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If you've spent any time in this region at all, you know that April can be a weird month. Sometimes, it's like today; other times, it's really hot and sunny and runners risk overheating and dehydration.
But surprisingly, in its 122 years, the Boston Marathon has never been canceled due to the weather, says the Boston Athletic Association. The one time it was canceled at all — and you could argue it wasn't really a cancellation, just a modified race — was in 1918, when organizers held a military relay race because of World War I. (This year, there will be a relay-race to commemorate the 100th anniversary of that event.)
According to the BAA's official race guide, here are some of the extreme weather conditions over the race's history:
- 1907: Traces of sleet
- 1908: Snowflakes and drizzle
- 1925: Cold wind and occasional snowflakes
- 1961: Snow squalls; recorded temperature was 39
- 1967: Snow squalls accompanied the runners throughout the first five miles
- 1905: Records say the mercury hit 100
- 1909: High reported was 97
- 1927: The temperature got to 84 and a newly surfaced, but uncured, road melted under the runners' shoes
- 1952: High temperature of 88
- 1976: For much of the first half of the race, the temperature along the course was reported to be 96
- 1987: Temperatures were mid to upper 80s with more than 95 percent humidity
- 2004: The hottest marathon since 1976 (86 at the finish)
- 2012: The temperature started at 75 at the start of the women's elite and was at 89 midday in Framingham
Other Unusual Weather Conditions
- 1939: Runners at the starting line experienced dark skies caused by a northeast storm and a partial eclipse of the sun.
- 2002: A heavy mist severely reduced visibility, grounding helicopters, which resulted in limited televised coverage of the race.
- 2010: Eyjafjallajökull, a volcano in southern Iceland, erupted in late March, and then again on April 14. It stopped European travel for weeks and hundreds of entrants were unable to make it. They were given the option of deferred entry into the 2011 Boston Marathon.
If you're running or watching today, remember to dress appropriately. We've got some advice from sports medicine Dr. Thomas Gill:
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