Nick Willis, a renowned athlete and manager, resides in Ann Arbor, MI, USA. He began his running career at Hutt Valley High School in Lower Hutt, New Zealand. His wife, Sierra Willis, serves as his coach. The couple has two sons, Lachlan (born 2013) and Darcy (born 2018).

| Season | Event | Rank |
|---|---|---|
| 2021 | Men's 1500m | 20 |
| 2016 | Men's 1500m | B Bronze |
| 2012 | Men's 1500m | 9 |
| 2008 | Men's 1500m | S Silver |
| 2004 | Men's 1500m | 15 |
Throughout his career, Willis faced several injuries. In May 2017, he sustained a shin injury. He also had a strained calf in May 2013 and a hip injury in 2010. Additionally, he underwent knee surgery in March 2010 and hip surgery in 2009.
Willis was New Zealand's flag bearer during the opening ceremony of the 2012 Olympic Games in London. In 2009, he received the title of Member of the New Zealand Order of Merit for services to athletics. His bronze medal from the 2008 Beijing Olympics was later upgraded to silver.
Willis credits his family for their support throughout his career. He stated that being with his family during competitions helps him avoid the exhaustion many athletes feel. His wife Sierra plays a crucial role as both his coach and manager.
Willis believes that athletes should not let their results against others define their purpose in sports. He emphasises that running is measurable against oneself, which drives him to continue competing.
In April 2020, Willis began working as an athlete experience manager at Tracksmith, a US running brand. This role allows him to broaden his career skill set while continuing to compete without external pressure.
Despite announcing a shift to amateur-level competitions in 2020, Willis remains focused on qualifying for the Tokyo Olympics. He acknowledges the challenges but is determined to achieve his goals on the track.
Willis idolises New Zealand middle-distance runner John Walker. Walker's achievements have inspired Willis throughout his career.
Sierra's coaching has been instrumental in Willis's success. She advised him against competing at the Diamond League event in Monaco before the 2016 Olympics, which proved beneficial as he won a bronze medal at the Games.
Willis has received numerous accolades throughout his career. His dedication to athletics has earned him recognition both nationally and internationally.
Nick Willis continues to inspire many with his dedication to running and commitment to achieving his goals despite numerous challenges.
Nick Willis, a renowned athlete and manager, resides in Ann Arbor, MI, USA. He began his running career at Hutt Valley High School in Lower Hutt, New Zealand. His wife, Sierra Willis, serves as his coach. The couple has two sons, Lachlan (born 2013) and Darcy (born 2018).