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Marathon Pace Bands

Marathon Pace Bands

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Best Boston Marathon Qualifiers

Best Boston Marathon Qualifiers

It's here! Our annual list of the year's
best marathons to help you qualify for the Boston Marathon.

Historical Race Day Weather for the Potomac River Run Marathon

Weather Averages for Last 11 Years

Race Day Temperatures	High: 70°F (21°C) Low: 51°F (11°C)
Race Start Conditions	54°F (12°C) Humidity: 77% Clear ESE 5 mph
PR Score	89.6
Course Score	90.28

May 4, 2024

Race Day Temperatures	High: 56°F (13°C) Low: 52°F (11°C)
Race Start Conditions	53°F (12°C) Humidity: 90% Rain, Overcast ESE 6 mph
PR Score (Normal Score)	0.00 (98.84)
Course Score	0.00

Marathon Pace Bands

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May 6, 2023

Race Day Temperatures	High: 72°F (22°C) Low: 46°F (8°C)
Race Start Conditions	53°F (12°C) Humidity: 80% Clear N 2 mph
PR Score (Normal Score)	98.89 (98.84)
Course Score	99.53

May 1, 2022

Race Day Temperatures	High: 70°F (21°C) Low: 49°F (9°C)
Race Start Conditions	51°F (11°C) Humidity: 79% Mostly Cloudy ESE 2 mph
PR Score (Normal Score)	99.08 (98.84)
Course Score	99.53

May 2, 2021

Race Day Temperatures	High: 86°F (30°C) Low: 52°F (11°C)
Race Start Conditions	54°F (12°C) Humidity: 53% Clear SW 5 mph
PR Score (Normal Score)	98.75 (98.84)
Course Score	99.25

May 5, 2019

Race Day Temperatures	High: 67°F (19°C) Low: 60°F (16°C)
Race Start Conditions	64°F (18°C) Humidity: 97% Drizzle E 3 mph
PR Score (Normal Score)	95.37 (98.84)
Course Score	99.25

May 6, 2018

Race Day Temperatures	High: 75°F (24°C) Low: 57°F (14°C)
Race Start Conditions	57°F (14°C) Humidity: 83% Partly Cloudy ENE 2 mph
PR Score (Normal Score)	97.88 (98.84)
Course Score	99.25

May 7, 2017

Race Day Temperatures	High: 61°F (16°C) Low: 46°F (8°C)
Race Start Conditions	47°F (8°C) Humidity: 73% Sunny W 7 mph
PR Score (Normal Score)	99.25 (98.84)
Course Score	99.25

May 1, 2016

Race Day Temperatures	High: 66°F (19°C) Low: 52°F (11°C)
Race Start Conditions	55°F (13°C) Humidity: 84% Cloudy SE 6 mph
PR Score (Normal Score)	98.59 (98.84)
Course Score	99.25

May 3, 2015

Race Day Temperatures	High: 79°F (26°C) Low: 51°F (11°C)
Race Start Conditions	52°F (11°C) Humidity: 80% Clear NW 3 mph
PR Score (Normal Score)	99.25 (98.84)
Course Score	99.25

May 4, 2014

Race Day Temperatures	High: 73°F (23°C) Low: 50°F (10°C)
Race Start Conditions	56°F (13°C) Humidity: 61% Partly Cloudy SW 6 mph
PR Score (Normal Score)	99.25 (98.84)
Course Score	99.25

May 5, 2013

Race Day Temperatures	High: 65°F (18°C) Low: 43°F (6°C)
Race Start Conditions	49°F (9°C) Humidity: 71% Mostly Cloudy NE 8 mph
PR Score (Normal Score)	99.25 (98.84)
Course Score	99.25