Tom Barltrop

Bib: 18369 M GB

0:00
0:00
/ mi
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Overall
#0 / 59786
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
9:03/mi
28:05
49125
10K· 6.21 mi
9:27/mi
57:26
5081
15K· 9.32 mi
9:46/mi
1:27:45
4451
20K· 12.43 mi
10:09/mi
1:59:14
6740
Half· 13.10 mi
10:22/mi
2:06:11
27
25K· 15.53 mi
10:32/mi
2:31:49
5063
30K· 18.64 mi
11:27/mi
3:07:23
6946
35K· 21.75 mi
12:35/mi
3:46:28
8788
40K· 24.85 mi
12:58/mi
4:26:45
5875
Finish· 26.22 mi
12:09/mi
4:43:18
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
2:06:119:39 /mi⚡ faster
2nd Half
2:37:0711:59 /mi+24.5%
Positive split — 24.5% slower in the second half
AI Race Performance Report

Tom'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
28:059:033.11 mi28:05
9:03
-
10K
57:269:153.10 mi29:21
9:27
+0:24
15K
1:27:459:253.11 mi30:19
9:46
+0:19
20K
1:59:149:363.11 mi31:29
10:09
+0:23
Half(13.10 mi)
2:06:119:390.67 mi6:57
10:22
+0:13
25K
2:31:499:472.43 mi25:38
10:32
+0:10
30K
3:07:2310:043.11 mi35:34
11:27
+0:55
35K
3:46:2810:253.11 mi39:05
12:35
+1:08
40K
4:26:4510:443.10 mi40:17
12:58
+0:23
Finish(26.22 mi)
4:43:1810:491.37 mi16:33
12:09
-0:49
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Tom's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:03 /mi

Average Pace

10:49 /mi

Slowest Pace

12:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:27:45

31% of race

Time at Steady Pace

1:04:04

23% of race

Time at Slower Pace

2:11:29

46% of race

Average Pace: 10:48 /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 mi273921950519505305432146321463
10K3.10 mi29207-181520623-111820623-1118308572163221632
15K3.11 mi29681-47420945-32220945-322305432146321463
20K3.11 mi31061-138021738-79321738-793347352354323543
Half(13.10 mi)0.67 mi31125-6421760-2221760-22336162279322793
25K2.43 mi31422-29721811-5121811-51335452251722517
30K3.11 mi32129-70722019-20822019-208356262306923069
35K3.11 mi33272-114322391-37222391-372383862379523795
40K3.10 mi34557-128522868-47722868-477421322534025340
Finish(26.22 mi)1.37 mi34823-26622931-6322931-63407252468424684

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
131 ft55 ft
49ft125ft
117 ft

Overall

30543

Males

21463

M18-39

21463

5K→10K

3.1 - 6.2 mi

Top 52%
55 ft24 ft
50ft81ft
45 ft

Overall

30857

Males

21632

M18-39

21632

10K→15K

6.2 - 9.3 mi

Top 51%
24 ft18 ft
44ft51ft
17 ft

Overall

30543

Males

21463

M18-39

21463

15K→20K

9.3 - 12.4 mi

Top 58%
18 ft45 ft
67ft40ft
38 ft

Overall

34735

Males

23543

M18-39

23543

20K→Half

12.4 - 13.1 mi

Top 56%
45 ft26 ft
8ft27ft
20 ft

Overall

33616

Males

22793

M18-39

22793

Half→25K

13.1 - 15.5 mi

Top 56%
25 ft12 ft
50ft63ft
20 ft

Overall

33545

Males

22517

M18-39

22517

25K→30K

15.5 - 18.6 mi

Top 60%
12 ft35 ft
69ft46ft
28 ft

Overall

35626

Males

23069

M18-39

23069

30K→35K

18.6 - 21.8 mi

Top 64%
35 ft34 ft
87ft88ft
23 ft

Overall

38386

Males

23795

M18-39

23795

35K→40K

21.8 - 24.9 mi

Top 70%
34 ft17 ft
58ft75ft
31 ft

Overall

42132

Males

25340

M18-39

25340

40K→Finish

24.9 - 26.2 mi

Top 68%
17 ft13 ft
14ft18ft
13 ft

Overall

40725

Males

24684

M18-39

24684

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing