Jessica Glaser

Bib: 16133 F US

0:00
0:00
/ mi
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Overall
#0 / 59786
Top 34%
Gender (Female)
#0 / 26115
Top 22%
Division (F18-39)
#0 / 14744
Top 24%
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
8:54/mi
27:36
49125
10K· 6.21 mi
9:09/mi
55:59
5081
15K· 9.32 mi
9:22/mi
1:25:05
4451
20K· 12.43 mi
9:19/mi
1:53:59
6740
Half· 13.10 mi
9:12/mi
2:00:09
27
25K· 15.53 mi
9:18/mi
2:22:46
5063
30K· 18.64 mi
9:22/mi
2:51:51
6946
35K· 21.75 mi
9:21/mi
3:20:51
8788
40K· 24.85 mi
8:53/mi
3:48:25
5875
Finish· 26.22 mi
8:34/mi
4:00:06
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
2:00:099:11 /mi⚖️ balanced
2nd Half
1:59:579:09 /mi⚖️ balanced
Even split — consistent pacing between halves
AI Race Performance Report

Jessica'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
27:368:543.11 mi27:36
8:54
-
10K
55:599:013.10 mi28:23
9:09
+0:15
15K
1:25:059:083.11 mi29:06
9:22
+0:13
20K
1:53:599:113.11 mi28:54
9:19
-0:03
Half(13.10 mi)
2:00:099:110.67 mi6:10
9:12
-0:07
25K
2:22:469:122.43 mi22:37
9:18
+0:06
30K
2:51:519:143.11 mi29:05
9:22
+0:04
35K
3:20:519:153.11 mi29:00
9:21
-0:01
40K
3:48:259:123.10 mi27:34
8:53
-0:28
Finish(26.22 mi)
4:00:069:101.37 mi11:41
8:34
-0:19
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Jessica's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:34 /mi

Average Pace

9:10 /mi

Slowest Pace

9:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:06:51

28% of race

Time at Steady Pace

2:53:15

72% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:09 /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 mi25083698169812619173217321
10K3.10 mi25678-5957213-2327213-2322652675287528
15K3.11 mi25737-597215-27215-22619173217321
20K3.11 mi26153-4167361-1467361-1462724177947794
Half(13.10 mi)0.67 mi25868+2857270+917270+912287662806280
25K2.43 mi25299+5697094+1767094+1762367567066706
30K3.11 mi24074+12256786+3086786+3082073158865886
35K3.11 mi22526+15486432+3546432+3541703649264926
40K3.10 mi20865+16615982+4505982+4501256936293629
Finish(26.22 mi)1.37 mi20370+4955843+1395843+1391150233083308

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
131 ft55 ft
49ft125ft
117 ft

Overall

26191

Females

7321

F18-39

7321

5K→10K

3.1 - 6.2 mi

Top 44%
55 ft24 ft
50ft81ft
45 ft

Overall

26526

Females

7528

F18-39

7528

10K→15K

6.2 - 9.3 mi

Top 44%
24 ft18 ft
44ft51ft
17 ft

Overall

26191

Females

7321

F18-39

7321

15K→20K

9.3 - 12.4 mi

Top 46%
18 ft45 ft
67ft40ft
38 ft

Overall

27241

Females

7794

F18-39

7794

20K→Half

12.4 - 13.1 mi

Top 38%
45 ft26 ft
8ft27ft
20 ft

Overall

22876

Females

6280

F18-39

6280

Half→25K

13.1 - 15.5 mi

Top 40%
25 ft12 ft
50ft63ft
20 ft

Overall

23675

Females

6706

F18-39

6706

25K→30K

15.5 - 18.6 mi

Top 35%
12 ft35 ft
69ft46ft
28 ft

Overall

20731

Females

5886

F18-39

5886

30K→35K

18.6 - 21.8 mi

Top 28%
35 ft34 ft
87ft88ft
23 ft

Overall

17036

Females

4926

F18-39

4926

35K→40K

21.8 - 24.9 mi

Top 21%
34 ft17 ft
58ft75ft
31 ft

Overall

12569

Females

3629

F18-39

3629

40K→Finish

24.9 - 26.2 mi

Top 19%
17 ft13 ft
14ft18ft
13 ft

Overall

11502

Females

3308

F18-39

3308

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing