David Caulfield

Bib: 18361 M IE

0:00
0:00
/ mi
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Overall
#0 / 59786
Top 45%
Gender (Male)
#0 / 33594
Division (M18-39)
#0 / 16712
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
9:02/mi
28:02
49125
10K· 6.21 mi
9:18/mi
56:54
5081
15K· 9.32 mi
10:01/mi
1:28:00
4451
20K· 12.43 mi
9:22/mi
1:57:06
6740
Half· 13.10 mi
9:39/mi
2:03:34
27
25K· 15.53 mi
9:39/mi
2:27:04
5063
30K· 18.64 mi
10:25/mi
2:59:24
6946
35K· 21.75 mi
10:49/mi
3:32:58
8788
40K· 24.85 mi
10:28/mi
4:05:26
5875
Finish· 26.22 mi
10:13/mi
4:19:21
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
2:03:349:27 /mi⚡ faster
2nd Half
2:15:4710:21 /mi+9.9%
Positive split — 9.9% slower in the second half
AI Race Performance Report

David'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
28:029:023.11 mi28:02
9:02
-
10K
56:549:103.10 mi28:52
9:18
+0:16
15K
1:28:009:273.11 mi31:06
10:01
+0:43
20K
1:57:069:263.11 mi29:06
9:22
-0:39
Half(13.10 mi)
2:03:349:270.67 mi6:28
9:39
+0:17
25K
2:27:049:292.43 mi23:30
9:39
0:00
30K
2:59:249:383.11 mi32:20
10:25
+0:46
35K
3:32:589:483.11 mi33:34
10:49
+0:24
40K
4:05:269:533.10 mi32:28
10:28
-0:21
Finish(26.22 mi)
4:19:219:541.37 mi13:55
10:13
-0:15
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of David's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:02 /mi

Average Pace

9:54 /mi

Slowest Pace

10:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:55:58

45% of race

Time at Steady Pace

1:49:49

42% of race

Time at Slower Pace

33:34

13% of race

Average Pace: 9:53 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi271341934219342328532279422794
10K3.10 mi27866-73219791-44919791-449287902038520385
15K3.11 mi29985-211921126-133521126-1335328532279422794
20K3.11 mi29299+68620684+44220684+442278741978719787
Half(13.10 mi)0.67 mi29161+13820571+11320571+113273471934419344
25K2.43 mi28452+70920070+50120070+501266851877818778
30K3.11 mi28183+26919744+32619744+326284441935919359
35K3.11 mi27692+49119211+53319211+533270041788317883
40K3.10 mi26864+82818503+70818503+708239831569215692
Finish(26.22 mi)1.37 mi26657+20718311+19218311+192247401613616136

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
131 ft55 ft
49ft125ft
117 ft

Overall

32853

Males

22794

M18-39

22794

5K→10K

3.1 - 6.2 mi

Top 48%
55 ft24 ft
50ft81ft
45 ft

Overall

28790

Males

20385

M18-39

20385

10K→15K

6.2 - 9.3 mi

Top 55%
24 ft18 ft
44ft51ft
17 ft

Overall

32853

Males

22794

M18-39

22794

15K→20K

9.3 - 12.4 mi

Top 47%
18 ft45 ft
67ft40ft
38 ft

Overall

27874

Males

19787

M18-39

19787

20K→Half

12.4 - 13.1 mi

Top 46%
45 ft26 ft
8ft27ft
20 ft

Overall

27347

Males

19344

M18-39

19344

Half→25K

13.1 - 15.5 mi

Top 45%
25 ft12 ft
50ft63ft
20 ft

Overall

26685

Males

18778

M18-39

18778

25K→30K

15.5 - 18.6 mi

Top 48%
12 ft35 ft
69ft46ft
28 ft

Overall

28444

Males

19359

M18-39

19359

30K→35K

18.6 - 21.8 mi

Top 45%
35 ft34 ft
87ft88ft
23 ft

Overall

27004

Males

17883

M18-39

17883

35K→40K

21.8 - 24.9 mi

Top 40%
34 ft17 ft
58ft75ft
31 ft

Overall

23983

Males

15692

M18-39

15692

40K→Finish

24.9 - 26.2 mi

Top 41%
17 ft13 ft
14ft18ft
13 ft

Overall

24740

Males

16136

M18-39

16136

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing