Kirsty Perrett

Bib: 18621 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
11:02/mi
34:14
49125
10K· 6.21 mi
12:24/mi
1:12:43
5081
15K· 9.32 mi
12:22/mi
1:51:06
4451
20K· 12.43 mi
12:23/mi
2:29:32
6740
Half· 13.10 mi
13:45/mi
2:38:45
27
25K· 15.53 mi
14:35/mi
3:14:14
5063
30K· 18.64 mi
15:27/mi
4:02:13
6946
35K· 21.75 mi
17:57/mi
4:57:59
8788
40K· 24.85 mi
15:35/mi
5:46:23
5875
Finish· 26.22 mi
15:09/mi
6:07:02
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
2:38:4512:08 /mi⚡ faster
2nd Half
3:28:1715:53 /mi+31.2%
Positive split — 31.2% slower in the second half
AI Race Performance Report

Kirsty'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
34:1411:023.11 mi34:14
11:02
-
10K
1:12:4311:433.10 mi38:29
12:24
+1:22
15K
1:51:0611:563.11 mi38:23
12:22
-0:02
20K
2:29:3212:023.11 mi38:26
12:23
+0:01
Half(13.10 mi)
2:38:4512:080.67 mi9:13
13:45
+1:22
25K
3:14:1412:312.43 mi35:29
14:35
+0:50
30K
4:02:1313:003.11 mi47:59
15:27
+0:52
35K
4:57:5913:433.11 mi55:46
17:57
+2:30
40K
5:46:2313:573.10 mi48:24
15:35
-2:22
Finish(26.22 mi)
6:07:0214:011.37 mi20:39
15:09
-0:26
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Kirsty's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

11:02 /mi

Average Pace

14:01 /mi

Slowest Pace

17:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:29:32

41% of race

Time at Steady Pace

1:53:20

31% of race

Time at Slower Pace

1:44:10

28% of race

Average Pace: 14:00 /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 mi485441839718397501841951419514
10K3.10 mi51547-300320273-187620273-1876533712156821568
15K3.11 mi51025+52219968+30519968+305501841951419514
20K3.11 mi50524+50119722+24619722+246494811928219282
Half(13.10 mi)0.67 mi50649-12519837-11519837-115528432166221662
25K2.43 mi51167-51820235-39820235-398528372165821658
30K3.11 mi51850-68320772-53720772-537539822251922519
35K3.11 mi53254-140421757-98521757-985575802481724817
40K3.10 mi53565-31122011-25422011-254543232303623036
Finish(26.22 mi)1.37 mi53724-15922129-11822129-118547312327723277

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
131 ft55 ft
49ft125ft
117 ft

Overall

50184

Females

19514

F18-39

19514

5K→10K

3.1 - 6.2 mi

Top 89%
55 ft24 ft
50ft81ft
45 ft

Overall

53371

Females

21568

F18-39

21568

10K→15K

6.2 - 9.3 mi

Top 84%
24 ft18 ft
44ft51ft
17 ft

Overall

50184

Females

19514

F18-39

19514

15K→20K

9.3 - 12.4 mi

Top 83%
18 ft45 ft
67ft40ft
38 ft

Overall

49481

Females

19282

F18-39

19282

20K→Half

12.4 - 13.1 mi

Top 88%
45 ft26 ft
8ft27ft
20 ft

Overall

52843

Females

21662

F18-39

21662

Half→25K

13.1 - 15.5 mi

Top 88%
25 ft12 ft
50ft63ft
20 ft

Overall

52837

Females

21658

F18-39

21658

25K→30K

15.5 - 18.6 mi

Top 90%
12 ft35 ft
69ft46ft
28 ft

Overall

53982

Females

22519

F18-39

22519

30K→35K

18.6 - 21.8 mi

Top 96%
35 ft34 ft
87ft88ft
23 ft

Overall

57580

Females

24817

F18-39

24817

35K→40K

21.8 - 24.9 mi

Top 91%
34 ft17 ft
58ft75ft
31 ft

Overall

54323

Females

23036

F18-39

23036

40K→Finish

24.9 - 26.2 mi

Top 92%
17 ft13 ft
14ft18ft
13 ft

Overall

54731

Females

23277

F18-39

23277

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing