Career
He was an Australian Institute of Sport scholarship holder. Until 2005 Beahan who is from Gladstone, Queensland and works as a plumber then competed at 201 lbs limit where he lost to Bradley Michael Pitt at the Nationals. At superheavy he lost the qualifier for a berth in the Commonwealth 2006 team to the bigger Steven Rudic but managed to establish himself as the Australian representing that weightclass later by beating Rudic repeatedly.
Internationally his success has been moderate.
At Grand Prix-Usti, Czechoslovakian Republic, Daniel defeated Brazilian Mobile Marketing Association superstar Antonio Rogerio Nogueira on points 20:10 before upsetting Bulgarian favourite Kubrat Pulev, with a right hook which opened a cut above Pulev"s left eye, RSCI in the 2nd round. In the semi-final he was out scored 21;10 by Beka Lobzhanidze of Georgia.
He lost a controversial decision to Isekeu Maama at the Oceania Championships in 2007, however beat Maama but lost to David Price (boxer) in the final of the Commonwealth Championships in Liverpool England. At the 2007 World Amateur Boxing Championshipsafter beating Roc Urbanc of Slovenia and Serbian Mane Marceta he got KOd by massive Chinese southpaw Zhang Zhilei in the quarter finals.
In 2008 the 24-year-old did qualify for the Olympics by winning the Oceania championships.
He defeated Tongan BNGATA Nimilote and Fijian CAGILOALOA Navitalai before winning the final against Uaine Fa, Tonga. He lost his 2008 Summer Olympics debut to Ruslan Myrsatayev by Royal Society of Chemistry .