Races in May 2027
129 races in May across our ten cities, grouped by city and listed by date.
Oct 2026Nov 2026Dec 2026Jan 2027Feb 2027Mar 2027Apr 2027May 2027Jun 2027Jul 2027Aug 2027Sep 2027
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Miwok 100K Trail Race presented by The North Face
Sat May 1 · 5:00 AM · Stinson Beach · Marin
100KTrail
from $310Reg. closed -
Run for Chocolate 5k/10k/13.1 San Francisco
Sat May 8 · 7:30 AM · San Francisco · San Francisco
1 mile5K10KHalf marathon
from $30 -
Grizzly Peak Trail Run
Sat May 8 · 7:50 AM · Berkeley · East Bay
2 miles10KHalf marathon30KMarathon50KTrail
from $60Goes up May 2 -
from $10Goes up May 3
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from $45Goes up Mar 8
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from $20Goes up Mar 1
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from $45Reg. closed
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see site
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from $45Reg. closed
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Diablo Trail Run
Sun May 23 · 7:50 AM · Clayton · East Bay
2 miles4 miles10 milesHalf marathonMarathon30.4 milesTrail
from $50Goes up May 17 -
SuperHeroes Run San Francisco
Sat May 29 · 7:30 AM · San Francisco · San Francisco
1 mile5K10KHalf marathon
from $30 -
Beer City Half™ San Jose
Sat May 29 · 8:30 AM · San Jose · South Bay & San Jose
1 mile5K10KHalf marathonTrail
from $30Goes up Dec 28
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Reg. closed
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Stony Point PAL Color Run/Walk 5K & Family Fun Event!
Sun May 2 · 8:00 AM · Stony Point · Westchester & Hudson Valley
5K
from $15Reg. closed -
from $65Goes up Dec 29
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from $25Goes up Apr 1
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from $32Goes up Nov 14
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Run for Chocolate 5k/10k/13.1 NYC
Sat May 8 · 7:30 AM · New York City · Manhattan
1 mile5K10KHalf marathon
from $30 -
Run Rockaway Beach Nyc Mother'S Day Half Marathon 5k & 1 Mile Walk
Sat May 8 · 9:00 AM · Rockaway Beach · Queens
1 mile5KHalf marathon
from $45Goes up Mar 11 -
from $36Goes up Apr 23
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from $50
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The Caldwell Classic 5k Run/Walk & Family Fun Run
Sat May 15 · 7:00 AM · West Caldwell · New Jersey
1 mile5K
from $25Goes up Apr 11 -
from $10Reg. closed
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The Jersey City Spring Half Marathon, 10K, 5K
Sun May 16 · 8:30 AM · Jersey City · New Jersey
5K10KHalf marathon
from $50 -
from $35Goes up Nov 5
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from $50Goes up Apr 30
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Spring Run The Farm
Sun May 23 · 8:30 AM · Katonah · Westchester & Hudson Valley
1.1 miles5 milesTrail
from $20Goes up Feb 7 -
Reg. closed
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from $30
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SuperHeroes Run NYC Central
Sat May 29 · 7:30 AM · New York City · Manhattan
1 mile5K10KHalf marathon
from $30 -
Rockin' Breakfast Run 5K - Step Up for The Arc of Somerset County!
Sat May 29 · 9:00 AM · Bridgewater Township · New Jersey
5K
from $30Reg. closed
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Run, Fiesta, Repeat - Cinco de Mayo 5K, 10K, & Half Marathon
Sat May 1 · 7:00 AM · Long Beach · South Bay & Long Beach
5K10KHalf marathon
from $24.99 -
Santa Clarita Trail Race
Sat May 1 · 8:00 AM · Santa Clarita · San Fernando Valley
5K10K15K30K60KTrail
from $80Goes up Dec 15 -
SoCal's Cinco De Miles 5K and 5 Mile
Sat May 1 · 8:00 AM · Huntington Beach · Orange County
1 mile5K5 miles
from $28Goes up Jan 5 -
from $35Reg. closed
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from $45Goes up Nov 14
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May the 4th be with You- The Empire Strides Back 5K, 10K, & Half Marathon by Califlow Runs
Sun May 2 · 7:00 AM · Long Beach · South Bay & Long Beach
1 mile5K10KHalf marathon
from $25Goes up Apr 21 -
Run for Chocolate 5k/10k/13.1 LOS Angeles
Sat May 8 · 7:30 AM · Los Angeles · Westside & Beaches
1 mile5K10KHalf marathon
from $30 -
from $10Reg. closed
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Long Beach Mother's Day Bloom & Zoom 5K, 10K, Half Marathon by Califlow Runs
Sun May 9 · 7:00 AM · Long Beach · South Bay & Long Beach
1 mile5K10KHalf marathon
from $22.99Goes up Feb 20 -
Jed & Ted’s Bill & Ted’s Excellent Race 5K & 10K
Sat May 15 · 7:00 AM · Canoga Park · San Fernando Valley
5K10K
from $34.99 -
from $40Goes up Nov 9
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from $30Reg. closed
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KID-FIT Family Fun Run 5K & 1K - All Ages
Sat May 15 · 8:30 AM · South El Monte · Pasadena & San Gabriel Valley
1K5KTrail
from $29Goes up May 10 -
La Llorona Run 5K 10K Half by Califlow Runs
Sun May 16 · 8:00 AM · Long Beach · South Bay & Long Beach
5K
from $46.99 -
SoCal's Pirate's 5k/10k Run/Walk
Sat May 22 · 7:30 AM · Huntington Beach · Orange County
1 mile5K10K
from $30Goes up May 20 -
Tscl 5th Annual Mental Health 5K Run & Walk
Sat May 22 · 8:00 AM · Claremont · Pasadena & San Gabriel Valley
5K
from $15Reg. closed -
SuperHeroes Run LOS Angeles
Sat May 29 · 7:30 AM · Los Angeles · Westside & Beaches
1 mile5K10KHalf marathon
from $30 -
44th Annual Providence Saint John's Health Center Brentwood Run
Sun May 30 · 7:30 AM · Los Angeles · Central LA
1K5K10K
from $10Goes up Mar 10 -
from $25Goes up Oct 19
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Northern Illinois Food Bank's Fight Hunger 5K I 10K I 1-Mile
Sat May 1 · 8:30 AM · Wheaton · West Suburbs
1 mile5K10K
from $30Goes up Jan 1 -
Reg. closed
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Chicagoland Spring Marathon, Half Marathon & 10K
Sun May 2 · 7:15 AM · Schaumburg · West Suburbs
10KHalf marathonMarathon
from $39.99 -
from $35Reg. closed
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Hometown Half Marathon/5K/10K - Greater Chicago
Sat May 8 · 7:00 AM · Chicago · Chicago (city)
1 mile5K10KHalf marathon
from $22Goes up Nov 10 -
F^3 Cap Sauers Trail Marathon & 10 Mile
Sat May 8 · 7:30 AM · Palos Hills · South Suburbs
10 milesMarathonTrail
from $75Goes up Nov 9 -
from $40Reg. closed
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Run for Chocolate 5k/10k/13.1 Chicago/Evanston
Sat May 8 · 7:30 AM · Chicago · Chicago (city)
1 mile5K10KHalf marathon
from $30 -
from $25Reg. closed
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Barrington Mother's Day 5K Run/Walk
Sun May 9 · 7:40 AM · Barrington · North Shore & North Suburbs
5K
from $12.99 -
from $25Reg. closed
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Dash for the Dogs 14th Annual 5K Run/Walk
Sun May 16 · 8:00 AM · Barrington · North Shore & North Suburbs
5K
from $35Reg. closed -
Reg. closed
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SuperHeroes Run Chicago/Evanston
Sat May 29 · 7:30 AM · Chicago · Chicago (city)
1 mile5K10KHalf marathon
from $30 -
from $12Goes up May 2
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from $30
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Twin Lights Half Marathon
Sun May 2 · 8:00 AM · Gloucester · North Shore & Merrimack Valley
Half marathon
from $79.99Goes up Jan 31 -
from $10Goes up Jan 14
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Cahill 5k Race and 1 mile Walk
Sun May 2 · 9:00 AM · Swampscott · North Shore & Merrimack Valley
1 mile5K
from $20Goes up Oct 17 -
from $30Goes up Mar 14
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Worcester Cinco (5)K (Race 3 Greendale Physical Therapy Worcester Triple Crown)
Sun May 2 · 9:30 AM · Worcester · MetroWest & Worcester
5K
from $33Goes up Dec 31 -
Enjoy Your Life Happy Half Marathon & Friendly 5K
Sat May 8 · 8:00 AM · Amesbury · North Shore & Merrimack Valley
5KHalf marathon
from $35Goes up Dec 31 -
from $35Reg. closed
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from $40
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Barns & Blooms Half Marathon
Sat May 15 · 8:00 AM · South Hamilton · North Shore & Merrimack Valley
Half marathon
from $79.99Goes up Jan 31 -
from $40Reg. closed
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from $40Reg. closed
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from $30Goes up Mar 5
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from $10Goes up May 11
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Danvers Police D.A.R.E. 5k Road Race
Sun May 16 · 10:00 AM · Danvers · North Shore & Merrimack Valley
5K
from $40
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from $25
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from $40Reg. closed
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from $25Reg. closed
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=PR= Races: Mother's Day 4 Miler & 1 Miler benefiting Devotion to Children
Sun May 9 · 8:00 AM · Reston · Northern Virginia
1 mile4 miles
from $30Goes up Apr 9 -
from $36Goes up Apr 26
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from $25Reg. closed
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from $44Goes up Oct 31
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from $40Goes up Mar 21
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from $45Reg. closed
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Potomac Riverkeeper Network's Splash and Dash
Sun May 16 · 9:00 AM · Oxon Hill · Maryland Suburbs
5K
from $50Reg. closed -
from $25Reg. closed
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from $20Reg. closed
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Tacoma City Marathon / Half / Ghost / 10K / 5K / 1K
Sat May 1 · 8:00 AM · Tacoma · Tacoma & South Sound
0.62 miles5K10KHalf marathonMarathon
from $10Goes up Jan 1 -
from $15
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Kirkland Half Marathon & 5K
Sun May 2 · 7:30 AM · Kirkland · Eastside & South King
1K5KHalf marathon
from $15Goes up Nov 1 -
from $34Goes up Apr 1
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from $57Goes up Dec 1
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Run for Chocolate 5k/10k/13.1 Seattle
Sat May 8 · 7:30 AM · Seattle · Seattle (city)
1 mile5K10KHalf marathon
from $30 -
Bainbridge Island Parks & Trails Foundation Trillium Trail Run
Sat May 8 · 8:30 AM · Bainbridge Island · Seattle (city)
1 mile5K10KTrail
from $30Reg. closed -
from $10Goes up Apr 22
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from $30Reg. closed
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from $35Reg. closed
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Evergreen Half and 5 Mile
Sun May 23 · 8:00 AM · Snohomish · Snohomish County
5 milesHalf marathonTrail
from $55 -
from $35Reg. closed
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Spring - Mud Mountain Dam Marathon & Half Marathon
Sat May 29 · 7:00 AM · Enumclaw · Eastside & South King
Half marathonMarathon
from $105Goes up Jan 1 -
from $30
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from $35Goes up Apr 11
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from $35Goes up Jan 1
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Longmont Half & 5k (LM Half)
Sun May 2 · 7:30 AM · Longmont · Fort Collins & Loveland
5KHalf marathon
from $39Goes up Feb 1 -
Reg. closed
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Run for Chocolate 5k/10k/13.1 Denver/Aurora
Sat May 8 · 7:30 AM · Centennial · Denver Suburbs
1 mile5K10KHalf marathon
from $30 -
Hometown Half Marathon/5K/10K - Denver
Sun May 9 · 7:00 AM · Denver · Denver
1 mile5K10KHalf marathon
from $22Goes up Nov 11 -
Colorado Women's Classic - Westminster
Sun May 9 · 8:00 AM · Westminster · Denver Suburbs
5K10K10 miles
from $39Goes up Feb 8 -
from $26.99Reg. closed
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see site
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SuperHeroes Run Denver/Aurora
Sat May 29 · 7:30 AM · Centennial · Denver Suburbs
1 mile5K10KHalf marathon
from $30 -
see site
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Run for Chocolate 5k/10k/13.1 Austin/Roundrock
Sat May 8 · 7:30 AM · Austin · Austin (city)
1 mile5K10KHalf marathon
from $30 -
from $30Goes up Dec 15
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Medal Madness 5K, 10K & 13.1M at Pflugerville, TX (19)
Sat May 8 · 8:00 AM · Pflugerville · Round Rock & North Suburbs
5K10KHalf marathon
from $30 -
Hometown Half Marathon/5K/10K - Austin
Sat May 15 · 7:00 AM · Austin · Austin (city)
1 mile5K10KHalf marathon
from $22Goes up Nov 17 -
Pechanga Trail Run
Sat May 15 · 7:00 AM · Spicewood · Hill Country & Lakes
1 mile5K10KHalf marathonMarathonTrail
from $10Goes up Apr 24 -
Austin's Backyard Ultra • Marathon • Full • Half & Memorial Day Remembrance Run 4 Miler • 8 Miler
Sat May 29 · 7:00 AM · Marble Falls · Hill Country & Lakes
4.167 miles
from $149.99Goes up Nov 1 -
River's Edge Trail Race
Sat May 29 · 7:30 AM · Georgetown · Round Rock & North Suburbs
1 mile5 miles10 miles25K50KTrail
from $10Goes up Mar 1 -
SuperHeroes Run Austin/Roundrock
Sat May 29 · 7:30 AM · Austin · Austin (city)
1 mile5K10KHalf marathon
from $30
-
from $65Reg. closed
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Spring Sprint Triathlon & San Diego Tri Series 5K
Sun May 2 · 6:45 AM · San Diego · San Diego (city)
5K
from $34Goes up Nov 28 -
from $59Goes up Oct 31
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SuperHeroes Run SAN Diego
Sat May 29 · 7:30 AM · San Diego · San Diego (city)
1 mile5K10KHalf marathon
from $30