Louise Niblett

Bib: 8805 F GB

0:00
0:00
/ mi
Masters
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Overall
#0 / 59786
Gender (Female)
#0 / 26115
Top 45%
Masters (Masters Women)
#0 / 11371
Top 43%
Division (F40-44)
#0 / 3355
Top 50%
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
9:07/mi
28:17
49125
10K· 6.21 mi
9:07/mi
56:34
5081
15K· 9.32 mi
9:27/mi
1:25:54
4451
20K· 12.43 mi
9:21/mi
1:54:55
6740
Half· 13.10 mi
9:54/mi
2:01:33
27
25K· 15.53 mi
11:59/mi
2:30:42
5063
30K· 18.64 mi
11:44/mi
3:07:08
6946
35K· 21.75 mi
12:32/mi
3:46:03
8788
40K· 24.85 mi
12:46/mi
4:25:40
5875
Finish· 26.22 mi
12:22/mi
4:42:31
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
2:01:339:17 /mi⚡ faster
2nd Half
2:40:5812:17 /mi+32.4%
Positive split — 32.4% slower in the second half
AI Race Performance Report

Louise'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
28:179:073.11 mi28:17
9:07
-
10K
56:349:073.10 mi28:17
9:07
0:00
15K
1:25:549:133.11 mi29:20
9:27
+0:20
20K
1:54:559:153.11 mi29:01
9:21
-0:06
Half(13.10 mi)
2:01:339:170.67 mi6:38
9:54
+0:33
25K
2:30:429:432.43 mi29:09
11:59
+2:05
30K
3:07:0810:033.11 mi36:26
11:44
-0:15
35K
3:46:0310:243.11 mi38:55
12:32
+0:48
40K
4:25:4010:423.10 mi39:37
12:46
+0:14
Finish(26.22 mi)
4:42:3110:471.37 mi16:51
12:22
-0:24
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:07 /mi

Average Pace

10:47 /mi

Slowest Pace

12:46 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:01:33

43% of race

Time at Steady Pace

1:22:26

29% of race

Time at Slower Pace

1:18:32

28% of race

Average Pace: 10:46 /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. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi28371822682262716077067706
10K3.10 mi27090+12817740+4867740+4862604073677367
15K3.11 mi27048+427690+507690+502716077067706
20K3.11 mi27150-1027739-497739-492764079567956
Half(13.10 mi)0.67 mi27312-1627811-727811-722961389238923
25K2.43 mi30773-34619294-14839294-1483428691582715827
30K3.11 mi32014-124110026-73210026-732373851341413414
35K3.11 mi33114-110010776-75010776-750380841438814388
40K3.10 mi34185-107111491-71511491-715407471607516075
Finish(26.22 mi)1.37 mi34544-35911708-21711708-217424041680016800

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
131 ft55 ft
49ft125ft
117 ft

Overall

27160

Females

7706

F40-44

7706

5K→10K

3.1 - 6.2 mi

Top 44%
55 ft24 ft
50ft81ft
45 ft

Overall

26040

Females

7367

F40-44

7367

10K→15K

6.2 - 9.3 mi

Top 45%
24 ft18 ft
44ft51ft
17 ft

Overall

27160

Females

7706

F40-44

7706

15K→20K

9.3 - 12.4 mi

Top 46%
18 ft45 ft
67ft40ft
38 ft

Overall

27640

Females

7956

F40-44

7956

20K→Half

12.4 - 13.1 mi

Top 50%
45 ft26 ft
8ft27ft
20 ft

Overall

29613

Females

8923

F40-44

8923

Half→25K

13.1 - 15.5 mi

Top 72%
25 ft12 ft
50ft63ft
20 ft

Overall

42869

Females

15827

F40-44

15827

25K→30K

15.5 - 18.6 mi

Top 63%
12 ft35 ft
69ft46ft
28 ft

Overall

37385

Females

13414

F40-44

13414

30K→35K

18.6 - 21.8 mi

Top 64%
35 ft34 ft
87ft88ft
23 ft

Overall

38084

Females

14388

F40-44

14388

35K→40K

21.8 - 24.9 mi

Top 68%
34 ft17 ft
58ft75ft
31 ft

Overall

40747

Females

16075

F40-44

16075

40K→Finish

24.9 - 26.2 mi

Top 71%
17 ft13 ft
14ft18ft
13 ft

Overall

42404

Females

16800

F40-44

16800

Passing Analysis

Category:
Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#28371
5K10K
2241505+1281
#28371 #27090
10K15K
499541+42
#27090 #27048
15K20K
561459-102
#27048 #27150
20KHalf
22866-162
#27150 #27312
Half25K
350544-3461
#27312 #30773
25K30K
1501260-1241
#30773 #32014
30K35K
1408308-1100
#32014 #33114
35K40K
1294223-1071
#33114 #34185
40KFinish
45495-359
#34185 #34544
TOTALS
96743501-6173
#28371 #34544

Passing Visualized

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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