Half-Marathon races in Missouri, United States — 2026 running calendar

Spooky Sprint - Springfield

Willard, Missouri, United States

Oct 4, 2026 (Sun)

$22.00 - $54.00

Running

1.6K 5K 10K Half-Marathon

Haunted 5K, 10K, & 13.1M at Branson, MO (41)

Branson, Missouri, United States

Oct 10, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Coffee Lovers Run 5K/10K/13.1 KANSAS CITY

Kansas City, Missouri, United States

Oct 10, 2026 (Sat) – Nov 28, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

MIDNIGHT Rat Race - UNSANCTIONED

Springfield, Missouri, United States

Oct 16, 2026 (Fri)

$55.00

Running

Half-Marathon

Garmin Kansas City Marathon

Kansas City, Missouri, United States

Oct 17, 2026 (Sat)

$50.00 - $130.00

Running

Marathon Half-Marathon 10K 5K +4

The Great GO! St. Louis Halloween Race

Saint Louis, Missouri, United States

Oct 24, 2026 (Sat) – Oct 25, 2026

$20.00 - $75.00

Running

5K 1.6K Half-Marathon 10K +4

Spooky Sprint- St. Louis

Saint Louis, Missouri, United States

Oct 24, 2026 (Sat)

$22.00 - $62.00

Running

1.6K 5K 10K Half-Marathon

The Innsbrook Half Marathon & 10k

Innsbrook, Missouri, United States

Oct 24, 2026 (Sat)

$45.00 - $65.00

Running

Half-Marathon 10K

Spooky Sprint - Kansas City

Lee's Summit, Missouri, United States

Oct 25, 2026 (Sun)

$22.00 - $60.00

Running

1.6K 5K 10K Half-Marathon

Medal Madness 5K, 10K, & 13.1M at Kansas City, MO (44)

Kansas City, Missouri, United States

Oct 31, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Halloween Trick or Trot Run 5K/10K/13.1 KANSAS CITY

Kansas City, Missouri, United States

Oct 31, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

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

Kansas City, Missouri, United States

Oct 31, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2