Month planner

Marathons in December 2026

76 published races in December. Compare the best candidates inside this race window.

76 published races
December active race window

How to read the month view

Month pages are for side-by-side timing comparisons. Open a race page once you need registration details, course notes, field size, or local planning context.

Month results

Published races in December 2026

Stay inside the same month if the race window is fixed, or switch tools below if the next decision is about geography, qualification, or entry type.

🏃 Ireland
Open Dec 1, 2026
Ireland

Antarctic Polar Race

Full Marathon
Certified
Free Open race intelligence
🏃 Barbados
Open Dec 4, 2026
Barbados

Run Barbados Marathon Weekend

Full Marathon
Certified
Free Open race intelligence
🏃 Jordan
Open Dec 4, 2026
Jordan

Ayla Red Sea Half Marathon

Half Marathon
Certified
Free Open race intelligence
🏃 United States
Open Dec 4, 2026
United States

2026 - San Antonio Marathon

Texas Full Marathon, Half Marathon, 5K
Free Open race intelligence
🏃 United States
Open Dec 4, 2026
United States

2026 San Antonio Marathon

Texas Full Marathon, Half Marathon, 5K
Free Open race intelligence
🏃 Memphis
Open Dec 5, 2026
United States

St. Jude Memphis Marathon Weekend

Memphis, Tennessee Full Marathon, Half Marathon, 10K, 5K, Kids' Run
BQ Certified
$65.00 from Open race intelligence
🏃 Boulder
Open Dec 5, 2026
United States

ColderBOLDER 5K

Boulder, Colorado 5K
Certified
$32.00 from Open race intelligence
🏃 Singapore
Open Dec 5, 2026
Singapore

Standard Chartered Singapore Marathon

Singapore Full Marathon, Half Marathon, 10K, 5K, Relay, Kids' Run
BQ Certified
SGD 80.00 from Open race intelligence
🏃 Memphis
Featured Dec 5, 2026
United States

St. Jude Memphis Marathon

Memphis, Tennessee Full Marathon, Half Marathon, 10K
BQ Certified
$75.00 from Open race intelligence
🏃 Kingston
Featured Dec 5, 2026
Jamaica

Reggae Marathon Negril Jamaica

Kingston Full Marathon, Half Marathon, 10K
Certified
$80.00 from Open race intelligence
🏃 United States
Open Dec 5, 2026
United States

2026 Arkansas Grand Prix

Arkansas Full Marathon
Free Open race intelligence
🏃 United States
Open Dec 5, 2026
United States

16th Annual Reindeer Run/Walk

California 10K, 5K, Kids' Run, Virtual
Free Open race intelligence
🏃 United States
Open Dec 5, 2026
United States

2026 Run for the Children 5K 10K and Fun Run

Georgia 10K, 5K, Kids' Run
Free Open race intelligence
🏃 Sacramento
Featured Dec 6, 2026
United States

California International Marathon (CIM)

Sacramento, California Full Marathon, Relay
BQ Certified
$180.00 from Open race intelligence
🏃 San Antonio
Open Dec 6, 2026
United States

San Antonio Marathon

San Antonio, Texas Full Marathon, Half Marathon, 5K
BQ Certified
$45.00 from Open race intelligence
🏃 Valencia
Open Dec 6, 2026
Spain

Maraton Valencia Trinidad Alfonso Zurich

Valencia, Valencian Community Full Marathon
BQ Certified
€80.00 from Open race intelligence
🏃 Naha
Open Dec 6, 2026
Japan

Naha Marathon

Naha, Okinawa Full Marathon
Certified
¥7,800.00 from Open race intelligence
🏃 Shanghai
Open Dec 6, 2026
China

Shanghai Marathon

Shanghai Full Marathon, 10K, 5K
BQ Certified
CNY 100.00 from Open race intelligence
🏃 Shenzhen
Open Dec 6, 2026
China

Shenzhen Marathon

Shenzhen, Guangdong Full Marathon, Half Marathon, 5K
Certified
CNY 100.00 from Open race intelligence
🏃 Ho Chi Minh City
Open Dec 6, 2026
Vietnam

Techcombank Ho Chi Minh City International Marathon

Ho Chi Minh City Full Marathon, Half Marathon, 10K, 5K, Kids' Run
Certified
VND 500,000.00 from Open race intelligence
🏃 Siem Reap
Open Dec 6, 2026
Cambodia

Angkor Wat International Half Marathon

Siem Reap Half Marathon, 10K
Certified
$50.00 from Open race intelligence
🏃 Kingston
Open Dec 6, 2026
Jamaica

Reggae Marathon

Kingston Full Marathon, Half Marathon, 10K
Certified
$50.00 from Open race intelligence
🏃 Tucson
Open Dec 6, 2026
United States

Saguaro National Park Tucson Marathon

Tucson, Arizona Full Marathon, Half Marathon
BQ Certified
$75.00 from Open race intelligence
🏃 Naha
Featured Dec 6, 2026
Japan

Naha Marathon Okinawa

Naha, Okinawa Full Marathon
BQ Certified
¥6,000.00 from Open race intelligence