|Competitor for Morocco|
|Gold||2009 Pescara||Half marathon|
|Gold||2013 Mersin||Half marathon|
|Bronze||2001 Radès||10,000 m|
|Jeux de la Francophonie|
|Gold||2005 Niamey||10,000 m|
|Bronze||2001 Ottawa||10,000 m|
A main stay of the Moroccan team at the IAAF World Cross Country Championships, he helped his nation to medals in the team race in 1999, 2003 and 2007. In track running, he was the 10,000 metres gold medallist at the 2001 Jeux de la Francophonie and also won bronze at the 2001 Mediterranean Games. He competed for Morocco at the 2007 World Championships in Athletics.
He won his first international medal at the 1998 World Junior Championships in Athletics, where he came third in the 5000 m. At the 1999 IAAF World Cross Country Championships he was fifteenth in the men's short race, helping Morocco to the team silver medal. He won the 10,000 metres gold medal at the 2001 Jeux de la Francophonie and then a bronze medal in the event at the 2001 Mediterranean Games. He did not compete at any major competitions in 2002 and upon his international return he was fifteenth again in the short race at the 2003 IAAF World Cross Country Championships, this time taking the team bronze.
He represented Morocco in the world cross country long race from 2004 to 2010, typically finishing in the top thirty, and his best performance came at the 2007 edition, where he came seventeenth and won the team silver medal alongside Anis Selmouni. On the track he came fifth over 5000 m at the 2004 African Championships in Athletics, but managed only seventh place at the 2006 competition. At the 2005 Jeux de la Francophonie he did not retain his 10,000 m but still managed to win the bronze medal. He ran for Morocco at the 2007 World Championships in Athletics, but was eliminated in the first round. He was chosen as a 5000 m back-up for Morocco at the 2008 Summer Olympics, but did not participate.
Baday began to focus on road events and made his marathon debut in May 2008, finishing ninth at the Hamburg Marathon with a time of 2:10:59. In his second outing over the distance, he took third at the National Capital Marathon in Ottawa. He represented Morocco in the half marathon at the 2009 Mediterranean Games and defeated José Manuel Martinez to become the Mediterranean champion. After recoring a personal best of 1:01:03 for second at the Rabat Half Marathon, he ran at the 2009 IAAF World Half Marathon Championships but was less successful as he finished in 49th place. In February 2010 he came third at the Marrakesh Marathon and improved his personal best time by one second. His season's best time came at the Yangzhou Jianzhen International Half Marathon, which he won in a course record time. He ran in the Bogota Half Marathon in August and took third place with a time of 1:04:47.
He began 2011 with a win at the Beppu-Ōita Marathon, his first victory over the distance, beating Daniel Njenga in a personal best of 2:10:14. He finished in sixth at the Rabat Half and went on to represent his country in the marathon at the 2011 World Championships in Athletics, taking 27th place in Daegu. He again started a year with a personal best, this time running 27:56 to win the Taroudant 10K in March, then 2:09:16 hours at the Daegu Marathon in April 2012.
|1998||World Junior Championships||Annecy, France||3rd||5000 m|
|1999||World Cross Country Championships||Belfast, Northern Ireland||15th||Short race|
|2001||Mediterranean Games||Radès, Tunisia||3rd||10,000 m|
|2003||World Cross Country Championships||Lausanne, Switzerland||15th||Short race|
|2004||African Championships||Brazzaville, Congo||5th||5000 m|
|2006||African Championships||Bambous, Mauritius||7th||5000 m|
|2009||Mediterranean Games||Pescara, Italy||1st||Half Marathon|
|2013||Mediterranean Games||Mersin, Turkey||1st||Half Marathon||
- Baday Amhed. IAAF. Retrieved on 2011-02-06.
- Francophone Games. GBR Athletics. Retrieved on 2011-02-06.
- Mediterranean Games. GBR Athletics. Retrieved on 2011-02-06.
- Fuchs, Carole (2005-12-12). Francophone Games – Day 1. IAAF. Retrieved on 2011-02-06.
- Baday Ahmed. Marathon Info. Retrieved on 2011-02-06.
- Gains, Paul (2009-05-24). Champions successfully defend Ottawa Marathon titles. IAAF. Retrieved on 2011-02-06.
- Sampaolo, Diego (2009-07-04). Cusma double; Sdiri shows solid form again, 8.29m - Mediterranean Games, Day 4. IAAF. Retrieved on 2011-02-06.
- Mohammed, Benchrif (2010-02-01). Ethiopian sweep at Marrakech Marathon. IAAF. Retrieved on 2011-02-06.
- Kuehls, Dave (2010-08-01). Merga and Amare Triumph - Bogota International Half Marathon report. IAAF. Retrieved on 2010-08-02.
- Nakamura, Ken (2011-02-06). Baday wins 60th annual Beppu-Oita Mainichi Marathon. IAAF. Retrieved on 2011-02-06.
- March 2012 AIMS Results. AIMS. Retrieved on 2012-04-22.
- April 2012 AIMS Results. AIMS. Retrieved on 2012-04-19.