Erin Jeffery

Bib: 38688 F GB

0:00
0:00
/ mi
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Overall
#0 / 59786
Top 9%
Gender (Female)
#0 / 26115
Top 3%
Division (F18-39)
#0 / 14744
Top 4%
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
7:16/mi
22:32
49125
10K· 6.21 mi
7:22/mi
45:24
5081
15K· 9.32 mi
7:22/mi
1:08:17
4451
20K· 12.43 mi
7:11/mi
1:30:36
6740
Half· 13.10 mi
7:26/mi
1:35:35
27
25K· 15.53 mi
7:18/mi
1:53:20
5063
30K· 18.64 mi
7:30/mi
2:16:36
6946
35K· 21.75 mi
7:35/mi
2:40:08
8788
40K· 24.85 mi
7:40/mi
3:03:57
5875
Finish· 26.22 mi
7:25/mi
3:14:03
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
1:35:357:18 /mi⚡ faster
2nd Half
1:38:287:31 /mi+3.0%
Positive split — 3.0% slower in the second half
AI Race Performance Report

Erin'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
22:327:163.11 mi22:32
7:16
-
10K
45:247:193.10 mi22:52
7:22
+0:06
15K
1:08:177:203.11 mi22:53
7:22
0:00
20K
1:30:367:183.11 mi22:19
7:11
-0:11
Half(13.10 mi)
1:35:357:180.67 mi4:59
7:26
+0:15
25K
1:53:207:182.43 mi17:45
7:18
-0:08
30K
2:16:367:203.11 mi23:16
7:30
+0:12
35K
2:40:087:223.11 mi23:32
7:35
+0:05
40K
3:03:577:253.10 mi23:49
7:40
+0:05
Finish(26.22 mi)
3:14:037:251.37 mi10:06
7:25
-0:15
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Erin's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

7:11 /mi

Average Pace

7:24 /mi

Slowest Pace

7:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:26:42

76% of race

Time at Steady Pace

47:21

24% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:24 /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 mi7237103110316426813813
10K3.10 mi7289-521054-231054-23740710821082
15K3.11 mi6952+337952+102952+1026426813813
20K3.11 mi6779+173914+38914+386266767767
Half(13.10 mi)0.67 mi6749+30906+8906+86532855855
25K2.43 mi6591+158883+23883+236074781781
30K3.11 mi6372+219844+39844+395899804804
35K3.11 mi6085+287797+47797+475344796796
40K3.10 mi5809+276803-6803-65294924924
Finish(26.22 mi)1.37 mi5666+143784+19784+194442708708

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
131 ft55 ft
49ft125ft
117 ft

Overall

6426

Females

813

F18-39

813

5K→10K

3.1 - 6.2 mi

Top 12%
55 ft24 ft
50ft81ft
45 ft

Overall

7407

Females

1082

F18-39

1082

10K→15K

6.2 - 9.3 mi

Top 11%
24 ft18 ft
44ft51ft
17 ft

Overall

6426

Females

813

F18-39

813

15K→20K

9.3 - 12.4 mi

Top 10%
18 ft45 ft
67ft40ft
38 ft

Overall

6266

Females

767

F18-39

767

20K→Half

12.4 - 13.1 mi

Top 11%
45 ft26 ft
8ft27ft
20 ft

Overall

6532

Females

855

F18-39

855

Half→25K

13.1 - 15.5 mi

Top 10%
25 ft12 ft
50ft63ft
20 ft

Overall

6074

Females

781

F18-39

781

25K→30K

15.5 - 18.6 mi

Top 10%
12 ft35 ft
69ft46ft
28 ft

Overall

5899

Females

804

F18-39

804

30K→35K

18.6 - 21.8 mi

Top 9%
35 ft34 ft
87ft88ft
23 ft

Overall

5344

Females

796

F18-39

796

35K→40K

21.8 - 24.9 mi

Top 9%
34 ft17 ft
58ft75ft
31 ft

Overall

5294

Females

924

F18-39

924

40K→Finish

24.9 - 26.2 mi

Top 7%
17 ft13 ft
14ft18ft
13 ft

Overall

4442

Females

708

F18-39

708

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing