What's On? Each year Triathlon Ireland sanctions more than 200 great races in some of the most spectacular locations on the island of Ireland.Below are just some of the races that are accepting entries or that are being being staged in the coming weeks.For a complete listing of all the TI sanctioned races in 2017, head to the TI Race Calendar.If you would like your race included on the What's On preview, email us with 1.The name of your event; 2.Where and when it's being staged; 3.What's involved or what makes your race special; 4.Whether it has sold out and if not, where entries can be obtained plus the closing date and 5.A thumbnail picture of your race or race logo.NOTE: We unfortunately cannot post emails that do not follow this format. JuneMullaghmore TriathlonThe ever popular and by now legendary Mullaghmore Triathlon, takes place on 17th June 2017 in the beautiful seaside village of Mullaghmore. The race now in its 17th year, is organised by local triathlon club MSC Tri in partnership with Mullaghmore Sailing Club, who are delighted to welcome new sponsorship for 2017 from local firms, Martin Reilly Motors and The Pier Head Hotel, Spa & Leisure Centre. Entry is open online at triathlonireland.com and already this very popular race is expected to reach capacity with a strong surge in entry in recent weeks both locally and nationwide.More on Mullaghmore TriathlonJulyTri TyroneEskragh Lough, Dungannon on Friday 28th and Saturday 29th JulyRacing of multiple distances for all levels of experience and ability; from the Tri a Tri up to Middle Distance; on a fast course; which is well marshaled.Entries can be made online: http://www.triathlonireland.com/membership/RaceEntry.aspx?id=545 ; closing date is Sunday 23rd July.AugustDublin City Triathlon AquabikeThe 2017 Aquabike National Championships will be hosted by Dublin City Triathlon.Aquabike - a swim and cycle - is a relatively new but quickly growing sport sanctioned and encouraged by the International Triathlon Union (ITU).Dublin City Triathlon’s aquabike this year is over the Olympic distance - 1,500 metre swim and a 40km cycle - and is ideal for all sorts of athletes.Those new to multi-sport, but don’t yet want to give a full triathlon, those coming back from injury and don’t want to run just yet or those who just want to keep fit and try something new are all getting involved in aquabike.Dublin City Triathlon, which has been voted TI’s Race of the Year three of the past four years - including 2016, will be hosting its first aquabike race this year as part of DCT 2017 on August 27. Cost of entry is just €60 until June 30 and €65 after that. You can enter here.DCT is an extraordinary event based in the city centre. The swim is in the Liffey, the bike is along closed roads in the Phoenix Park and along the iconic Quays, with the run back in the Phoenix Park.