Speed Figures Explained: How to Use Beyer Numbers and Brisnet Ratings to Bet Horses

# Speed Figures Explained: How to Use Beyer Numbers and Brisnet Ratings to Bet Horses **A speed figure in horse racing is a numerical rating that translates a horse's raw race time into a standardized score, adjusted for track conditions and the inherent speed of the surface on that day. The result is a number that allows you to compare a horse that ran a 1:10.3 at Keeneland with one that ran a 1:10.0 at Churchill Downs — even though those two times mean very different things on those two surfaces. Speed figures are the most widely used handicapping tool in American thoroughbred racing, and understanding them properly is the baseline skill for any serious bettor.** The problem is not that speed figures are hard to understand. The problem is that most bettors use them incorrectly. They look at the most recent figure, pick the horse with the highest number, and bet it as if that were the entire analysis. That approach leads to backing favorites who are overpriced and missing the horses whose figure trajectory tells a story the raw number does not. ## How Speed Figures Are Calculated The calculation of a speed figure starts with the raw final time of a race and adjusts it in two ways. First, it accounts for the track variant — a mathematical adjustment that reflects how fast or slow the track was running on that specific day compared to its average. A track running fast due to ideal conditions will produce lower (faster) times across the board, and the variant adjusts for this so that a horse's figure reflects its individual performance rather than the surface's general speed that day. Second, the figure is adjusted for distance. A six-furlong time is not directly comparable to a mile-and-a-sixteenth time without normalization. Speed figure systems apply a par time for each distance — a benchmark time that a horse of average ability at that level would be expected to run — and measure each performance's deviation from that par. The result is a number that, across the major commercial services, is calibrated so that approximately 100 represents a good allowance-level horse, 110-115 represents stakes-level performance, and 120+ represents elite performance. Below 80 indicates maiden or lower-level claiming form. ## Beyer Speed Figures Andrew Beyer introduced his speed figure system in the early 1970s, and the Daily Racing Form has published Beyer Speed Figures (BSFs) as a standard data point in past performances since 1992. They are the most recognized speed figure in American racing. Beyer figures are calibrated to a common scale across all tracks, meaning a 95 Beyer at Belmont Park and a 95 Beyer at Del Mar represent equivalent performances regardless of the differences between those two surfaces. The variant calculation is recalibrated regularly to account for surface changes, track maintenance, and seasonal shifts. The practical limitations of Beyer figures are well documented within the handicapping community. They are finalized after the race and published the next morning — they are historical data, not real-time. They do not account for trip trouble, meaning a horse that was blocked or carried wide will show a lower figure than its actual physical effort warranted. And they are a single-race snapshot rather than a trend indicator. ## Brisnet Speed Ratings Brisnet (formerly BRIS) produces a parallel speed figure system used by many professional handicappers as a cross-reference to Beyer numbers. Brisnet figures are calibrated similarly but use a different mathematical methodology and a different set of track pars. Comparing a horse's Beyer figure to its Brisnet rating can reveal discrepancies that sometimes indicate trip trouble, pace influence, or surface anomalies that affected one figure more than the other. Brisnet also produces an Early Pace number and a Late Pace number separately from the overall speed figure. These pace numbers are particularly useful when combined with the overall figure to understand the shape of the performance. A horse with a high overall figure but a low Early Pace number ran a slow early fraction and accelerated late. A horse with a high Early Pace number and a declining overall figure expended its energy early and tired. Both patterns tell you something important about how that horse will likely run in its next race — information the overall speed figure alone cannot convey. ## How to Correctly Interpret Speed Figure Trends The single most important skill in speed figure analysis is reading trends rather than isolated numbers. A horse's most recent figure is the least reliable predictor of its next performance. What matters is the trajectory: is the horse improving, declining, or running consistently? **An ascending horse** shows speed figures that have been increasing over its last three to four races. This is the most bullish signal in figure analysis. A horse that ran 82, 87, 90, and 94 in its last four races is a different animal from a horse that has been running 94, 94, 94 consistently. The ascending horse may be underlaid at similar odds because its current ability has already surpassed its recent figure history. **A horse off a career top** — one that has just run its highest speed figure ever — is often unreliable in its next start. Very few horses reproduce their career-best figure consecutively. Most experience a regression to their mean ability level. This is one of the most consistently misused pieces of data in casual handicapping: bettors see the high number and assume the horse is now operating at that level permanently. **A horse with a sharp decline** in figures after a period of consistency is signaling something — physical distress, training issues, a class rise that exposed limitations, or simply a bad day. The question for handicappers is whether the decline is a one-time anomaly or a trend. If the horse then enters a race at a class level below where it has been performing, with favorable conditions, that bounce-back candidate at inflated odds is frequently the best value in the race. ## Speed Figures Versus Pace Figures: Using Both Together A complete picture of a horse's ability requires both speed and pace figures. A horse with a high overall speed figure achieved in a race where it stalked a fast pace and inherited the lead will not replicate that figure in a cold pace race where no such setup is available. Conversely, a horse with a moderate speed figure achieved in a slow pace race may actually be better than the number shows — it ran that figure without the tailwind of a contested pace setting up the race for it. The interaction between pace and speed is one of the fundamental analytical challenges in horse racing. When the projected pace scenario for an upcoming race perfectly suits a horse's figure trajectory — ascending figures combined with a running style that benefits from the projected pace — you have identified a convergence of two independent variables both pointing to the same horse. That convergence is statistically significant, and when the odds do not fully reflect it, the betting case is compelling. ## What Speed Figures Cannot Tell You Speed figures are backward-looking by definition. They tell you what a horse has done. They do not tell you about the physical state of the horse on the day of the race, the specific training program it has been through since its last start, its fitness level relative to its training schedule, or any number of other inputs that a trainer, exercise rider, or veterinarian would have access to and that would materially affect the horse's performance. This is why professional handicappers treat speed figures as the foundation of analysis rather than the conclusion. The figure tells you roughly where a horse's ability sits. Everything else — pace, conditions, class, connections, market signals — tells you whether that ability will be expressed in this specific race at this specific price. Speed figures are the most efficient starting point for handicapping a race because they compress an enormous amount of historical performance data into a single comparable number. Used correctly, as one component of a multi-variable assessment, they are enormously powerful. Used alone, as most casual bettors use them, they are an expensive shortcut that leaves the most actionable information on the table. --- *StrideOdds incorporates speed figure trends — including velocity of improvement, career top analysis, and pace-adjusted figure assessment — as part of its 10-variable Physics-First algorithm. Join the waitlist at strideodds.ai.*