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Race Overview
The Chiang Mai Marathon starts at Tha Phae Gate in Chiang Mai's old city at 3:00 AM in December. The marathon and half marathon are point to point and finish at the King Naresuan the Great Monument in Mae Rim District, north of the city, with free shuttles back to the gate. The course is flat, and the race site gives race-morning temperatures of 12 to 18 C. The men's course record is 2:27:34, set by Lee Grantham of Great Britain in 2016.
WikipediaFAQ
When is the 2026 Chiang Mai Marathon?
The 2026 Chiang Mai Marathon will be held on Sunday December 20, 2026.
What is the time limit for the Chiang Mai Marathon?
The time limit for the Chiang Mai Marathon is 7 hours.
Chiang Mai Marathon Weather History
Chiang Mai Marathon Weather Averages
Average Temp: 72°, Average Low: 63°, Average High: 83°
| Time | 3AM | 4AM | 5AM | 6AM | 7AM | 8AM | 9AM | 10AM |
|---|---|---|---|---|---|---|---|---|
| Temp | 65° | 66° | 65° | 64° | 65° | 67° | 70° | 73° |
| Feel | 65° | 66° | 65° | 64° | 65° | 67° | 70° | 73° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 2mph | 1mph | 2mph | 3mph | 3mph | 3mph | 2mph | 4mph |
| Dew | 61° | 61° | 61° | 61° | 61° | 62° | 62° | 62° |
| RunScore |  | | | | | |  | |
Chiang Mai Marathon 2025
Dec 21, 2025
Partly cloudy throughout the day.
Low: 63°, High: 82°
| Time | 3AM | 4AM | 5AM | 6AM | 7AM | 8AM | 9AM | 10AM |
|---|---|---|---|---|---|---|---|---|
| Temp | 63° | 63° | 63° | 64° | 64° | 66° | 68° | 73° |
| Feel | 63° | 63° | 63° | 64° | 64° | 66° | 68° | 73° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 0mph | 0mph | 3mph | 3mph | 2mph | 2mph | 2mph | 5mph |
| Dew | 59° | 61° | 61° | 61° | 61° | 61° | 63° | 61° |
| RunScore | | |  | | | | | |
Chiang Mai Marathon 2024
Dec 22, 2024
Partly cloudy throughout the day.
Low: 63°, High: 81°
| Time | 3AM | 4AM | 5AM | 6AM | 7AM | 8AM | 9AM | 10AM |
|---|---|---|---|---|---|---|---|---|
| Temp | 63° | 64° | 64° | 64° | 63° | 64° | 70° | 73° |
| Feel | 63° | 64° | 64° | 64° | 63° | 64° | 70° | 73° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 2mph | 0mph | 1mph | 2mph | 3mph | 3mph | 1mph | 2mph |
| Dew | 61° | 61° | 61° | 61° | 61° | 63° | 63° | 63° |
| RunScore | | | | | | | | |
Chiang Mai Marathon 2023
Dec 17, 2023
Partly cloudy throughout the day.
Low: 66°, High: 88°
| Time | 3AM | 4AM | 5AM | 6AM | 7AM | 8AM | 9AM | 10AM |
|---|---|---|---|---|---|---|---|---|
| Temp | 68° | 68° | 66° | 66° | 68° | 70° | 75° | 77° |
| Feel | 68° | 68° | 66° | 66° | 68° | 70° | 75° | 77° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 1mph | 1mph | 1mph | 1mph | 2mph | 2mph | 0mph | 3mph |
| Dew | 64° | 64° | 64° | 64° | 64° | 66° | 66° | 66° |
| RunScore | | | | | | | | |
Chiang Mai Marathon 2022
Dec 18, 2022
Partly cloudy throughout the day.
Low: 68°, High: 77°
| Time | 3AM | 4AM | 5AM | 6AM | 7AM | 8AM | 9AM | 10AM |
|---|---|---|---|---|---|---|---|---|
| Temp | 75° | 73° | 73° | 72° | 72° | 72° | 72° | 72° |
| Feel | 75° | 73° | 73° | 72° | 72° | 72° | 72° | 72° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 11mph | 5mph | 13mph | 13mph | 12mph | 13mph | 13mph | 13mph |
| Dew | 61° | 61° | 59° | 57° | 57° | 57° | 55° | 55° |
| RunScore | | | | | | | | |
Chiang Mai Marathon 2021
Dec 19, 2021
Partly cloudy throughout the day.
Low: 66°, High: 79°
| Time | 3AM | 4AM | 5AM | 6AM | 7AM | 8AM | 9AM | 10AM |
|---|---|---|---|---|---|---|---|---|
| Temp | 68° | 68° | 68° | 66° | 66° | 68° | 70° | 72° |
| Feel | 68° | 68° | 68° | 66° | 66° | 68° | 70° | 72° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 0mph | 2mph | 3mph | 3mph | 3mph | 2mph | 2mph | 3mph |
| Dew | 63° | 63° | 64° | 64° | 64° | 64° | 64° | 64° |
| RunScore | | | | | | | | |
Chiang Mai Marathon 2019
Dec 22, 2019
Clear conditions throughout the day.
Low: 61°, High: 89°
| Time | 3AM | 4AM | 5AM | 6AM | 7AM | 8AM | 9AM | 10AM |
|---|---|---|---|---|---|---|---|---|
| Temp |  64° | 63° | 61° | 61° | 61° | 66° | 70° | 75° |
| Feel | 64° | 63° | 61° | 61° | 61° | 66° | 70° | 75° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 0mph | 0mph | 0mph | 0mph | 0mph | 0mph | 0mph | 0mph |
| Dew | 59° | 61° | 59° | 59° | 59° | 61° | 63° | 63° |
| RunScore | | | | | | | | |
Chiang Mai Marathon 2018
Dec 23, 2018
Partly cloudy throughout the day.
Low: 63°, High: 88°
| Time | 3AM | 4AM | 5AM | 6AM | 7AM | 8AM | 9AM | 10AM |
|---|---|---|---|---|---|---|---|---|
| Temp | 64° | 64° | 64° | 63° | 63° | 68° | 72° | 75° |
| Feel | 64° | 64° | 64° | 63° | 63° | 68° | 72° | 75° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 0mph | 0mph | 0mph | 0mph | 0mph | 0mph | 3mph | 5mph |
| Dew | 63° | 63° | 63° | 63° | 63° | 63° | 64° | 64° |
| RunScore | | | | | | | | |
Chiang Mai Marathon 2017
Dec 24, 2017
Clear conditions throughout the day.
Low: 57°, High: 84°
| Time | 3AM | 4AM | 5AM | 6AM | 7AM | 8AM | 9AM | 10AM |
|---|---|---|---|---|---|---|---|---|
| Temp | 59° | 59° | 57° | 57° |  57° | 61° | 64° | 70° |
| Feel | 59° | 59° | 57° | 57° | 57° | 61° | 64° | 70° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 0mph | 0mph | 0mph | 0mph | 0mph | 0mph | 0mph | 3mph |
| Dew | 57° | 55° | 54° | 55° | 55° | 57° | 57° | 57° |
| RunScore | | | | | | | | |
Chiang Mai Marathon 2016
Dec 18, 2016
Partly cloudy throughout the day.
Low: 65°, High: 79°
| Time | 3AM | 4AM | 5AM | 6AM | 7AM | 8AM | 9AM | 10AM |
|---|---|---|---|---|---|---|---|---|
| Temp | 65° | 68° | 68° | 68° | 68° | 70° | 72° | 73° |
| Feel | 65° | 68° | 68° | 68° | 68° | 70° | 72° | 73° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 3mph | 0mph | 0mph | 2mph | 0mph | 0mph | 0mph | 0mph |
| Dew | 65° | 64° | 64° | 64° | 64° | 64° | 64° | 65° |
| RunScore | | | | | | | | |