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Historical weather

Historical Race Day Weather for the Trailbreaker Marathon

See historical race day weather for the Trailbreaker Marathon, including start temperature, humidity, wind, race day temperatures, PR score, and course score.

Weather Averages for Last 11 Years

Race day snapshot
Clear
Clear
Most common race morning weather across the last 11 years.
Start Line Conditions
Start Temp 33°F 1°C
Start Humidity 71% Humidity
Wind W 8 mph
Race day high 48°F 9°C
Race day low 28°F -2°C
PR Score 98.4 Weather-influenced race day scoring
Course Score 98.4 Course-only Score

Race Day Weather by Year

Most recent years appear first so you can quickly compare start conditions, temperatures, wind, and scores across different editions of the race.

March 29, 2026

Race day snapshot
Partially cloudy
Partially cloudy
Start Line Conditions
Start Temp 44°F 7°C
Start Humidity 51% Humidity
Wind W 10 mph Wind
Race day high 61°F 16°C
Race day low 39°F 4°C
PR Score 98.40 Normal score 98.40
Course Score 98.40 Course-only Score
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Course-adjusted pacing

Want to run your best Trailbreaker Marathon?

Trailbreaker Marathon Pace Bands are adjusted for the specific terrain of the course, your goal time, and pacing strategy.

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Easy to useCourse-aware pacing, goal-time based splits, and a cleaner race day plan.See all pace bands

April 6, 2025

Race day snapshot
Clear
Clear
Start Line Conditions
Start Temp 39°F 4°C
Start Humidity 52% Humidity
Wind NW 3 mph Wind
Race day high 49°F 9°C
Race day low 26°F -3°C
PR Score 98.40 Normal score 98.40
Course Score 98.40 Course-only Score

April 1, 2023

Race day snapshot
Overcast
Overcast
Start Line Conditions
Start Temp 35°F 2°C
Start Humidity 84% Humidity
Wind W 12 mph Wind
Race day high 46°F 8°C
Race day low 29°F -2°C
PR Score 98.40 Normal score 98.40
Course Score 98.40 Course-only Score

April 2, 2022

Race day snapshot
Overcast
Overcast
Start Line Conditions
Start Temp 34°F 1°C
Start Humidity 84% Humidity
Wind S 8 mph Wind
Race day high 42°F 6°C
Race day low 32°F 0°C
PR Score 98.40 Normal score 98.40
Course Score 98.40 Course-only Score

April 6, 2019

Race day snapshot
Foggy
Start Line Conditions
Start Temp 47°F 8°C
Start Humidity 92% Humidity
Wind S 3 mph Wind
Race day high 62°F 17°C
Race day low 40°F 4°C
PR Score 98.40 Normal score 98.40
Course Score 98.40 Course-only Score

April 7, 2018

Race day snapshot
Clear
Clear
Start Line Conditions
Start Temp 17°F -8°C
Start Humidity 59% Humidity
Wind WNW 10 mph Wind
Race day high 33°F 1°C
Race day low 12°F -11°C
PR Score 98.40 Normal score 98.40
Course Score 98.40 Course-only Score

April 1, 2017

Race day snapshot
Partly Cloudy
Partly Cloudy
Start Line Conditions
Start Temp 33°F 1°C
Start Humidity 77% Humidity
Wind NNW 4 mph Wind
Race day high 54°F 12°C
Race day low 31°F -1°C
PR Score 98.40 Normal score 98.40
Course Score 98.40 Course-only Score

April 2, 2016

Race day snapshot
Cloudy
Cloudy
Start Line Conditions
Start Temp 32°F 0°C
Start Humidity 68% Humidity
Wind SW 8 mph Wind
Race day high 37°F 3°C
Race day low 29°F -2°C
PR Score 98.40 Normal score 98.40
Course Score 98.40 Course-only Score

March 28, 2015

Race day snapshot
Clear
Clear
Start Line Conditions
Start Temp 18°F -8°C
Start Humidity 75% Humidity
Wind N 2 mph Wind
Race day high 35°F 2°C
Race day low 14°F -10°C
PR Score 98.40 Normal score 98.40
Course Score 98.40 Course-only Score

April 5, 2014

Race day snapshot
Mostly Clear
Mostly Clear
Start Line Conditions
Start Temp 32°F 0°C
Start Humidity 75% Humidity
Wind NW 8 mph Wind
Race day high 49°F 9°C
Race day low 28°F -2°C
PR Score 98.40 Normal score 98.40
Course Score 98.40 Course-only Score

April 6, 2013

Race day snapshot
Overcast
Overcast
Start Line Conditions
Start Temp 36°F 2°C
Start Humidity 68% Humidity
Wind SE 15 mph Wind
Race day high 60°F 16°C
Race day low 32°F 0°C
PR Score 98.40 Normal score 98.40
Course Score 98.40 Course-only Score