Sabotaged myself by not getting out early enough so it was too hot to run at the faster end of my threshold range. Settled for around 10 mile pace rather than 10k pace for 3 reps of 5 minutes at threshold.

A woman in a purple and blue marbled top, black visor, and sunglasses takes a selfie in front of a brick sculpture of a fish on its nose. Overlaid is the title 'WU, 3 x (5mins @ threshold w/ 3 mins rec), CD' and running stats: 146bpm average heart rate, 16.12km distance, 1:11:53 time, 5:04/km average pace, 59m elevation. Also shown are pace bars showing average pace per km for warm up (5:26), 1st rep (4:18), 1st recovery (5:08), 2nd rep (4:17), 2nd recovery (5:12), 3rd rep (4:18), 3rd recovery (5:16), cool down (5:13).