City of Trees Marathon

City of Trees Marathon 2026 Course Analysis

City of Trees Marathon is a full marathon held in Boise, United States of America. It is scheduled for Sunday 11 October 2026. The course is run on road surface with 0m of total climbing, with its high point near 0m above sea level. For registration and full race details, visit the official City of Trees Marathon website.

Elevation Profile

This is a very flat course, with only 0m of total climbing and little change in altitude throughout. Flat profiles let you hold an even pace from start to finish, which makes this a fast, PB-friendly race.

Expected Race Day Weather

Based on historical weather data for October, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 9°C to 17°C. This temperature range is widely considered optimal for marathon performance, allowing efficient heat dissipation without cold-related issues. There is a low chance of rain (10%), so dry conditions are likely.

Surface Type: Road

City of Trees Marathon is run on road surfaces, which provide the fastest and most predictable conditions for racing. Road courses allow for consistent pacing and are typically the best choice for a personal best.

Looking for an easier marathon or a tougher challenge? You can also compare City of Trees Marathon against other marathons to find the right race for your goals.