Road RunningBoston Marathon Qualifier

Chiang Mai Marathon

Road Running covering 3 km to 42.2 km in Chiang Mai, Thailand

LocationChiang Mai, Chiang Mai Province, ThailandShow on map(18.7883° N, 98.9853° E)
Date & StatusDecember 20, 2026Date confirmed
Elevation gainUp to +190 m

Chiang Mai Marathon is an endurance sporting event in Chiang Mai, Chiang Mai Province, TH focused on Road Running. It is part of Boston Marathon Qualifier. Key features include City Run, Culture & History.

The race program comprises 4 competitions, including Marathon (42.2 km, +190 m D+), Half Marathon (21.1 km, +95 m D+), Road Running 10 km (10 km, +45 m D+), and Road Running 3 km (3 km, +14 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 (chiangmaimarathon.com).

Official website
Chiang Mai Marathon in Chiang Mai (Work: "Mount Fuji from Lake Yamanaka", Photo: Alpsdake, License: CC BY-SA 4.0, Source: Wikimedia Commons)
"Mount Fuji from Lake Yamanaka" · Photo: Alpsdake · Wikimedia CommonsCC BY-SA 4.0
Cropped to 16:9 (960 × 540 px), WebP · Shared under the same license

Event characteristics

City RunCulture & History

Races & distances (4)

CompetitionDisciplineDistanceElevation gainAltitude rangeCourse typeCourse & profile
MarathonRoad Running42.2 km+190 m205 m - 285 mLoop courseRoute & profile
Half MarathonRoad Running21.1 km+95 m208 m - 248 mLoop courseRoute & profile
Road Running 10 kmRoad Running10 km+45 m211 m - 230 mLoop courseRoute & profile
Road Running 3 kmRoad Running3 km+14 m214 m - 220 mLoop courseRoute & profile
Course & Elevation Telemetry

Course route & map

Distance
42.2 km
Elevation gain
+190 m D+
Elevation loss
-190 m D-
Altitude range
205 m - 285 m
Gradient (Avg / Max)
0.9 % / 1.6 %
Course format
Loop course
42.2 km+190 m D+
Start (S)Finish (F)
N10203040FS18.7883° N, 98.9853° E

Elevation profile & course telemetry

Altitude from 205 m to 285 m above sea level (+190 m D+, -190 m D-)

Peak: 285 m·at 16.9 km·Ø 0.9 %
205 m232 m258 m285 m0 km8.4 km16.9 km25.3 km33.8 km42.2 km285 m
Event Information & Answers

Frequently asked questions (FAQ)

When and where does Chiang Mai Marathon take place?

Chiang Mai Marathon takes place in Chiang Mai, Chiang Mai Province, TH (start area at coordinates 18.7883° N, 98.9853° E). The next edition is officially confirmed for December 20, 2026.

What races and distances are offered at Chiang Mai Marathon?

The race program comprises 4 competitions, including Marathon (42.2 km, +190 m D+), Half Marathon (21.1 km, +95 m D+), Road Running 10 km (10 km, +45 m D+), and Road Running 3 km (3 km, +14 m D+). The competitions belong to Road Running.

What is the course layout and elevation profile for Chiang Mai Marathon?

The main competition (Marathon over 42.2 km) is designed as a loop course featuring +190 m of elevation gain and -190 m of elevation loss, ranging between 205 m and 285 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 Chiang Mai Marathon?

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