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Half marathons in October 2026

47 half marathons in October 2026.

46 cities
Busiest: October
From €4
See all 47 races
Distance
5K races10K racesHalf marathonsMarathonsUltramarathons
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See all 47 races
Upcoming races
Halloween Half Marathon
Half Marathon

Halloween Half Marathon

Cork, Ireland
Oct 30·In 2 days·Registration TBC
PB&J Fuel Run 5K/10K/13.1 San Antonio - Half Marathon

PB&J Fuel Run 5K/10K/13.1 San Antonio

San Antonio, USA
Oct 31·This weekend
Haunted Half Marathon - 13.1mi

Haunted Half Marathon

Kingsport, USA
Oct 31·This weekend·Free
PB&J Fuel Run 5K/10K/13.1 PHILADELPHIA - Half Marathon

PB&J Fuel Run 5K/10K/13.1 PHILADELPHIA

Philadelphia, USA
Oct 31·This weekend·Closes Oct 31·From €34
Mugdock Country Park Running Festival - Half Marathon

Mugdock Country Park Running Festival

Glasgow, United Kingdom
Oct 31·This weekend·From €11
Dalmeny Halloween Trail Half - Half Marathon
Half Marathon

Dalmeny Halloween Trail Half

South Queensferry, United Kingdom
Oct 31·This weekend·From €32
Russian North Half Marathon - 21.1 km

Russian North Half Marathon

Кириллов, Russia
Oct 31·This weekend
PB&J Fuel Run 5K/10K/13.1 TAMPA - Half Marathon

PB&J Fuel Run 5K/10K/13.1 TAMPA

Tampa, USA
Oct 31·This weekend·Closed·From €25
PB&J Fuel Run 5K/10K/13.1 NEW JERSEY - Half Marathon

PB&J Fuel Run 5K/10K/13.1 NEW JERSEY

Camden, USA
Oct 31·This weekend
La Coulonnoise - Half Marathon

La Coulonnoise

Coulogne, France
Oct 31·This weekend
Medal Madness 5K, 10K, & 13.1M at Montgomery, AL (44) - Half Marathon

Medal Madness 5K, 10K, & 13.1M at Montgomery, AL (44)

Montgomery, USA
Oct 31·This weekend·From €4
PB&J Fuel Run 5K/10K/13.1 SACRAMENTO - Half Marathon

PB&J Fuel Run 5K/10K/13.1 SACRAMENTO

Sacramento, USA
Oct 31·This weekend
Florida Halloween Distance Classic - Half Marathon

Florida Halloween Distance Classic

St. Petersburg, USA
Oct 31·This weekend·From €43
Devon Trail Races - Half Marathon Canicross

Devon Trail Races

Lifton, United Kingdom
Oct 31·This weekend·From €28
Saut'Trail 2026, Verberie (Oise) - 21K

Saut'Trail 2026, Verberie (Oise)

Verberie, France
Oct 31·This weekend·Registration TBC·From €8
Les Foulées des Flotteurs - Half Marathon

Les Foulées des Flotteurs

Clamecy, France
Oct 31·This weekend·Registration TBC·From €10
PB&J Fuel Run 5K/10K/13.1 - 13.1M

PB&J Fuel Run 5K/10K/13.1

Del Valle, USA
Oct 31·This weekend·From €30
Beiuș Running Day 2026 - Half Marathon

Beiuș Running Day 2026

Beiuș, Romania
Oct 31·This weekend
PB&J Fuel Run 5K/10K/13.1 SAN DIEGO - Half Marathon

PB&J Fuel Run 5K/10K/13.1 SAN DIEGO

San Diego, USA
Oct 31·This weekend
Medal Madness 5K, 10K, & 13.1M at Katy, TX (44)

Medal Madness 5K, 10K, & 13.1M at Katy, TX (44)

Katy, USA
Oct 31·This weekend·From €4
PB&J Fuel Run 5K/10K/13.1 MIAMI

PB&J Fuel Run 5K/10K/13.1 MIAMI

Key Biscayne, USA
Oct 31·This weekend
Round the Vines - Half Marathon

Round the Vines

Martinborough, New Zealand
Oct 31·This weekend·From €17
Salute to Veterans 5K/10K/Half Marathon - Tucson

Salute to Veterans 5K/10K/Half Marathon - Tucson

Tucson, USA
Oct 31·This weekend·Free
DARK SKIES RUN @ WOOLER - Half Marathon

DARK SKIES RUN @ WOOLER

Wooler, United Kingdom
Oct 31·This weekend·From €34
PB&J Fuel Run 5K/10K/13.1 San Francisco - Half Marathon

PB&J Fuel Run 5K/10K/13.1 San Francisco

San Francisco, USA
Oct 31·This weekend
Spooky Sprint - Colorado Springs - Half Marathon

Spooky Sprint - Colorado Springs

Colorado Springs, USA
Oct 31·This weekend·From €15
Happy Halloween 5k, 10k, 15k, Half Marathon

Happy Halloween 5k, 10k, 15k, Half Marathon

Long Beach, USA
Oct 31·This weekend·Registration TBC
Spooky Sprint- Dallas - Half Marathon

Spooky Sprint- Dallas

Garland, USA
Oct 31·This weekend·From €13
The Stone Circle Marathon - Half Marathon
Half Marathon

The Stone Circle Marathon

Gargrave, United Kingdom
Oct 31·This weekend·Closed·From €25
Hot Cider Hustle - Grand Rapids Half Marathon, 10K & 5K - 13.1 mi

Hot Cider Hustle - Grand Rapids Half Marathon, 10K & 5K

Walker, USA
Oct 31·This weekend
Mountain Races - Mountain do Chapada dos Veadeiros - 21km

Mountain Races - Mountain do Chapada dos Veadeiros

Alto Paraíso de Goiás, Brazil
Oct 31·This weekend
Parramatta Race Series 2026 - Race 3 - Half Marathon

Parramatta Race Series 2026 - Race 3

Silverwater, Australia
Oct 31·This weekend·Closed·From €18
Medal Madness 5K, 10K & 13.1M at Panama City Beach, FL (44) - Half Marathon

Medal Madness 5K, 10K & 13.1M at Panama City Beach, FL (44)

Panama City Beach, USA
Oct 31·This weekend
MR Half Marathon - Half Marathon (21 km)

MR Half Marathon

Morgantown, USA
Oct 31·This weekend·Registration TBC
Rugged Raukawa - 21K

Rugged Raukawa

Raukawa, Hastings, New Zealand
Oct 31·This weekend
PB&J Fuel Run 5K/10K/13.1 LOS ANGELES - Half Marathon

PB&J Fuel Run 5K/10K/13.1 LOS ANGELES

Los Angeles, USA
Oct 31·This weekend
PB&J Fuel Run 5K/10K/13.1 DENVER/AURORA

PB&J Fuel Run 5K/10K/13.1 DENVER/AURORA

Centennial, USA
Oct 31·This weekend
Clyde Classic Half Marathon, 10K & 5K

Clyde Classic Half Marathon, 10K & 5K

Clyde, New Zealand
Oct 31·This weekend·From €20
PB&J Fuel Run 5K/10K/13.1 DALLAS FORT WORTH - Half Marathon

PB&J Fuel Run 5K/10K/13.1 DALLAS FORT WORTH

Fort Worth, USA
Oct 31·This weekend·Closed·From €26
Medal Madness 5K, 10K, & 13.1M at Slidell, LA (44)

Medal Madness 5K, 10K, & 13.1M at Slidell, LA (44)

Slidell, USA
Oct 31·This weekend
PB&J Fuel Run 5K/10K/13.1 ATLANTA - Half Marathon

PB&J Fuel Run 5K/10K/13.1 ATLANTA

Atlanta, USA
Oct 31·This weekend
The Long Beach Halloween Run 5K, 10K, Half Marathon by Califlow Runs

The Long Beach Halloween Run 5K, 10K, Half Marathon by Califlow Runs

Long Beach, USA
Oct 31·This weekend·Registration TBC
Las Murallas Pamplona-Iruña - 21K

Las Murallas Pamplona-Iruña

Pamplona, Spain
Oct 31·This weekend·Closes Oct 30·From €25
Night Runner Delamere Forest - Half Marathon

Night Runner Delamere Forest

Delamere, United Kingdom
Oct 31·This weekend·Closes Oct 30·From €37
Medal Madness 5K & 13.1M at - Half Marathon

Medal Madness 5K & 13.1M at

Wilmington, USA
Oct 31·This weekend·From €4
Runtastic HAUNTED Provo - Half Marathon (Paced)

Runtastic HAUNTED Provo

Provo, USA
Oct 31·This weekend·Closes Oct 31·From €11
Salute to Veterans 5K/10K/Half Marathon - Shreveport - Half Marathon Active Duty

Salute to Veterans 5K/10K/Half Marathon - Shreveport

Bossier City, USA
Oct 31·This weekend·From €22

Your guide to half marathons in October 2026

There are 47 upcoming half marathons in October 2026, spread across 46 cities. Filter by distance or terrain to narrow things down, and save the races you like the look of.

Most take place in October. Next up is Halloween Half Marathon in Cork on 30 October 2026.

Questions runners ask

How many half marathons in October 2026 are there?

Finndu lists 47 upcoming half marathons in October 2026, across 46 towns and cities. The list is updated twice a day as organisers announce new races.

When is the next one?

Halloween Half Marathon in Cork, on 30 October 2026.

How much does it cost to enter?

Entry starts from US$5. Fees vary from race to race, so check each race page for its current price.

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