Henry Cox

Bib: 47510 M GB

0:00
0:00
/ mi
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Overall
#0 / 59786
Top 3%
Gender (Male)
#0 / 33594
Top 5%
Division (M18-39)
#0 / 16712
Top 7%
Race Day Weather
56°/46°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:08/mi
19:03
49125
10K· 6.21 mi
6:05/mi
37:57
5081
15K· 9.32 mi
6:08/mi
57:00
4451
20K· 12.43 mi
6:01/mi
1:15:41
6740
Half· 13.10 mi
6:07/mi
1:19:47
27
25K· 15.53 mi
6:03/mi
1:34:30
5063
30K· 18.64 mi
6:14/mi
1:53:51
6946
35K· 21.75 mi
6:59/mi
2:15:32
8788
40K· 24.85 mi
7:52/mi
2:39:56
5875
Finish· 26.22 mi
7:08/mi
2:49:39
1418
Course Elevation
503ft
Total climb
166ft
Range
6 to 172 ft
613ft
Total descent
About the height of the Statue of Liberty

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The Course

Half Splits

1st Half· via Half
1:19:476:06 /mi⚡ faster
2nd Half
1:29:526:51 /mi+12.6%
Positive split — 12.6% slower in the second half
AI Race Performance Report

Henry's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

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Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
19:036:083.11 mi19:03
6:08
-
10K
37:576:073.10 mi18:54
6:05
-0:03
15K
57:006:073.11 mi19:03
6:08
+0:03
20K
1:15:416:063.11 mi18:41
6:01
-0:07
Half(13.10 mi)
1:19:476:060.67 mi4:06
6:07
+0:06
25K
1:34:306:052.43 mi14:43
6:03
-0:04
30K
1:53:516:073.11 mi19:21
6:14
+0:11
35K
2:15:326:143.11 mi21:41
6:59
+0:45
40K
2:39:566:273.10 mi24:24
7:52
+0:53
Finish(26.22 mi)
2:49:396:291.37 mi9:43
7:08
-0:44
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Henry's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

6:01 /mi

Average Pace

6:29 /mi

Slowest Pace

7:52 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

1:53:51

67% of race

Time at Slower Pace

55:48

33% of race

Average Pace: 6:28 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi121711641164828798798
10K3.10 mi1066+1511022+1421022+142941903903
15K3.11 mi955+111917+105917+105828798798
20K3.11 mi941+14905+12905+12894866866
Half(13.10 mi)0.67 mi920+21889+16889+16772749749
25K2.43 mi882+38852+37852+37786760760
30K3.11 mi864+18837+15837+15882853853
35K3.11 mi1083-2191041-2041041-204306028022802
40K3.10 mi1557-4741489-4481489-448618349634963
Finish(26.22 mi)1.37 mi1617-601544-551544-55323628322832

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
131 ft55 ft
49ft125ft
117 ft

Overall

828

Males

798

M18-39

798

5K→10K

3.1 - 6.2 mi

Top 2%
55 ft24 ft
50ft81ft
45 ft

Overall

941

Males

903

M18-39

903

10K→15K

6.2 - 9.3 mi

Top 1%
24 ft18 ft
44ft51ft
17 ft

Overall

828

Males

798

M18-39

798

15K→20K

9.3 - 12.4 mi

Top 1%
18 ft45 ft
67ft40ft
38 ft

Overall

894

Males

866

M18-39

866

20K→Half

12.4 - 13.1 mi

Top 1%
45 ft26 ft
8ft27ft
20 ft

Overall

772

Males

749

M18-39

749

Half→25K

13.1 - 15.5 mi

Top 1%
25 ft12 ft
50ft63ft
20 ft

Overall

786

Males

760

M18-39

760

25K→30K

15.5 - 18.6 mi

Top 1%
12 ft35 ft
69ft46ft
28 ft

Overall

882

Males

853

M18-39

853

30K→35K

18.6 - 21.8 mi

Top 5%
35 ft34 ft
87ft88ft
23 ft

Overall

3060

Males

2802

M18-39

2802

35K→40K

21.8 - 24.9 mi

Top 10%
34 ft17 ft
58ft75ft
31 ft

Overall

6183

Males

4963

M18-39

4963

40K→Finish

24.9 - 26.2 mi

Top 5%
17 ft13 ft
14ft18ft
13 ft

Overall

3236

Males

2832

M18-39

2832

Passing Analysis

Category:
Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#1217
5K10K
12163+151
#1217 #1066
10K15K
2113+111
#1066 #955
15K20K
1731+14
#955 #941
20KHalf
223+21
#941 #920
Half25K
846+38
#920 #882
25K30K
2442+18
#882 #864
30K35K
2289-219
#864 #1083
35K40K
4795-474
#1083 #1557
40KFinish
7414-60
#1557 #1617
TOTALS
846446-400
#1217 #1617

Passing Visualized

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing