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10 best Guinness Book of World Records 2025: Indian kid’s mental math feat among most interesting

List of 10 coolest Guinness World Records in 2025: India’s young math genius Aaryan Shukla, at only 14 years old, added 100 four-digit numbers in an astonishing 30.9 seconds.

6 min readNew DelhiDec 20, 2025 05:27 PM IST

Best world records of 2025 list

10 coolest world records of 2025: As 2026 draws closer, it is a perfect moment to look back at some of the most jaw-dropping achievements of 2025. This year reminded us that greatness doesn’t always come from age, size, or years of experience; sometimes it comes from sheer passion, curiosity, and fearless imagination. From young children rewriting what’s possible in sports and mathematics to animals whose natural traits left the world amazed, these Guinness World Records captured global attention and dominated headlines and social media feeds.

What made 2025 truly special was its variety. It wasn’t just about physical strength or speed, but also mental brilliance, balance, creativity, and the astonishing diversity of nature itself. These records did not just earn certificates, they inspired millions and proved that limits are often meant to be challenged. Based on Kids’ Guinness World Records data, here’s a look at the 10 best, coolest, and craziest Guinness World Records of 2025.

1. Most gymnastic bar toe-to-hand movements in 30 seconds (female)

Eight-year-old Kynlee Heiman from the United States stunned everyone with her incredible strength and control on the gymnastics bar. In just 30 seconds, she completed nearly 18 toe-to-hand movements, swinging around the bar with ease and confidence far beyond her age. Known fondly as “Kynlee the Great,” she showed the world that dedication and talent can shine at any age.

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2. Fastest time to mentally add 100 four-digit numbers

India’s young math genius Aaryan Shukla proved that numbers can be just as thrilling as sports. At only 14 years old, he added 100 four-digit numbers in an astonishing 30.9 seconds, all in his head. What made his achievement even more remarkable was that he broke six mental math records in a single day, showcasing extraordinary focus, speed, and calculation skills rarely seen at such a young age.

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3. Most skips in 30 seconds

Ten-year-old Wu Chenjun from China turned a simple skipping rope into a world-record moment. On May 26, 2025, he completed an incredible 171 skips in just 30 seconds. His speed, rhythm, and stamina impressed audiences worldwide and highlighted how discipline and practice can turn everyday activities into record-breaking performances.

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4. Youngest person to land a backflip on a BMX bike (male)

At an age when most children are still learning to ride a bike, Tsumugi Tamura from Japan was already flipping one mid-air. At just 5 years and 313 days old, he successfully landed a backflip on a BMX bike, earning a Guinness World Record. His fearless spirit and perfect timing left viewers amazed and inspired budding young athletes everywhere.

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5. Tallest and shortest dogs in the world

2025 also celebrated extremes in the animal kingdom. Reggie, a gentle Great Dane from the USA, was named the tallest dog in the world, standing an impressive 3 feet 3 inches tall. On the opposite end was Pearl, a tiny Chihuahua from the same country, measuring just 3.59 inches in height. Together, they highlighted the fascinating range of sizes found in man’s best friend.

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6. Tallest living donkey

Dynamic Derrick from the United Kingdom proudly claimed the title of the tallest living donkey. Standing at 5 feet 5 inches tall, Derrick lives at the Radcliffe Donkey Sanctuary, where he enjoys a peaceful life. His towering height makes him a standout even among other large animals, drawing visitors from around the world.

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7. Longest ears on a donkey

Sharing the spotlight at the Radcliffe Donkey Sanctuary is Bambou, a Poitou donkey with ears that measure an astonishing 1 foot and 1 inch long. Bambou’s record-breaking ears captured plenty of attention in 2025, reminding us how wonderfully unique animals can be.

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8. Tallest living water buffalo

From Thailand came King Kong, the tallest living water buffalo in the world. Measuring about 185 centimetres from hoof to shoulder, this gentle giant stands just over six feet tall. His massive size quickly went viral, making him one of the most talked-about animal record holders of the year.

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9. Longest tongue (female)

Chanel Tapper from the United States continued to amaze with her record for the longest tongue among women. Measuring around 9.75 cm, her unique feature once again caught global attention in 2025, proving that world records can come in the most unexpected forms.

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10. Most Jenga blocks stacked on one vertical Jenga block

Ending the list on a creative note, Abbetjes Meindert De Boer from Canada achieved something many people have only attempted for fun. He stacked an unbelievable 4,881 Jenga blocks on top of a single vertical block without it collapsing. The feat required patience, precision, and nerves of steel, and it earned him a well-deserved place in Guinness World Records history.