Michael McCulloch, 61

Two men died while participating in an Ironman competition after being rescued from a lake in separate emergencies.

Todd Mahoney, 38, a machine engineer at Madison Fire Department and Michael McCulloch, 61, both needed medical attention during the swimming section of the 70.3 mile event in Madison, Wisconsin.

McCulloch, who was married and had a daughter, was rescued from Lake Monona by the Madison Fire Department. He was taken to the hospital but was pronounced dead that day, according to a statement.

Michael McCulloch, 61

Todd Mahoney, 38

Todd Mahoney, 38

Michael McCulloch, 61, (left), and Todd Mahoney, 38, (right), died during the same phase of a Sunday triathlon race. An investigation has been started into the circumstances surrounding the double tragedy

Athletes can be seen swimming in Lake Monona during the Triathlon event on Sunday morning

Athletes can be seen swimming in Lake Monona during the Triathlon event on Sunday morning

Athletes can be seen swimming in Lake Monona during the Triathlon event on Sunday morning

Mahoney was rescued from the water on Sunday at 8.52 am and was transferred to SSM Health St. Mary & # 39; s Hospital, where he was in critical condition.

But Mahoney, a married father of three, died early on Monday. He was a nine-year veteran of the Madison Fire Department, most recently working as an Apparatus Engineer at Fire Station 1 in downtown Madison.

He was a paramedic at fire station 8 on Lien Road. He started his career as a firefighter in 2010 and is survived by his wife and three young sons.

The Ironman 70.3 race, also known as a & # 39; half-Ironman & # 39 ;, is half the distance of an Ironman triathlon. Athletes swim 1.2 miles, cycle 56 miles and run 13.1 miles.

Dane County Medical Examiner & # 39; s Office told DailyMail.com that Michael McCulloch, 61, of Cottage Grove died in a manner consistent with accidental drowning as a result of a medical event & # 39 ;.

Mahoney's death is being investigated by the Dane County Sheriff office and the Dane County medical research department.

Fire department spokeswoman Cynthia Schuster told DailyMail.com that the Dane County Medical Examiner's Office has not yet released its conclusion about the cause of death of fireman Todd Mahoney.

Todd Mahoney was a nine-year veteran of the Madison Fire Department, most recently working as an Apparatus Engineer at Fire Station 1 in downtown Madison.

Todd Mahoney was a nine-year veteran of the Madison Fire Department, most recently working as an Apparatus Engineer at Fire Station 1 in downtown Madison.

Todd Mahoney was a nine-year veteran of the Madison Fire Department, most recently working as an Apparatus Engineer at Fire Station 1 in downtown Madison.

Mahoney was married and had three young sons. He was rescued from the water on Sunday at 8.52 am and was taken to the hospital, where he died early Monday

Mahoney was married and had three young sons. He was rescued from the water on Sunday at 8.52 am and was taken to the hospital, where he died early Monday

Mahoney was married and had three young sons. He was rescued from the water on Sunday at 8.52 am and was taken to the hospital, where he died early Monday

According to Madison Fire Department, the deaths of both men were caused by & # 39; individual medical emergencies & # 39 ;.

Ironman officials said in a statement on Sunday WKOW that the well-being of its competitors is paramount & # 39; and claims that they are grateful for the commitment and prompt support of medical staff.

She added: & # 39; We will continue to work with local authorities to collect all details about these incidents and will continue to do everything in our power to provide our athletes with a safe environment.

& # 39; With regard to the privacy of families and athletes, we have no further comments at this time. & # 39;

McCullough was married to a daughter and worked for the past 22 years with food trader Certco Inc as director of meat, deli and bakery.

McCullough, pictured with wife Lisa, (right), and daughter Erin, (left), had enjoyed an active lifestyle by participating in triathlons, cycling, and ballroom dancing.

McCullough, pictured with wife Lisa, (right), and daughter Erin, (left), had enjoyed an active lifestyle by participating in triathlons, cycling, and ballroom dancing.

McCullough, pictured with wife Lisa, (right), and daughter Erin, (left), had enjoyed an active lifestyle by participating in triathlons, cycling, and ballroom dancing.

McCullough, pictured with daughter Erin, died in a manner & # 39; in accordance with an accidental drowning in part due to a medical event & # 39 ;, according to Dane County Medical Examiner

McCullough, pictured with daughter Erin, died in a manner & # 39; in accordance with an accidental drowning in part due to a medical event & # 39 ;, according to Dane County Medical Examiner

McCullough, pictured with daughter Erin, died in a manner & # 39; in accordance with an accidental drowning in part as a result of a & # 39;

A death notice claimed that he enjoyed participating in triathlons, cycling, ballroom dancing, hiking, traveling, reading, and was an avid sports enthusiast in Wisconsin.

It added: & # 39; He touched the lives of so many through his family, friends, work and hobbies.

& # 39; His one-liners would bring raw laughter to a group, while his empathy and compassion were one-sided and reassuring. Mike was a wonderful husband, father and friend. He will be missed very much. & # 39;

His wife Lisa posted a photo of her and Michael with their daughter Erin with the message: & # 39; Our loving father and husband, Mike McCulloch, unexpectedly died on Sunday, June 9 while participating in Madison & # 39; s Half Ironman Competition.

Both men were rescued from Lake Monona, (pictured), during separate emergencies at different times early on Sunday during the Ironman triathlon in Madison

Both men were rescued from Lake Monona, (pictured), during separate emergencies at different times early on Sunday during the Ironman triathlon in Madison

Both men were rescued from Lake Monona, (pictured), during separate emergencies at different times early on Sunday during the Ironman triathlon in Madison

Madison Mayor Satya Rhodes-Conway extended her sympathy to the families of the men who died

Madison Mayor Satya Rhodes-Conway extended her sympathy to the families of the men who died

Madison Mayor Satya Rhodes-Conway extended her sympathy to the families of the men who died

& # 39; We are more than words destroyed. The outpouring of love and concern from all our friends and family has deeply touched us.

& # 39; Erin and I greatly appreciate your prayers in this most difficult time. & # 39;

It is clear that the water on the Monona was not treacherous more than this morning. Rain was expected & # 39; in the morning but bypassed the area.

A week before the incident in neighboring Jefferson County, another man died after a medical episode led him to go underwater during the swimming section of the Lake Mills Triathlon.

Rescue personnel were able to pull the man to the side where resuscitation efforts were made. The man was taken to the hospital, where he died.

In a statement, Madison Mayor Satya Rhodes-Conway extended her sympathies to the families of the people who died.

She added: & We know that this, and other Madison athletics events, have been safe and fun competitions for both participants and their families in the past.

& # 39; It is a tragic coincidence that two men died in the same event.

& # 39; I know the investigation into these incidents will continue and we look forward to ensuring that all appropriate security measures are in place for this event and others during the summer and the year. & # 39;

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