That's exactly my 10 km best, and my 5km is 21:45, so you should definitely be able to take time off the 5 in a race.
The loop in the elizabeth olympic park is 1km but has and 200m uphill drag I'm going to aim to just run 5 laps of that and just go fer it
@Tenderloin started
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That's exactly my 10 km best, and my 5km is 21:45, so you should definitely be able to take time off the 5 in a race.