10K FACSA Castelló

This edition is listed as 10K in Castelló de la Plana, Spain.

Typical race-morning air at 10K FACSA Castelló averages 7°C across the last 10 years (about 3°C to 10°C in that window). The morning can still warm as you run. The stickiest morning in that set was 2026, WBGT around 10°C. Use that range for planning, not as a promise for race day.

2026 (22 Feb 2026) was the hottest 10K FACSA Castelló morning in that set, WBGT around 10°C. Treat that year as the spike, not as the usual morning.

The 2026 race is behind you. Plan the next one from the historical race-morning weather on this page until the next date is published. Typical race-morning air averages 7°C.

Heat, humidity, wind or a lumpier day than you hoped all raise the chance of a late fade. If the start feels easy, don't spend it. Back off early, and hold even effort even if that means slower than the A-goal. The preview on this page is the starting point. Full personalised splits sit in Race Pass or Pro.

About 34 m of climbing and 32 m of descent. Mostly flat. Almost all of it sits within 2%. About 1% of the course is steeper than 6%. No counted climbs.

It is an estimate of how the course and conditions could move your baseline. Your body still decides the rest: heat adaptation, fuelling, prep, mindset, how you race, and whether you can draft.

The free page covers conditions, course context and a finish preview. Full personalised pacing and weather-adjusted splits sit in Race Pass or Pro.