Deepest half marathon

According to Official Guinness Records,

The deepest half marathon race took place at a depth of 212 m (695 ft) in Bochnia salt mine, Poland on 4 March 2004.
The running track was 2,438 m long which the 11 participants circuited approximately 8.5 times to run a total distance of 21,097 m. Bochnia is Europe's oldest salt mine;operating since 1248.

For a complete list of 2004 records, please visit 2004 Guinness Records in Poland.

Related Images

Daily Emilie: WFPS Half-Marathon

Cardiff Half Marathon: Two runners die ...

Cardiff Half Marathon ...

Toronto Waterfront Marathon cash ...

Toronto Waterfront Marathon cash ...

RAK Half Marathon: Deepest Mass Finish ...

Dies Shortly After Finishing Half Marathon

record at Copenhagen Half Marathon ...

Copenhagen Half Marathon ...

Yeovil Half Marathon Review

Two runners die at Cardiff Half ...

Two Cardiff half-marathon runners dead ...

Exciting Times in the Half-Marathon ...

Two runners have died after taking part ...

Other Poland records that might interest you:

• First mercury thermometer
• Longest string of seeds/pips
• Largest bottle cap pyramid
• Narrowest house
• Most wins of the World's Strongest Woman
• Most wins of the World's Strongest Man
• First heliocentric Solar-System model