BRAMPTON, Ont. - There was more laughter than tears as NDP leader Thomas Mulcair and Toronto MP Olivia Chow joined New Democrats on Saturday to reflect on Jack Layton, ahead of the one year anniversary of the former New Democrat leader's death.

Mulcair spoke to a packed room of supporters in this Toronto suburb about the contributions Layton made to the party and how they would continue his legacy into the 2015 federal election campaign.

"I think that one of the things that Jack brought was his determination and his belief that we could accomplish great things," Mulcair said, adding that the two worked closely together to break through in Quebec.

"I took up the challenge, I worked with him for five years and we believed in what we were doing and the result is there now."

Mulcair also said he shared Layton's "sunny optimism" and "driven determination."

"We're going to make sure that across Canada people understand that the NDP is ready to form a government, stand up to Stephen Harper to make sure that we fight for the things that we hold dearly," he said.

"For example medical care for our families, opening up immigration instead of shutting it down the way the Conservatives have been doing."

Mulcair added that family reunification had become increasingly difficult among immigrants and temporary workers had been brought in without full rights, two things that he wanted to see change.

A cycling event was organized around the community in honour of Layton and Chow, Layton's widow, led an entourage of cyclists dressed in black with a bouquet of flowers on the back of her bicycle.

"We're riding for Jack and to say get involved, get engaged, become active both physically but also socially and politically, make a difference and together we are Jack Layton's legacy," she said.

"New Democrats are united and strong and we're moving forward. We are creating an alternative to say to Stephen Harper that we need a country that has more jobs, better health-care and a life that is more affordable."

Mulcair encouraged support from young people across the country and said that "the NDP is the party for youth."

"Young people are involved. Look at the age of the NDP MPs coming out of the province of Quebec, it's a wave of people saying we can do things differently," he said.

Chow highlighted the fact that in Layton's final letter to Canadians just before his death, he said that young people were a great source of inspiration to him.

"As my time in political life draws to a close I want to share with you my belief in your power to change this country and this world," Layton wrote.

"You need to be at the heart of our economy, our political life, and our plans for the present and the future."

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    Thousands gathered outside Roy Thompson Hall in Toronto, Ontario, on August 27, 2011 to watch the broadcast of the state funeral of Canadian opposition leader Jack Layton. Layton died August 22. (GEOFF ROBINS/AFP/Getty Images)

  • Remembering Jack

    Flowers are left in tribute for former Canadian opposition leader Jack Layton in front of the Parliament building on August 23, 2011 in Ottawa, Ontario. Canadian Prime Minister Stephen Harper said Monday he regrets that he never 'jammed' with his friend and longtime rival, opposition leader Jack Layton, who died overnight of cancer at age 61. 'Now, as you know, Jack was a musician. He was quite a natural one at that,' Harper said outside the House of Commons. Jack Layton, whose popularity and political skill helped his New Democrats surge past the Liberals to become Canada's official opposition party. Layton died August 22 of cancer. He was 61. (MICHEL COMTE/AFP/Getty Images)

  • Layton's Funeral

    The coffin containing NDP Opposition Leader Jack Layton is pictured during his state funeral in Toronto August 27, 2011. More than 2,000 people turned out Saturday, August 27, 2011 for the state funeral of Canada's former opposition chief Jack Layton, who died earlier this week of cancer -- a tribute celebrating his message of hope. Layton, whose New Democratic Party (NDP) surged past the Liberals in elections earlier this year to become Canada's official opposition, lost his battle with cancer on Monday. He was 61. (CHRIS WATTIE/AFP/Getty Images)

  • Layton's Funeral

    The coffin containing NDP Opposition Leader Jack Layton is carried away during his state funeral in Toronto August 27, 2011. More than 2,000 people turned out Saturday, August 27, 2011 for the state funeral of Canada's former opposition chief Jack Layton, who died earlier this week of cancer -- a tribute celebrating his message of hope. Layton, whose New Democratic Party (NDP) surged past the Liberals in elections earlier this year to become Canada's official opposition, lost his battle with cancer on Monday. He was 61. (CHRIS WATTIE/AFP/Getty Images)

  • Layton's Funeral

    Olivia Chow reacts during the state funeral for her husband NDP Opposition Leader Jack Layton in Toronto August 27, 2011. More than 2,000 people turned out Saturday, August 27, 2011 for the state funeral of Canada's former opposition chief Jack Layton, who died earlier this week of cancer -- a tribute celebrating his message of hope. Layton, whose New Democratic Party (NDP) surged past the Liberals in elections earlier this year to become Canada's official opposition, lost his battle with cancer on Monday. He was 61. (CHRIS WATTIE/AFP/Getty Images)

  • Layton's Funeral

    Laureen Harper wipes her eye beside her husband Prime Minister Stephen Harper during the state funeral for NDP Opposition Leader Jack Layton in Toronto August 27, 2011. More than 2,000 people turned out Saturday August 27, 2011 for the state funeral of Canada's former opposition chief Jack Layton, who died earlier this week of cancer -- a tribute celebrating his message of hope. Layton, whose New Democratic Party (NDP) surged past the Liberals in elections earlier this year to become Canada's official opposition, lost his battle with cancer on Monday. He was 61. (MIKE CASSESE/AFP/Getty Images)

  • Layton's Funeral

    Former Ontario NDP leader Stephen Lewis delivers the eulogy at the state funeral for the late New Democratic Party (NDP) leader Jack Layton at Roy Thompson Hall in Toronto, Ontario on August 27, 2011. Jack Layton, whose popularity and political skill helped his New Democrats surge past the Liberals to become Canada's official opposition earlier this year, has died at the age of 61. (Nathan Denette/AFP/Getty Images)

  • Layton's Funeral

    Olivia Chow (C) reacts during the eulogy at the state funeral for NDP Opposition Leader Jack Layton in Toronto August 27, 2011. More than 2,000 people turned out Saturday August 27, 2011 for the state funeral of Canada's former opposition chief Jack Layton, who died earlier this week of cancer -- a tribute celebrating his message of hope. Layton, whose New Democratic Party (NDP) surged past the Liberals in elections earlier this year to become Canada's official opposition, lost his battle with cancer on Monday. He was 61. (MIKE CASSESE/AFP/Getty Images)

  • Layton's Funeral

    A Police honor guard carry the coffin of Canadian opposition leader Jack Layton, following a state funeral in Toronto, Ontario on August 27, 2011. (GEOFF ROBINS/AFP/Getty Images)