Sep 26, 2026 · 7:30 AM · New York City, NY
Run for Donuts 5K/10K/13.1 NYC Central
1M5K10KHalf Marathon
- Price
- $32.80-$69.90
Half Marathons in September — Page 8
Every upcoming Half Marathon race we know about in September. Where a detail isn't confirmed, we mark it unknown rather than guessing.
Race results
Showing 421–480 of 485 races. Use search and filters from page 1.
Sep 26, 2026 · 7:30 AM · Camden, NJ
Run for Donuts 5K/10K/13.1 NEW JERSEY
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sep 26, 2026 · 7:30 AM · Camden, NJ
Run for Donuts 5K/10K/13.1 PHILADELPHIA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sep 26, 2026 · 5:30 AM · Phoenix, AZ
Run for Donuts 5K/10K/13.1 PHOENIX
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sep 26, 2026 · 7:30 AM · Sacramento, CA
Run for Donuts 5K/10K/13.1 SACRAMENTO
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sep 26, 2026 · 7:30 AM · San Antonio, TX
Run for Donuts 5K/10K/13.1 SAN ANTONIO
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sep 26, 2026 · 7:30 AM · San Francisco, CA
Run for Donuts 5K/10K/13.1 SAN FRANCISCO
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sep 26, 2026 · 7:30 AM · Seattle, WA
Run for Donuts 5K/10K/13.1 SEATTLE
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sep 26, 2026 · 7:30 AM · Tampa, FL
Run for Donuts 5K/10K/13.1 TAMPA
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sep 26, 2026 · 8:00 AM · Cypress, TX
Medal Madness 5K, 10K & 13.1M at Cypress, TX (39)
5K10KHalf Marathon
- Price
- $33.80-$70.90
Sep 26, 2026 · 7:00 AM · Largo, FL
Golden Harvest Half Marathon & 5k/10k - Tampa
1M5K10KHalf Marathon
- Price
- $20.83-$67.58
Sep 26, 2026 · 8:30 AM · Largo, FL
Medal Madness 5K, 10K, & 13.1M at Largo, FL (39)
5K10KHalf Marathon
- Price
- $33.80-$70.90
Sep 26, 2026 · 9:00 AM · Iron Mountain, MI
2026 Run Iron Mountain Half Marathon | 1OK | 5K | 1 Mile Fun Run
1M5K10KHalf Marathon
- Price
- $12.50-$149.40
- Field size
- 248 · based on the organizer's entry cap
Sep 26, 2026 · 8:00 AM · New Port Richey, FL
Medal Madness 5K, 10K, & 13.1M at New Port Richey, FL (39)
5K10KHalf Marathon
- Price
- $33.80-$70.90
Sep 26, 2026 · 8:30 AM · Virginia City, MT
Golden Gravel Grinder
Half MarathonUltra
- Price
- Price on registration site
Sep 26, 2026 · 9:00 AM · Mesa, AZ
2026 Capy "Happy" Birthday To Me 2026
1M5K10KHalf MarathonMarathon
- Price
- Price on registration site
Sep 26, 2026 · 9:00 AM · Mesa, AZ
Be Brave Virtual Race – 1 Mile, 5K, 10K, Half Marathon & Marathon
1M5K10KHalf MarathonMarathon
- Price
- Price on registration site
Sep 26, 2026 · 9:00 AM · Mesa, AZ
Bee Happy Race 2026 | Fun Virtual 1M, 5K, 10K, Half Marathon
1M5K10KHalf MarathonMarathon
- Price
- Price on registration site
Sep 26, 2026 · 9:00 AM · Mesa, AZ
Thor Race 2026 | Gods & Warriors Virtual Running Series 1M 5K 10K 13.1 26.2
1M5K10KHalf MarathonMarathon
- Price
- Price on registration site
Sep 26, 2026 · 9:00 AM · Mcdonough, GA
London Virtual Race 2026 | Race the World Series | 1M 5K 10K 13.1 26.2
1M5K10KHalf MarathonMarathon
- Price
- Price on registration site
Sep 26, 2026 · 10:00 AM · Waynesville, OH
Ohio Trail Series-Fall 2026
5K10K15KHalf MarathonUltra
- Price
- $43.40-$80.50
Sep 26, 2026 · 9:00 AM · Mobile, AL
Race Through Alabama 1M, 5K, 10K, 13.1, 26.2
1M5K10KHalf MarathonMarathon
- Price
- Price on registration site
Sep 26, 2026 · 8:00 AM · Holland, MI
Gentex Park2Park 1/2 Marathon & 5K for Neighbors Plus
5KHalf Marathon
- Price
- $33.15-$102.05
5K10KHalf Marathon
- Price
- $38.10-$59.30
- Field size
- 14,000 · based on the organizer's entry cap
Sep 26, 2026 · 7:30 AM · Roscoe, IL
Stone Bridge Half Marathon and 5k
5KHalf Marathon
- Price
- $38.10-$85.80
Sep 26, 2026 · 7:00 AM · Jamestown, RI
Jamestown Rhode Races
Half Marathon
- Price
- $89.80
- Field size
- 540 · based on the organizer's entry cap
Sep 26, 2026 · 7:30 AM · Zanesville, OH
Zanesville City Half Marathon
5KHalf Marathon
- Price
- $33.50-$70.60
Sep 26, 2026 · 7:15 AM · Carrollton, GA
Carrollton Half Marathon
Half Marathonrolling hills
- Price
- $44.05-$102.90
- Field size
- 960 · based on the organizer's entry cap
Sep 26, 2026 · 9:30 AM · Whitewater, WI
Fall Color Festival
1.5M5MHalf Marathon18MUltra
- Price
- Free-$28.49
Sep 26, 2026 · 7:30 AM · West Jordan, UT
Witch Run Half Marathon - 10K - 5K
5K10KHalf Marathon
- Price
- $38.10-$1,041
Sep 26, 2026 · 7:30 AM · Jackson, WY
Jackson Hole Marathon, Hole Half Marathon, Jackson Hole Quarter Marathon
Half MarathonMarathonCertified course · per organizer
- Price
- $75.20-$149.40
Sep 26, 2026 · 9:00 AM · Colbert, WA
Colbert Autumn Classic Half Marathon & 4-Mile Loop
Half Marathon
- Price
- $27.50-$54
Sep 27, 2026 · 9:00 AM · Harvard, MA
The Apple Harvest Ramble Half Marathon and 5K
5KHalf Marathon
- Price
- $27.50-$59.30
Sep 27, 2026 · 7:30 AM · Auburn, CA
Auburn Half Marathon
Half MarathonWalker-friendly · per organizer
- Price
- $70.55-$100.51
Sep 27, 2026 · 7:30 AM · Long Beach, CA
The Retro Run – 5K, 10k, 10m, and Half Marathon
5K10K10MHalf Marathon
- Price
- $26.97-$41.81
Sep 27, 2026 · 9:00 AM · Rochelle Park, NJ
Achilles New Jersey Hope & Possibility 2026 - In Loving Memory of Kenny Franco Jr.
4MHalf Marathon
- Price
- Free-$45
Sep 27, 2026 · 9:00 AM · Fort Lee, NJ
Palisades Half Marathon + 6K Trail Run
Half Marathon1,430 ft gainCertified course · per organizer
- Price
- $59.80-$134
- Field size
- 1,250 · based on the organizer's entry cap
Sep 27, 2026 · 8:00 AM · Long Beach, CA
Take Me to Your Pizza : Alien Dash 5K. 10K. Half Marathon Sponsored by Domino's Pizza
1M5K10KHalf Marathonflat and fastWalker-friendly · per organizer
- Price
- $22.20-$69.89
Sep 27, 2026 · 7:00 AM · San Antonio, TX
Golden Harvest Half Marathon & 5k/10k - San Antonio
1M5K10KHalf Marathon
- Price
- $20.83-$67.58
Sep 27, 2026 · 9:00 AM · Lansing, MI
Golden Harvest Half Marathon & 5k/10k - Lansing
1M5K10KHalf Marathon
- Price
- $20.83-$73.94
Sep 27, 2026 · 8:00 AM · Des Moines, IA
Golden Harvest Half Marathon & 5k/10k - Des Moines
1M5K10KHalf Marathon
- Price
- $20.83-$67.58
Sep 27, 2026 · 8:00 AM · Parkville, MO
Golden Harvest Half Marathon & 5k/10k - Kansas City
1M5K10KHalf Marathon
- Price
- $20.83-$67.58
Sep 27, 2026 · 8:00 AM · Elk Grove Village, IL
Golden Harvest Half Marathon & 5k/10k - Greater Chicago
1M5K10KHalf Marathon
- Price
- Free-$78.18
Sep 27, 2026 · 9:00 AM · Lake Orion, MI
THE ROOTED HALF MARATHON & 5K
5KHalf Marathon
- Price
- $59.80-$91.60
- Field size
- 50 · based on the organizer's entry cap
Sep 27, 2026 · 6:55 AM · Oklahoma City, OK
Heroes and Villains Half Marathon- Oklahoma City
1M5KHalf Marathon
- Price
- $17.72-$63.66
Sep 27, 2026 · 7:00 AM · Old Greenwich, CT
HSS Greenwich Half Marathon
Half Marathon
- Price
- $84.23
- Field size
- 845 · based on the organizer's entry cap
Sep 27, 2026 · 8:00 AM · Lowell, MA
Baystate Marathon
6.6MHalf Marathon16MMarathon
- Price
- Free-$130
- Field size
- 200 · based on the organizer's entry cap
Sep 27, 2026 · 7:00 AM · Union Park, FL
Golden Harvest Half Marathon & 5k/10k - Orlando
1M5K10KHalf Marathon
- Price
- $20.83-$67.58
Sep 27, 2026 · 8:00 AM · Fredericksburg, VA
FXBG Trail Half Marathon
Half Marathon946 ft gain · rolling hills
- Price
- $10
Sep 27, 2026 · 7:00 AM · Boulder, CO
Running for Children's Rights to Both Parents - 9 of 50 Half Marathons in 50 States - Colorado
5K10KHalf Marathon
- Price
- $526
Sep 27, 2026 · 8:45 AM · Staten Island, NY
RunThrough Staten Island at Freshkills Park 5k, 10k & Half Marathon
5K10KHalf Marathonflat and fast
- Price
- $46.63-$76.68
Sep 27, 2026 · 8:30 AM · Glendale, WI
Talk Pirate to Me 5K/10K/Half - Milwaukee
5K10KHalf Marathon
- Price
- $44.10-$65.20
Sep 27, 2026 · 8:00 AM · Mifflinburg, PA
The Dam Half and Dam 4 mile-ish
Half Marathon
- Price
- $38.50-$73.50
- Field size
- 450 · based on the organizer's entry cap
Sep 27, 2026 · 7:30 AM · Fort Worth, TX
Rock of Ages 5K, 10K & Half Marathon Run
5K10KHalf Marathon
- Price
- $32.50-$75.37
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