Marathons in August 2026

56 marathons this month

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🏃 Juneau
Registration Open Aug 1, 2026
United States

Juneau Marathon Alaska

Juneau, Alaska Full Marathon, Half Marathon
Certified 450 runners
$75.00 entry View Details →
🏃
Registration Open Aug 1, 2026
Russia

Siberian International Marathon

Full Marathon
Certified
Free View Details →
🏃
Registration Open Aug 1, 2026
Thailand

Nongkhai Running Festival

Full Marathon
Certified
Free View Details →
🏃
Registration Open Aug 2, 2026
Australia

Sunshine Coast Marathon Festival

Full Marathon
Certified
Free View Details →
🏃
Registration Open Aug 2, 2026
Cambodia

Angkor Empire Marathon

Full Marathon
Certified
Free View Details →
🏃 Crater Lake
Registration Open Aug 8, 2026
United States

Crater Lake Rim Runs & Marathon

Crater Lake, Oregon Full Marathon, 6.7 miles, 13.0 miles
400 runners
$70.00 entry View Details →
🏃 Suva
Registration Open Aug 8, 2026
Fiji

Suva Marathon

Suva Full Marathon, Half Marathon, 10K, Relay
1,500 runners
FJD 30.00 entry View Details →
🏃 Rapid City
Registration Open Aug 8, 2026
United States

Mount Rushmore Marathon & Half

Rapid City, South Dakota Full Marathon, Half Marathon
Certified 1,200 runners
$75.00 entry View Details →
🏃 Crater Lake
Featured Aug 8, 2026
United States

Crater Lake Rim Run Marathon

Crater Lake, Oregon Full Marathon, Half Marathon
Certified 1,300 runners
$85.00 entry View Details →
🏃 Turku
Registration Open Aug 8, 2026
Finland

Paavo Nurmi Marathon Turku

Turku, Southwest Finland Full Marathon, Half Marathon, 10K
BQ Certified 2,700 runners
€60.00 entry View Details →
🏃 Lima
Registration Open Aug 9, 2026
Peru

Maratón Lima 42K

Lima Full Marathon, Half Marathon, 10K
Certified 9,000 runners
PEN 60.00 entry View Details →
🏃 Brisbane
Registration Open Aug 9, 2026
Australia

Brisbane Marathon Festival

Brisbane, Queensland Full Marathon, Half Marathon, 10K, 5K
BQ Certified 10,000 runners
AUD 80.00 entry View Details →
🏃 Medellín
Registration Open Aug 9, 2026
Colombia

Maratón de Medellín

Medellín Full Marathon, Half Marathon
Certified 10,000 runners
COP 80,000.00 entry View Details →
🏃
Registration Open Aug 9, 2026
Colombia

La Carrera del Pacífico - Cali 10K

10K
Certified
Free View Details →
🏃
Registration Open Aug 9, 2026
Malaysia

Sarawak Energy Marathon

Full Marathon
Certified
Free View Details →
🏃
Registration Open Aug 9, 2026
Malaysia

Taiping Half Marathon

Half Marathon
Certified
Free View Details →
🏃
Registration Open Aug 9, 2026
Russia

SPB Half Marathon. The Northern Capital

Half Marathon
Certified
Free View Details →
🏃
Registration Open Aug 9, 2026
Colombia

La Carrera del Pacífico - Cali 10K

10K
Certified
Free View Details →
🏃
Registration Open Aug 14, 2026
Finland

Paavo Nurmi Marathon, Half and 10k

Full Marathon, Half Marathon, 10K
Certified
Free View Details →
🏃
Registration Open Aug 14, 2026
Maldives

Maldives Half Marathon

Half Marathon
Certified
Free View Details →
🏃 Leadville
Featured Aug 15, 2026
United States

Leadville Trail 100 Run

Leadville, Colorado Ultra Marathon, 100 miles (160km)
750 runners
$350.00 entry View Details →
🏃 Helsinki
Registration Open Aug 15, 2026
Finland

Helsinki City Marathon

Helsinki, Uusimaa Full Marathon, Half Marathon
BQ Certified 8,500 runners
€95.00 entry View Details →
🏃 Edmonton
Registration Open Aug 16, 2026
Canada

Servus Edmonton Marathon

Edmonton, Alberta Full Marathon, Half Marathon, 10K, 5K, Kids' Run
BQ Certified 6,000 runners
CAD 90.00 entry View Details →
🏃 Falmouth
Registration Open Aug 16, 2026
United States

Falmouth Road Race

Falmouth, Massachusetts Marathon
Certified 11,000 runners
$25.00 entry View Details →