PHEN 21 2026

PHEN 21 2026 is on Sunday 18 October 2026 at the Phen District Office in Phen, Udon Thani, over 5 km, 10 km and 21.1 km.

Facts last checked September 29, 2026

PHEN 21 2026 is organised by PHEN Running with TK SPORT Organizer, starting in front of the Phen District Office in Udon Thani, with entries on ThaiPhotoRun. The organiser says income goes to Phen district for public benefit. Trophies go to the top five in each age group for men and women over 5 km, 10 km and 21 km. RUNLAH and PatRunning list 4 October; the organiser registration page gives 18 October, which this record uses.

Key facts
Date	2026-10-18
Distance Km	21.1, 10, 5
Primary Distance Km	21.1
Venue	Phen District Office
Organizer	PHEN Running with TK SPORT Organizer
Price Range	THB 450-1,500
City	Phen, Udon Thani
Country	Thailand

half-marathon thailand

Frequently asked questions

How much does PHEN 21 cost to enter?

The registration page lists the 21 km at THB 650, the 10 km at THB 500 and the 5 km at THB 450, each with a shirt and medal. VIP entries cost THB 1,500 and add a commemorative trophy.

What age groups does PHEN 21 use?

Each distance has men’s and women’s age groups from 19 and under up to 70 and over, in ten-year bands from 20. Trophies go to the top five in each group.