Alison Dunscombe

Bib: 19706 F GB

0:00
0:00
/ mi
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Overall
#0 / 59786
Gender (Female)
#0 / 26115
Top 38%
Division (F18-39)
#0 / 14744
Top 39%
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
9:31/mi
29:33
49125
10K· 6.21 mi
9:25/mi
58:48
5081
15K· 9.32 mi
9:39/mi
1:28:45
4451
20K· 12.43 mi
9:28/mi
1:58:09
6740
Half· 13.10 mi
9:49/mi
2:04:44
27
25K· 15.53 mi
10:13/mi
2:29:37
5063
30K· 18.64 mi
11:26/mi
3:05:06
6946
35K· 21.75 mi
11:11/mi
3:39:50
8788
40K· 24.85 mi
11:15/mi
4:14:46
5875
Finish· 26.22 mi
11:05/mi
4:29:52
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
2:04:449:32 /mi⚡ faster
2nd Half
2:25:0811:04 /mi+16.4%
Positive split — 16.4% slower in the second half
AI Race Performance Report

Alison'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
29:339:313.11 mi29:33
9:31
-
10K
58:489:283.10 mi29:15
9:25
-0:06
15K
1:28:459:323.11 mi29:57
9:39
+0:14
20K
1:58:099:313.11 mi29:24
9:28
-0:11
Half(13.10 mi)
2:04:449:320.67 mi6:35
9:49
+0:21
25K
2:29:379:382.43 mi24:53
10:13
+0:24
30K
3:05:069:563.11 mi35:29
11:26
+1:13
35K
3:39:5010:073.11 mi34:44
11:11
-0:15
40K
4:14:4610:163.10 mi34:56
11:15
+0:04
Finish(26.22 mi)
4:29:5210:191.37 mi15:06
11:05
-0:10
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Alison's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:25 /mi

Average Pace

10:18 /mi

Slowest Pace

11:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:04:44

46% of race

Time at Steady Pace

24:53

9% of race

Time at Slower Pace

2:00:15

45% of race

Average Pace: 10:18 /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 mi3347110245102452942885878587
10K3.10 mi31896+15759576+6699576+6693047090189018
15K3.11 mi30936+9609200+3769200+3762942885878587
20K3.11 mi30202+7348949+2518949+2512879984228422
Half(13.10 mi)0.67 mi30100+1028929+208929+202893885938593
25K2.43 mi30071+298991-628991-623102997689768
30K3.11 mi31015-9449569-5789569-578354681242512425
35K3.11 mi30437+5789582-139582-13295471026210262
40K3.10 mi30233+2049706-1249706-124297431086410864
Finish(26.22 mi)1.37 mi30311-789822-1169822-116322151202012020

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
131 ft55 ft
49ft125ft
117 ft

Overall

29428

Females

8587

F18-39

8587

5K→10K

3.1 - 6.2 mi

Top 51%
55 ft24 ft
50ft81ft
45 ft

Overall

30470

Females

9018

F18-39

9018

10K→15K

6.2 - 9.3 mi

Top 49%
24 ft18 ft
44ft51ft
17 ft

Overall

29428

Females

8587

F18-39

8587

15K→20K

9.3 - 12.4 mi

Top 48%
18 ft45 ft
67ft40ft
38 ft

Overall

28799

Females

8422

F18-39

8422

20K→Half

12.4 - 13.1 mi

Top 48%
45 ft26 ft
8ft27ft
20 ft

Overall

28938

Females

8593

F18-39

8593

Half→25K

13.1 - 15.5 mi

Top 52%
25 ft12 ft
50ft63ft
20 ft

Overall

31029

Females

9768

F18-39

9768

25K→30K

15.5 - 18.6 mi

Top 59%
12 ft35 ft
69ft46ft
28 ft

Overall

35468

Females

12425

F18-39

12425

30K→35K

18.6 - 21.8 mi

Top 49%
35 ft34 ft
87ft88ft
23 ft

Overall

29547

Females

10262

F18-39

10262

35K→40K

21.8 - 24.9 mi

Top 50%
34 ft17 ft
58ft75ft
31 ft

Overall

29743

Females

10864

F18-39

10864

40K→Finish

24.9 - 26.2 mi

Top 54%
17 ft13 ft
14ft18ft
13 ft

Overall

32215

Females

12020

F18-39

12020

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing