BERTIE the tortoise is thought to have set a new world record today.
The young Leopard tortoise covered the 18ft uphill course at Adventure Valley, near Durham, in 21.47 seconds - around half the previous best time, set back in 1977.
Bertie then went on to beat his own time, clocking in at 19.59 seconds.
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The details will now be sent to Guinness World Records for official confirmation.
- Video and full report to follow.