Upcoming Races Near Collinsville, IL in March, 2026

START 5K & 10K

Saint Louis, MO

Saturday, March 7th, 2026

Featured

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11th Annual Holy Infant Shamrock Shuffle

Ballwin, MO

Saturday, March 7th, 2026

5K

1 Mile

View details for race 11th Annual Holy Infant Shamrock Shuffle

Michelob ULTRA St. Patrick's Day Parade Run

St. Louis, MO

Saturday, March 14th, 2026

5K

View details for race Michelob ULTRA St. Patrick's Day Parade Run

Waterloo Citizens for a Pool St. Paddy's Day 5K

Waterloo, IL

Saturday, March 14th, 2026

5K

View details for race Waterloo Citizens for a Pool St. Paddy's Day 5K

Chesterfield Shamrock 5k/10k & Leprechaun Fun Run

Chesterfield, MO

Saturday, March 14th, 2026

5K

10K

1 Mile

View details for race Chesterfield Shamrock 5k/10k & Leprechaun Fun Run

Defiance St. Patricks Day 5k

Defiance, MO

Saturday, March 14th, 2026

5K

Trail

View details for race Defiance St. Patricks Day 5k

Lucky Leprechaun 5K and Kids Rainbow Dash

Belleville, IL

Saturday, March 14th, 2026

5K

View details for race Lucky Leprechaun 5K and Kids Rainbow Dash

Castle Ridge Shamrock Shuffle 5K

Centralia, IL

Saturday, March 14th, 2026

5K

View details for race Castle Ridge Shamrock Shuffle 5K

Wash U Olin Veterans Association Run

Saint Louis, MO

Saturday, March 14th, 2026

1 Mile

5K

View details for race Wash U Olin Veterans Association Run

The Saint PATRICKS day 5K/10K Fun Run

Grover, MO

Saturday, March 14th, 2026

View details for race The Saint PATRICKS day 5K/10K Fun Run

Creve Coeur St. Paddy's Half Marathon, 10K & 5K...

Maryland Heights, MO

Saturday, March 14th, 2026

Half

10K

5K

View details for race Creve Coeur St. Paddy's Half Marathon, 10K & 5K Run/Walk

Florissant St. Patrick's Day 5K Run

Florissant, MO

Sunday, March 15th, 2026

5K

View details for race Florissant St. Patrick's Day 5K Run

American Bottoms 100

Columbia, IL

Saturday, March 21st, 2026

Trail

Fast

View details for race American Bottoms 100

Go Green St. Paddy's Day Run

Maryland Heights, MO

Saturday, March 21st, 2026

1 Mile

5K

10K

View details for race Go Green St. Paddy's Day Run

Time to Paddy 5k/10k & Lucky 13.1 - St Louis

St Louis, MO

Sunday, March 22nd, 2026

5K

10K

Half

View details for race Time to Paddy 5k/10k & Lucky 13.1 - St Louis

Time to Paddy 5k/10k & Lucky 13.1 - St Louis

St Peters, MO

Sunday, March 22nd, 2026

5K

10K

Half

View details for race Time to Paddy 5k/10k & Lucky 13.1 - St Louis

Glendale, MO Firehouse Run

Saint Louis, MO

Saturday, March 28th, 2026

5K

10K

1 Mile

View details for race Glendale, MO Firehouse Run

Schon Park 3/6/9 Endurance Runs

Glen Carbon, IL

Saturday, March 28th, 2026

View details for race Schon Park 3/6/9 Endurance Runs

Explore more in Collinsville, IL

Distances:

5K 10K Half Marathon Marathon

Months:

March April May

Tags:

Trail Boston Qualifiers Fast Courses

State:

All Illinois races

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