[Hong Kong · Road] Standard Chartered Hong Kong Marathon 2027 public ballot closed on September 20 at 7 p.m. — The main-event field grows to a record 78,000 (half marathon up 4,000 to 29,000). First-round ballot results are published September 25 at 2 p.m. with payment due October 2, 11:59 p.m.; the second round follows October 7 at 2 p.m. with payment due October 10 (official race schedule).
[International · Road] Chicago Marathon 2027 official application window: October 8 – October 29 — Applications for guaranteed and non-guaranteed entry to the 49th running (October 10, 2027) open October 8 at 8 a.m. CT and close October 29 at 2 p.m. CT. Drawing results are emailed December 8 with payment due December 15; approved guaranteed-entry applicants must pay by November 10 (chicagomarathon.com). Meanwhile the Sydney Marathon 2027 ballot opens September 29 at 10 a.m. AEST and closes October 19 (TCS Sydney Marathon).
[Hong Kong · Trail] The North Face 100 Hong Kong 2027 selling out by category — The March 19–21, 2027 event at Lam Tsuen, Tai Po has sold out its 27K, has limited slots left in the 55K and is about 90% full in the 100K solo. Entry is first come, first served (official site).
[International · Trail] IAU 100K World Championships (Ames, Spain): Courtney Olsen and Charlie Lawrence win — Olsen (USA) came through in 7:10:31 after passing long-time leader Miho Nakata (7:11:57) at 17 laps; Lawrence (USA) held off world-record holder Aleksandr Sorokin, 6:09:25 to 6:12:41 (iRunFar).
[International · Trail] Course records fall at Run Rabbit Run 100; winners to earn US$100,000 in 2027 — Ryan Sullivan (17:03:38) and Hannah Allgood (19:01:59) both broke course records through a night of hard rain in Steamboat Springs, Colorado. Organisers announced before the race that the 2027 and 2028 men's and women's champions will each receive US$100,000 — the largest single winner's prize in trail running history (iRunFar results · Canadian Running).
[International · Trail] Vietnam Mountain Marathon 2026 (Sapa, September 17–20) draws 5,300+ runners — A World Trail Majors stop with six distances from 10K to 100 miles (160 km); the 160 km was won by a South Korean runner. The 2027 edition dates are yet to be announced (Tuoi Tre News · World Trail Majors).
[International · Trail] Golden Trail World Series Myoko Trail (Japan): Hanna Gröber and Patrick Kipngeno win — The 24 km / 2,000 m course saw Germany's Gröber take the women's race in 2:30:19, with Kenya's Kipngeno winning the men's. The series continues at the Jinshanling Great Wall Trail Race in China on September 27 (Golden Trail Series).
[Hong Kong · Road/Trail] Local entry roundup — Entry is open for the 17th PEGASUS Shek Mun 10K on December 6 (Fitz), the charity Lockton Fearless Dragon Trail Run on December 6, and the Run Run For Hope Clear Water Bay Challenge 2026 on October 24 (5 km challenge plus 3.5 km walk).