Sat, May 1, 2027 · 7:45 AM · South Bend, IN
Run Happy 50K (and other happy distances)
10KHalf MarathonMarathonUltra
- Price
- $43.40-$59.30
Marathons in May
Every upcoming Marathon race we know about in May. Where a detail isn't confirmed, we mark it unknown rather than guessing.
Race results
Showing 35+ of 35 races · loading the full list…
Sat, May 1, 2027 · 7:30 AM · Ohiopyle, PA
Great Allegheny Ohiopyle Marathon Race Festival: Marathon, Half Marathon, 10K and 5K
5K10K15KHalf MarathonMarathon
- Price
- $43.40-$85.80
Sat, May 1, 2027 · 5:30 PM · Costa Mesa, CA
The Hoag OC Marathon Running Festival
5KHalf MarathonMarathon
- Price
- $50.05-$201.56
Sat, May 1, 2027 · 7:00 AM · Eminence, MO
The Bluffs Trail Runs
1M5K10K15KHalf MarathonMarathonrolling hills
- Price
- $16.90-$122.90
Sat, May 1, 2027 · 7:30 AM · Tacoma, WA
Tacoma City Marathon / Half / Ghost / 10K / 5K / 1K
5K10KHalf MarathonMarathonflat and fastCertified course · per organizer
- Price
- $13.20-$232.55
Sat, May 1, 2027 · 6:00 AM · Winter Park, FL
Sunshine Double
5K10KHalf MarathonMarathonUltraCertified course · per organizer
- Price
- $32.80-$149.40
Sat, May 1, 2027 · 7:00 AM · Durham, NC
Garmin Marathon Durham
5K10KHalf MarathonMarathonrolling hills
- Price
- $41.70-$103.50
Sat, May 1, 2027 · 6:30 AM · Riceville, IA
IronHorse - USATF Certified & Sanctioned
5K10KHalf MarathonMarathonCertified course · per organizer
- Price
- $16.90-$69.90
- Field size
- 120 · based on the organizer's entry cap
10KHalf MarathonMarathonflat and fastCertified course · per organizer
- Price
- $64.85-$107.25
- Field size
- 2,550 · based on the organizer's entry cap
Sun, May 2, 2027 · 6:30 AM · Boise, ID
Boise River Marathon
5K10KHalf MarathonMarathonflat and fast
- Price
- $38.10-$64.60
Sun, May 2, 2027 · 6:30 AM · Fort Collins, CO
The Colorado Marathon
5K10KHalf MarathonMarathon
- Price
- $48.70-$170.60
Sun, May 2, 2027 · 7:30 AM · East Providence, RI
Providence Rhode Races
1K5KHalf MarathonMarathonCertified course · per organizer
- Price
- $13.60-$106.71
Sun, May 2, 2027 · 7:15 AM · Schaumburg, IL
Chicagoland Spring Marathon, Half Marathon & 10K
10KHalf MarathonMarathon
- Price
- $45.99-$114.99
Sat, May 8, 2027 · 8:30 AM · Berkeley, CA
Grizzly Peak Trail Run
10KHalf MarathonMarathonUltra
- Price
- Free-$96.40
Sat, May 8, 2027 · 7:30 AM · Palos Hills, IL
F^3 Cap Sauers Trail Marathon & 10 Mile
10MMarathon
- Price
- $75.45-$91.35
Sat, May 8, 2027 · 7:00 AM · Smiths Grove, KY
P.A.C.E. Races for Youth Athletic Scholarships
Half MarathonMarathon
- Price
- $50-$75
Sat, May 8, 2027 · 6:30 AM · Vineyard, UT
Runtastic UTAH CITY
0.5M5KHalf MarathonMarathon
- Price
- $16.95-$230.51
Sat, May 8, 2027 · 7:00 AM · Holdingford, MN
Lake Wobegon Trail Marathon
MarathonCertified course · per organizer
- Price
- $75.20
- Field size
- 525 · based on the organizer's entry cap
Sat, May 8, 2027 · 7:00 AM · Ottawa, IL
Starved Rock Country Marathon
5K10KHalf MarathonMarathonflat and fast
- Price
- $48.70-$128.20
Fri, May 14, 2027 · 7:30 AM · Todd, NC
New River Marathon, Half Marathon & 5K
5KHalf MarathonMarathonCertified course · per organizer
- Price
- $30.68-$120.78
Sat, May 15, 2027 · 7:00 AM · Corpus Christi, TX
Beach to Bay Relay Marathon
Marathon
- Price
- $133.50-$316
Sat, May 15, 2027 · 7:00 AM · Boise, ID
YMCA Famous Idaho Potato Marathon & Fun Runs
5K10KHalf MarathonMarathonflat and fast
- Price
- $33.63-$97.68
Sat, May 15, 2027 · 7:00 AM · Spicewood, TX
Pechanga Trail Run
1M5K10KHalf MarathonMarathonUltra
- Price
- $11.60-$97.46
Sun, May 16, 2027 · 7:00 AM · Green Bay, WI
EPIC Marathon and Running Festival
0.1M5KHalf MarathonMarathon
- Price
- $18.10-$291.40
- Field size
- 186 · based on the organizer's entry cap
Sun, May 16, 2027 · 7:00 AM · Spokane, WA
Windermere Marathon
0.55M5K10KHalf MarathonMarathonCertified course · per organizer
- Price
- Free-$107
- Field size
- 25 · based on the organizer's entry cap
Sat, May 22, 2027 · 8:00 AM · Whitefish, MT
Whitefish Marathon, Half Marathon & 5K Presented by Hammer Nutrition
5KHalf MarathonMarathon
- Price
- $38.10-$96.40
- Field size
- 1,975 · based on the organizer's entry cap
Sat, May 22, 2027 · 7:30 AM · Delaware City, DE
Conquer The Canal
5K10KHalf MarathonMarathonCertified course · per organizer
- Price
- $38.10-$133.50
- Field size
- 800 · based on the organizer's entry cap
Sun, May 23, 2027 · 8:15 AM · Clayton, CA
Diablo Trail Run
2M4M10MHalf MarathonMarathonUltraflat and fast
- Price
- Free-$96.40
Sun, May 23, 2027 · 12:00 AM · Minneapolis, MN
Marathon Adventures 2027 Cape Town Marathon Adventure
Marathon
- Price
- $788.50
- Field size
- 15 · based on the organizer's entry cap
Sat, May 29, 2027 · 7:00 AM · Marble Falls, TX
Austin's Backyard Ultra • Marathon • Full • Half & Memorial Day Remembrance Run 4 Miler • 8 Miler
4M4.17M8MHalf MarathonMarathon
- Price
- $53.99-$159.99
Sat, May 29, 2027 · 5:00 AM · Winter Park, FL
MileBuilt 3-Day Memorial Day Bridge Challenge
5K10KHalf MarathonMarathonUltra
- Price
- $38.10-$91.10
Sat, May 29, 2027 · 7:00 AM · Coeur d'Alene, ID
CDA Marathon
1M5K10KHalf MarathonMarathonCertified course · per organizer
- Price
- Free-$107
Sun, May 30, 2027 · 7:00 AM · Minocqua, WI
MINOCQUA NORTHWOODS ESCAPE MARATHON
5KHalf MarathonMarathon
- Price
- $43.40-$213