Isobel Riley

Bib: 26436 F GB

0:00
0:00
/ mi
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Overall
#0 / 59786
Top 42%
Gender (Female)
#0 / 26115
Top 30%
Division (F18-39)
#0 / 14744
Top 31%
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
9:26/mi
29:18
49125
10K· 6.21 mi
9:31/mi
58:49
5081
15K· 9.32 mi
9:44/mi
1:29:03
4451
20K· 12.43 mi
9:33/mi
1:58:41
6740
Half· 13.10 mi
9:40/mi
2:05:10
27
25K· 15.53 mi
9:31/mi
2:28:20
5063
30K· 18.64 mi
9:38/mi
2:58:15
6946
35K· 21.75 mi
10:01/mi
3:29:20
8788
40K· 24.85 mi
10:25/mi
4:01:41
5875
Finish· 26.22 mi
9:51/mi
4:15:06
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
2:05:109:34 /mi⚡ faster
2nd Half
2:09:569:55 /mi+3.8%
Positive split — 3.8% slower in the second half
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Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
29:189:263.11 mi29:18
9:26
-
10K
58:499:283.10 mi29:31
9:31
+0:05
15K
1:29:039:343.11 mi30:14
9:44
+0:13
20K
1:58:419:343.11 mi29:38
9:33
-0:11
Half(13.10 mi)
2:05:109:340.67 mi6:29
9:40
+0:07
25K
2:28:209:332.43 mi23:10
9:31
-0:09
30K
2:58:159:343.11 mi29:55
9:38
+0:07
35K
3:29:209:383.11 mi31:05
10:01
+0:23
40K
4:01:419:443.10 mi32:21
10:25
+0:24
Finish(26.22 mi)
4:15:069:451.37 mi13:25
9:51
-0:34
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:26 /mi

Average Pace

9:44 /mi

Slowest Pace

10:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:42:45

87% of race

Time at Steady Pace

32:21

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:44 /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. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi32544983198313032489528952
10K3.10 mi31932+6129587+2449587+2443149594409440
15K3.11 mi31301+6319343+2449343+2443032489528952
20K3.11 mi30619+6829109+2349109+2342942086788678
Half(13.10 mi)0.67 mi30417+2029037+729037+722769281068106
25K2.43 mi29311+11068684+3538684+3532560574317431
30K3.11 mi27606+17058162+5228162+5222288567096709
35K3.11 mi26190+14167811+3517811+3512186768026802
40K3.10 mi25557+6337790+217790+212373181498149
Finish(26.22 mi)1.37 mi25218+3397713+777713+772172672957295

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
131 ft55 ft
49ft125ft
117 ft

Overall

30324

Females

8952

F18-39

8952

5K→10K

3.1 - 6.2 mi

Top 53%
55 ft24 ft
50ft81ft
45 ft

Overall

31495

Females

9440

F18-39

9440

10K→15K

6.2 - 9.3 mi

Top 51%
24 ft18 ft
44ft51ft
17 ft

Overall

30324

Females

8952

F18-39

8952

15K→20K

9.3 - 12.4 mi

Top 49%
18 ft45 ft
67ft40ft
38 ft

Overall

29420

Females

8678

F18-39

8678

20K→Half

12.4 - 13.1 mi

Top 46%
45 ft26 ft
8ft27ft
20 ft

Overall

27692

Females

8106

F18-39

8106

Half→25K

13.1 - 15.5 mi

Top 43%
25 ft12 ft
50ft63ft
20 ft

Overall

25605

Females

7431

F18-39

7431

25K→30K

15.5 - 18.6 mi

Top 38%
12 ft35 ft
69ft46ft
28 ft

Overall

22885

Females

6709

F18-39

6709

30K→35K

18.6 - 21.8 mi

Top 37%
35 ft34 ft
87ft88ft
23 ft

Overall

21867

Females

6802

F18-39

6802

35K→40K

21.8 - 24.9 mi

Top 40%
34 ft17 ft
58ft75ft
31 ft

Overall

23731

Females

8149

F18-39

8149

40K→Finish

24.9 - 26.2 mi

Top 36%
17 ft13 ft
14ft18ft
13 ft

Overall

21726

Females

7295

F18-39

7295

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#32544
5K10K
200812*+612
#32544 #31932
10K15K
200831*+631
#31932 #31301
15K20K
151833*+682
#31301 #30619
20KHalf
21223*+202
#30619 #30417
Half25K
211127*+1106
#30417 #29311
25K30K
201725+1705
#29311 #27606
30K35K
541470*+1416
#27606 #26190
35K40K
186819*+633
#26190 #25557
40KFinish
45384*+339
#25557 #25218
TOTALS
8988224*+7326
#32544 #25218

* Includes athletes who did not complete a segment (DNF/DNQ).

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

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London Marathon Events

Mika Timing

Mika Timing