Sep 19, 2026 · 8:00 AM · Havre de Grace, MD
ASICS Susquehanna River Running Festival presented by University of Maryland Medical System
5K10KHalf Marathon
- Price
- $60.30-$129.20
- Field size
- 40 · based on the organizer's entry cap
Half Marathons in September — Page 6
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 301–360 of 485 races. Use search and filters from page 1.
Sep 19, 2026 · 7:30 AM · Santa Fe, NM
Capitol Ford Santa Fe International Half Marathon
Half Marathon6,883 ft gain
- Price
- Free-$101.70
5KHalf Marathon
- Price
- $54.98-$167.06
- Field size
- 2,700 · based on the organizer's entry cap
Sep 20, 2026 · 7:30 AM · Philadelphia, PA
Philadelphia Distance Run- SRPS Charity Team
5KHalf Marathon
- Price
- $27.50
Sep 20, 2026 · 7:30 AM · Alameda, CA
Alameda Island Running Festival
1M5K10KHalf Marathon
- Price
- $27.50-$122.90
Sep 20, 2026 · 7:30 AM · Lincoln, ME
Lincoln Marathon - Full/Half/10K/5K
5K10KHalf MarathonMarathonCertified course · per organizer
- Price
- $28.25-$114.44
Sep 20, 2026 · 7:00 AM · Philadelphia, PA
PHILADELPHIA DISTANCE RUN
5KHalf Marathonflat and fast
- Price
- $48.70-$144.10
1K5K10KHalf MarathonCertified course · per organizer
- Price
- Free-$75
- Field size
- 16,840 · based on the organizer's entry cap
Sep 20, 2026 · 6:30 AM · Yukon, OK
Bound for Boston Marathon & Half Marathon - Oklahoma City
Half MarathonMarathonCertified course · per organizer
- Price
- $70.50-$102.70
Sep 20, 2026 · 7:00 AM · Stanford, KY
Wilderness Road Marathon, Half Marathon & 10K Celebrating USA 250 & USMC
10KHalf MarathonMarathon
- Price
- $55-$118.60
Sep 20, 2026 · 7:00 AM · Toledo, OH
Garmin Marathon Toledo
5K10KHalf MarathonMarathon
- Price
- Free-$134.40
Sep 20, 2026 · 6:45 AM · Bellingham, WA
Bellingham Bay Marathon
5K10KHalf MarathonMarathon
- Price
- $45.44-$259.16
Sep 20, 2026 · 8:00 AM · Memphis, TN
Golden Harvest Half Marathon & 5k/10k - Memphis
1M5K10KHalf Marathon
- Price
- $20.83-$67.58
Sep 20, 2026 · 9:00 AM · Sand Lake, MI
Golden Harvest Half Marathon & 5k/10k - Grand Rapids
1M5K10KHalf Marathon
- Price
- $20.83-$73.94
Sep 20, 2026 · 8:00 AM · Chattanooga, TN
Golden Harvest Half Marathon & 5k/10k - Chattanooga
1M5K10KHalf Marathon
- Price
- Free-$73.94
Sep 20, 2026 · 8:00 AM · Wichita, KS
Golden Harvest Half Marathon & 5k/10k - Wichita
1M5K10KHalf Marathon
- Price
- $20.83-$67.58
Sep 20, 2026 · 8:00 AM · Ashland, NE
Golden Harvest Half Marathon & 5k/10k - Lincoln
1M5K10KHalf Marathon
- Price
- Free-$73.94
Sep 20, 2026 · 8:00 AM · Detroit, MI
Detroit Women's Half Marathon presented by Playa Bowls
5K10KHalf MarathonWalker-friendly · per organizer
- Price
- Free-$129.70
Sep 20, 2026 · 6:55 AM · Fort Worth, TX
Heroes and Villains Half Marathon- Fort Worth
1M5KHalf Marathon
- Price
- $17.72-$65.78
Sep 20, 2026 · 6:55 AM · North Little Rock, AR
Heroes and Villains Half Marathon - Little Rock
1M5KHalf Marathon
- Price
- $17.72-$65.78
Sep 20, 2026 · 6:30 PM · Long Beach, CA
La Noche de las Brujas Run -SummerWeen Series 5K 10K Half by Califlow Runs
1M5K10KHalf Marathonflat and fastWalker-friendly · per organizer
- Price
- $31.73-$64.59
Sep 20, 2026 · 8:00 AM · Albuquerque, NM
Talk Pirate to Me 5K/10K/Half - Albuquerque
5K10KHalf Marathon
- Price
- $44.10-$65.20
Sep 20, 2026 · 8:00 AM · Canton, GA
Talk Pirate to Me 5K/10K/Half - Canton
5K10KHalf Marathon
- Price
- $44.10-$65.20
Sep 20, 2026 · 8:00 AM · Whitewater, WI
Discover Whitewater Series
5KHalf Marathon
- Price
- $8-$81.25
- Field size
- 600 · based on the organizer's entry cap
Sep 20, 2026 · 9:00 AM · Quilcene, WA
Quilcene Oyster Races
5K10KHalf MarathonCertified course · per organizer
- Price
- Free-$64.60
Sep 20, 2026 · 7:30 AM · Rochester, NY
Fleet Feet Rochester Half Marathon | 5K | Kids 1/2 Mile
5KHalf Marathon
- Price
- $16.90-$107
Sep 20, 2026 · 7:00 AM · Billings, MT
Montana Marathon
5K10KHalf MarathonMarathon
- Price
- $54.40-$133.75
- Field size
- 1,400 · based on the organizer's entry cap
Sep 20, 2026 · 8:00 AM · Harpers Ferry, IA
Iowa Trail Run Series: Yellow River State Forest
5K10KHalf Marathon
- Price
- $43.40-$59.30
Sep 20, 2026 · 7:00 AM · Salem, MA
Witch City Walking Tours Wicked Half Marathon
Half Marathon
- Price
- $91.10
Sep 24, 2026 · 9:00 AM · Dana Point, CA
PJRC Virtual 5K
5KHalf Marathon
- Price
- Price on registration site
Sep 25, 2026 · 8:00 AM · Stevens Point, WI
Wonderful Water Run: Half Marathon, 10K, 5K and Kid's Run
5K10KHalf Marathon
- Price
- $17.50-$82.50
Sep 25, 2026 · 6:00 AM · Red Feather Lakes, CO
Red Feather Trail Jamboree
Half MarathonUltra4,200 ft gain
- Price
- $117.60-$358
- Field size
- 200 · based on the organizer's entry cap
1M5K10KHalf Marathon
- Price
- $27.50-$239.50
- Field size
- 2,500 · based on the organizer's entry cap
Sep 25, 2026 · 9:00 AM · Shawnee, OH
Buckeye Trail Blue Blaze Festival - Half Marathon, 10K, 5K Run, Hike and Backpack
5K10K10MHalf Marathon
- Price
- $38.10-$54
Sep 25, 2026 · 6:00 PM · Montour Falls, NY
Finger Lakes Festival of Races (18M,13.1M,10K& 5K)
5K10KHalf Marathon
- Price
- $43.40-$91.10
Sep 26, 2026 · 8:00 AM · Thompsonville, MI
Betsie Valley Trail Run
1M5K10KHalf Marathon
- Price
- $16.90-$84.74
- Field size
- 900 · based on the organizer's entry cap
Sep 26, 2026 · 8:30 AM · Colebrook, CT
Hogsback Half Marathon
Half MarathonCertified course · per organizer
- Price
- $60
Sep 26, 2026 · 8:00 AM · Fort Wayne, IN
Fort4Fitness Fall Festival
4M10KHalf Marathon
- Price
- $48.70-$91.10
Sep 26, 2026 · 6:00 PM · Long Beach, WA
Pacific Coast Running Festival
1M5K10KHalf MarathonMarathon
- Price
- $25.76-$117.56
Sep 26, 2026 · 8:00 AM · Point Of Rocks, MD
Run On The Rocks • 10M / Half / 20M
10MHalf Marathonflat and fast
- Price
- $59.30-$85.80
- Field size
- 600 · based on the organizer's entry cap
Sep 26, 2026 · 7:00 AM · Kissimmee, FL
Margaritaville Run Orlando Half Marathon, 10K & 5K
5K10KHalf Marathon
- Price
- $58.24-$127.14
Sep 26, 2026 · 8:00 AM · Huntsville, AL
THE F5 Half Marathon, 5K & 1 Mile
1MHalf Marathon
- Price
- $16.90-$75.20
Sep 26, 2026 · 7:00 AM · Far Rockaway, NY
RUN ROCKAWAY BEACH NYC HALF MARATHON (TUNE UP) AND 5K
5KHalf Marathon
- Price
- $48.70-$69.90
Sep 26, 2026 · 9:45 AM · Stevens Point, WI
Wonderful Water Run with myTEAM TRIUMPH
5K10KHalf Marathon
- Price
- Free
Sep 26, 2026 · 8:30 AM · Deltona, FL
Medal Madness 5K, 10K, & 13.1M at Deltona, FL (39)
5K10KHalf Marathon
- Price
- $33.80-$70.90
Sep 26, 2026 · 8:00 AM · Chillicothe, OH
Medal Madness 5K, 10K & 13.1M at Chillicothe, OH (39)
5K10KHalf Marathon
- Price
- $33.80-$70.90
Sep 26, 2026 · 8:00 AM · Naples, FL
Medal Madness 5K, 10K, & 13.1M at Naples, FL (39)
5K10KHalf Marathon
- Price
- $33.80-$70.90
Sep 26, 2026 · 8:00 AM · Colonial Heights, VA
Medal Madness 5K, 10K, 13.1M & 26.2M at Colonial Heights, VA (39)
5K10KHalf MarathonMarathon
- Price
- $33.80-$102.70
Sep 26, 2026 · 8:00 AM · Montgomery, AL
Medal Madness 5K, 10K, & 13.1M at Montgomery, AL (39)
5K10KHalf Marathon
- Price
- $33.80-$70.90
Browse related categories
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