Over the past 10 years, The Wall Ultra runners have faced temperatures ranging from 13\u00b0C (56\u00b0F) on cooler years to 21\u00b0C (70\u00b0F) in warmer editions. The median temperature of 17\u00b0C (63\u00b0F) puts this race in the neutral category for running conditions.
Wind speeds average 13 km/h during race hours, with peak gusts reaching 21 km/h in challenging years. Humidity sits around 70%, and there is a 60% chance of rain on race day.
These conditions translate to an estimated pace impact of +4.5% compared to ideal running conditions. For a 4-hour marathoner, that means roughly 11 minutes slower than a perfect-weather day.