Two decades after a catastrophic collision with a 40 km/h tram left him fighting for his life, Ben Turner is stepping up to the starting line of the Melbourne Marathon.

The devastating accident once seemed like an insurmountable obstacle, but years of grueling rehabilitation and unyielding determination have transformed his near-fatal tragedy into an extraordinary triumph.

As he laces up his running shoes today, Turner's milestone serves as a powerful testament to the resilience of the human spirit.