Isobel Ovenden

Bib: 25443 F GB

0:00
0:00
/ mi
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Overall
#0 / 59786
Top 40%
Gender (Female)
#0 / 26115
Top 27%
Division (F18-39)
#0 / 14744
Top 29%
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
9:11/mi
28:31
49125
10K· 6.21 mi
9:16/mi
57:18
5081
15K· 9.32 mi
9:27/mi
1:26:39
4451
20K· 12.43 mi
9:19/mi
1:55:35
6740
Half· 13.10 mi
9:39/mi
2:02:03
27
25K· 15.53 mi
9:27/mi
2:25:04
5063
30K· 18.64 mi
9:53/mi
2:55:45
6946
35K· 21.75 mi
10:01/mi
3:26:52
8788
40K· 24.85 mi
9:59/mi
3:57:53
5875
Finish· 26.22 mi
9:32/mi
4:10:53
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
2:02:039:20 /mi⚡ faster
2nd Half
2:08:509:50 /mi+5.6%
Positive split — 5.6% slower in the second half
AI Race Performance Report

Isobel'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
28:319:113.11 mi28:31
9:11
-
10K
57:189:143.10 mi28:47
9:16
+0:05
15K
1:26:399:183.11 mi29:21
9:27
+0:11
20K
1:55:359:193.11 mi28:56
9:19
-0:08
Half(13.10 mi)
2:02:039:200.67 mi6:28
9:39
+0:20
25K
2:25:049:212.43 mi23:01
9:27
-0:12
30K
2:55:459:263.11 mi30:41
9:53
+0:26
35K
3:26:529:313.11 mi31:07
10:01
+0:08
40K
3:57:539:353.10 mi31:01
9:59
-0:02
Finish(26.22 mi)
4:10:539:351.37 mi13:00
9:32
-0:27
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Isobel's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

9:11 /mi

Average Pace

9:35 /mi

Slowest Pace

10:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:31:36

60% of race

Time at Steady Pace

1:39:17

40% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:34 /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 mi29401861886182721977247724
10K3.10 mi28868+5338427+1918427+1912849282428242
15K3.11 mi28164+7048113+3148113+3142721977247724
20K3.11 mi27801+3637980+1337980+1332735278387838
Half(13.10 mi)0.67 mi27746+557987-77987-72745179927992
25K2.43 mi27080+6667777+2107777+2102511172337233
30K3.11 mi26329+7517622+1557622+1552463674277427
35K3.11 mi25174+11557392+2307392+2302194068386838
40K3.10 mi24210+9647247+1457247+1452078468596859
Finish(26.22 mi)1.37 mi23813+3977180+677180+671931463086308

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
131 ft55 ft
49ft125ft
117 ft

Overall

27219

Females

7724

F18-39

7724

5K→10K

3.1 - 6.2 mi

Top 48%
55 ft24 ft
50ft81ft
45 ft

Overall

28492

Females

8242

F18-39

8242

10K→15K

6.2 - 9.3 mi

Top 46%
24 ft18 ft
44ft51ft
17 ft

Overall

27219

Females

7724

F18-39

7724

15K→20K

9.3 - 12.4 mi

Top 46%
18 ft45 ft
67ft40ft
38 ft

Overall

27352

Females

7838

F18-39

7838

20K→Half

12.4 - 13.1 mi

Top 46%
45 ft26 ft
8ft27ft
20 ft

Overall

27451

Females

7992

F18-39

7992

Half→25K

13.1 - 15.5 mi

Top 42%
25 ft12 ft
50ft63ft
20 ft

Overall

25111

Females

7233

F18-39

7233

25K→30K

15.5 - 18.6 mi

Top 41%
12 ft35 ft
69ft46ft
28 ft

Overall

24636

Females

7427

F18-39

7427

30K→35K

18.6 - 21.8 mi

Top 37%
35 ft34 ft
87ft88ft
23 ft

Overall

21940

Females

6838

F18-39

6838

35K→40K

21.8 - 24.9 mi

Top 35%
34 ft17 ft
58ft75ft
31 ft

Overall

20784

Females

6859

F18-39

6859

40K→Finish

24.9 - 26.2 mi

Top 32%
17 ft13 ft
14ft18ft
13 ft

Overall

19314

Females

6308

F18-39

6308

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing