21.09 km | 80 m elevation | 
Central London
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      Humid, fast and buzzing 
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      The first 10 km and then the post-run beer. 
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      The last 5 miles were really tough because I had a massive blister and the heat and humidity sapped my energy. 
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      Anyone looking for a flat half marathon road course to run a PB on. 
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      Don't go out too hard. 
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      Don't listen to your watch GPS running around Canary Wharf. 
 
                        