How Long Is a Mare in Foal?

Are you wondering when your pregnant mare will foal? Use our Mare Gestation Calculator to find out! The average gestation length in the mare ranges from 320 to 362 days; most mares will foal within 330-345 days of successful breeding.

How long do mares carry foals?

The average gestation length of the mare is 340 days (range 315-365 days) and gives ample time to prepare for the arrival of the newborn foal. Mares due in winter tend to carry their foals longer than mares due in summer.

How long does a mare carry her baby?

The normal gestation length for a mare can range from 320 to 360 days, with the average being around 340 days. Stage One The first stage of labor is generally the longest and may take from one to four hours. The mare may act restless, circling her stall or paddock.