Speed figs: HRN's top 10 daily winners and fastest maidens

Photo: Courtesy Colonial Downs

Rigel led all performers Thursday with a 126 Horse Racing Nation speed figure at Colonial Downs in the fourth race. The 5-year-old gelding by Carpe Diem captured a 1 3/16-mile starter optional claimer on turf at 8-5 odds. This marked his seventh career victory in his 21st start.

Militia earned a 126 HRN speed figure at Delaware Park in a 5 1/2-furlong dirt starter allowance. The 3-year-old filly by Army Mule won at 3-1 odds in a dominant win by 4 3/4 lengths. This was her second career victory in her sixth start.

The Heights completed the top three with a 120 HRN speed figure at Delaware Park in a six-furlong claiming race on dirt. The 5-year-old gelding by Nyquist scored at 6-1 odds, recording his fifth career win from 29 starts. He is out of Pangburn, a Grade 2-placed mare who earned $338,000, and his top sibling Caddo River by Hard Spun was Grade 1-placed and earned $838,000.

Thursday's top 10 speed figures

HRN Horse Sire Age Race Distance
126 Rigel Carpe Diem 5G CNL 4 1 3/16 turf
126 Militia Army Mule 3F DEL 2 5 1/2f dirt
120 The Heights Nyquist 5G DEL 4 6f dirt
120 Kirin Lord Nelson 3G CNL 2 6f dirt
118 Cairo Street Cairo Prince 4F CNL 8 1 mile turf
118 Script Algorithms 6G KD 8 6 1/2f turf
117 Ice Express Keen Ice 4G IND 5 6f dirt
114 Sardis Into Mischief 4G KD 3 1 mile turf
113 Two Beers by Ten Omaha Beach 4C IND 8 1 3/16 turf
112 Mambo Queen Mendelssohn 3F CNL 5 1 mile turf

Fastest maiden winners

Mambo Queen posted the day's highest maiden winner figure with a 112 HRN speed figure at Colonial Downs. The 3-year-old filly by Mendelssohn won a one-mile maiden claimer on turf at 6-5 odds in her fifth career start. She is out of Painter's Muse, a Smart Strike mare, and her top sibling James Jones by More Than Ready has earned $141,000.

Musical impressed with a 111 HRN speed figure in a six-furlong dirt maiden claimer at Delaware Park. The 3-year-old colt by Candy Ride won at 2-5 odds in his second career start. He is out of Melody by Street Sense, and his top sibling Maestro by Candy Ride has earned $3,000.

Honey Dutch earned a 101 HRN speed figure at Kentucky Downs in his third career start in a dominant win by 6 3/4 lengths. The 2-year-old colt by Knicks Go finished a one-mile maiden special weight on turf at 10-1 odds. He is out of Ms V Time by Tiznow who earned $33,000.

Thursday's top maiden winners

HRN Horse Sire Age Race Distance
112 Mambo Queen Mendelssohn 3F CNL 5 1 mile turf
111 Musical Candy Ride 3C DEL 8 6f dirt
101 Going Lucky Lookin At Lucky 3F WO 6 6 1/2f syn
101 Honey Dutch Knicks Go 2C KD 11 1 mile turf
99 Repentless Violence 2C KD 1 7f turf
98 Imaginationthelady Not This Time 2F KD 5 1 mile turf
97 Vrana Lope de Vega 4F WO 7 7f syn
93 Unmerited Favor Summer Front 3F KD 2 1 5/16 turf
83 Big Earn Warrior's Reward 4F CNL 1 5 1/2f turf
79 Daddys Dreamin Maximus Mischief 3F IND 7 5 1/2f dirt

About HRN speed figures

HRN speed figures are AI-generated using HRN's proprietary machine-learning algorithms. Although they involve less human input than other speed figures, we see that as a plus as human adjustments often knock down surprisingly good performances to match expectations. HRN speed figures were launched in December 2024, and our expectation is also that the AI-generated speed figures will continuously get better over time.

The HRN speed figure scale goes from 1 to 160. Part of the reason for this higher scale is this helps us avoid assigning a speed figure of zero. For some products, in weaker races, half the field or more may get a speed figure of zero, which leads to inaccuracy and defeats the purpose of speed figures.

Because the HRN speed figures are based on machine learning, as we improve our models we can compute the numbers historically. 

Using the top last-race speed figure as a benchmark, here are stats from 2021 to 2024 for HRN and other speed-figure providers:

Top HRN figure, 26.2% winners

Top Beyer figure, 28.1% winners

Top TimeformUS figure, 28.4% winners

Although all HRN speed figures are published on individual horse profile pages on a weekly basis, the daily reports are focused on the top and medium-tier tracks, which represent the majority of top speed figures.

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