Thomas Marsh

Bib: 46478 M US

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
5:54/mi
18:19
49125
10K· 6.21 mi
5:59/mi
36:52
5081
15K· 9.32 mi
6:04/mi
55:40
4451
20K· 12.43 mi
5:55/mi
1:14:01
6740
Half· 13.10 mi
6:10/mi
1:18:09
27
25K· 15.53 mi
6:08/mi
1:33:03
5063
30K· 18.64 mi
6:36/mi
1:53:32
6946
35K· 21.75 mi
7:30/mi
2:16:49
8788
40K· 24.85 mi
7:48/mi
2:41:01
5875
Finish· 26.22 mi
7:38/mi
2:51:25
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
1:18:095:58 /mi⚡ faster
2nd Half
1:33:167:07 /mi+19.3%
Positive split — 19.3% slower in the second half
AI Race Performance Report

Thomas'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
18:195:543.11 mi18:19
5:54
-
10K
36:525:563.10 mi18:33
5:59
+0:05
15K
55:405:593.11 mi18:48
6:04
+0:05
20K
1:14:015:583.11 mi18:21
5:55
-0:09
Half(13.10 mi)
1:18:095:580.67 mi4:08
6:10
+0:15
25K
1:33:036:002.43 mi14:54
6:08
-0:02
30K
1:53:326:063.11 mi20:29
6:36
+0:28
35K
2:16:496:183.11 mi23:17
7:30
+0:54
40K
2:41:016:293.10 mi24:12
7:48
+0:18
Finish(26.22 mi)
2:51:256:331.37 mi10:24
7:38
-0:10
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Thomas's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

5:54 /mi

Average Pace

6:33 /mi

Slowest Pace

7:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

1:33:03

54% of race

Time at Slower Pace

1:18:22

46% of race

Average Pace: 6:32 /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 mi652631631657635635
10K3.10 mi673-21648-17648-17725696696
15K3.11 mi662+11639+9639+9657635635
20K3.11 mi648+14627+12627+12641625625
Half(13.10 mi)0.67 mi656-8634-7634-7892865865
25K2.43 mi693-37671-37671-37963929929
30K3.11 mi818-125793-122793-122191318211821
35K3.11 mi1259-4411211-4181211-418496242794279
40K3.10 mi1688-4291611-4001611-400585647334733
Finish(26.22 mi)1.37 mi1808-1201719-1081719-108539843654365

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
131 ft55 ft
49ft125ft
117 ft

Overall

657

Males

635

M18-39

635

5K→10K

3.1 - 6.2 mi

Top 1%
55 ft24 ft
50ft81ft
45 ft

Overall

725

Males

696

M18-39

696

10K→15K

6.2 - 9.3 mi

Top 1%
24 ft18 ft
44ft51ft
17 ft

Overall

657

Males

635

M18-39

635

15K→20K

9.3 - 12.4 mi

Top 1%
18 ft45 ft
67ft40ft
38 ft

Overall

641

Males

625

M18-39

625

20K→Half

12.4 - 13.1 mi

Top 1%
45 ft26 ft
8ft27ft
20 ft

Overall

892

Males

865

M18-39

865

Half→25K

13.1 - 15.5 mi

Top 2%
25 ft12 ft
50ft63ft
20 ft

Overall

963

Males

929

M18-39

929

25K→30K

15.5 - 18.6 mi

Top 3%
12 ft35 ft
69ft46ft
28 ft

Overall

1913

Males

1821

M18-39

1821

30K→35K

18.6 - 21.8 mi

Top 8%
35 ft34 ft
87ft88ft
23 ft

Overall

4962

Males

4279

M18-39

4279

35K→40K

21.8 - 24.9 mi

Top 10%
34 ft17 ft
58ft75ft
31 ft

Overall

5856

Males

4733

M18-39

4733

40K→Finish

24.9 - 26.2 mi

Top 9%
17 ft13 ft
14ft18ft
13 ft

Overall

5398

Males

4365

M18-39

4365

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing