Table:
0
A
B
C
D
E
F
G
H
I
1
Rank
Rider
Sat 21 Aug
Mon 23 Aug
Tues 24 Aug
Wed 25 Aug
Thurs 26 Aug
Fri 27 Aug
Sat 29 Aug
2
1
Dan Sayle 250cc Honda
Untimed Practice
23' 34.55 96.022mph
20' 08.34 112.409mph
19' 45.20 114.603mph
19' 43.42 114.776mph
19' 25.91 116.500mph
—— No Time
3
2
Neil Kent 250cc Yamaha
Untimed Practice
23' 59.95 94.328mph
20' 55.08 108.223mph
20' 12.27 112.044mph
20' 16.65 111.641mph
20' 27.09 110.691mph
27' 38.40 81.903mph
4
3
Roy Richardson 249cc Yamaha
Untimed Practice
24' 30.41 92.374mph
20' 26.79 110.718mph
—— No Time
21' 43.13 104.232mph
—— No Time
—— No Time
5
4
Nigel Moore 250cc Honda
Untimed Practice
24' 00.81 94.272mph
20' 56.25 108.122mph
20' 43.95 108.122mph
—— No Time
—— No Time
—— No Time
6
5
Davy Morgan 250cc Honda
Untimed Practice
—— No Time
—— No Time
—— No Time
—— No Time
20' 58.50 107.929mph
—— No Time
7
6
Stuart Garton 250cc Yamaha
Untimed Practice
25' 02.86 90.380mph
—— No Time
20' 58.09 107.964mph
20' 58.26 107.949mph
—— No Time
—— No Time
8
7
Tom Snow 250cc Honda
Untimed Practice
24' 42.96 91.592mph
21' 18.87 106.209mph
21' 05.83 107.304mph
21' 07.32 107.177mph
—— No Time
—— No Time
9
8
Phil Harvey 250cc Honda
Untimed Practice
—— No Time
21' 10.25 106.930mph
21' 15.61 106.481mph
—— No Time
21' 09.64 106.981mph
27' 38.40 81.903mph
10
9
Dean Martin 250cc Honda
Untimed Practice
—— No Time
—— No Time
—— No Time
21' 50.38 103.655mph
—— No Time
—— No Time

Questions and formulas:
Question: When 8 is the rank what is the Saturday August 21st?
Formula: LET(query1,SUMMARIZE(C1,SUMX(A1)),FILTER(query1,CHOOSECOLS(query1,2)=8))
Formula2: LET(query1,SUMMARIZE(C2:C10,SUMX(A2:A10)),FILTER(query1,CHOOSECOLS(query1,2)=8))
Level: hard
Question: When 20' 58.50 107.929mph is Friday August 27th What is Tuesday 24th August?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:I1,H1="20' 58.50 107.929mph"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:I10,H2:H10="20' 58.50 107.929mph"),5))
Level: medium
Question: When 21' 18.87 106.209mph is Tuesday August 24th what is Monday August 23rd?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:I1,E1="21' 18.87 106.209mph"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:I10,E2:E10="21' 18.87 106.209mph"),4))
Level: medium
Question: When 21' 10.25 106.930mph is Tuesday August 24th what is Saturday August 29th?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:I1,E1="21' 10.25 106.930mph"),9))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:I10,E2:E10="21' 10.25 106.930mph"),9))
Level: medium
Question: When  21' 05.83 107.304mph is Wednesday August 25th what is Friday August 27th?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:I1,F1="21' 05.83 107.304mph"),8))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:I10,F2:F10="21' 05.83 107.304mph"),8))
Level: medium
Question: When tom snow 250cc honda is the rider what is Monday August 23rd?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:I1,B1="Tom Snow 250cc Honda"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:I10,B2:B10="Tom Snow 250cc Honda"),4))
Level: medium