Lucy Roberts-West

Bib: 56026 F GB

0:00
0:00
/ mi
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Overall
#0 / 59786
Gender (Female)
#0 / 26115
Top 49%
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
9:48/mi
30:24
49125
10K· 6.21 mi
9:53/mi
1:01:04
5081
15K· 9.32 mi
10:29/mi
1:33:36
4451
20K· 12.43 mi
10:37/mi
2:06:35
6740
Half· 13.10 mi
11:27/mi
2:14:16
27
25K· 15.53 mi
10:58/mi
2:40:57
5063
30K· 18.64 mi
12:38/mi
3:20:09
6946
35K· 21.75 mi
12:06/mi
3:57:42
8788
40K· 24.85 mi
11:56/mi
4:34:44
5875
Finish· 26.22 mi
10:35/mi
4:49:09
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
2:14:1610:16 /mi⚡ faster
2nd Half
2:34:5311:49 /mi+15.4%
Positive split — 15.4% slower in the second half
AI Race Performance Report

Lucy'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
30:249:483.11 mi30:24
9:48
-
10K
1:01:049:503.10 mi30:40
9:53
+0:05
15K
1:33:3610:033.11 mi32:32
10:29
+0:36
20K
2:06:3510:123.11 mi32:59
10:37
+0:08
Half(13.10 mi)
2:14:1610:160.67 mi7:41
11:27
+0:50
25K
2:40:5710:222.43 mi26:41
10:58
-0:29
30K
3:20:0910:453.11 mi39:12
12:38
+1:40
35K
3:57:4210:563.11 mi37:33
12:06
-0:32
40K
4:34:4411:043.10 mi37:02
11:56
-0:10
Finish(26.22 mi)
4:49:0911:031.37 mi14:25
10:35
-1:21
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Lucy's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:48 /mi

Average Pace

11:02 /mi

Slowest Pace

12:38 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:33:36

32% of race

Time at Steady Pace

1:14:05

26% of race

Time at Slower Pace

2:01:28

42% of race

Average Pace: 11:02 /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 mi364471162611626371081207112071
10K3.10 mi35682+76511253+37311253+373352481109411094
15K3.11 mi36065-38311461-20811461-208371081207112071
20K3.11 mi36715-65011884-42311884-423388141320413204
Half(13.10 mi)0.67 mi37024-30912068-18412068-184423551535615356
25K2.43 mi36907+11712140-7212140-72367081258312583
30K3.11 mi38102-119512913-77312913-773424691603516035
35K3.11 mi37641+46112906+712906+7353671307113071
40K3.10 mi37240+40112911-512911-5349261332613326
Finish(26.22 mi)1.37 mi36679+56112706+20512706+205278551000210002

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
131 ft55 ft
49ft125ft
117 ft

Overall

37108

Females

12071

F18-39

12071

5K→10K

3.1 - 6.2 mi

Top 59%
55 ft24 ft
50ft81ft
45 ft

Overall

35248

Females

11094

F18-39

11094

10K→15K

6.2 - 9.3 mi

Top 62%
24 ft18 ft
44ft51ft
17 ft

Overall

37108

Females

12071

F18-39

12071

15K→20K

9.3 - 12.4 mi

Top 65%
18 ft45 ft
67ft40ft
38 ft

Overall

38814

Females

13204

F18-39

13204

20K→Half

12.4 - 13.1 mi

Top 71%
45 ft26 ft
8ft27ft
20 ft

Overall

42355

Females

15356

F18-39

15356

Half→25K

13.1 - 15.5 mi

Top 61%
25 ft12 ft
50ft63ft
20 ft

Overall

36708

Females

12583

F18-39

12583

25K→30K

15.5 - 18.6 mi

Top 71%
12 ft35 ft
69ft46ft
28 ft

Overall

42469

Females

16035

F18-39

16035

30K→35K

18.6 - 21.8 mi

Top 59%
35 ft34 ft
87ft88ft
23 ft

Overall

35367

Females

13071

F18-39

13071

35K→40K

21.8 - 24.9 mi

Top 58%
34 ft17 ft
58ft75ft
31 ft

Overall

34926

Females

13326

F18-39

13326

40K→Finish

24.9 - 26.2 mi

Top 47%
17 ft13 ft
14ft18ft
13 ft

Overall

27855

Females

10002

F18-39

10002

Passing Analysis

Category:
Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#36447
5K10K
3571122+765
#36447 #35682
10K15K
760377-383
#35682 #36065
15K20K
969319-650
#36065 #36715
20KHalf
36354-309
#36715 #37024
Half25K
415532+117
#37024 #36907
25K30K
1457262-1195
#36907 #38102
30K35K
336797+461
#38102 #37641
35K40K
250651+401
#37641 #37240
40KFinish
20581+561
#37240 #36679
TOTALS
49274695-232
#36447 #36679

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