The four-year deal will see QNB support all World Athletic Series Events from 1 January 2019 to the end of 2022.
The IAAF president was speaking in the Qatari capital as organisers launched ticketing arrangements for next year's event, the first athletics world championships to be held in the Middle East.
The next two spots were taken by Ethiopians Tiruneh Workneh Tesfa in second with a time of 2:12.52 and Azmeraw Mengistu third in 2:13.20.
New IAAF rules on female athletes' testosterone levels were due to begin on Thursday, but were put on hold for five months to avoid further delaying proceedings brought by Semenya challenging their legality.
More than 34,000 runners hit the streets of the Indian capital for the 13.1 mile (21 kilometre) race that doctors wanted postponed because of Delhi's atrocious winter smog.
The chairperson of the US Anti-Doping Agency said a "hostile atmosphere" was "increasingly becoming the norm in the global anti-doping cauldron".
While Abdelaziz triumphed in 200m, Aspire Academy’s Owaab won 110m hurdles.
Semenya, with the backing of the South African athletics federation (ASA), has turned to the Court of Arbitration for Sport (CAS) in her challenge of IAAF rules.
The 100m world record-holder quit athletics last year and is yet to be offered a deal by Australia's Central Coast Mariners, where he is currently on trial.
The ban was introduced in 2015 after Russia's ministry of sport and secret service were found guilty of masterminding institutional doping.
Kalalei, 23, tested positive at April's Rotterdam marathon where he finished seventh in a time of 2h 10min 44sec, a personal best.
In only his third marathon start, Farah crossed the finish line in 2hr 5min 11sec in cool and rainy conditions to defeat Ethiopia's Mosinet Geremew by 13sec with Japan's Suguru Osako third in 2:05:50.
The opening day of the September 27-October 6 worlds will culminate with the women's marathon, which starts at midnight.
The Qatari hurdler has been one of the most exceptional athletes this season.
The magnificent Khalifa International Stadium, featuring innovative and sustainable cooling technology, is all set to stage the event.