Marathons in December 2026

56 marathons this month

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🏃
Registration Open Dec 1, 2026
Ireland

Antarctic Polar Race

Full Marathon
Certified
Free View Details →
🏃
Registration Open Dec 4, 2026
Barbados

Run Barbados Marathon Weekend

Full Marathon
Certified
Free View Details →
🏃
Registration Open Dec 4, 2026
Jordan

Ayla Red Sea Half Marathon

Half Marathon
Certified
Free View Details →
🏃 Memphis
Registration Open Dec 5, 2026
United States

St. Jude Memphis Marathon Weekend

Memphis, Tennessee Full Marathon, Half Marathon, 10K, 5K, Kids' Run
BQ Certified 22,000 runners
$65.00 entry View Details →
🏃 Boulder
Registration Open Dec 5, 2026
United States

ColderBOLDER 5K

Boulder, Colorado 5K
Certified 2,500 runners
$32.00 entry View Details →
🏃 Singapore
Registration Open Dec 5, 2026
Singapore

Standard Chartered Singapore Marathon

Singapore Full Marathon, Half Marathon, 10K, 5K, Relay, Kids' Run
BQ Certified 50,000 runners
SGD 80.00 entry View Details →
🏃 Memphis
Featured Dec 5, 2026
United States

St. Jude Memphis Marathon

Memphis, Tennessee Full Marathon, Half Marathon, 10K
BQ Certified 24,000 runners
$75.00 entry View Details →
🏃 Kingston
Featured Dec 5, 2026
Jamaica

Reggae Marathon Negril Jamaica

Kingston Full Marathon, Half Marathon, 10K
Certified 2,500 runners
$80.00 entry View Details →
🏃 Sacramento
Featured Dec 6, 2026
United States

California International Marathon (CIM)

Sacramento, California Full Marathon, Relay
BQ Certified 9,000 runners
$180.00 entry View Details →
🏃 San Antonio
Registration Open Dec 6, 2026
United States

San Antonio Marathon

San Antonio, Texas Full Marathon, Half Marathon, 5K
BQ Certified 18,000 runners
$45.00 entry View Details →
🏃 Valencia
Registration Open Dec 6, 2026
Spain

Maraton Valencia Trinidad Alfonso Zurich

Valencia, Valencian Community Full Marathon
BQ Certified 30,000 runners
€80.00 entry View Details →
🏃 Naha
Registration Open Dec 6, 2026
Japan

Naha Marathon

Naha, Okinawa Full Marathon
Certified 25,000 runners
¥7,800.00 entry View Details →
🏃 Shanghai
Registration Open Dec 6, 2026
China

Shanghai Marathon

Shanghai Full Marathon, 10K, 5K
BQ Certified 38,000 runners
CNY 100.00 entry View Details →
🏃 Shenzhen
Registration Open Dec 6, 2026
China

Shenzhen Marathon

Shenzhen, Guangdong Full Marathon, Half Marathon, 5K
Certified 25,000 runners
CNY 100.00 entry View Details →
🏃 Ho Chi Minh City
Registration 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 14,000 runners
VND 500,000.00 entry View Details →
🏃 Siem Reap
Registration Open Dec 6, 2026
Cambodia

Angkor Wat International Half Marathon

Siem Reap Half Marathon, 10K
Certified 8,000 runners
$50.00 entry View Details →
🏃 Kingston
Registration Open Dec 6, 2026
Jamaica

Reggae Marathon

Kingston Full Marathon, Half Marathon, 10K
Certified 2,500 runners
$50.00 entry View Details →
🏃 Tucson
Registration Open Dec 6, 2026
United States

Saguaro National Park Tucson Marathon

Tucson, Arizona Full Marathon, Half Marathon
BQ Certified 3,200 runners
$75.00 entry View Details →
🏃 Naha
Featured Dec 6, 2026
Japan

Naha Marathon Okinawa

Naha, Okinawa Full Marathon
BQ Certified 28,000 runners
¥6,000.00 entry View Details →
🏃 Kolkata
Registration Open Dec 6, 2026
India

Tata Steel Kolkata 25K

Kolkata, West Bengal 25K
Certified 18,000 runners
₹500.00 entry View Details →
🏃 Bridgetown
Registration Open Dec 6, 2026
Barbados

Run Barbados Marathon Weekend

Bridgetown Full Marathon, Half Marathon, 5K
BQ Certified 2,500 runners
$80.00 entry View Details →
🏃 Accra
Registration Open Dec 6, 2026
Ghana

Access Bank Accra Marathon

Accra, Greater Accra Full Marathon, Half Marathon, 10K
Certified 4,500 runners
$50.00 entry View Details →
🏃 Fukuoka
Featured Dec 6, 2026
Japan

Fukuoka International Marathon

Fukuoka Full Marathon
Certified 18,000 runners
¥5,000.00 entry View Details →
🏃
Registration Open Dec 6, 2026
Costa Rica

San José Costa Rica 10K, Half & Marathon

Full Marathon, Half Marathon, 10K
Certified
Free View Details →