Challenge
Periodic Table #1
Example Runner | example
Completed
14/02/2026
Completed table #1
Complete all 118 chemical elements by matching parkrun event names to element symbols.
Complete all 118 chemical elements by matching parkrun event names to element symbols.
Periodic Table
Periodic Table #1
Completed table #1
118/118 distinct elements assigned
This completed table uses 118 different event names, with one distinct event assigned to each element.
Periodic route view
Map your completed periodic table assignments
118 on map
0 still needed
Completed elements with a known location are shown on the map. The green line follows run order by date.
Green line: run order by date. Drag and scroll to explore the map.
Completed element
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