Last updated: 25 May 2026
You open the racecard, scan the speed ratings, and back the highest number. Twenty minutes later your horse has trailed in fifth and the winner had a figure six points lower. The number wasn’t wrong. The reading of it was.
Speed figures are the most misused data in horse racing. Most bettors treat them as a verdict; they were only ever a sample. Horse racing speed graphs fix that by showing the whole picture, not just the peak.
In short: A horse racing speed graph plots every recent speed figure for each runner in a race so you can compare profiles, not single numbers. Race Advisor’s speed graphs let you filter by going, distance and class so the comparison is honest. Across 1.27 million UK runners, the top Dynamic speed rating in a race wins 18.9% of the time at an A/E of 1.05 to Betfair SP, but that edge concentrates in jumps racing, not flat.
What A Horse Racing Speed Graph Actually Is
A speed graph plots each horse’s last several speed figures as points on a chart, one line per horse, in date order. The vertical axis is the rating; the horizontal axis is time. The horse with the highest average is named on the right.
That sounds basic. The leverage comes from what you can do with it. Race Advisor’s speed graphs let you filter the visible races by going, distance, class, and race type. Strip out the runs that bear no resemblance to today and the averages recalculate live. Suddenly the headline figure stops flattering horses who ran their best on the wrong day at the wrong course.
Each point is one race. Each line is a profile. The graph turns a flat number into a story; consistency, peaks, troughs, and the direction of travel.
Why A Profile Beats A Snapshot
Most bettors back the top speed rating and assume the work is done. Race Advisor’s analysis of 1,275,965 UK runners between July 2013 and March 2026 shows that the top Dynamic speed rating in a race wins 18.9% of the time. Rank two wins 16.0%. Rank five and below wins just 8.1%. The gradient is real.
The catch sits in the A/E ratio (actual wins divided by expected wins from Betfair SP, the cleanest measure of whether a factor produces value). Across every rank, the A/E sits between 1.03 and 1.06. The market has already absorbed most of the signal. Backing the top speed rating blind, at the available price, leaves you with a trickle of edge that vanishes once commission is taken out.
This is why profile beats snapshot. The top rated horse on paper might be there because of one outlier run two months ago at the wrong course. Strip that run out (because today is a different trip, on different ground, in a different class) and a different horse leads the chart. That’s the comparison the graph makes possible. A single number cannot.
Reading A Speed Graph In Four Minutes
The method is identical whether you’re previewing a Wolverhampton handicap on a Wednesday or a Cheltenham handicap chase on a Saturday. Four steps.
- Filter to today’s conditions. Match the going, distance and race type. Horses with no comparable runs simply drop off the chart, which is the point.
- Read the right-hand averages. The numbers next to each horse’s name now reflect only the relevant races. The top average is your starting candidate, not your final answer.
- Check trajectory, not just height. Is the line climbing, flat, or falling? A horse averaging 90 with the last three runs at 85, 92, 98 is on a different journey to one averaging 90 with the last three at 95, 90, 85.
- Hunt for outliers. If one horse’s average is being held up by a single freak run, treat it with caution. If another’s is being held down by one bad day in unsuitable conditions, that’s an eyecatcher.
Four minutes. You should know which one or two horses are worth backing, which to lay against, and which races to leave alone because the graph doesn’t separate the field.
What 13 Years Of Speed Data Says
Two findings from Race Advisor’s dataset reshape how the graph should be read.
Speed pars shift sharply with ground. Across 1,026,671 UK runners, the average Overall Par is 183.6 on Heavy ground but 104.7 on Standard All Weather. A 110 figure on Heavy is mid-table. The same 110 on Standard AW is competitive. Without the filter, you are comparing horses across surfaces that score on different scales. That is the single biggest reason a flat ratings column misleads.
The speed edge concentrates in jumps, not flat. Break the top-rank A/E down by race type and the picture changes. On Chase Turf, the top Dynamic speed rating wins 24.0% of the time across 22,921 races at an A/E of 1.25 to Betfair SP. On Hurdle Turf, 19.6% at 1.09. On Flat Turf, 17.9% at 1.01. On Flat AW, 16.8% at 0.98. Flat racing is the cleanest data, the most stable conditions, and the most efficiently priced. The under-explored corner is jumps, where the market still under-prices the horse with the strongest recent speed profile by roughly 25% on chases.
And on trajectory: across 614,465 runners with a measurable speed regression angle, horses on a sharp improving line (regression angle above 1.5) win at 13.7% and an A/E of 1.05. Sharp decliners win at 11.7% and an A/E of 1.04. The direction of the line genuinely matters, but the market is mostly awake to it.
When Speed Graphs Earn Their Keep
The graphs work hardest in races where speed is the dominant variable and the rest of the noise is low. All Weather, sprint flat, and lower-class races fit that brief: ground is stable, the trip is short enough that pace shocks are rare, and the field is small enough to scan in a glance. That is where you build the technique.
The data says something different about where the betting edge lives. On a Saturday card of jumps handicaps, the graph is doing more work than the market is acknowledging. The conditions are messier, the variance is wider, and most bettors retreat to form figures and trainer reputations. The speed profile is still telling them who is most likely to outrun their figure today. They just aren’t looking.
Pace and speed interact. A horse with the best speed profile on the page can still be beaten by a tactical race that suits the second-fastest. For that lens see our guide to how pace affects results.
The Payoff: Stop Asking Who Has The Highest Number
The bettor who reads speed ratings as a column stops at “who is fastest”. The bettor who reads them as a graph asks a better question: who has the right profile for today? That is the entire game. A horse with a higher peak but the wrong shape is a worse bet than a horse with a lower peak and the right one. The graph makes that obvious in four minutes; the column never does.
That is also the essence of Race Advisor’s analytical approach across the racecard: ratings are guides, not verdicts. The same discipline runs through how PR ratings should be read; range and consistency over a single peak number.
Try It On Today’s Card
Race Advisor’s Speed Graphs sit inside the Speed & Pace tab of every race, live for today’s cards. Pick one race, filter to the conditions, and run the four-step method. You’ll know inside one card whether the technique is for you.
