Location: Kilkenny Watershed, low chlorine pool.

Start time: 9:37 a.m.

Pool length: 25m

Cost: €5

Current pool depth of adjustable floor: 2.01 metres

Time to finish first 3k: 53 mins

Worst period: 4th hour

Duration sun actually shone through cloud: <1 minute

Distance: 20,500

Of which front crawl: 18000

With paddles: 6000

Backstroke: 1000

Kick: 1500

Tumbleturns: 670

Number of lengths: 820

Number of times swimming into wall: 2

Longest break: 5 mins

Number of people who shared the lane with me over the entire swim: 0

Time the pool was empty except me and one lifeguard; 1 p.m. to 3 p.m.

Estimated total stoppage time including intervals: 30 mins

Full Pool evening lights switched on at: 3.50 p.m.

Sunset 16:17 P.M.

Different lifeguards on duty during swim: 3

Finish time: 16:35 p.m.

Elapsed time: Six hours fifty-eight minutes

Time during which nothing interesting happened: Six hours fifty-eight minutes

Estimated actual swim time: Six hours thirty minutes

Average speed: ≈ 3200 metres per hour

Stroke efficiency deterioration ≈ 20%**

Food consumed: One clementine. 500 ml Swimmer’s Smoothie. 2 packets of maltodextrin Go-Sport. 1.5 scoop of Perpetuum

Liquid consumed: ≈ 3 litres

Liquid urinated: at least 4 litres

Calories consumed according to Swimovate watch: ≈ 5,500

Toby’s level of interest: none

** Calculated by increase in average stoke count per length over 25 metres of 4 strokes.

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