Sarah Dalton

Bib: 12156 F GB

0:00
0:00
/ mi
Masters
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Overall
#0 / 59786
Top 45%
Gender (Female)
#0 / 26115
Top 32%
Masters (Masters Women)
#0 / 11371
Top 30%
Division (F45-49)
#0 / 2995
Top 33%
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
9:14/mi
28:39
49125
10K· 6.21 mi
9:45/mi
58:54
5081
15K· 9.32 mi
9:41/mi
1:28:59
4451
20K· 12.43 mi
9:30/mi
1:58:27
6740
Half· 13.10 mi
9:52/mi
2:05:04
27
25K· 15.53 mi
9:54/mi
2:29:09
5063
30K· 18.64 mi
10:10/mi
3:00:42
6946
35K· 21.75 mi
10:37/mi
3:33:39
8788
40K· 24.85 mi
10:24/mi
4:05:56
5875
Finish· 26.22 mi
10:05/mi
4:19:41
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
2:05:049:33 /mi⚡ faster
2nd Half
2:14:3710:16 /mi+7.6%
Positive split — 7.6% slower in the second half
AI Race Performance Report

Sarah'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
28:399:143.11 mi28:39
9:14
-
10K
58:549:293.10 mi30:15
9:45
+0:31
15K
1:28:599:333.11 mi30:05
9:41
-0:04
20K
1:58:279:323.11 mi29:28
9:30
-0:11
Half(13.10 mi)
2:05:049:330.67 mi6:37
9:52
+0:22
25K
2:29:099:372.43 mi24:05
9:54
+0:02
30K
3:00:429:423.11 mi31:33
10:10
+0:16
35K
3:33:399:503.11 mi32:57
10:37
+0:27
40K
4:05:569:543.10 mi32:17
10:24
-0:13
Finish(26.22 mi)
4:19:419:551.37 mi13:45
10:05
-0:19
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Sarah's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:14 /mi

Average Pace

9:55 /mi

Slowest Pace

10:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:42:54

63% of race

Time at Steady Pace

1:36:47

37% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:54 /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. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi29909881288122981187568756
10K3.10 mi32081-21729660-8489660-848338741048710487
15K3.11 mi31194+8879304+3569304+3562981187568756
20K3.11 mi30431+7639037+2679037+2672896184958495
Half(13.10 mi)0.67 mi30330+1019019+189019+182922587568756
25K2.43 mi29772+5588869+1508869+1502848886378637
30K3.11 mi28809+9638640+2298640+2292660582488248
35K3.11 mi27966+8438556+848556+842573784938493
40K3.10 mi27061+9058406+1508406+1502358680898089
Finish(26.22 mi)1.37 mi26757+3048358+488358+482372181558155

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
131 ft55 ft
49ft125ft
117 ft

Overall

29811

Females

8756

F45-49

8756

5K→10K

3.1 - 6.2 mi

Top 57%
55 ft24 ft
50ft81ft
45 ft

Overall

33874

Females

10487

F45-49

10487

10K→15K

6.2 - 9.3 mi

Top 50%
24 ft18 ft
44ft51ft
17 ft

Overall

29811

Females

8756

F45-49

8756

15K→20K

9.3 - 12.4 mi

Top 48%
18 ft45 ft
67ft40ft
38 ft

Overall

28961

Females

8495

F45-49

8495

20K→Half

12.4 - 13.1 mi

Top 49%
45 ft26 ft
8ft27ft
20 ft

Overall

29225

Females

8756

F45-49

8756

Half→25K

13.1 - 15.5 mi

Top 48%
25 ft12 ft
50ft63ft
20 ft

Overall

28488

Females

8637

F45-49

8637

25K→30K

15.5 - 18.6 mi

Top 45%
12 ft35 ft
69ft46ft
28 ft

Overall

26605

Females

8248

F45-49

8248

30K→35K

18.6 - 21.8 mi

Top 43%
35 ft34 ft
87ft88ft
23 ft

Overall

25737

Females

8493

F45-49

8493

35K→40K

21.8 - 24.9 mi

Top 39%
34 ft17 ft
58ft75ft
31 ft

Overall

23586

Females

8089

F45-49

8089

40K→Finish

24.9 - 26.2 mi

Top 40%
17 ft13 ft
14ft18ft
13 ft

Overall

23721

Females

8155

F45-49

8155

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing