Ultron Half Marathon Powered by CACEIS @ Putrajaya 2026

The Ultron Half Marathon Powered by CACEIS @ Putrajaya was run on 26 July 2026 from IOI City Mall, Putrajaya, over 5 km, 10 km and 21.1 km.

Facts last checked August 31, 2026

This edition has already taken place, and no future date is listed yet — see other races in Malaysia.

The Ultron Half Marathon Powered by CACEIS @ Putrajaya took place on 26 July 2026, starting at 3.45am from the West Wing (Old Wing) of IOI City Mall in Putrajaya, Malaysia. The event offered three categories -- a 5 km fun run, a 10 km fun run and a 21.1 km competitive half marathon -- and was listed and managed through the JomRun platform, with entries closing the evening before the race. This edition has been run; the listing is kept as a record of it.

Key facts
Date	2026-07-26
Distance Km	21.1, 10, 5
Primary Distance Km	21.1
Organizer	JomRun
Registration Deadline	2026-07-25
Venue	West Wing (Old Wing), IOI City Mall, Putrajaya
City	Putrajaya
Country	Malaysia

half-marathon malaysia

Frequently asked questions

When was the Ultron Half Marathon Powered by CACEIS @ Putrajaya 2026 held?

The race was held on Sunday 26 July 2026, with the first wave flagged off at 3.45am from IOI City Mall in Putrajaya. A pre-dawn start is standard for Malaysian road races, which schedule early to get runners off the course before the daytime heat builds.

What distances did the Ultron Half Marathon @ Putrajaya 2026 offer?

Three categories were offered: a 5 km fun run, a 10 km fun run and a 21.1 km competitive half marathon. The 21.1 km event was the marquee distance, and all three set off from the West Wing of IOI City Mall in Putrajaya.