Sat, Dec 12, 2026 · 7:30 AM · Kansas City, MO
Run for Breast Cancer 5K/10K/13.1 KANSAS CITY
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Half Marathons in December — Page 3
Every upcoming Half Marathon race we know about in December. Where a detail isn't confirmed, we mark it unknown rather than guessing.
Race results
Showing 121–180 of 314 races. Use search and filters from page 1.
Sat, Dec 12, 2026 · 7:30 AM · Las Vegas, NV
Run for Breast Cancer 5K/10K/13.1 LAS VEGAS
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Dec 12, 2026 · 7:30 AM · Key Biscayne, FL
Run for Breast Cancer 5K/10K/13.1 MIAMI
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sat, Dec 12, 2026 · 7:30 AM · Camden, NJ
Run for Breast Cancer 5K/10K/13.1 NEW JERSEY
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Dec 12, 2026 · 7:30 AM · Camden, NJ
Run for Breast Cancer 5K/10K/13.1 PHILADELPHIA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Dec 12, 2026 · 7:30 AM · Phoenix, AZ
Run for Breast Cancer 5K/10K/13.1 PHOENIX
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sat, Dec 12, 2026 · 7:30 AM · Sacramento, CA
Run for Breast Cancer 5K/10K/13.1 SACRAMENTO
1M5K10KHalf Marathon
- Price
- $32.80-$64.60
Sat, Dec 12, 2026 · 7:30 AM · San Antonio, TX
Run for Breast Cancer 5K/10K/13.1 SAN ANTONIO
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Dec 12, 2026 · 7:30 AM · San Diego, CA
Run for Breast Cancer 5K/10K/13.1 SAN DIEGO
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Dec 12, 2026 · 7:30 AM · San Francisco, CA
Run for Breast Cancer 5K/10K/13.1 SAN FRANCISCO
1M5K10KHalf Marathon
- Price
- $32.80-$69.90
Sat, Dec 12, 2026 · 7:30 AM · Seattle, WA
Run for Breast Cancer 5K/10K/13.1 SEATTLE
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sat, Dec 12, 2026 · 7:30 AM · Tampa, FL
Run for Breast Cancer 5K/10K/13.1 TAMPA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Dec 12, 2026 · 6:00 AM · San Diego, CA
The Improve Every Day Half Marathon
4M4.4MHalf Marathon
- Price
- $25-$45
- Field size
- 1,000 · basis unavailable
Sat, Dec 12, 2026 · 8:00 AM · Des Moines, IA
Holiday 5K, 10K, & 13.1M at Des Moines, IA (50)
5K10KHalf Marathon
- Price
- $33.80-$70.90
Sat, Dec 12, 2026 · 8:00 AM · Camas, WA
Holiday 5K, 10K, & 13.1M at Camas, WA (50)
5K10KHalf Marathon
- Price
- $33.80-$70.90
Sat, Dec 12, 2026 · 7:30 AM · Los Angeles, CA
Sunrise Marathon 5K/10K/13.1 LOS ANGELES
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Dec 12, 2026 · 7:30 AM · Atlanta, GA
Sunrise Marathon 5K/10K/13.1 ATLANTA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Dec 12, 2026 · 7:30 AM · Pflugerville, TX
Sunrise Marathon 5K/10K/13.1 AUSTIN/ROUNDROCK
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Dec 12, 2026 · 7:30 AM · Chicago, IL
Sunrise Marathon 5K/10K/13.1 CHICAGO/EVANSTON
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sat, Dec 12, 2026 · 7:30 AM · Fort Worth, TX
Sunrise Marathon 5K/10K/13.1 DALLAS FORT WORTH
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sat, Dec 12, 2026 · 7:30 AM · Centennial, CO
Sunrise Marathon 5K/10K/13.1 DENVER/AURORA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Dec 12, 2026 · 7:30 AM · Houston, TX
Sunrise Marathon 5K/10K/13.1 HOUSTON
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sat, Dec 12, 2026 · 7:30 AM · Kansas City, MO
Sunrise Marathon 5K/10K/13.1 KANSAS CITY
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Dec 12, 2026 · 7:30 AM · Las Vegas, NV
Sunrise Marathon 5K/10K/13.1 LAS VEGAS
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Dec 12, 2026 · 7:30 AM · Key Biscayne, FL
Sunrise Marathon 5K/10K/13.1 MIAMI
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sat, Dec 12, 2026 · 7:30 AM · Camden, NJ
Sunrise Marathon 5K/10K/13.1 NEW JERSEY
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Dec 12, 2026 · 7:30 AM · Camden, NJ
Sunrise Marathon 5K/10K/13.1 PHILADELPHIA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Dec 12, 2026 · 7:30 AM · Phoenix, AZ
Sunrise Marathon 5K/10K/13.1 PHOENIX
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sat, Dec 12, 2026 · 7:30 AM · Sacramento, CA
Sunrise Marathon 5K/10K/13.1 SACRAMENTO
1M5K10KHalf Marathon
- Price
- $32.80-$64.60
Sat, Dec 12, 2026 · 7:30 AM · San Antonio, TX
Sunrise Marathon 5K/10K/13.1 SAN ANTONIO
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Dec 12, 2026 · 7:30 AM · San Diego, CA
Sunrise Marathon 5K/10K/13.1 SAN DIEGO
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Dec 12, 2026 · 7:30 AM · San Francisco, CA
Sunrise Marathon 5K/10K/13.1 SAN FRANCISCO
1M5K10KHalf Marathon
- Price
- $32.80-$69.90
Sat, Dec 12, 2026 · 7:30 AM · Seattle, WA
Sunrise Marathon 5K/10K/13.1 SEATTLE
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sat, Dec 12, 2026 · 7:30 AM · Tampa, FL
Sunrise Marathon 5K/10K/13.1 TAMPA
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Dec 12, 2026 · 7:30 AM · Houston, TX
Sunrise Marathon 5K/10K/13.1 HOUSTON
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Dec 12, 2026 · 8:00 AM · Fort Washington, MD
Holiday 5K, 10K & 13.1M at Fort Washington, MD (50)
5K10KHalf Marathon
- Price
- $33.80-$70.90
Sat, Dec 12, 2026 · 8:00 AM · Colonial Heights, VA
The Run League Presents: Holly Jolly 5K & 10K
5K10KHalf Marathon
- Price
- $38.10-$69.90
Sat, Dec 12, 2026 · 9:15 AM · Knoxville, TN
Rock'in Santa Half Marathon & Sunshine Santa 5K
5KHalf MarathonWalker-friendly · per organizer
- Price
- $34-$92.30
- Field size
- 390 · based on the organizer's entry cap
Sat, Dec 12, 2026 · 7:00 AM · Lake Charles, LA
Lake Area Runners Presents Swamp Stomp 1/2 Marathon & 1 Mile Fun Run
1MHalf Marathonflat and fast
- Price
- $15.95-$93.20
- Field size
- 300 · based on the organizer's entry cap
Sat, Dec 12, 2026 · 7:30 AM · Oxnard, CA
Santa To The Sea 1/2 Marathon, 1/4 Marathon & 5K
1K5K6.55MHalf Marathon
- Price
- $32.79-$149.39
Sat, Dec 12, 2026 · 7:00 AM · Huntsville, AL
Rocket City Marathon
1M5K10KHalf MarathonMarathonflat and fastWalker-friendly · per organizer
- Price
- $27.50-$149.40
- Field size
- 1,900 · based on the organizer's entry cap
Sat, Dec 12, 2026 · 7:15 AM · Goodyear, AZ
Estrella Mountain Trail Fest
5K10K15KHalf Marathon
- Price
- $32.80-$64.60
Sat, Dec 12, 2026 · 9:30 AM · Burlington, NC
Run At The Rock - 5K/10K/Half Marathon
5K10KHalf Marathon
- Price
- $64.85-$86.05
Sat, Dec 12, 2026 · 9:00 AM · Greenville, SC
Hartness Half Marathon & 5K
5KHalf Marathon
- Price
- $33.95-$95.72
- Field size
- 200 · based on the organizer's entry cap
Sat, Dec 12, 2026 · 9:00 AM · Springfield, IL
Iceman Series 2026-27
5K15K18KHalf Marathon
- Price
- $22.20-$117.60
- Field size
- 60 · based on the organizer's entry cap
Sat, Dec 12, 2026 · 7:00 AM · Islamorada, FL
Islamorada Half Marathon & 10k, Rumrunner Run 5K/10K and Beach N' Beer Mile
1M5K10KHalf Marathon
- Price
- $48.70-$117.60
Sat, Dec 12, 2026 · 6:00 AM · West Palm Beach, FL
U.S. Polo Assn. Palm Beaches Marathon
5K10KHalf MarathonMarathon
- Price
- $49.40-$295.70
- Field size
- 200 · based on the organizer's entry cap
Sat, Dec 12, 2026 · 8:45 AM · Atlanta, GA
White Elephant 5K/10K/Half Marathon - Atlanta
5K10KHalf Marathon
- Price
- $33.60-$55.13
1M5KHalf MarathonMarathon
- Price
- $22.20-$160
- Field size
- 2,470 · based on the organizer's entry cap
Sun, Dec 13, 2026 · 8:00 AM · Glendale, AZ
Santa Hustle Glendale
1K5K10KHalf Marathon
- Price
- Free-$99.14
- Field size
- 30 · based on the organizer's entry cap
Sun, Dec 13, 2026 · 8:00 AM · Roseville, CA
Santa Hustle Roseville
1K5K10KHalf Marathon
- Price
- Free-$99.14
- Field size
- 30 · based on the organizer's entry cap
Sun, Dec 13, 2026 · 7:30 AM · Santa Monica, CA
Santa's Toy Trot – 5K, 10K, Half Marathon
5K10KHalf Marathon
- Price
- $26.97-$41.81
Sun, Dec 13, 2026 · 8:00 AM · Long Beach, CA
Winter Runderland 5K, 10K, & Half Marathon. Kids Dash
5K10KHalf Marathonflat and fast
- Price
- $16.90-$63.53
Sun, Dec 13, 2026 · 7:00 AM · Spicewood, TX
Star of Texas 50 Miler • 50K • Marathon • Half Marathon • 10K • 5K • Speedyard (Fastest Person Standing)
5K10KHalf MarathonMarathonUltraCertified course · per organizer
- Price
- Free-$212.99
Sun, Dec 13, 2026 · 9:00 AM · Louisville, KY
Waverly Winter Warrior
6.6MHalf Marathon
- Price
- $27.50-$43.40
Sun, Dec 13, 2026 · 9:00 AM · Potomac, MD
Founders Half Marathon
Half MarathonCertified course · per organizer
- Price
- $11.60
- Field size
- 500 · based on the organizer's entry cap
Sun, Dec 13, 2026 · 7:00 AM · Biloxi, MS
Running for Children's Rights to Both Parents - 12 of 50 Half Marathons in 50 States - Mississippi
5K10KHalf Marathon
- Price
- $526
Sat, Dec 19, 2026 · 7:00 AM · Dallas, TX
Texas Double
Half MarathonMarathonUltraflat and fast
- Price
- $101.70-$202.40
- Field size
- 174 · based on the organizer's entry cap
Browse related categories
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