Julia Caulfield

Bib: 56283 F IE

0:00
0:00
/ mi
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Overall
#0 / 59786
Top 43%
Gender (Female)
#0 / 26115
Top 30%
Division (F18-39)
#0 / 14744
Top 32%
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
8:58/mi
27:50
49125
10K· 6.21 mi
9:05/mi
56:02
5081
15K· 9.32 mi
9:29/mi
1:25:28
4451
20K· 12.43 mi
9:25/mi
1:54:43
6740
Half· 13.10 mi
9:45/mi
2:01:15
27
25K· 15.53 mi
9:38/mi
2:24:42
5063
30K· 18.64 mi
10:18/mi
2:56:42
6946
35K· 21.75 mi
10:30/mi
3:29:17
8788
40K· 24.85 mi
10:48/mi
4:02:50
5875
Finish· 26.22 mi
9:40/mi
4:16:00
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
2:01:159:16 /mi⚡ faster
2nd Half
2:14:4510:17 /mi+11.1%
Positive split — 11.1% slower in the second half
AI Race Performance Report

Julia'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
27:508:583.11 mi27:50
8:58
-
10K
56:029:023.10 mi28:12
9:05
+0:07
15K
1:25:289:113.11 mi29:26
9:29
+0:24
20K
1:54:439:143.11 mi29:15
9:25
-0:04
Half(13.10 mi)
2:01:159:160.67 mi6:32
9:45
+0:20
25K
2:24:429:192.43 mi23:27
9:38
-0:07
30K
2:56:429:293.11 mi32:00
10:18
+0:40
35K
3:29:179:383.11 mi32:35
10:30
+0:12
40K
4:02:509:473.10 mi33:33
10:48
+0:18
Finish(26.22 mi)
4:16:009:471.37 mi13:10
9:40
-1:08
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Julia's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

8:58 /mi

Average Pace

9:46 /mi

Slowest Pace

10:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

56:02

22% of race

Time at Steady Pace

1:41:50

40% of race

Time at Slower Pace

1:38:08

38% of race

Average Pace: 9:46 /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 mi26112741074102749078467846
10K3.10 mi25763+3497247+1637247+1632558572017201
15K3.11 mi26348-5857442-1957442-1952749078467846
20K3.11 mi26929-5817652-2107652-2102832882308230
Half(13.10 mi)0.67 mi27015-867696-447696-442814783158315
25K2.43 mi26777+2387655+417655+412650778057805
30K3.11 mi26805-287813-1587813-1582767586948694
35K3.11 mi26167+6387800+137800+132496981768176
40K3.10 mi25952+2157951-1517951-1512648593879387
Finish(26.22 mi)1.37 mi25530+4227848+1037848+1032021266766676

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
131 ft55 ft
49ft125ft
117 ft

Overall

27490

Females

7846

F18-39

7846

5K→10K

3.1 - 6.2 mi

Top 43%
55 ft24 ft
50ft81ft
45 ft

Overall

25585

Females

7201

F18-39

7201

10K→15K

6.2 - 9.3 mi

Top 46%
24 ft18 ft
44ft51ft
17 ft

Overall

27490

Females

7846

F18-39

7846

15K→20K

9.3 - 12.4 mi

Top 47%
18 ft45 ft
67ft40ft
38 ft

Overall

28328

Females

8230

F18-39

8230

20K→Half

12.4 - 13.1 mi

Top 47%
45 ft26 ft
8ft27ft
20 ft

Overall

28147

Females

8315

F18-39

8315

Half→25K

13.1 - 15.5 mi

Top 44%
25 ft12 ft
50ft63ft
20 ft

Overall

26507

Females

7805

F18-39

7805

25K→30K

15.5 - 18.6 mi

Top 46%
12 ft35 ft
69ft46ft
28 ft

Overall

27675

Females

8694

F18-39

8694

30K→35K

18.6 - 21.8 mi

Top 42%
35 ft34 ft
87ft88ft
23 ft

Overall

24969

Females

8176

F18-39

8176

35K→40K

21.8 - 24.9 mi

Top 44%
34 ft17 ft
58ft75ft
31 ft

Overall

26485

Females

9387

F18-39

9387

40K→Finish

24.9 - 26.2 mi

Top 34%
17 ft13 ft
14ft18ft
13 ft

Overall

20212

Females

6676

F18-39

6676

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing