Bayron Efrén Piedra Avilés (born August 19, 1982) is an Ecuadorian middle distance and long-distance runner.
He won the 2007 and 2008 editions of the Guayaquil Marathon. He also competed at the 2004 Olympic Games, the 2005 Summer Universiade, the 2007 World Championships, the 2008 Olympic Games and the 2012 Olympic Games without reaching the final round.
He demonstrated his regional strength with a double gold in the 1500 metres and 5000 metres at the 2009 South American Championships in Athletics. He decided to run in both the 1500 m and 5000 m races at the 2009 World Championships in Athletics but he did not succeed in either event, finishing third last in the heats of the 1500 m and failing to finish at all in the 5000 m
He has medalled at regional competitions a number of times. He took part in the 2003 Pan American Games and reached the 1500 m final, finishing in eighth. In 2004, he came within a second of scoring a long race/short race double at the South American Cross Country Championships, but Juan Suárez of Argentina just finished ahead of him in the short competition. He won a bronze in the long race in 2006.Continental Cross Country Championships and Cups. GBR Athletics. Retrieved on 2010-03-02. He improved upon his past performance by taking a bronze in the 2007 Pan American Games.
Personal bests 800 metres: 1:46.55 min NR – Belém, 25 May 2008 1500 metres: 3:37.88 min NR – Rio de Janeiro, 25 July 2007 3000 metres: 7:47.06 min NR – Belém, 19 May 2010 5000 metres: 13:23.72 min NR – Ninove, 21 July 2012 10000 metres: 27:32.59 min NR – Stanford, 1 May 2011 Half marathon: 1:02:35 hrs – New York City, 20 March 2016 Marathon: 2:14:12 hrs – Rio de Janeiro, 21 August 2016
International competitions Representing 1999South American Junior ChampionshipsConcepción, Chile9th1500 m4:07.61 min8th3000 m s'chase10:18.94 min2000South American Cross Country ChampionshipsCartagena, Colombia11thJunior course (8.0 km) 28:01 minWorld Cross Country ChampionshipsVilamoura, Portugal87thJunior course (8.1 km)26:09 minSouth American Junior ChampionshipsSão Leopoldo, Brazil 2nd1500 m3:54.70 min6th3000 m s'chase9:41.06 min2001South American ChampionshipsManaus, Brazil6th1500 m3:52.42 min6th5000 m15:38.71 min5th4 × 400 m relay3:18.52 minSouth American Junior ChampionshipsSanta Fe, Argentina 3rd1500 m3:52.91 min5th4 × 400 m relay3:18.07 minPan American Junior ChampionshipsSanta Fe, Argentina5th1500 m3:57.21 min2002Ibero-American ChampionshipsGuatemala City, Guatemala8th1500 m3:58.01 min2003South American Road Mile ChampionshipsBelém, Brazil5thOne mile4:17 minSouth American ChampionshipsBarquisimeto, Venezuela5th800 m1:49.25 min4th1500 m3:43.86 minPan American GamesSanto Domingo, Dominican Republic8th1500 m3:52.20 minUniversiadeDaegu, South Korea –1500 mDNF2004South American Cross Country ChampionshipsMacaé, Brazil 1stLong course 36:44 min 2ndShort course 11:27 minWorld Cross Country ChampionshipsBrussels, Belgium63rdShort course (4.0 km)12:32 minSouth American U23 ChampionshipsBarquisimeto, Venezuela 1st800 m1:47.43 min 1st1500 m3:46.37 minIbero-American ChampionshipsHuelva, Spain4th1500 m3:40.88 min6th3000 m8:08.58 minOlympic Games Athens, Greece56th (h)800 m1:48.42 min2005South American ChampionshipsCali, Colombia 2nd1500 m3:41.90 min 1st5000 m14:12.24 minUniversiadeİzmir, Turkey19th (h)1500 m3:50.03Bolivarian GamesArmenia, Colombia1st1500 m3:44.62 min GR A2006South American Cross Country ChampionshipsMar del Plata, Argentina 3rdLong course 37:06 minSouth American ChampionshipsTunja, Colombia 3rd1500 m3:54.48 min 2nd5000 m15:00.00 min2007South American ChampionshipsSão Paulo, Brazil 1st1500 m3:42.53 min5th5000 m14:15.48 minPan American GamesRio de Janeiro, Brazil12th (h)800 m1:48.56 min 3rd1500 m3:37.88 minWorld ChampionshipsOsaka, Japan33rd (h)1500 m3:45.59 minGuayaquil Marathon Guayaquil, Ecuador 1stMarathon2:20:58 hrs2008South American Road Mile ChampionshipsBelém, Brazil3rdOne mile4:09 minIbero-American ChampionshipsIquique, Chile2nd1500m3:42.65 min1st3000 m7:54.69 min NROlympic GamesBeijing, China41st (h)1500 m3:45.57 minGuayaquil Marathon Guayaquil, Ecuador 1stMarathon2:20:42 hrs2009ALBA GamesHavana, Cuba2nd1500 m3:44.74 min1st5000 m14:03.13 minSouth American Road Mile ChampionshipsBelém, Brazil1stOne mile3:57 minSouth American ChampionshipsLima, Peru 1st1500 m3:41.81 min 1st5000 m13:56.93 minUniversiadeBelgrade, Serbia13th1500 m3:50.11 min2nd5000 m14:07.11 minWorld ChampionshipsBerlin, Germany45th (h)1500 m3:49.60 minBolivarian GamesSucre, Bolivia1st1500 m3:50.53 min A1st5000 m15:05.1 min A1st10,000 m31:07.10 min A2010Continental CupSplit, Croatia 3rd3000 m7:55.52 min2011World Championships Daegu, South Korea –10,000 mDNFPan American GamesGuadalajara, Mexico 2nd1500 m3:53.45 min 2nd5000 m14:15.74 min2012Olympic GamesLondon, United Kingdom –10,000 mDNF2013South American ChampionshipsCartagena, Colombia 1st5000 m14:15.35 minWorld ChampionshipsMoscow, Russia22nd (h)5000 m13:35.38 minBolivarian GamesTrujillo, Peru2nd10,000 m29:01.64 min2014South American GamesSantiago, Chile5th5000 m14:15.49 min1st10,000 m28:48.31 minSouth American Half Marathon ChampionshipsAsunción, Paraguay1stHalf marathon1:09:24 hrsIbero-American ChampionshipsHuelva, Spain2nd3000 m7:59.55 min1st5000 m13:50.20 min2015Pan American Cross Country CupBarranquilla, Colombia5th10 km28:472ndTeam - 10 km52 ptsWorld Cross Country ChampionshipsGuiyang, China54th12 km38:2516thTeam299 ptsSouth American ChampionshipsLima, Peru3rd5000 m14:08.841st10,000 m28:30.802016Olympic GamesRio de Janeiro, Brazil18thMarathon2:14:122017South American ChampionshipsAsunción, Paraguay1st10,000 m29:03.73World ChampionshipsLondon, United Kingdom21st10,000 m28:50.72Bolivarian GamesSanta Marta, Colombia10thHalf marathon1:12:232018South American GamesCochabamba, Bolivia1st5000 m14:32.473rd10,000 m30:51.742019South American ChampionshipsLima, Peru1st10,000 m28:48.13
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