Catriona Marshall

Bib: 31197 F GB

0:00
0:00
/ mi
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Overall
#0 / 59786
Gender (Female)
#0 / 26115
Division (F18-39)
#0 / 14744
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
11:22/mi
35:17
49125
10K· 6.21 mi
11:22/mi
1:10:33
5081
15K· 9.32 mi
12:11/mi
1:48:23
4451
20K· 12.43 mi
12:14/mi
2:26:23
6740
Half· 13.10 mi
12:49/mi
2:34:59
27
25K· 15.53 mi
13:45/mi
3:08:27
5063
30K· 18.64 mi
17:00/mi
4:01:15
6946
35K· 21.75 mi
21:52/mi
5:09:09
8788
40K· 24.85 mi
17:10/mi
6:02:26
5875
Finish· 26.22 mi
15:10/mi
6:23:06
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
2:34:5911:50 /mi⚡ faster
2nd Half
3:48:0717:24 /mi+47.2%
Positive split — 47.2% slower in the second half
AI Race Performance Report

Catriona'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
35:1711:223.11 mi35:17
11:22
-
10K
1:10:3311:223.10 mi35:16
11:22
0:00
15K
1:48:2311:383.11 mi37:50
12:11
+0:49
20K
2:26:2311:473.11 mi38:00
12:14
+0:03
Half(13.10 mi)
2:34:5911:500.67 mi8:36
12:49
+0:35
25K
3:08:2712:082.43 mi33:28
13:45
+0:56
30K
4:01:1512:573.11 mi52:48
17:00
+3:15
35K
5:09:0914:133.11 mi1:07:54
21:52
+4:52
40K
6:02:2614:353.10 mi53:17
17:10
-4:42
Finish(26.22 mi)
6:23:0614:381.37 mi20:40
15:10
-2:00
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Catriona's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

11:22 /mi

Average Pace

14:37 /mi

Slowest Pace

21:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:10:33

18% of race

Time at Steady Pace

2:18:34

36% of race

Time at Slower Pace

2:53:59

45% of race

Average Pace: 14:37 /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. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi508931982619826493721900919009
10K3.10 mi49495+139818955+87118955+871482101817818178
15K3.11 mi49384+11118902+5318902+53493721900919009
20K3.11 mi49192+19218883+1918883+19488541890618906
Half(13.10 mi)0.67 mi49185+718890-718890-7496491967119671
25K2.43 mi49390-20519092-20219092-202503142014120141
30K3.11 mi51617-222720618-152620618-1526569742431224312
35K3.11 mi54880-326322755-213722755-2137594942594625946
40K3.10 mi55464-58423186-43123186-431573332469124691
Finish(26.22 mi)1.37 mi55451+1323201-1523201-15547702330623306

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
131 ft55 ft
49ft125ft
117 ft

Overall

49372

Females

19009

F18-39

19009

5K→10K

3.1 - 6.2 mi

Top 81%
55 ft24 ft
50ft81ft
45 ft

Overall

48210

Females

18178

F18-39

18178

10K→15K

6.2 - 9.3 mi

Top 83%
24 ft18 ft
44ft51ft
17 ft

Overall

49372

Females

19009

F18-39

19009

15K→20K

9.3 - 12.4 mi

Top 82%
18 ft45 ft
67ft40ft
38 ft

Overall

48854

Females

18906

F18-39

18906

20K→Half

12.4 - 13.1 mi

Top 83%
45 ft26 ft
8ft27ft
20 ft

Overall

49649

Females

19671

F18-39

19671

Half→25K

13.1 - 15.5 mi

Top 84%
25 ft12 ft
50ft63ft
20 ft

Overall

50314

Females

20141

F18-39

20141

25K→30K

15.5 - 18.6 mi

Top 95%
12 ft35 ft
69ft46ft
28 ft

Overall

56974

Females

24312

F18-39

24312

30K→35K

18.6 - 21.8 mi

Top 100%
35 ft34 ft
87ft88ft
23 ft

Overall

59494

Females

25946

F18-39

25946

35K→40K

21.8 - 24.9 mi

Top 96%
34 ft17 ft
58ft75ft
31 ft

Overall

57333

Females

24691

F18-39

24691

40K→Finish

24.9 - 26.2 mi

Top 92%
17 ft13 ft
14ft18ft
13 ft

Overall

54770

Females

23306

F18-39

23306

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing