The runners reached the halfway mark in the race after 49 seconds.

比赛四十九秒钟后，赛跑选手抵达了中点。

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As we're nearing the halfway mark of 2009, we decided to find out what location-based applications the ReadWriteWeb community is using.

2009年已经快过去一半了，我们决定调查一下读写网读者们在是使用哪些基于地理位置的应用。

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Finally, at the halfway mark, he joined forces with Moroccan Rhadi ben Abdesselem to launch a devastating attack.

CNN: Olympic memories: Bikila's triumph

Houvenaghel was fastest in the morning heats and she led in the final before fading from the halfway mark.

BBC: Houvenaghel wins world team gold

Chasing 157 for victory at Centurion, Australia crashed to 103-5 after 15 overs, having been 63-2 at the halfway mark.

BBC: South Africa win Twenty20 series