isolated vector-art t-shirt design of a sloth running a marathon with a sense of adventure and curiosity. The sloth should be portrayed as an explorer, with a backpack and a map, symbolizing the marathon as a journey of self-discovery. Use warm and earthy colors to convey a sense of exploration and connection to nature. The background can feature elements like mountains or scenic landscapes, inspiring a sense of wonder and excitement. This design prompts viewers to see the marathon as more than a race but as an enriching experience, isolated, no-background, in the style of 0mib