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Half Marathons Found In Connecticut in October

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Half Marathons in Connecticut in October 2025

Find A Race is the US's favourite event listings site. Check out our list of October 2025 Half Marathons in Connecticut below.

Race Calendar: Half Marathons Found In October

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The Ridgefield Road Fest: 1/2 Marathon, 7-Miler, & Iris Fund 5K

Ridgefield, Connecticut
19 Oct 25
$31.21 - $65.66
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Tackle the Trail (TM)

Northeast, Connecticut
18 Oct 25
$80.50 - $263.50
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Garavel SoNo Half Marathon | 5K

Norwalk, Connecticut
05 Oct 25
Free - $69.90

Norfolk Land Trust Trail Race Series/Haystack Mountain Challenge

Norfolk, Connecticut
05 Oct 25
$27.50 - $38.10

Tackle the Trail (TM)

Northeast, Connecticut
18 Oct 25
$80.50 - $263.50

The Ridgefield Road Fest: 1/2 Marathon, 7-Miler, & Iris Fund 5K

Ridgefield, Connecticut
19 Oct 25
$31.21 - $65.66

The Reservoir Run Half Marathon, 5K, and Kids Fun Run

WESTON, Connecticut
26 Oct 25
$11.60 - $59.30
Showing 1-5 of 5 results