Half marathons within 25 mi of Cos Cob, CT
14 races
Paine to Pain Trail Half Marathon
New Rochelle, NYIn 4 daysRegistration closed
- Half
Registration closedView details
Empire State Half Marathon & 5k
Congers, NYIn 4 daysfrom $40
- 5K
- Half
- 16.2 mi
- 23.1 mi
from $40View details
HSS Greenwich Half Marathon
Old Greenwich, CTIn 11 days$90
- Half
$90View details
The Ridgefield Road Fest 50th Anniversary: 1/2 Marathon, 7-Miler, and The Iris Fund 5K
Ridgefield, CTIn 11 daysfrom $39.50
- 5K
- 7 mi
- Half
from $39.50View details
Sri Chinmoy Half-Marathon
Valley Cottage, NY2 wks out$59.45
- Half
$59.45View details
Reservoir Run Half Marathon, 5K, Kids Fun Runs & Family Stroll
WESTON, CT2 wks outfrom $15
- 1K
- 5K
- Half
from $15View details
Pocantico Hills Races
Tarrytown, NY4 wks outfrom $75
- Half
- Marathon
from $75View details
New York Flushing Meadows Corona Park 5K, 10K & Half Marathon
Flushing, NY5 wks outfrom $40.09
- 5K
- 10K
- Half
from $40.09View details
Pelham Half Marathon, 10K and 1K Kids Fun Run
Pelham, NY7 wks outfrom $10
- 1K
- 10K
- Half
from $10View details
Queens NYC Chiller Half • 10K • 5K
Flushing, NY11 wks outfrom $45
- 5K
- 10K
- Half
from $45View details
Sri Chinmoy New Year's Day Half-Marathon
New York, NY12 wks out$51.20
- Half
$51.20View details
Project 13.1
Congers, NY23 wks out$125
- Half
$125View details
LONG ISLAND MARATHON FESTIVAL
East Meadow, NY29 wks outRegistration closed
- 1K
- 5K
- 10K
- Half
- 22.4 mi
- +2
Registration closedView details
Fire Tower Trail Races
Cross River, NY34 wks outfrom $45
- 10K
- Half
from $45View details
That’s every race for this search.