I'd say it doesn't shake out evenly as 4 x 2.5km. sometimes that last 2.5km can feel like forever. Keep plenty of spare energy for it!
For me it’s the 5-8km in a 10km that seem to last forever, the last few you are nearly home.
@Jimm started
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I'd say it doesn't shake out evenly as 4 x 2.5km. sometimes that last 2.5km can feel like forever. Keep plenty of spare energy for it!