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1,402 marathons found for 5K, United States. Keep the list broad first, then tighten the filters when a race looks realistic.





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San Francisco, California, United States
13MAR
ULTRA
Zoom San Francisco
San Francisco, California, United States
March 13, 2027 MAR
West Sacramento, California, United States
14MAR
21.1K
Shamrock'n Weekend
West Sacramento, California, United States
March 14, 2027 MAR
Hilo, Hawaii, United States
14MAR
42.2K
Big Island International Marathon 2027
Hilo, Hawaii, United States
March 14, 2027 MAR
Long Beach, California, United States
14MAR
ULTRA
The Long Beach Leprechaun Run - Kids Dash, 1 Miler, 5k, 10K, & Half Marathon by Califlow Runs
Long Beach, California, United States
March 14, 2027 MAR
Sunrise, Florida, United States
20MAR
21.1K
9th Annual - Sunrise Half Marathon & 5k | ELITE EVENTS
Sunrise, Florida, United States
March 20, 2027 MAR
Annapolis, Maryland, United States
20MAR
21.1K
Annapolis Running Festival
Annapolis, Maryland, United States
March 20, 2027 MAR
Long Beach, California, United States
20MAR
21.1K
Beer City Half™ Long Beach
Long Beach, California, United States
March 20, 2027 MAR
Fort Bragg, California, United States
20MAR
42.2K
Fort Bragg Whale Run and Walk
Fort Bragg, California, United States
March 20, 2027 MAR
Columbus, Georgia, United States
20MAR
ULTRA
Heroes of America Marathon/Half Marathon/5K
Columbus, Georgia, United States
March 20, 2027 MAR
Liberty, Missouri, United States
20MAR
ULTRA
RUN Liberty
Liberty, Missouri, United States
March 20, 2027 MAR
Albuquerque, New Mexico, United States
20MAR
42.2K
Run with Joy Half Marathon/10k/5k and 1 Miler
Albuquerque, New Mexico, United States
March 20, 2027 MAR
San Diego, California, United States
21MAR
21.1K
GOVX San Diego Half Marathon & 5K
San Diego, California, United States
March 21, 2027 MAR
Oakland, California, United States
21MAR
42.2K
Oakland Marathon
Oakland, California, United States
March 21, 2027 MAR
Clermont, Florida, United States
21MAR
21.1K
AdventHealth Lake Minneola Half Marathon, 10K and 5K
Clermont, Florida, United States
March 21, 2027 MAR
Golden, Colorado, United States
21MAR
21.1K
All-Out Spring Fever
Golden, Colorado, United States
March 21, 2027 MAR
Somerset, New Jersey, United States
21MAR
21.1K
Garden State 10 Miler & Cookie Chase 5k
Somerset, New Jersey, United States
March 21, 2027 MAR
Huntsville, Alabama, United States
21MAR
42.2K
Race to Space Marathon & Half Marathon
Huntsville, Alabama, United States
March 21, 2027 MAR
West Jordan, Utah, United States
27MAR
21.1K
Eggs Legs Half Marathon, 10K, 5K
West Jordan, Utah, United States
March 27, 2027 MAR
Keller, Texas, United States
27MAR
ULTRA
Keller Relays
Keller, Texas, United States
March 27, 2027 MAR
Mountain View, Arkansas, United States
27MAR
42.2K
Mission Run in the Ozarks 5K, Half, and Full Marathon
Mountain View, Arkansas, United States
March 27, 2027 MAR
Greensboro, North Carolina, United States
27MAR
21.1K
Only Fools Run Half Marathon, 10K, and 5K
Greensboro, North Carolina, United States
March 27, 2027 MAR
Tulsa, Oklahoma, United States
27MAR
21.1K
T-TOWN Half Marathon
Tulsa, Oklahoma, United States
March 27, 2027 MAR
Fremont, California, United States
27MAR
21.1K
Western Pacific 2027
Fremont, California, United States
March 27, 2027 MAR
Silver Springs, Florida, United States
28MAR
21.1K
AdventHealth Silver Springs Half Marathon, 10K & 5K
Silver Springs, Florida, United States
March 28, 2027 MAR

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