Bangsaen21

Road Running covering 21.1 km in Chon Buri, Thailand

LocationChon Buri, Changwat Chon Buri, ThailandShow on map(13.3622° N, 100.9835° E)
Date & StatusDecember 20, 2026Date confirmed
Elevation gainUp to +95 m

Bangsaen21 is an endurance sporting event in Chon Buri, Changwat Chon Buri, TH focused on Road Running. It is part of World Athletics Platinum Label, World Athletics Label. Key features include City Run, Night Run, Festive.

The competition program features Half Marathon (21.1 km, +95 m D+). The next edition is officially confirmed for December 20, 2026. Official race regulations, course details, and registration information are provided on the organizer's website (bangsaen21.com).

Bangsaen21 in Chon Buri (Work: "Table mountain light painting", Photo: Jonathan Beech, License: CC BY-SA 4.0, Source: Wikimedia Commons)
Cropped to 16:9 (960 × 540 px), WebP · Shared under the same license

Event characteristics

Races & distances (1)

CompetitionDisciplineDistanceElevation gainAltitude rangeCourse typeCourse & profile
Half MarathonRoad Running21.1 km+95 m59 m - 99 mLoop courseRoute & profile
Course & Elevation Telemetry

Course route & map

Half Marathon21.1 km
Distance
21.1 km
Elevation gain
+95 m D+
Elevation loss
-95 m D-
Altitude range
59 m - 99 m
Gradient (Avg / Max)
0.9 % / 1.6 %
Course format
Loop course
21.1 km+95 m D+
Start (S)Finish (F)
N5101520FS13.3622° N, 100.9835° E

Elevation profile & course telemetry

Altitude from 59 m to 99 m above sea level (+95 m D+, -95 m D-)

Peak: 99 m·at 10.3 km·Ø 0.9 %
59 m72 m86 m99 m0 km4.2 km8.4 km12.7 km16.9 km21.1 km99 m
Event Information & Answers

Frequently asked questions (FAQ)

When and where does Bangsaen21 take place?

Bangsaen21 takes place in Chon Buri, Changwat Chon Buri, TH (start area at coordinates 13.3622° N, 100.9835° E). The next edition is officially confirmed for December 20, 2026.

What races and distances are offered at Bangsaen21?

The competition program features Half Marathon (21.1 km, +95 m D+). The competitions belong to Road Running.

What is the course layout and elevation profile for Bangsaen21?

The main competition (Half Marathon over 21.1 km) is designed as a loop course featuring +95 m of elevation gain and -95 m of elevation loss, ranging between 59 m and 99 m above sea level. An interactive course map with route visualization, elevation profile, and GPX export is available in the course section on this page.

Where can I find registration and official race rules for Bangsaen21?

Official race regulations, course details, and registration information are provided on the organizer's website (bangsaen21.com).