Emma Simpson

Bib: 38741 F GB

0:00
0:00
/ mi
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Overall
#0 / 59786
Top 17%
Gender (Female)
#0 / 26115
Top 9%
Division (F18-39)
#0 / 14744
Top 11%
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
7:04/mi
21:56
49125
10K· 6.21 mi
7:12/mi
44:16
5081
15K· 9.32 mi
7:19/mi
1:06:59
4451
20K· 12.43 mi
7:14/mi
1:29:25
6740
Half· 13.10 mi
7:32/mi
1:34:28
27
25K· 15.53 mi
7:43/mi
1:53:15
5063
30K· 18.64 mi
10:02/mi
2:24:23
6946
35K· 21.75 mi
8:46/mi
2:51:36
8788
40K· 24.85 mi
9:13/mi
3:20:14
5875
Finish· 26.22 mi
8:46/mi
3:32:11
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
1:34:287:13 /mi⚡ faster
2nd Half
1:57:438:59 /mi+24.6%
Positive split — 24.6% slower in the second half
AI Race Performance Report

Emma'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
21:567:043.11 mi21:56
7:04
-
10K
44:167:083.10 mi22:20
7:12
+0:08
15K
1:06:597:123.11 mi22:43
7:19
+0:07
20K
1:29:257:123.11 mi22:26
7:14
-0:05
Half(13.10 mi)
1:34:287:130.67 mi5:03
7:32
+0:18
25K
1:53:157:182.43 mi18:47
7:43
+0:11
30K
2:24:237:453.11 mi31:08
10:02
+2:19
35K
2:51:367:543.11 mi27:13
8:46
-1:16
40K
3:20:148:043.10 mi28:38
9:13
+0:27
Finish(26.22 mi)
3:32:118:061.37 mi11:57
8:46
-0:27
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Emma's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

7:04 /mi

Average Pace

8:06 /mi

Slowest Pace

10:02 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

44:16

21% of race

Time at Steady Pace

1:08:59

33% of race

Time at Slower Pace

1:38:56

47% of race

Average Pace: 8:06 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi61967577576123729729
10K3.10 mi6289-93776-19776-196470817817
15K3.11 mi6228+61756+20756+206123729729
20K3.11 mi6233-5761-5761-56478827827
Half(13.10 mi)0.67 mi6254-21765-4765-4720910681068
25K2.43 mi6572-318880-115880-115887516311631
30K3.11 mi9197-26251697-8171697-8172568978507850
35K3.11 mi9582-3851930-2331930-2331263233193319
40K3.10 mi10329-7472275-3452275-3451521846824682
Finish(26.22 mi)1.37 mi10408-792337-622337-621295838753875

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
131 ft55 ft
49ft125ft
117 ft

Overall

6123

Females

729

F18-39

729

5K→10K

3.1 - 6.2 mi

Top 11%
55 ft24 ft
50ft81ft
45 ft

Overall

6470

Females

817

F18-39

817

10K→15K

6.2 - 9.3 mi

Top 10%
24 ft18 ft
44ft51ft
17 ft

Overall

6123

Females

729

F18-39

729

15K→20K

9.3 - 12.4 mi

Top 11%
18 ft45 ft
67ft40ft
38 ft

Overall

6478

Females

827

F18-39

827

20K→Half

12.4 - 13.1 mi

Top 12%
45 ft26 ft
8ft27ft
20 ft

Overall

7209

Females

1068

F18-39

1068

Half→25K

13.1 - 15.5 mi

Top 15%
25 ft12 ft
50ft63ft
20 ft

Overall

8875

Females

1631

F18-39

1631

25K→30K

15.5 - 18.6 mi

Top 43%
12 ft35 ft
69ft46ft
28 ft

Overall

25689

Females

7850

F18-39

7850

30K→35K

18.6 - 21.8 mi

Top 21%
35 ft34 ft
87ft88ft
23 ft

Overall

12632

Females

3319

F18-39

3319

35K→40K

21.8 - 24.9 mi

Top 25%
34 ft17 ft
58ft75ft
31 ft

Overall

15218

Females

4682

F18-39

4682

40K→Finish

24.9 - 26.2 mi

Top 22%
17 ft13 ft
14ft18ft
13 ft

Overall

12958

Females

3875

F18-39

3875

Passing Analysis

Category:
Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#6196
5K10K
18491-93
#6196 #6289
10K15K
54115+61
#6289 #6228
15K20K
10499-5
#6228 #6233
20KHalf
4120-21
#6233 #6254
Half25K
36244-318
#6254 #6572
25K30K
26327-2625
#6572 #9197
30K35K
561177-385
#9197 #9582
35K40K
894148-747
#9582 #10329
40KFinish
16990*-79
#10329 #10408
TOTALS
5001791*-4212
#6196 #10408

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Visualized

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing