On Sunday, Guinness World Records partnered with the Scotiabank Toronto Waterfront Marathon (STWM) to give runners the opportunity to set official Guinness World Records titles in both the marathon and the half marathon races.
Despite rain and humid temperatures, more than 25,000 runners from across the world took to the streets of Toronto to run the three races that were part of the event.  
Kenyan runner Philemon Rono was the champion of the Scotiabank Toronto Waterfront Marathon on Sunday, winning with a time of 2:08:27, while Olympian Eric Gillis won the Canadian title, coming in fifth overall with a time of 2:13:44. 
Of eleven official attempts, Guinness World Records can confirm the following record titles were achieved: 
Fastest marathon pushing a pram (male)
With a benchmark to beat of 2 hr 42 min 21 sec achieved by Michael Wardian (USA) in May 2007, Calum Neff (pictured above) pushed his four-year-old daughter Alessandra and completed the marathon in 2h 31min 22sec. Beating the current record by 11 minutes, Calum was also the 5th overall Canadian to finish the marathon race.  
This is Texas native’s second record title, as he also holds the record Fastest half marathon pushing a pram (male).
Fastest half marathon dressed in a suit (female) 
One of many new record categories attempted at this year’s marathon, Jennifer Wilson surpassed the benchmark of 2 hours, to achieve the record in 1 hr 42 min 42 sec. This is Jennifer’s first ever record attempt and record title. 

Fastest marathon dressed as a chef (male) 
Toronto chef and founder of the city’s new Mac and Cheese Festival, Daniel Janetos took his passion for cooking to the streets, achieving the record in 3 hr 56 min 21 sec. Daniel beat the previous record of 4 hr 07 min 17 sec, achieved by Phil Olson (UK), at the 2016 Virgin Money London Marathon earlier this year. 

Fastest half marathon dressed as a swimmer (male)  
Robert Winckler from Guelph, Ontario battled through the rain and cold temperatures to become the first person to achieve this record title, completing the thirteen mile course in 1 hr 47 min 50 sec. 

Fastest half marathon dressed in motocross gear (female)
Bridget Burns of Toronto, Canada clocked a time of 2 hr 14 min 34 sec to achieve this brand new Guinness World Records title. This is Bridget’s fourth record title, including Fastest half marathon in an animal costume (female) which she achieved at the 2015 Scotiabank Toronto Waterfront Marathon. 

Fastest half marathon dressed as a chef (male)
Donned in a full chef’s outfit and carrying a pot that weighed 3kg, Jasper Moester achieved the half marathon title in 2 hr 23 min 43 sec, finishing just under seven minutes ahead of the minimum requirement set for this new category.