The challenging Quartus Calumnia covers 309 miles (Black route) and consists of the stages 18 to 23 of the 1500 mile, 29 day, Relentless (www.ultrarunningltd.co.uk/relentless). It can be entered in its entirety as an individual, or as a relay team. It can also be split into 6 days, each day being a unique ultra event, which can again be entered as an individual or as a relay team. Shorter Red and Blue route options for the Quartus and for each individual ultra. 13-18 October.
- 309 miles (total)
- 48 miles (1 race)
- 51 miles (2 x races)
- 53 miles (3 x races)
- 6 days
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