Why does going change form?
Soft ground rewards stamina, action and powerful pasterns that can plough through cut. Firm ground rewards speed, balance and shorter strides. A horse bred for stamina (e.g. by a deep National Hunt sire) often comes alive on soft; a horse with a quick, low action often handles firm best. Trip preferences also shift — horses can stretch their best distance by a furlong or more on soft.
Where can I see going-specific form?
Each horse profile on Racing Alpha lists every past run with the going as reported on the day. The /horses/[id] page lets you compare ratings (RPR/TS) across different going types — strong wins on soft followed by flat efforts on good often reveal a clear preference. The career trajectory chart also shows positional changes that often correlate with going.
How accurate is the going report?
Best-effort. Clerks update it morning of and again after the first race, and overall it's a reliable signal. But going can vary across a course — rail movements expose unraced ground; one side of the straight may be softer; sun and wind can dry things mid-card. Trainers and jockeys sometimes know better than the official report.
What's the going at most UK meetings?
Highly seasonal. UK jumps season (autumn-spring) trends to good-to-soft / soft / heavy. UK flat season (April-October) trends to good / good-to-firm in the summer and good-to-soft in the spring/autumn shoulders. All-weather tracks (Wolverhampton, Lingfield, Kempton AW) ride consistently across the year — usually described as 'standard'.