Anyone with a 100+ days active or lost streak may get listed by looking up their username, like this: duome.eu/johnarnold
You can find some answers here Enjoy :)

Duolingo

Level 25 Hall of Fame unofficial

Streak Hall of Fame
Crowns Hall of Fame
Golden Owl Hall of Fame
25 Level 25 Hall of Fame
Thousandaire Hall of Fame
• 100,000XP+ Hall of Fame
• Vocabulary Hall of Fame
Streak Freeze Hall of Fame
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