Hassan said she paid the price for her fast start over the last part of the race but she held on to win her fourth marathon in six starts, including her triumph at last year's Paris Olympics.
Ethiopia's Kenenisa Bekele narrowly missed out on a new world record when he out-sprinted Kenya's Wilson Kipsang to win the Berlin marathon in the second fastest race of all time on Sunday.
Summary of sports events and persons who made news on Sunday.
Assefa set a blistering early pace, gradually shaking off any competition to pulverise Kenyan Brigid Kosgei's record of two hours 14 minutes and four seconds set in 2019.
Following her retirement from tennis due to injuries, Olympic champion Monica Puig has switched gears and is enjoying another sport.
'The marathon is run at a certain pace. It's not easy.'
Berlin marathon organisers shelve plans for 2020 race
For the first time, since women began running the Olympic marathon in 1984, women will conclude the athletics programme, with their marathon coming a day after the men's event.
Kenyan Wilson Kipsang smashed the marathon world record by 15 seconds as he stormed to the Berlin title on Sunday.
Olympic champion Eliud Kipchoge staved off a surprise challenge from Ethiopian debutant Guye Adola to win an enthralling Berlin marathon on Sunday, but missed out on his bid to set a new world record.
Haile Gebrselassie returned to form with an easy victory at the Great Birmingham Run on Sunday after dropping out of last month's Berlin Marathon with breathing problems.
Haile Gebrselassie won the Berlin marathon for the fourth straight year on Sunday but the Ethiopian failed to break his own world record after fading in the warm weather.
For all of Sohn's efforts at reconciliation, Japan has had an awkward relationship with him and his legacy.
Kenya's marathon world record holder Eliud Kipchoge and Colombian jumper Caterine Ibarguen were honoured as IAAF athletes of the year at athletics' annual awards ceremony on Tuesday.
He may have once skipped the cricket tour of India in fear of being questioned for his alleged role in the 2000 match-fixing scandal, but former South African all-rounder Nicky Boje, who was later cleared of all charges, is set to participate in the Mumbai Marathon on January 17.
The start to the 13 Tests long season could not have been better for India. A convincing win in their 500th Test over New Zealand with spinners Ravichandran Ashwin and Ravindra Jadeja weaving their magic on a turning track to hand India a 1-0 lead in the three-match Test series. Pakistan captain Misbah-ul-Haq receiving the Test mace for their meteoric rise to No.1 ranking in cricket's traditional format. Also, football took precedence once again, a struggling Manchester United ran riot at Old Trafford as they beat Premier League champions Leicester 4-1. An outstanding first-half performance by Arsenal helping them beat London rivals Chelsea. Other top teams like Manchester City and Liverpool also taking full points.
With mind and body both more willing now, the only way for the World No 3 is up, says Dhruv Munjal.
Kenya's Eliud Kipchoge got the better of compatriot and defending champion Wilson Kipsang in a fierce battle over the closing miles to win the London Marathon by five seconds on Sunday.
The 30-year-old Indian shuttler had an impressive run in the $75,000 BWF Tour Super 100 tournament before caving in tamely 14-21, 10-21 to Shesar in 28 minutes.
A summary of sports events and persons who made news on Sunday
Summary of sports events and persons who made news on Sunday
A summary of sports events and sports persons, who made news on Sunday
Ethiopian Atsedu Tsegay demolished the course record to emerge triumphant in the elite men's category, while Florence Kiplagat led a Kenyan clean sweep in the women's event of the Airtel Delhi Half Marathon in New Delhi.
Reigning French Open champion Maria Sharapova, former world number one Venus Williams and Australian Samantha Stosur sailed into the second round of the China Open with straight set victories on Sunday.