Skip to content
Run SEA

Lake Toba Cross Island Run 2026

The Lake Toba Cross Island Run 2026 is a cross-country race from Parapat towards Samosir on Sunday 20 December 2026, with a 21 km Cross Marathon plus 10 km, 5 km and family runs.

Facts last checked October 26, 2026

The Lake Toba Cross Island Run 2026 takes place on Sunday 20 December 2026 at Lake Toba in North Sumatra, based in Parapat, Simalungun Regency, on a cross-country route that links Parapat and Samosir. The longest race is the 21 km Cross Marathon, alongside a 10 km, a 5 km open, a 5 km student race and a family fun run. All racing categories are chip-timed, and the organiser is Toba Collective.

Key facts
Date2026-12-20
Distance Km21.1, 10, 5
Primary Distance Km21.1
VenueParapat, Lake Toba (Parapat-Samosir route)
CityParapat, Simalungun, North Sumatra
CountryIndonesia
OrganizerToba Collective
half-marathon indonesia

Find out more about Lake Toba Cross Island Run 2026

Race calendars and finish-time stats for Southeast Asia, every day.Follow @runsea.run on Instagram ↗

Frequently asked questions

When is the Lake Toba Cross Island Run 2026 taking place?

The race is on Sunday 20 December 2026, with the event day running from 5am at Parapat on the eastern shore of Lake Toba in North Sumatra. The 21 km Cross Marathon is the headline race, and the shorter categories and family run follow on the same morning.

What distances are on offer?

The longest race is the 21 km Cross Marathon, a half-marathon-length run over mixed cross-country terrain. There is also a 10 km, a 5 km open race, a 5 km race for students with a valid student card, and a family fun run. The racing categories use official chip timing, and prizes include cash, shoes and bicycles.

Where is the race held and what is the course like?

Racing is based in Parapat in Simalungun Regency, the main ferry town on the eastern side of Lake Toba, with a route described as linking Parapat and Samosir. The organiser calls it a cross-country run with lake, mountain and island views, so expect hills and varied surfaces rather than flat city roads.

Related races

28MAR
Carabao Half Marathon (Carabao Marathon)

Kota Batu, Jawa Timur, Indonesia

Full Marathon (42km) Half Marathon (21.1km) 10K 5K
18APR
Belitong Geopark Run 2027

Pulau Belitung (Belitong), Indonesia

Half Marathon (21.1km) 10K 5K
17JAN
Ciletuh Geopark Run 2027

Sukabumi, Jawa Barat, Indonesia

Half Marathon (21.1km) 10K 5K
6DEC
Pertamina ECO Runfest

Jakarta, Indonesia

Half Marathon (21.1km) 10K 5K
26SEP
Solo Run Fest 2027

Surakarta (Solo), Central Java, Indonesia

Half Marathon (21.1km) 10K 5K
30MAY
Makassar Half Marathon 2027

Makassar, South Sulawesi, Indonesia

Half Marathon (21.1km) 10K