On your mark, get set, no. Looks like Metro PCS Dallas Marathon runners will have to wait, as officials have decided to put a halt on the race, which is scheduled for Sunday, December 8.

The Dallas area is expecting to be blasted with 1 to 2 inches of sleet accumulation, with 0.1 to 0.25 inch of freezing rain. This wintry weather will make the course too treacherous and dangerous on which to compete, according to the Dallas police and race organizers.

“We regret that the race will not go on as planned,” marathon organizers wrote in a statement. “We are confident this decision is in the best interest of our runners, volunteers, spectators and the general public.”

Some 25,000 runners were expected to compete in the race, some of which have trained for months. This is the first time the half-marathon has been canceled since 1971.

Runners took to Twitter to lament about the cancellation:

Even though the #dallasmarathon has been cancelled, I am going to keep working on my endurance for a future race! #determined #halfmarathon

— David Donaghy (@texas_davey) December 7, 2013

#SuperBowl2011 #JFK50 #dallasmarathon Why can’t the weather gods give Dallas a break? http://t.co/o7UJZ1pEQp

— Christopher Wynn (@christopherwynn) December 7, 2013

Sorry to hear #DallasMarathon has been cancelled due to bad weather! Were any of you planning to run it? #runchat

— Paul Adams (@paulrunslong) December 7, 2013

Glad I stopped training for #DallasMarathon, well technically I never actually started but now that its cancelled I feel better about myself

— Only In Texas (@OnlyInTexas1) December 6, 2013

The #dallasmarathon being cancelled has caused me more sadness than any heartbreak or break up I've ever been through. #sad

— morganwalker. (@morg_walker) December 6, 2013

This cold weather hit the Dallas region after temperatures were in the 80s earlier in the week.

A Health and Fitness Expo was also scheduled to take place this weekend in conjunction with the race and is also cancelled.

Officials haven’t stated whether or not racers will receive compensation for their entrance fees.

Image via Wikimedia Commons