The 18th Boat Race took place on the River Thames on 16 March 1861. Held annually, The Boat Race is a side-by-side rowing race between crews from the Universities of Oxford and Cambridge. The 1861 event, which featured the first ever non-British competitor, suffered numerous interruptions from river traffic. Oxford won by 16 lengths.

The 17th Boat Race took place on 31 March 1860. Held annually, the Boat Race is a side-by-side rowing race between crews from the Universities of Oxford and Cambridge along the River Thames. It was the first time in the history of the event that the race had to be restarted as a result of an obstruction. Cambridge won the event by one length, in the slowest time ever.