Amber Williams

Bib: 17357 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
10:10/mi
31:34
49125
10K· 6.21 mi
10:25/mi
1:03:55
5081
15K· 9.32 mi
10:39/mi
1:37:00
4451
20K· 12.43 mi
11:12/mi
2:11:45
6740
Half· 13.10 mi
13:24/mi
2:20:44
27
25K· 15.53 mi
13:09/mi
2:52:44
5063
30K· 18.64 mi
15:23/mi
3:40:30
6946
35K· 21.75 mi
13:13/mi
4:21:32
8788
40K· 24.85 mi
12:57/mi
5:01:43
5875
Finish· 26.22 mi
12:43/mi
5:19:03
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
2:20:4410:45 /mi⚡ faster
2nd Half
2:58:1913:36 /mi+26.7%
Positive split — 26.7% slower in the second half
AI Race Performance Report

Amber'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
31:3410:103.11 mi31:34
10:10
-
10K
1:03:5510:183.10 mi32:21
10:25
+0:15
15K
1:37:0010:253.11 mi33:05
10:39
+0:14
20K
2:11:4510:373.11 mi34:45
11:12
+0:33
Half(13.10 mi)
2:20:4410:450.67 mi8:59
13:24
+2:12
25K
2:52:4411:082.43 mi32:00
13:09
-0:15
30K
3:40:3011:503.11 mi47:46
15:23
+2:14
35K
4:21:3212:023.11 mi41:02
13:13
-2:10
40K
5:01:4312:093.10 mi40:11
12:57
-0:16
Finish(26.22 mi)
5:19:0312:111.37 mi17:20
12:43
-0:14
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Amber's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:10 /mi

Average Pace

12:11 /mi

Slowest Pace

15:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:11:45

41% of race

Time at Steady Pace

2:19:32

44% of race

Time at Slower Pace

47:46

15% 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 mi404651365813658387221286312863
10K3.10 mi40357+10813596+6213596+62405071373813738
15K3.11 mi39624+73313250+34613250+346387221286312863
20K3.11 mi40529-90513813-56313813-563431131555415554
Half(13.10 mi)0.67 mi41454-92514349-53614349-536517022092320923
25K2.43 mi43051-159715349-100015349-1000481451883918839
30K3.11 mi46023-297217225-187617225-1876537742240222402
35K3.11 mi45392+63117040+18517040+185419721637416374
40K3.10 mi44951+44116947+9316947+93419761665716657
Finish(26.22 mi)1.37 mi44897+5416972-2516972-25447691800618006

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
131 ft55 ft
49ft125ft
117 ft

Overall

38722

Females

12863

F18-39

12863

5K→10K

3.1 - 6.2 mi

Top 68%
55 ft24 ft
50ft81ft
45 ft

Overall

40507

Females

13738

F18-39

13738

10K→15K

6.2 - 9.3 mi

Top 65%
24 ft18 ft
44ft51ft
17 ft

Overall

38722

Females

12863

F18-39

12863

15K→20K

9.3 - 12.4 mi

Top 72%
18 ft45 ft
67ft40ft
38 ft

Overall

43113

Females

15554

F18-39

15554

20K→Half

12.4 - 13.1 mi

Top 86%
45 ft26 ft
8ft27ft
20 ft

Overall

51702

Females

20923

F18-39

20923

Half→25K

13.1 - 15.5 mi

Top 81%
25 ft12 ft
50ft63ft
20 ft

Overall

48145

Females

18839

F18-39

18839

25K→30K

15.5 - 18.6 mi

Top 90%
12 ft35 ft
69ft46ft
28 ft

Overall

53774

Females

22402

F18-39

22402

30K→35K

18.6 - 21.8 mi

Top 70%
35 ft34 ft
87ft88ft
23 ft

Overall

41972

Females

16374

F18-39

16374

35K→40K

21.8 - 24.9 mi

Top 70%
34 ft17 ft
58ft75ft
31 ft

Overall

41976

Females

16657

F18-39

16657

40K→Finish

24.9 - 26.2 mi

Top 75%
17 ft13 ft
14ft18ft
13 ft

Overall

44769

Females

18006

F18-39

18006

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing