Shoelaces - Check your laces before race day and replaceany that are worn -- don't take a chance on a broken lace.

鞋带-赛前检查你的鞋带并更换磨损的鞋带—不要拿破损的鞋带来冒险。

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In a strange way, the renewed fluidity of racial identity is a homecoming of sorts, to a time before race - and racism - was institutionalized.

种族身份重新表现出的不稳定性以一种奇怪的方式，让一切回到了种族和种族主义被制度化之前的状态。

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To achieve this, do your first 20-mile training run at least six (or more) weeks before race day, and do at least three total long runs of 20 to 24 miles.

这样的话，至少在比赛的六周前，开始你的第一个32km。并且，在比赛前至少做三次20到24英里(32km到38.4 km)的长距离拉练。

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Marian was shocked. Never before had anyone insulted her because of her race.

VOA: special.2009.01.18

Spearmon talks about his race. "Before the race I felt kind of tired and I ran to the best of ability.

VOA: standard.2009.08.21

Saturday,the Canadian,24,said he fed off the energy of the thousands of Canadian fans who flooded the downtown area the night before his race.

VOA: standard.2010.02.28

Ideally a marathon runner should be doing 40 to 50 miles a week for at least three or four months before race day.

CNN: How to not train and run a marathon ...

Gregg Bloche, a Georgetown University medical ethicist, warned of the need to manage the downside of "race-based therapeutics"--and predicted that it was only a matter of time before race was linked to the effects of other drugs.

FORBES: Race-Based Medicine Arrives

The same drugs that are given to Thoroughbred racehorses on and before race day are also widespread among the other 81% of horses slaughtered, including Quarter Horses (a popular racing breed representing 70% of all horses slaughtered in 2011).

FORBES: MoMA Caf�� Chef To Serve Illegal, Tainted Horse Meat?