System Builder

Build a betting strategy from hundreds of racing criteria and back-test it against 20 years of results before a penny goes on.

Try it free for 14 days

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Filter criteria

Hundreds

Results archive

Last, best, average

Settlement

SP and BSP

Turn a hunch into a tested rule set

Stack conditions in plain language — race distance, class, going, field size, draw, days since last run, trainer form, speed figure thresholds — and the builder returns every qualifying historical runner instantly. If the idea does not stand up, you find out in seconds instead of over a losing season.

Honest performance numbers

Every back-test reports bets, winners, strike rate, profit and loss at both Starting Price and Betfair SP, return on investment, longest losing run and maximum drawdown. Seeing the drawdown next to the profit is what tells you whether a system is actually stakeable.

From back-test to today's card

Once a system is saved, its qualifiers are picked out on today’s racing automatically, so the daily work is checking a short list rather than rebuilding the analysis every morning.

How members use it

Step 1

Start with one clear idea, such as front-runners in small-field sprints

Step 2

Add rules one at a time and watch the sample size

Step 3

Check the year-by-year profit, not just the total

Step 4

Save the system and review its live qualifiers each day

Frequently asked questions

How far back can I test a system?

Across more than 20 years of UK and Irish results held in the database.

Do I need to know how to code?

No. Rules are chosen from dropdown criteria — there is no scripting or spreadsheet work involved.

How many qualifying bets make a result meaningful?

As a rough guide, treat anything under a few hundred qualifiers with caution and always check the profit is spread across years rather than driven by one big-priced winner.