|style="border-bottom:solid 1px lightgray;" width=400| [[Event: Östergötland Open 2021|Östergötland Open 2021]]
|style="border-bottom:solid 1px lightgray;" width=450|''An [[open event]] in [[Municipality: Linköping|Linköping]] - [[Region: Östergötland|Östergötland]] - [[Country: Sweden|Sweden]] [[File: Flag of Sweden.png|x12px]]''
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=== May ===
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|style="border-bottom:solid 1px lightgray;" width=100 rowspan=1| <span style="color:limegreen">New date<br>2021-0405-2530</span>
|style="border-bottom:solid 1px lightgray;" width=400| [[Event: Turf08-Gå21|Turf08-Walk 2021]]
|style="border-bottom:solid 1px lightgray;" width=450|''An [[open event]] in [[Municipality: Huddinge|Huddinge]] - [[Region: Stockholm|Stockholm]] - [[Country: Sweden|Sweden]] [[File: Flag of Sweden.png|x12px]]''