FAQ

Contact Info:
Boston Office (Administration)
185 Dartmouth Street
6th floor
Boston MA 02116
phone:617-236-1652
fax:617-236-4505
e-mail:info@baa.org
Hopkinton Office (Registration)
“The Starting Line”/One Ash St.
Hopkinton MA 01748
phone:508-435-6905
fax:508-435-6590
e-mail:info@baa.org

Frequently Asked Questions

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A:

The average temperature at the start of the Boston Marathon ranges from 45-50 degrees F. The spread of temperature throughout the race can average approximately 25 degrees F, meaning the finish line temperature can average from 70-75 degrees F. However, in years past, there have been examples of extreme weather at the Boston Marathon. See below for examples:

Snow

  • 1907 Traces of sleet
  • 1908 Snowflakes and drizzle
  • 1925 Cold wind and occasional snowflakes
  • 1961 Snow squalls driven by winds of 10–12 mph; recorded temperature was 39 degrees
  • 1967 Snow squalls accompanied the runners through the first five miles.

Driving Rain

  • 1970 Mix of rain and sleet; temperatures in the high 30s;
  • 2007 Rain; winds gusting 25-30 mph; temperatures in the mid 40s.

Extreme Heat or Unseasonable Warmth

  • 1905 The temperature was reported to have reached the 100-degree mark.
  • 1909 The temperature soared to 97 degrees.
  • 1915 Reports of “intense heat.”
  • 1927 With the temperature reaching 84 degrees, a newly surfaced, yet uncured, road melted under the runners’ shoes.
  • 1931 Reports of “terrific heat” that “spelled ruin to the hopes of countless ambitious runners.”
  • 1952 The temperature rose to the upper 80s, with a high of 88 degrees.
  • 1958 The temperature climbed to 84 degrees.
  • 1976 For much of the first half of the race, the temperature along the course was reported to be 96 degrees.
  • 1987 The temperature was in the mid/upper 80s and the humidity was more than 95 percent.
  • 2004 The hottest marathon since 1976 (86 degrees at the finish) caused a record number of heat-related illnesses.
  • 2012 The temperature reached 75 degrees by the start of the Women's Elite field (9:30 a.m.), with a high of 89 degrees reported in Framingham (10K mark) by mid-day.
B.A.A. Moment 3

1966 - Bobbi Gibb

Although not an official entrant, Roberta “Bobbi” Gibb became the first woman to run the Boston Marathon. Joining the starting field shortly after the gun had been fired, Gibb finished the race in 3:21:40 to place 126th overall. Gibb again claimed the “unofficial” title in 1967 and 1968.