Madison Keefer

Bib: 43912 F US

0:00
0:00
/ mi
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Overall
#0 / 59786
Top 17%
Gender (Female)
#0 / 26115
Top 9%
Division (F18-39)
#0 / 14744
Top 10%
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
8:11/mi
25:24
49125
10K· 6.21 mi
8:03/mi
50:24
5081
15K· 9.32 mi
8:11/mi
1:15:48
4451
20K· 12.43 mi
8:00/mi
1:40:38
6740
Half· 13.10 mi
8:05/mi
1:46:03
27
25K· 15.53 mi
8:07/mi
2:05:49
5063
30K· 18.64 mi
7:47/mi
2:29:58
6946
35K· 21.75 mi
7:57/mi
2:54:39
8788
40K· 24.85 mi
8:09/mi
3:19:58
5875
Finish· 26.22 mi
8:23/mi
3:31:24
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
1:46:038:06 /mi⚖️ balanced
2nd Half
1:45:218:02 /mi⚖️ balanced
Even split — consistent pacing between halves
AI Race Performance Report

Madison'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
25:248:113.11 mi25:24
8:11
-
10K
50:248:073.10 mi25:00
8:03
-0:08
15K
1:15:488:083.11 mi25:24
8:11
+0:08
20K
1:40:388:063.11 mi24:50
8:00
-0:11
Half(13.10 mi)
1:46:038:060.67 mi5:25
8:05
+0:05
25K
2:05:498:062.43 mi19:46
8:07
+0:02
30K
2:29:588:033.11 mi24:09
7:47
-0:20
35K
2:54:398:023.11 mi24:41
7:57
+0:10
40K
3:19:588:033.10 mi25:19
8:09
+0:12
Finish(26.22 mi)
3:31:248:051.37 mi11:26
8:23
+0:14
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Madison's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

7:47 /mi

Average Pace

8:04 /mi

Slowest Pace

8:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:29:10

71% of race

Time at Steady Pace

1:02:14

29% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:04 /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 mi16170390939091295428642864
10K3.10 mi14868+13023532+3773532+3771355231163116
15K3.11 mi14174+6943289+2433289+2431295428642864
20K3.11 mi13796+3783171+1183171+1181300528972897
Half(13.10 mi)0.67 mi13648+1483124+473124+471156024402440
25K2.43 mi13310+3383025+993025+991245327982798
30K3.11 mi11934+13762637+3882637+388760213181318
35K3.11 mi10854+10802355+2822355+282726814161416
40K3.10 mi10231+6232237+1182237+118789218141814
Finish(26.22 mi)1.37 mi10163+682245-82245-81021227632763

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
131 ft55 ft
49ft125ft
117 ft

Overall

12954

Females

2864

F18-39

2864

5K→10K

3.1 - 6.2 mi

Top 23%
55 ft24 ft
50ft81ft
45 ft

Overall

13552

Females

3116

F18-39

3116

10K→15K

6.2 - 9.3 mi

Top 22%
24 ft18 ft
44ft51ft
17 ft

Overall

12954

Females

2864

F18-39

2864

15K→20K

9.3 - 12.4 mi

Top 22%
18 ft45 ft
67ft40ft
38 ft

Overall

13005

Females

2897

F18-39

2897

20K→Half

12.4 - 13.1 mi

Top 19%
45 ft26 ft
8ft27ft
20 ft

Overall

11560

Females

2440

F18-39

2440

Half→25K

13.1 - 15.5 mi

Top 21%
25 ft12 ft
50ft63ft
20 ft

Overall

12453

Females

2798

F18-39

2798

25K→30K

15.5 - 18.6 mi

Top 13%
12 ft35 ft
69ft46ft
28 ft

Overall

7602

Females

1318

F18-39

1318

30K→35K

18.6 - 21.8 mi

Top 12%
35 ft34 ft
87ft88ft
23 ft

Overall

7268

Females

1416

F18-39

1416

35K→40K

21.8 - 24.9 mi

Top 13%
34 ft17 ft
58ft75ft
31 ft

Overall

7892

Females

1814

F18-39

1814

40K→Finish

24.9 - 26.2 mi

Top 17%
17 ft13 ft
14ft18ft
13 ft

Overall

10212

Females

2763

F18-39

2763

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing