| Machel Cedenio TTO |
| Date of birth: 6 September 95 |
| Age: 25 years 116 days |
| Height: 183 cm |
| Weight: 70 kg |
| Club/team: Simplex |
| 4 x 400m World Champion 2017 |
| 4 x 400m World Championships Silver Medallist 2015 |
| 4 x 400m World Indoor Bronze Medallist 2016 |
| 400m 4th at Olympic Games 2016 |
| 4 x 400m 5th at World Championships 2019 |
| 400m 7th at World Championships 2019 |
| 400m 7th at World Championships 2015 |
| 400m World Junior Champion 2014 |
| 4 x 400m World Junior Championships Bronze Medallist 2012 |
| 4 x 400m Pan American Games Champion 2015 |
| 400m Pan American Games Silver Medallist 2015 |
| 4 x 400m Pan American Games Bronze Medallist 2019 |
| 400m 4th at World Youth Championships 2011 |
| 400m 5th at World Junior Championships 2012 |
| Medley Relay 6th at World Youth Championships 2011 |
| 3 National Titles |
| 400m World Alltime no. 19 44.01 Rio de Janeiro 14 Aug 2016 |
| 400m World Junior Alltime no. 33 45.13 Eugene OR 24 Jul 2014 |
Personal bests in BOLD.
| 60m | |||||||
| Outdoor Alltime Show/hide | |||||||
| 2020 7.67 | 4rB | Marietta GA | 15 Aug | ||||
| 150m | |||||||
| Outdoor Alltime Show/hide | |||||||
| 2020 16.09 | 2rB | Marietta GA | 15 Aug | ||||
| 200m | |||||||
| Outdoor Alltime Show/hide | |||||||
| 2011 21.43 -0.3 | 1-16 | Montego Bay | 25 Apr | ||||
| 2012 21.23 +1.0 | 1 | Port of Spain | 27 May | ||||
| 2013 21.15 +1.5 | 1s3-19 | Port of Spain | 3 Mar | ||||
| 2014 21.72 0.0 | 2s2-19 | Port of Spain | 16 Mar | ||||
| 400m | |||||||
| Outdoor Alltime Show/hide | |||||||
| 2010 48.12 | 2-17 | Santo Domingo | 3 Jul | ||||
| 2011 46.89 | 4-17 | Villeneuve d'Ascq | 8 Jul | ||||
| 2012 46.02 | 5 | Port of Spain | 23 Jun | ||||
| 2013 45.93 | 1-19 | Nassau | 30 Mar | ||||
| 2014 45.13 NU20R | 1-19 | Eugene OR | 24 Jul | ||||
| 2015 44.36 | 1 | George Town | 16 May | ||||
| 2016 44.01 NR | 4 | Rio de Janeiro | 14 Aug | ||||
| 2017 44.90 | 1 | Port of Spain | 24 Jun | ||||
| 2018 45.68 | 1h1 | Gold Coast | 8 Apr | ||||
| 2019 44.41 | 1s3 | Doha | 2 Oct | ||||
| 2020 45.76 | 1 | Columbia SC | 29 Aug | ||||
| Indoor Alltime Show/hide | |||||||
| 2018 47.86i | 3 | Boston MA | 10 Feb | ||||
| 4 x 400m | |||||||
| Outdoor Alltime Show/hide | |||||||
| 2011 3:15.35 | 2-16 | Montego Bay | 25 Apr | ||||
| 2012 3:04.98 | 3rB | Philadelphia PA | 28 Apr | ||||
| 2013 3:02.19A | 1 | Morelia | 7 Jul | ||||
| 2014 2:58.34 NR | 3 | Nassau | 25 May | ||||
| 2015 2:58.20 NR | 2 | Beijing | 30 Aug | ||||
| 2017 2:58.12 NR | 1 | London | 13 Aug | ||||
| 2018 3:02.85 | 4 | Gold Coast | 14 Apr | ||||
| 2019 3:00.74 | 5 | Doha | 6 Oct | ||||
| Indoor Alltime Show/hide | |||||||
| 2016 3:05.51i NR | 3 | Portland OR | 20 Mar | ||||
| Outdoor | |||||||
| 400m | |||||||
| CAC | 2010: | 2-17 | 48.12 | ||||
| WY | 2011: | 4-17 | 46.89 | 3s3-17 | 47.12 | 1h1-17 | 47.32 |
| CAC | 2012: | 1-17 | 47.36 | ||||
| WJ | 2012: | 5-19 | 46.17 | 2s2-19 | 46.59 | ||
| CAC | 2014: | 1-19 | 45.28A | 1h1-19 | 47.81A | ||
| WJ | 2014: | 1-19 | 45.13 | 1s3-19 | 45.90 | 1h6-19 | 46.60 |
| PAG | 2015: | 2 | 44.70 | 2h2 | 46.06 | ||
| WC | 2015: | 7 | 45.06 | 3s3 | 44.64 | 2h1 | 44.54 |
| OG | 2016: | 4 | 44.01 | 1s2 | 44.39 | 1h1 | 44.98 |
| WC | 2017: | 7s3 | 45.91 | 3h2 | 45.77 | ||
| CWG | 2018: | 3s3 | 46.19 | 1h1 | 45.68 | ||
| PAG | 2019: | 6h1 | 46.77 | ||||
| WC | 2019: | 7 | 45.30 | 1s3 | 44.41 | 1h1 | 45.26 |
| 4 x 400m | |||||||
| CAC | 2012: | 1-17 | 3:11.66 | ||||
| WJ | 2012: | 3-19 | 3:06.32 | 1h3-19 | 3:08.16 | ||
| CAC | 2013: | 1 | 3:02.19A | ||||
| WJ | 2014: | 5h1-19 | 3:12.06 | ||||
| PAG | 2015: | 1 | 2:59.60 | ||||
| WC | 2015: | 2 | 2:58.20 | ||||
| OG | 2016: | h1 | DQ | ||||
| WC | 2017: | 1 | 2:58.12 | 2h2 | 2:59.35 | ||
| CWG | 2018: | 4 | 3:02.85 | 4h2 | 3:05.84 | ||
| PAG | 2019: | 3 | 3:02.25 | ||||
| WC | 2019: | 5 | 3:00.74 | ||||
| Medley Relay | |||||||
| WY | 2011: | 6-17 | 1:52.77 | 1h4-17 | 1:53.32 | ||
| Indoor | |||||||
| 4 x 400m | |||||||
| WC | 2016: | 3 | 3:05.51 | 3h1 | 3:07.83 | ||
| WC | 2018: | 3h1 | 3:05.96 | ||||
note:click on indoor/outdoor to see PB progression.
| 60m | ||||||||
| Outdoor | 7.67 | Marietta GA | 15 Aug 2020 | |||||
| 150m | ||||||||
| Outdoor | 16.09 | Marietta GA | 15 Aug 2020 | |||||
| 200m | ||||||||
| Outdoor | 21.15 +1.5 | Port of Spain | 3 Mar 2013 | |||||
| 400m | ||||||||
| Winstreak: 1 (finals) Show/hide | ||||||||
| races under 45 seconds: 20 | ||||||||
| Outdoor | 44.01 NR | Rio de Janeiro | 14 Aug 2016 | |||||
| Indoor | 47.86 | Boston MA | 10 Feb 2018 | |||||
| 4 x 400m | ||||||||
| Outdoor | 3:00.92 | Gainesville FL | 1 Apr 2017 | |||||
| 2:58.12 | London | 13 Aug 2017 | ||||||
| 3:01.46 | Gainesville FL | 30 Mar 2019 | ||||||
| 400m, 10 best results (legal): | |||||||
| 44.01 | 4 | Rio de Janeiro | 14 Aug 2016 | ||||
| 44.34 | 2 | Monaco | 15 Jul 2016 | ||||
| 44.36 | 1 | George Town | 16 May 2015 | ||||
| 44.37 | 1 | Kingston | 11 Jun 2016 | ||||
| 44.39 | 1s2 | Rio de Janeiro | 13 Aug 2016 | ||||
| 44.41 | 1s3 | Doha | 2 Oct 2019 | ||||
| 44.45 | 1 | Port of Spain | 26 Jun 2016 | ||||
| 44.52 | 1 | Port of Spain | 27 Jul 2019 | ||||
| 44.54 | 2h1 | Beijing | 23 Aug 2015 | ||||
| 44.64 | 3s3 | Beijing | 24 Aug 2015 | ||||
| Average: 44.403 | |||||||
| 4 x 400m, 10 best results (legal): | |||||||
| 2:58.12 | 1 | London | 13 Aug 2017 | ||||
| 2:58.20 | 2 | Beijing | 30 Aug 2015 | ||||
| 2:58.34 | 3 | Nassau | 25 May 2014 | ||||
| 2:59.35 | 2h2 | London | 12 Aug 2017 | ||||
| 2:59.60 | 1 | Toronto | 25 Jul 2015 | ||||
| 3:00.74 | 5 | Doha | 6 Oct 2019 | ||||
| 3:00.81 | 1 | Yokohama | 12 May 2019 | ||||
| 3:00.92 | 1 | Gainesville FL | 1 Apr 2017 | ||||
| 3:01.06 | 2h3 | Nassau | 24 May 2014 | ||||
| 3:01.46 | 1 | Gainesville FL | 30 Mar 2019 | ||||
| Average: 2:59.86 | |||||||
| 60m: | 1 |
| 150m: | 1 |
| 200m: | 6 |
| 400m: | 93 |
| 4 x 400m: | 33 |
| Medley Relay: | 2 |
position in the world list in brackets following the season's best,
junior list position in green and youth list position in orange.
help: click on competition name or Venue to see competition results.
help: click on placing to see event results in the competition.
| 60m | |||||||
| 7.67 | PB | 4rB | Marietta GA | Marietta GA | 15 Aug | ||
| 150m | |||||||
| 16.09 | PB | 2rB | Marietta GA | Marietta GA | 15 Aug | ||
| 400m | |||||||
| 45.86 | SB | 1 | Marietta GA | Marietta GA | 8 Aug | ||
| 46.79 | 5 | Marietta GA | Marietta GA | 15 Aug | |||
| 45.76 | SB (23) | 1 | Columbia SC | Columbia SC | 29 Aug | ||
| Season | Ind/Out | Event | Pos | Result |
| 2014 | Outdoor | 400m | 33 | 45.13 |
| 2015 | Outdoor | 400m | 10 | 44.36 |
| 2016 | Outdoor | 400m | 4 | 44.01 |
| 2017 | Outdoor | 400m | 24 | 44.90 |
| 2018 | Outdoor | 400m | 95 | 45.68 |
| 2019 | Outdoor | 400m | 13 | 44.41 |
| 2020 | Outdoor | 400m | 23 | 45.76 |
| Significant winstreaks 400m (at least 5 finals): | |||||||
| Winstreak 1: 5 (finals) 24 Jul 2014 -> 23 May 2015 Show/hide | |||||||