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Assiniboia Picks & Predictions — September 16, 2026
Rain is falling at Assiniboia Downs this Wednesday, with temperatures sitting at a cool 53°F and a wet dirt track that figures to play a major role in how this 7-race card unfolds. When the strip gets muddy at Asso, pace dynamics shift, closers can pick up ground they'd never find on a fast track, and horses with prior wet-track experience move way up the priority list.
We've got a little bit of everything today — maiden claimers trying to break their duck, a pair of straight claimers at six furlongs, an allowance optional claiming sprint, and the marquee event: a Stakes race going the long way around at 1 1/8 miles. Seven races, one tough afternoon of handicapping, and TrackWiz has you covered from the first post to the last.
Three races are open to all readers, giving you a solid starting point before the card heats up. The premium analysis locks in on four additional races where the real meat of today's wagering opportunities lives.
Best Bets
Race 1
Claiming · 7 fur · Dirt
A small but competitive claiming field at 7 furlongs where two horses stand well above the rest on TrackWiz ratings, making for a clear top pair — but the morning line tells a different story than our numbers.
Ms Bumblebee (4) tops our TrackWiz ratings at 88.54 — the highest mark in this field — and her average speed figure of 54 is the best of any horse in the race. At 2/1 on the morning line, she's not being overlooked by the oddsmakers either, suggesting the public agrees she belongs on top. The Nathan Haar/Robert J. Haar jockey-trainer combo is always worth noting — family operations often mean strong communication and horse knowledge. A 5% career win rate is modest, but the raw performance metrics say this horse is capable of a big effort today.
Grenache (2) is the morning-line favorite at even money and carries a solid 86.46 TrackWiz rating, making her the clear second choice in our model. A 11% career win rate is respectable in this kind of claiming company, and trainer Wendy Anderson keeps horses running consistently. If the pace scenario sets up for a presser or closer, Grenache looks like a horse who will be right there at the wire.
No Barb Wire (3) brings the best career win rate in the field at 15% — a number that suggests this horse knows how to finish. The 4/1 morning line offers decent show value in a five-horse field, and trainer Marion Johnston gives her a legitimate shot in a race that doesn't require a massive performance to land a check. A useful piece for exacta and trifecta coverage.
Race 2
Maiden Claiming · 7 fur · Dirt
A wide-open maiden claiming sprint where nobody in the field has ever won — but that doesn't mean the numbers are equal. TrackWiz sees a clear hierarchy here, and there's a genuine longshot angle worth exploring.
Canadian Lites (1) leads our TrackWiz ratings at 86.66 in a field where no horse has a win on their record, which makes the top of the ratings all the more meaningful. Her average speed figure of 52 is competitive with the field, and trainer Judy Hunter has the rail post well-covered with jockey Rachaad Knights in the irons. At 6/5, the market agrees she's the one to beat — and in a maiden field this evenly matched on paper, the highest-rated horse deserves respect.
Pleasant Time (2) holds down third in our ratings at 68.91 and matches the field-standard speed figure of 52. Trainer Steven Thompson keeps horses competitive, and at 5/1, there's real place value here if the top two in the market tangle early. She profiles as the type who could sneak into the exacta or trifecta without much fanfare.
Rating board at 68.9. Ridden by Roger Hewitt. Ranked 2nd for recent race speed at 13.15 sec/furlong. Has placed in the last 2 races.
Race 3
Allowance Optional Claiming · 6 fur · Dirt
An allowance optional claiming sprint at 6 furlongs that shapes up as a pace battle between experienced winners — Wecanonlyimagine's elite career win rate is the wild card in an otherwise tightly contested race.
She's My Niece (2) is the top-rated horse in this field at 88.54 on TrackWiz and brings a career win rate of 21% — a mark that suggests she converts when conditions are right. Trainer William Tourangeau has her set up in an allowance optional claiming spot, and Antonio Whitehall gets the call from a comfortable outside-post draw. At 2/1 on the morning line, she's a fair price for a horse with the best numbers in the field.
Wecanonlyimagine (3) has the most eye-catching number in the entire race — a 37% career win rate that is frankly outstanding for any level of competition. Her TrackWiz rating of 70.85 puts her third in the field, but that career win percentage says she punches above her weight consistently. Trainer Jared Brown and jockey Kerron Khelawan are a familiar pairing at Assiniboia, and at 3/1, this horse looks like a legitimate place threat and possibly more.
Chai (1) draws the rail and comes in at 8/5 on the morning line — actually the shortest price in the field — despite rating third on our model at 65.89. Trainer Judy Hunter keeps her competitive with an 18% career win rate, and Damario Bynoe is an active and capable rider at this meet. She could easily upset the order if she gets a clean trip from the inside, making her a necessary inclusion in any exotic wager.
Our three free races today give you a strong cross-section of the card. Ms Bumblebee kicks things off in Race 1 at 7 furlongs — a TrackWiz rating of 88.54 makes her our highest-rated top pick on the entire card, and at 2/1 on the morning line, she's not a chalk play you need to apologize for. Race 2 brings Canadian Lites into the maiden claiming ranks, sitting as the short-priced morning line favorite at 6/5 with an 86.66 rating to back it up. And in Race 3, She's My Niece steps into allowance optional claiming company at 6 furlongs — another 88.54 rating, another 2/1 shot who deserves serious consideration, especially with the wet going that may thin out pace in the shorter sprints.
One theme connecting these free picks: all three races are on a rain-affected dirt surface. Horses that can handle off-track conditions — whether they've shown it in past results or their breeding suggests it — get a meaningful bump in our models today. Keep that in mind as you build your tickets.
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Bottom line for today at Assiniboia: the wet dirt is the story, Ms Bumblebee and She's My Niece headline the free plays as our top-rated picks on the card, and the Stakes in Race 6 offers a potential longshot opportunity with Attack at 8/1. It's the kind of rainy-day card that rewards sharp preparation over gut feelings — and that's exactly what the full TrackWiz analysis is built for. Good luck out there, and as always, bet within your means.