Question Summary:
Is Sa’ee valid without Wudhu?

Question Detail:

If one does the last circuit of Sa’ee without wudhu, is the sa’ee valid?

Answer :

In the Name of Allah, the Most Gracious, the Most Merciful.
As-salāmu ‘alaykum wa-rahmatullāhi wa-barakātuh.
 
Wudu is not a condition for the validity of Saee. However, it is Mustahab (preferable) to be in the state of wudu while performing Saee.[1]
 
And Allah Ta’āla Knows Best
Checked and Approved by,
Mufti Ebrahim Desai.