The new rules are an improvement, but proper implementation is vital, writes Murray Hunter and Cherese Thakur.
With the 2020 Olympics postponed until 2021, there are fears the delay will shatter the gold medal hopes of many ageing athletes.
Justin Gatlin ended a 100m race limping and holding his left thigh just three weeks ahead of the defence of his title at the Doha world championships.
A phalanx of hungry young American sprinters may be waiting in the wings, but Justin Gatlin is in no mood to be shoved off centre stage.
Justin Gatlin scored one for the older generation by outsprinting to victory in the 100m at Friday's Diamond League meet in Monaco.
World champion Justin Gatlin has won the 100m event at the 57th Ostrava Golden Spike meet, pushing SA's Akani Simbine into second place.
American sprinter Justin Gatlin says he has nothing but respect for Mzansi athlete Anaso Jobodwana.
Anaso Jobodwana has won the 150m race at the Athletix Grand Prix meeting with world champion Justin Gatlin, only managing to finish in fourth place.
Any hopes of seeing Rio Olympics 100m finalist Akani Simbine up against world champion Justin Gatlin on South African soil have been given a false-start.
The agent at the centre of a investigation into Justin Gatlin's entourage says he invented a story about obtaining banned drugs to impress undercover reporters.
World 100m champion Justin Gatlin, twice suspended for doping, could face another scandal.
US sprinter Justin Gatlin says he is drawing inspiration from NFL superstar Tom Brady and plans to compete in the postponed Tokyo Olympics.
Justin Gatlin will take on Noah Lyles in what promises to be another thrilling 100m at the Diamond League meet in Zurich.
Allyson Felix struggled through her first race in 13 months after scraping into the 400m semi-finals on the opening day of the US Championships.
New kid on the block Noah Lyles will test himself over 100m against veteran Justin Gatlin at Friday's Diamond League meet in Monaco.
Reigning world champion Justin Gatlin clocked 10.05 seconds to win his season opening 100 metre race at the Grenada Invitational track meet.
There was elation for South Africans Caster Semenya and Anaso Jobodwana at the Athletix Grand Prix Series meeting in Pretoria.
World 100m champion Justin Gatlin and former 200m bronze medalist Anaso Jobodwana will come face-to-face at the Athletix Grand Prix at Tuks.
World champion Justin Gatlin has joined the list of world class athletes who will be competing at the Athletix Grand Prix Series in March.
World 100 metres champion Justin Gatlin says he is "shocked and surprised" by allegations in a British newspaper.
World sprint champion Justin Gatlin says he won't be taking the knee in protest this weekend at an exhibition race in Brazil.
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