Rachel Spencer

Bib: 67938 F NZ

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
11:54/mi
36:56
49125
10K· 6.21 mi
11:12/mi
1:11:43
5081
15K· 9.32 mi
11:27/mi
1:47:15
4451
20K· 12.43 mi
12:53/mi
2:27:15
6740
Half· 13.10 mi
11:39/mi
2:35:04
27
25K· 15.53 mi
15:09/mi
3:11:57
5063
30K· 18.64 mi
11:16/mi
3:46:56
6946
35K· 21.75 mi
11:37/mi
4:23:01
8788
40K· 24.85 mi
13:18/mi
5:04:19
5875
Finish· 26.22 mi
10:39/mi
5:18:50
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
2:35:0411:51 /mi⚡ faster
2nd Half
2:43:4612:29 /mi+5.6%
Positive split — 5.6% slower in the second half
AI Race Performance Report

Rachel'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
36:5611:543.11 mi36:56
11:54
-
10K
1:11:4311:333.10 mi34:47
11:12
-0:42
15K
1:47:1511:313.11 mi35:32
11:27
+0:15
20K
2:27:1511:513.11 mi40:00
12:53
+1:26
Half(13.10 mi)
2:35:0411:510.67 mi7:49
11:39
-1:14
25K
3:11:5712:222.43 mi36:53
15:09
+3:30
30K
3:46:5612:113.11 mi34:59
11:16
-3:53
35K
4:23:0112:063.11 mi36:05
11:37
+0:21
40K
5:04:1912:153.10 mi41:18
13:18
+1:41
Finish(26.22 mi)
5:18:5012:111.37 mi14:31
10:39
-2:39
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Rachel's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:39 /mi

Average Pace

12:10 /mi

Slowest Pace

15:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

14:31

5% of race

Time at Steady Pace

3:06:08

58% of race

Time at Slower Pace

1:58:11

37% of race

Average Pace: 12:10 /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 mi536322163421634449471627816278
10K3.10 mi50637+299519666+196819666+1968470571745617456
15K3.11 mi48639+199818433+123318433+1233449471627816278
20K3.11 mi49551-91219105-67219105-672514552055820558
Half(13.10 mi)0.67 mi49219+33218911+19418911+194437411617316173
25K2.43 mi50466-124719764-85319764-853543482258022580
30K3.11 mi47970+249618361+140318361+1403344481192011920
35K3.11 mi45795+217517270+109117270+1091323291162411624
40K3.10 mi45571+22417275-517275-5441701776217762
Finish(26.22 mi)1.37 mi44853+71816946+32916946+329285031031010310

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
131 ft55 ft
49ft125ft
117 ft

Overall

44947

Females

16278

F18-39

16278

5K→10K

3.1 - 6.2 mi

Top 79%
55 ft24 ft
50ft81ft
45 ft

Overall

47057

Females

17456

F18-39

17456

10K→15K

6.2 - 9.3 mi

Top 75%
24 ft18 ft
44ft51ft
17 ft

Overall

44947

Females

16278

F18-39

16278

15K→20K

9.3 - 12.4 mi

Top 86%
18 ft45 ft
67ft40ft
38 ft

Overall

51455

Females

20558

F18-39

20558

20K→Half

12.4 - 13.1 mi

Top 73%
45 ft26 ft
8ft27ft
20 ft

Overall

43741

Females

16173

F18-39

16173

Half→25K

13.1 - 15.5 mi

Top 91%
25 ft12 ft
50ft63ft
20 ft

Overall

54348

Females

22580

F18-39

22580

25K→30K

15.5 - 18.6 mi

Top 58%
12 ft35 ft
69ft46ft
28 ft

Overall

34448

Females

11920

F18-39

11920

30K→35K

18.6 - 21.8 mi

Top 54%
35 ft34 ft
87ft88ft
23 ft

Overall

32329

Females

11624

F18-39

11624

35K→40K

21.8 - 24.9 mi

Top 74%
34 ft17 ft
58ft75ft
31 ft

Overall

44170

Females

17762

F18-39

17762

40K→Finish

24.9 - 26.2 mi

Top 48%
17 ft13 ft
14ft18ft
13 ft

Overall

28503

Females

10310

F18-39

10310

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing