Amber Isaacson

Bib: 46482 F US

0:00
0:00
/ mi
Masters
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Overall
#0 / 59786
Top 29%
Gender (Female)
#0 / 26115
Top 18%
Masters (Masters Women)
#0 / 11371
Top 16%
Division (F45-49)
#0 / 2995
Top 19%
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
8:15/mi
25:36
49125
10K· 6.21 mi
8:12/mi
51:03
5081
15K· 9.32 mi
8:59/mi
1:18:56
4451
20K· 12.43 mi
8:41/mi
1:45:53
6740
Half· 13.10 mi
8:48/mi
1:51:47
27
25K· 15.53 mi
8:57/mi
2:13:33
5063
30K· 18.64 mi
9:15/mi
2:42:15
6946
35K· 21.75 mi
9:25/mi
3:11:30
8788
40K· 24.85 mi
9:22/mi
3:40:33
5875
Finish· 26.22 mi
9:10/mi
3:53:03
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
1:51:478:33 /mi⚡ faster
2nd Half
2:01:169:15 /mi+8.5%
Positive split — 8.5% slower in the second half
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Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
25:368:153.11 mi25:36
8:15
-
10K
51:038:133.10 mi25:27
8:12
-0:03
15K
1:18:568:293.11 mi27:53
8:59
+0:47
20K
1:45:538:323.11 mi26:57
8:41
-0:18
Half(13.10 mi)
1:51:478:330.67 mi5:54
8:48
+0:07
25K
2:13:338:362.43 mi21:46
8:57
+0:09
30K
2:42:158:433.11 mi28:42
9:15
+0:18
35K
3:11:308:493.11 mi29:15
9:25
+0:10
40K
3:40:338:533.10 mi29:03
9:22
-0:03
Finish(26.22 mi)
3:53:038:541.37 mi12:30
9:10
-0:12
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:12 /mi

Average Pace

8:54 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:13:33

57% of race

Time at Steady Pace

1:39:30

43% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:53 /mi

Loading chart...
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. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi16872415441542113755435543
10K3.10 mi16068+8043909+2453909+2451534336763676
15K3.11 mi17629-15614410-5014410-5012113755435543
20K3.11 mi18053-4244557-1474557-1471977451555155
Half(13.10 mi)0.67 mi18046+74564-74564-71854747754775
25K2.43 mi18293-2474682-1184682-1181997253645364
30K3.11 mi18364-714770-884770-881955754555455
35K3.11 mi18022+3424764+64764+61768551645164
40K3.10 mi17562+4604755+94755+91626350835083
Finish(26.22 mi)1.37 mi17374+1884749+64749+61635251845184

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
131 ft55 ft
49ft125ft
117 ft

Overall

21137

Females

5543

F45-49

5543

5K→10K

3.1 - 6.2 mi

Top 26%
55 ft24 ft
50ft81ft
45 ft

Overall

15343

Females

3676

F45-49

3676

10K→15K

6.2 - 9.3 mi

Top 35%
24 ft18 ft
44ft51ft
17 ft

Overall

21137

Females

5543

F45-49

5543

15K→20K

9.3 - 12.4 mi

Top 33%
18 ft45 ft
67ft40ft
38 ft

Overall

19774

Females

5155

F45-49

5155

20K→Half

12.4 - 13.1 mi

Top 31%
45 ft26 ft
8ft27ft
20 ft

Overall

18547

Females

4775

F45-49

4775

Half→25K

13.1 - 15.5 mi

Top 33%
25 ft12 ft
50ft63ft
20 ft

Overall

19972

Females

5364

F45-49

5364

25K→30K

15.5 - 18.6 mi

Top 33%
12 ft35 ft
69ft46ft
28 ft

Overall

19557

Females

5455

F45-49

5455

30K→35K

18.6 - 21.8 mi

Top 30%
35 ft34 ft
87ft88ft
23 ft

Overall

17685

Females

5164

F45-49

5164

35K→40K

21.8 - 24.9 mi

Top 27%
34 ft17 ft
58ft75ft
31 ft

Overall

16263

Females

5083

F45-49

5083

40K→Finish

24.9 - 26.2 mi

Top 27%
17 ft13 ft
14ft18ft
13 ft

Overall

16352

Females

5184

F45-49

5184

Passing Analysis

Category:
Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#16872
5K10K
122926+804
#16872 #16068
10K15K
161554-1561
#16068 #17629
15K20K
576152-424
#17629 #18053
20KHalf
6269+7
#18053 #18046
Half25K
441194-247
#18046 #18293
25K30K
472401-71
#18293 #18364
30K35K
254596+342
#18364 #18022
35K40K
214674+460
#18022 #17562
40KFinish
72260+188
#17562 #17374
TOTALS
38283326-502
#16872 #17374

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