朝日杯FS 2025 予想|一週前追い切りから有力馬を徹底分析

あさひ

[Updated: 2026-01-23 20:29:59] Revised by AI Assistant

December 14, 2025

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Analysis by AI

This article provides key prediction points for the 77th Asahi Hai Futurity Stakes (G1), scheduled for December 21, 2025. We thoroughly analyze the readiness of top contenders, focusing on their ‘one-week-out workouts.’ Featured horses include Admire Quads, a record-breaker in the Daily Hai Nisai Stakes; Ecolo Alba, boasting otherworldly late speed; and Diamond Knot, known for its high level of maturity. We delve into the core of this two-year-old mile championship, considering the characteristics of the Hanshin Turf 1600m course and each horse’s pedigree.

Key Takeaways from This Article

  • The 2025 Asahi Hai FS promises a high-level, competitive field, gathering multiple graded stakes winners.
  • Admire Quads shows no adverse effects from his record-breaking performance; a stellar one-week-out workout confirms he is in peak condition.
  • Ecolo Alba possesses exceptional late speed, with training movements that are among the best in the field; long-distance transportation is a crucial factor.
  • Diamond Knot exhibits excellent race sense and maturity, coupled with the versatility to race prominently, making him a highly reliable contender.
  • The Hanshin Turf 1600m features a challenging final uphill climb, demanding both “bottomless stamina” and “sustained acceleration.”

Table of Contents

  1. Asahi Hai FS 2025: Prediction Points and Course Characteristics Analysis
    1. Characteristics of the Hanshin Turf 1600m (Outer Course)
    2. Analysis of Top Contender Training Trends
  2. In-depth Analysis of Top Contenders
    1. Admire Quads: Record Holder Shows Perfect Readiness
    2. Ecolo Alba: Otherworldly Late Speed, Eastern Champion Challenges Hanshin
    3. Diamond Knot: High Maturity and Jockey’s Trust, an Unassailable Talent
    4. Cavaliere Izzo: Blue Blood Ready to Bloom, A Dark Horse with Reversal Potential
    5. Tagano Aralia: Slope Training Star, a Speedster with Upset Potential
  3. Other Notable Contenders: Brief Analysis
    1. Realise Sirius
    2. Kakuuchi
    3. Sun Bright
    4. Good Peace
    5. Red Ligare
  4. Overall Assessment & Conclusion
    1. Condition Assessment
    2. Pedigree & Aptitude Assessment
    3. Final Conclusion

Asahi Hai FS 2025: Prediction Points and Course Characteristics Analysis

Scheduled for December 21, 2025, at Hanshin Racecourse, the 77th Asahi Hai Futurity Stakes (G1) over 1600m on turf (outer course) stands as a pivotal event to crown the two-year-old mile champion. This year’s field is exceptionally strong, featuring a competitive lineup of graded stakes winners and highly talented prospects.

Characteristics of the Hanshin Turf 1600m (Outer Course)

The Hanshin Turf 1600m outer course is designed with relatively little bias towards starting gate positions. However, its most defining feature is the steep uphill climb before the finish line. This demands not just pure speed, but also “bottomless stamina” and “sustained acceleration” to maintain momentum to the very end. The following three factors are crucial for success in this race:

  • “Response in the Finish” during Workouts: Assessing whether a horse can achieve an accelerating final furlong in its workout indicates its stamina for tackling the challenging uphill.
  • Mile Suitability and Settling Ability: The mental maturity to relax during the race and conserve energy for a powerful burst in the straight is key.
  • Pedigree Background: Horses with the sharp turn of foot of the Sunday Silence line or the complementary power of the American Northern Dancer line tend to perform well.

Analysis of Top Contender Training Trends

Most of the favored contenders are observed to utilize a combined training pattern: longer workouts on the Ritto Woodchip (CW) course along with speed training on the uphill slope. Specifically, the “hard one-week-out, light final week” adjustment pattern, where significant effort is applied a week before the race and the final week is for fine-tuning, is typical for successful horses and often differentiates top performers.

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In-depth Analysis of Top Contenders

Here, we provide a detailed analysis for each prospective runner. Integrating their one-week-out workout times, lap splits, companion horse performance, and pedigree background, we discuss their potential for the main event.

Admire Quads: Record Holder Shows Perfect Readiness

Admire Quads, who showcased overwhelming speed by setting a new record in his previous Daily Hai Nisai Stakes win, had concerns regarding potential after-effects. However, judging by his one-week-out adjustment, all anxieties are dispelled, as he appears to be in a period of complete readiness.

Training Analysis: One-Week-Out Workout Assessment

DateCourseJockey/RiderTime (6F-1F)PositionEffortComment
12/11Ritto CWR. Sakai82.9 – 67.6 – 52.4 – 36.3 – 11.2InsideStrong finishPowerful stride

While the overall time is excellent, the last furlong of 11.2 seconds, demonstrating a sharp turn of foot, is particularly noteworthy. He has maintained consistent vitality throughout his intermediate training, and his springy, athletic stride, showing no signs of fatigue from his previous race, indicates his high level of current maturity.

Pedigree and Aptitude Analysis

Sired by Real Steel (Deep Impact line) out of a mare by Storm Cat, this is a golden cross that exquisitely balances the “sharpness” and “power” required for Hanshin’s mile course.

Previous Race Review and Outlook for the Main Event

His record-breaking victory in the Daily Hai Nisai Stakes saw Jockey Sakai praise his tractability and fighting spirit. The fact that he has been trained smoothly after such a fierce race is his greatest strength, solidifying his undeniable status as a top contender for victory.

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Ecolo Alba: Otherworldly Late Speed, Eastern Champion Challenges Hanshin

Ecolo Alba’s performance in Tokyo’s mile race was that of a “superstar.” While long-distance transportation from Miho presents a challenge, his training movements possess a compelling power that more than compensates for it.

Training Analysis: One-Week-Out Workout Assessment

DateCourseJockey/RiderTime (5F-1F)EffortComment
12/10Miho WAssistant65.3 – 50.6 – 36.3 – 11.4Driven hardExcellent late stretch

His excellent time significantly surpasses the standard, and his footwork, capable of making open-class older horses look like youngsters, transcends what is expected of a two-year-old.

Pedigree and Aptitude Analysis

Sired by Mozu Ascot out of a mare by Hennessy (Storm Cat line), his pedigree is tailored for speed and power. He possesses the strength to handle Hanshin’s steep uphill without any trouble.

Previous Race Review and Outlook for the Main Event

In the Saudi Arabia Royal Cup, he pulled off the remarkable feat of coming from last place after a poor start to overtake all rivals. While start issues remain a concern, Hanshin’s long outer course straight is the perfect stage for him to unleash his unparalleled late speed.

Diamond Knot: High Maturity and Jockey’s Trust, an Unassailable Talent

Diamond Knot, who clinched the Keio Hai Nisai Stakes, aims for an unbeaten record. The stable’s profound commitment is palpable.

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Training Analysis: One-Week-Out Workout Assessment

DateCourseJockey/RiderTime (6F-1F)PositionEffortComment
12/10Ritto CWTrainer81.0 – 65.8 – 51.9 – 37.0 – 11.5InsideStrongly urgedSure-footed

His performance, easily beating his companion horse, was superb, revealing a strong core with no deviation in his form. There are no apparent concerns regarding his condition.

Pedigree and Aptitude Analysis

Sired by Bricks and Mortar (Storm Cat line) out of a Deep Impact mare, his pedigree aligns with modern Japanese racing trends. It is highly probable that the mile distance is his optimal condition.

Previous Race Review and Outlook for the Main Event

He achieved a dominant victory in the Keio Hai Nisai Stakes. His excellent race sense is arguably the best in the field, and his versatility to race prominently is a significant asset. Imagining him faltering is difficult, making him an ideal anchor horse.

Cavaliere Izzo: Blue Blood Ready to Bloom, A Dark Horse with Reversal Potential

Although defeated to finish 2nd in the Daily Hai Nisai Stakes, Cavaliere Izzo showcased his high potential. Exhibiting the growth curve typical of a blue-blooded horse, he is a presence that cannot be ignored as a dark horse with reversal potential.

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Training Analysis: One-Week-Out Workout Assessment

DateCourseJockey/RiderTimeComment
12/10Ritto SlopesAssistant4F 58.9 – 14.1 (Hand-ridden)
12/06Ritto CWAssistant6F 83.1 – 12.1 (Hand-ridden)Powerful, driving run

Having undergone a demanding workout on the CW course over the weekend, his training progression is judged as smooth. While significant improvement is not strongly emphasized, he is maintaining a high level of condition.

Pedigree and Aptitude Analysis

Sired by Saturnalia, out of a Hearts Cry mare, and with the legendary Cesario as his granddam, he is a super blue-blooded horse. The Hanshin mile course is more than sufficient for him to unleash his full potential.

Previous Race Review and Outlook for the Main Event

He displayed mental immaturity in his previous race, but there is high anticipation for the learning ability characteristic of Saturnalia progeny. If his immaturity is overcome, he certainly possesses the ability to contend for victory.

Tagano Aralia: Slope Training Star, a Speedster with Upset Potential

Riding a wave of momentum after winning the Shumeigiku Sho, Tagano Aralia exhibits sprinter-like speed in her uphill slope workouts.

Training Analysis: One-Week-Out Workout Assessment

DateCourseJockey/RiderTime (4F-1F)EffortComment
12/11Ritto SlopesAssistant54.8 –

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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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