Summing References Summing racehorse Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Pleasant ColonySumming won the race by a neck over Highland Blade, who finished a length and a half in front of Pleasant Colony. Read MoreSumming won the race by a neck over Highland Blade, who finished a length and a half in front of Pleasant Colony. Read More