Top Harbor is a length away from an unbeaten record in Northern California this year, which is why the 5-year-old horse will be favored to win Saturday’s $75,000 Oak Tree Sprint at the Alameda County Fair in Pleasanton.

After finishing second by three-quarters of a length in the El Dorado Shooter Stakes at Golden Gate Fields in February, Top Harbor won consecutive starts in an allowance race and the Lost in the Fog Stakes in April. The winning streak ended with a fast-closing second by a neck in the Albany Stakes at five furlongs on turf on June 11.

It wasn’t a dreadful trip for Oxana in the Skipat Stakes on the Preakness undercard at Pimlico. It wasn’t very good, either. A more favorable post position and better luck could help Oxana turn the tables on Olivia Darling in the $100,000 Regret Stakes on Saturday at Monmouth Park.

Those two horses are among seven older fillies and mares entered in the Regret, a six-furlong dirt contest carded as race 5, post time 2:32 p.m. Eastern.

ETOBOCOKE, Ontario – Reigning Canadian Horse of the Year Moira was upset when exiting the sidelines in Grade 3 Belle Mahone on the Tapeta. She goes back to the grass in Saturday’s Grade 2, $175,000 Nassau, one of five graded stakes on a holiday card at Woodbine billed as the Canada Day Racing Festival.

Fireline will be tested for class in the Grade 3, $300,000 Delaware Oaks on Saturday. The 1 1/16-mile race for 3-year-old fillies has a field of 10.

A Juddmonte homebred by Arrogate, Fireline graduated by 13 1/2 lengths last November in her second start, a maiden special weight. She missed the remainder of the year, but returned a winner in her seasonal debut, a first-level allowance at Belmont Park on May 18.

Trainer Chad Brown was pleased with the way Fireline took dirt in her face on the backstretch before passing the pacesetter.

Arollercoasterride is the horse to beat in the $50,000 Lieutenant Governor’s Handicap at 1 1/16 miles at Hastings on Saturday’s Canada Day card. The son of Curlin was both impressive and unlucky in proving his mettle last fall with a leap from maiden company straight into the British Columbia Derby.

Trainer Brad Cox’s barn figures prominently in all three turf stakes on Saturday’s card at Ellis Park, with millionaire Set Piece leading the charge in the Grade 2, $400,000 Wise Dan Stakes, a race he won two years ago.

Set Piece, a Juddmonte homebred, has won seven stakes in the United States since 2020. The most recent of those came in the Grade 3 Arlington Stakes on June 3 at Churchill Downs, his second start this season following a layoff.

Smile Happy as a 2-year-old of 2021 looked like he could be an elite among the elite. He followed a smashing debut with a galloping 3 1/2-length victory in the important Kentucky Jockey Club Stakes. His 3-year-old campaign began with a tough-trip second behind Epicenter, the leading colt in his class.

Invader Olivia’s Choice is the one they’ll have to fend off late in the featured $25,000 claiming event on Saturday at Emerald Downs. The Irish-bred daughter of Australian sire Elzaam was purchased by Jeremy Ramsland and recently shipped from California to the barn of Justin Evans.

“She’s doing great,” Evans said, adding that the filly is “very smart-feeling. Hoping she has a very bright future in our barn.”

Grade 1 winners A Mo Reay and Pauline’s Pearl, both emerging from the same race at Churchill Downs, look to return to their best form in the Grade 2, $400,000 Fleur de Lis Stakes for fillies and mares on Saturday afternoon at Ellis Park, one of two dirt stakes on the undercard of the Grade 1 Stephen Foster.

ETOBICOKE, Ontario – Eclipse champion Wonder Wheel will try to get back on the beam in her first start on Tapeta in Saturday’s Grade 3 Selene for fillies, one of two 1 1/16-mile stakes for 3-year-olds worth $150,000 on Woodbine’s Canada Day card, along with the Marine.

Wonder Wheel won four of five outings at 2, including the Grade 1 Breeders’ Cup Juvenile Fillies and the Grade 1 Alcibiades, both going 1 1/16 miles at Keeneland. She was voted the Eclipse Award for champion 2-year-old filly by a landslide margin.