Phuket 100K Ultra Marathon

The Phuket 100K Ultra Marathon 2026 will take place on Saturday, June 6, 2026, starting and finishing in front of Splash Beach Resort in Mai Khao Subdistrict, Thalang District, Phuket Province, Thailand. Distances include 100 km solo (start 3:00 AM, 18 hour cut‑off, 5 loops of 20 km), 50 km solo (start 4:00 AM, 9 hour cut‑off, 2.5 laps: first 2 laps 20 km each, final lap 10 km), and a 60 km mixed team relay (3 persons, at least one female; start 4:30 AM, 11 hour cut‑off, 3 laps of 20 km). The course is 100% road (no trail), with approximately 600 m of CPAC brick surface at the start, total elevation gain of +152 m per loop. Aid stations are located every 2.5 km.

All participants must follow event rules. Registration is closed. Applicants must meet qualification requirements: 100 km entrants must have completed at least two full marathons or one ultra marathon (50 km+) since 2024 with official chip timing (screenshots from smartwatches or running apps not accepted). 50 km entrants do not need prior race results. Once registered, no name changes, distance changes, bib transfers, refunds, or deferrals. Using another person's bib is prohibited. Participants must be in good physical health.

• Included in entry: bib with chip timing, insulated water bottle, Thailand Ultra Series bag, Drop Bag, finisher shirt, finisher medal, water/electrolytes/fruit every 2.5 km, traffic control volunteers, breakfast/lunch/snacks, drop bag service, medical team and physiotherapists, accident insurance.
• Alumni (loyalty) registration applies to runners who have previously registered for Thailand Ultra Series races since 2023 (Phuket 100K, Thailand 100K, CNX100K, Khaoyai 100K). Senior loyalty rates apply to male runners 65+ and female runners 60+.
• 100 km Ultra Academy option includes 3‑month online training program (March to race day) from Thailand Ultra Master Academy coaching team.
• Prizes: trophies for top 10 male and female finishers in 100 km and 50 km; trophies for top 3 relay teams. Prize money for course records: 100 km – 20,000 THB (male/female), 50 km – 10,000 THB. Thailand Ultra Master Series record: 100 km – 50,000 THB, 50 km – 25,000 THB.
• Accommodation: Splash Beach Resort special rates for June 5–7, 2026 (Deluxe King/Deluxe Twin – 3,800 THB for 2 persons with breakfast; 2 Bedroom Residence – 8,000 THB for 4 persons with breakfast). Water park tickets available.

The route runs along Mai Khao Beach Road, through rubber plantations, and past local village life. Nearly 100% of the course has traffic closure or dedicated lanes with cones and traffic marshals. A service station at every 20 km loop (start/finish area) offers food, fruit, drop bags, and physiotherapy — this is the only point where support crews may assist runners.

• Contact: runlover.net. More information on Facebook: Phuket 100K Ultra Marathon.
• Cancellation, refund, and shipping policies available on the website.
• This is the 4th edition of the Phuket 100K, part of the Thailand Ultra Series (4 races in Southern Thailand).

Phuket 100K Ultra Marathon 2026 in Phuket, Thailand on June 6, 2026, offers 100 km (18h cut‑off), 50 km (9h cut‑off), and 60 km mixed relay on a 20 km road loop along Mai Khao Beach and rubber plantations, with aid stations every 2.5 km, finisher shirt and medal, and qualification requirements for 100 km entrants.