled out inside the opening miles.
Two sprint doubles, a Josh Kerr 1500m win and a world-leading high jump closed the inaugural Ultimate Championship.
No other nation won more than two titles, and the format that produced that table was designed without a cap on entries per country.
The Grand Slam of Ultrarunning closed in Utah on Saturday, on a weekend that put 78 North American ultras on the calendar.