Aug 30, 2026 · 7:45 AM · Newtown, CT
Newtown Community Running Event
5K10KHalf Marathon
- Price
- Free-$85.80
Half Marathons in Connecticut
Every upcoming Half Marathon race we know about in Connecticut. Where a detail isn't confirmed, we mark it unknown rather than guessing.
Race results
Where
When
Showing 12+ of 12 races · loading the full list…
5KHalf Marathon
- Price
- $11.19-$89.45
- Field size
- 5,585 · 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 27, 2026 · 7:00 AM · Old Greenwich, CT
HSS Greenwich Half Marathon
Half Marathon
- Price
- $84.23
- Field size
- 830 · based on the organizer's entry cap
Oct 4, 2026 · 8:30 AM · Norwalk, CT
Garavel SoNo Half Marathon | 5K
1M5KHalf Marathon
- Price
- Free-$80.50
- Field size
- 1,735 · based on the organizer's entry cap
Oct 4, 2026 · 11:00 AM · Norfolk, CT
Norfolk Land Trust Trail Race Series/Haystack Mountain Challenge
5K10KHalf Marathon
- Price
- $27.50-$38.10
Oct 17, 2026 · 8:00 AM · Northeast, CT
Tackle the Trail (TM)
10KHalf MarathonMarathon
- Price
- $80.50-$263.50
- Field size
- 300 · based on the organizer's entry cap
Oct 18, 2026 · 7:15 AM · Ridgefield, CT
The Ridgefield Road Fest 50th Anniversary: 1/2 Marathon, 7-Miler, and Iris Fund 5K
5KHalf Marathon
- Price
- $36.51-$70.96
- Field size
- 980 · based on the organizer's entry cap
Oct 25, 2026 · 8:30 AM · WESTON, CT
Reservoir Run Half Marathon, 5K, Kids Fun Runs & Family Stroll
5KHalf Marathon
- Price
- $16.90-$64.60
Nov 7, 2026 · 9:00 AM · Hebron, CT
Air Line Trail Ghost Run
Half Marathonflat and fastCertified course · per organizer
- Price
- $54-$107
Nov 14, 2026 · 8:30 AM · Roxbury, CT
Roxbury Fall Classic
Half MarathonMarathonUltrahilly
- Price
- $64.60-$117.60
Apr 11, 2027 · 8:30 AM · Cheshire, CT
Ion Bank Cheshire Road Races
5KHalf Marathonflat and fast
- Price
- $11.19-$63.36
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