Rob Wood

Rob's Sports, Fitness & Science Blog

Rio Medal Predictions Change Over Time

May 18th, 2016 · No Comments · Olympic Games

Wouldn’t it be great to know the results before the Olympic Games start? For the London Olympics in 2012 I made a prediction for the final medal tally. It was mostly based on my own guesswork, and surprisingly was not too far wrong in the end. For the Rio Games, I predict that the USA will again win the most medals, a pretty safe bet, but not based on any specialist knowledge or special formula. However, I prefer to rely on those a little more knowledgeable to predict the results.

There are plenty of people making predictions about the upcoming Rio Olympics. There are two main categories of medal count predictions. One way to predict the final medal tally is from scholars using economics and a range of factors to base their predictions. The other is to use actual competition results leading up to the Olympics to predict the specific winners of each event. After the London Games, I compared some of these predictions to the final medal count, and predictions using both of these methods were quite accurate.

It seems more logical to base the predictions on actual sports results, and we would assume that the most recent results would be the best indicators. The company Gracenote (was Infostrada) sports regularly update their predictions based on sporting results from around the world. The graphs below show how their predictions have changed over the last year for the top three countries. While the predictions of the actual number of medals has varied, the order has not changed – the USA is predicted to win both the most medals and most golds.

predicted gold

The most recent medal predictions, made with 100 days to go, show the USA pulling away from China and Russia on the table above. A factor that has not been considered is that Russian athletes may still be banned from attending the Games, which would put a large dent in their medal count.

predicted total

I will continue to monitor the changes in these predictions leading up to the Games, and afterwards I will again compare these predictions to the actual results. So far I am feeling pretty confident about my prediction of the USA leading the medal count, it will be a big upset if they don’t.

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