Ontario Sires Stakes

Ontario Sires Stakes Nomination Reminder

February 25, 2026

The Ontario Sires Stakes (OSS) program coordinator would like to remind all participants with OSS-eligible yearlings that yearlings must be registered at the time of nomination and Standardbred Canada...

OSS Sustaining Payments For Three-Year-Olds Due

February 13, 2026

Owners intending to race three-year-olds in the Ontario Sires Stakes (OSS) program in 2026 are reminded that the sustaining payment must be received by Tuesday, Feb. 17 at 11:59 p.m. (EST).

Ontario Sires Stakes 2026 Schedule Released

February 06, 2026

The program, which has helped produce 155 Ontario-sired millionaire Standardbreds over five decades, will again offer five Gold legs, five Grassroots legs and year-end championship events in both.

OSS Three-Year-Old Sustaining Notices Mailed

January 09, 2026

The Ontario Sires Stakes (OSS) program coordinator would like to inform participants that three-year-old sustaining payment notices have been mailed to all registered owners of Ontario-sired three-yea...

December's Ontario Bred Rewards Distributed

December 12, 2025

The Ontario Sires Stakes (OSS) program would like to inform breeders that the Ontario Bred Rewards for December have been distributed.

OSS Stallion Registration Reminder

December 12, 2025

Individuals planning to stand a stallion in Ontario are reminded that those stallions must be registered with the Ontario Sires Stakes program prior to any mare(s) being bred in order for the offsprin...

OSS Stallion Registration Open For 2026 Season

December 01, 2025

The Ontario Sires Stakes (OSS) program is now accepting 2026 stallion registrations.

The 2025 Ontario Sires Stakes Super Final three-year-old winners in a collage

2025 Sophomore OSS Super Finals Complete

October 12, 2025

The three-year-old stars of the Ontario Sires Stakes contested their $300,000 Gold Super Finals on Saturday, Oct. 11 at Woodbine Mohawk Park, bringing the 2025 season of the provincial program to a cl...

Ontario Sires Stakes Super Final two-year-old champions Bingo Night, A Clean Deal, Beau Jangles and Strobe Lite

Freshmen Kick Off Ontario Sires Stakes Super Finals

October 11, 2025

The top two-year-olds in the Ontario Sires Stakes Gold Series kicked off the first of two nights of Super Finals at Woodbine Mohawk Park on Friday, Oct. 10 with the undefeated 10-time winner Beau Jang...

No Change To Three-Year-Old Filly Trot Super Final Draw

October 09, 2025

Following an appeal held on Thursday, Oct. 9, the Alcohol and Gaming Commission of Ontario has advised the Ontario Sires Stakes (OSS) office that there will be no changes to the draw for the three-yea...

Harness racing at Woodbine Mohawk Park on 2024 North America Cup Night

Stage Set For 2025 OSS Super Finals

October 08, 2025

Ontario's best will contest the Ontario Sires Stakes (OSS) Gold Super Finals, worth a total of $2.4 million, this weekend at Woodbine Mohawk Park.

Ontario Sires Stakes Super Final Draw Under Appeal

October 07, 2025

Following the completion of the draw for the three-year-old Ontario Sires Stakes (OSS) Super Finals, to be contested on Saturday, Oct. 11, the OSS office was informed of an emergency appeal filed in t...

Cattlewash

American Breeders Bullish On Ontario

October 06, 2025

United States Standardbred breeding titan Joe Thomson said there is a simple reason he’s bullish on producing horses in Ontario.