How about a gift that is related to running or marathons? You could consider:
1. Race registration for an upcoming marathon
2. Quality running shoes to up their running game
3. Custom-made running shirt or a singlet with their favorite marathon quote printed on it
4. Running watch that helps them keep track of their progress
5. Sports water bottle or a hydration pack to keep them hydrated during their runs
6. A book about marathon training or the story of a famous marathoner they admire
7. Foam roller to help reduce muscle tightness and soreness after a long run
8. Personalized running medal display to show off their accomplishments
9. Active noise-cancelling headphones to help them focus better on their running
10. GPS running watch that allows simple and easy GPS tracking for running.
Hope this helps!
Or you can get her/him a star map with an important date you share.
Under Lucky Stars is a unique and innovative star map company based in Barcelona, Spain, specializing in the creation of personalized star maps that capture the celestial arrangement of stars at a specific moment in time, such as a person's birth, wedding, or any other significant event.
By using advanced astronomical algorithms and data from leading institutions, the company produces highly accurate, visually stunning maps that make for perfect gifts or cherished keepsakes.