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Toukei Nisei Kinen 2025

Wurayah vs. Hiroshikun: The Battle for the Mizusawa Mile

A deep-dive prediction for the prestigious Toukei Nisei Kinen at Mizusawa Racecourse on Dec 14, 2025. We analyze the epic showdown between reigning champion Hiroshikun and JRA transfer star Wurayah, breaking down course fit, pedigree, and race dynamics to deliver our final expert picks.

Key Takeaways

Epic Showdown: The 2025 race is defined by the rivalry between Hiroshikun, the reigning king of the Mizusawa mile, and Wurayah, a rising star transferred from the JRA.

Treacherous Course: The winter Mizusawa 1600m dirt track is a unique challenge. Its tight turns favor front-runners, and anti-freeze agents create a power-draining, heavy surface.

Clash of Styles: Wurayah brings momentum and elite pedigree but faces a critical challenge with his inconsistent starts. Hiroshikun’s trump card is his unparalleled experience and proven track record on this specific course.

Verdict: Course suitability is paramount. We favor Hiroshikun as the top pick, with betting strategies built around the two titans.

Introduction: The Soul of Iwate Racing

In the annals of Iwate racing, “Toukei Nisei” is more than the name of a horse; it’s a myth. With a record of 39 wins from 43 starts, his legacy at Mizusawa established the very benchmark for strength in the snow-swept north.

The Toukei Nisei Kinen is not just another stakes race. It is the grand finale of the Iwate racing season, a supreme ritual to determine the strongest contender heading towards the prestigious Kirihana Sho.

This year’s race is crystal clear in its narrative: the reigning champion Hiroshikun, an immovable force at the Mizusawa mile, against the brilliant newcomer Wurayah, a JRA transfer who conquered the trial race, the Kizuna Cup. Our report will guide you to the heart of this contest.

Course Analysis: The “Demon’s Gauntlet” of Mizusawa’s 1600m Dirt

To predict with accuracy, one must understand the unique character of the Mizusawa 1600m course. Unlike the spacious and fair Morioka track, Mizusawa is tight, tricky, and in winter, its track conditions can be monstrously unpredictable.

FeatureCharacteristicImpact on Prediction
Start to First TurnShort (approx. 300m)Intense early pace. Outside gate positions are a significant disadvantage for front-runners.
Corner RadiusExtremely tightDemands agility. Horses with long strides can be pushed wide and lose ground.
Home StraightVery short (approx. 230m)Closers have almost no chance. The race is often decided by the 4th corner; being forward is essential.
ElevationAlmost flatNo hills to drain stamina, but the relentless pace makes it a grueling war of attrition.

The ironclad rule derived from this layout is: “Position is Everything.” A horse sitting worse than 5th at the final turn is facing a near-impossible task.

Contender Deep Dive: King’s Composure vs. Challenger’s Edge

The Challenger: Wurayah

Pedigree: New Approach / Wadi (by Pyro)

Profile: A Godolphin-bred with a potent mix of European stamina (sire) and American dirt speed (damsire). This combination is theoretically perfect for the power-sapping winter Mizusawa track.

Performance: Achieved top form in the autumn, culminating in a dominant victory in the Kizuna Cup trial. He’s proven he belongs at this level.

Weakness: His Achilles’ heel is the starting gate. A slow break on this short-stretch course could be fatal to his chances.

The Champion: Hiroshikun

Pedigree: Drefong / Esprit de Paris

Profile: Sired by US champion sprinter Drefong, his progeny are known for muscle, early speed, and tenacity. Hiroshikun embodies these traits, relishing the deep Mizusawa surface.

Performance: The undisputed king of this course, boasting an incredible 9 wins at Mizusawa’s 1600m. He possesses elite race IQ and a tenacious will to win.

Challenge: As the defending champion, he will be the primary target. He must withstand immense pressure from Wurayah and the rest of the field.

2025 Toukei Nisei Kinen: Full Analysis & Betting Strategy

Synthesizing all data points, we arrive at our final ratings for the key contenders.

HorseRatingRationale
Hiroshikun◎ Top PickThe absolute monarch of the Mizusawa mile. Course suitability, consistency, and early speed are flawless. A repeat victory is highly probable.
Wurayah〇 Strong ContenderHis raw talent may exceed Hiroshikun’s, but the risks associated with his start and adapting to the tight turns temper our rating slightly.
Boutoroi▲ Dark HorseThe key to exotic bets. If the top two engage in a self-destructive speed duel, he is the most likely to capitalize. A reliable pick for 3rd place.

Final Verdict: The Throne is Secure

Our top selection is ◎ Hiroshikun. His phenomenal record at this specific track and distance is an advantage that cannot be overstated. In the unique crucible of a winter race at Mizusawa, proven experience must be valued over raw potential.

Recommended Betting Strategy

Primary Bets (Exacta/Quinella)

Hiroshikun → Wurayah

Hiroshikun – Wurayah

Trifecta Formation (High Reward)

1st: Hiroshikun

2nd: Wurayah

3rd: Boutoroi, All Others

Conclusion: Witness a Legend in the Making

The 2025 Toukei Nisei Kinen presents a captivating narrative: the “perfected champion” Hiroshikun against the “evolving challenger” Wurayah. Our analysis, weighing every factor from data to pedigree, points to a repeat victory for Hiroshikun. But in horse racing, certainty is a fool’s errand. We may yet witness the moment Wurayah unleashes his full potential and ushers in a new era.

Your Next Move

For more detailed data, final picks from professional analysts, and AI-powered race simulations, visit our official race day portal.

Official Toukei Nisei Kinen 2025 Final Picks

This report is an analysis based on information available as of December 2025 and does not guarantee race results. Please bet responsibly.

ヤナシ社長(旧:生成系競馬予想)

競馬予想家 (経験20年)

データ関連企業の社長であり、学生時代にはアルゴリズムコンテストで世界3位に入賞したAI技術者。20年以上にわたり統計解析を競馬予想に応用してきた競馬予測家でもあります。生成系AIを駆使した客観的で革新的な競馬予想を提供し、「生成AI競走馬評価」などのコンテンツを通じて、競馬をより深く楽しめるようサポートしています。

専門分野: AIを使った競馬予想。生成AIを使ったコンテンツ作成
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主な活動実績 AI競馬マスターズ2023: 3位入賞 俺プロ: 馬将認定 参考成績(中央): https://yoso.netkeiba.com/?pid=yosoka_profile&id=562 参考成績(地方): https://yoso.netkeiba.com/nar/?pid=yosoka_profile&id=562

ヤナシ社長(旧:生成系競馬予想)

データ関連企業の社長であり、学生時代にはアルゴリズムコンテストで世界3位に入賞したAI技術者。20年以上にわたり統計解析を競馬予想に応用してきた競馬予測家でもあります。生成系AIを駆使した客観的で革新的な競馬予想を提供し、「生成AI競走馬評価」などのコンテンツを通じて、競馬をより深く楽しめるようサポートしています。

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ヤナシ社長(旧:生成系競馬予想)