Jouyu Chen

Bib: 15988 F TW

0:00
0:00
/ mi
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Overall
#0 / 59786
Gender (Female)
#0 / 26115
Division (F18-39)
#0 / 14744
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
12:04/mi
37:29
49125
10K· 6.21 mi
14:03/mi
1:21:05
5081
15K· 9.32 mi
15:51/mi
2:10:18
4451
20K· 12.43 mi
14:49/mi
2:56:18
6740
Half· 13.10 mi
14:40/mi
3:06:08
27
25K· 15.53 mi
16:02/mi
3:45:10
5063
30K· 18.64 mi
21:35/mi
4:52:13
6946
35K· 21.75 mi
23:16/mi
6:04:30
8788
40K· 24.85 mi
23:09/mi
7:16:25
5875
Finish· 26.22 mi
21:40/mi
7:45:58
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
3:06:0814:13 /mi⚡ faster
2nd Half
4:39:5021:20 /mi+50.3%
Positive split — 50.3% slower in the second half
AI Race Performance Report

Jouyu'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
37:2912:043.11 mi37:29
12:04
-
10K
1:21:0513:033.10 mi43:36
14:03
+1:59
15K
2:10:1813:593.11 mi49:13
15:51
+1:48
20K
2:56:1814:123.11 mi46:00
14:49
-1:02
Half(13.10 mi)
3:06:0814:130.67 mi9:50
14:40
-0:09
25K
3:45:1014:302.43 mi39:02
16:02
+1:22
30K
4:52:1315:413.11 mi1:07:03
21:35
+5:33
35K
6:04:3016:463.11 mi1:12:17
23:16
+1:41
40K
7:16:2517:343.10 mi1:11:55
23:09
-0:07
Finish(26.22 mi)
7:45:5817:481.37 mi29:33
21:40
-1:29
Trend:
Faster pace
Steady pace
Slower pace
More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

12:04 /mi

Average Pace

17:47 /mi

Slowest Pace

23:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

37:29

8% of race

Time at Steady Pace

3:07:41

40% of race

Time at Slower Pace

4:00:48

52% of race

Average Pace: 17:46 /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 mi543272212722127584102511225112
10K3.10 mi56420-209323624-149723624-1497574112437424374
15K3.11 mi57423-100324360-73624360-736584102511225112
20K3.11 mi57217+20624229+13124229+131564862382223822
Half(13.10 mi)0.67 mi57148+6924196+3324196+33553032322823228
25K2.43 mi57010+13824109+8724109+87560032359123591
30K3.11 mi58189-117924936-82724936-827595352595825958
35K3.11 mi58855-66625436-50025436-500596152601826018
40K3.10 mi59192-33725681-24525681-245596022600726007
Finish(26.22 mi)1.37 mi59263-7125738-5725738-57594782593425934

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
131 ft55 ft
49ft125ft
117 ft

Overall

58410

Females

25112

F18-39

25112

5K→10K

3.1 - 6.2 mi

Top 96%
55 ft24 ft
50ft81ft
45 ft

Overall

57411

Females

24374

F18-39

24374

10K→15K

6.2 - 9.3 mi

Top 98%
24 ft18 ft
44ft51ft
17 ft

Overall

58410

Females

25112

F18-39

25112

15K→20K

9.3 - 12.4 mi

Top 94%
18 ft45 ft
67ft40ft
38 ft

Overall

56486

Females

23822

F18-39

23822

20K→Half

12.4 - 13.1 mi

Top 93%
45 ft26 ft
8ft27ft
20 ft

Overall

55303

Females

23228

F18-39

23228

Half→25K

13.1 - 15.5 mi

Top 94%
25 ft12 ft
50ft63ft
20 ft

Overall

56003

Females

23591

F18-39

23591

25K→30K

15.5 - 18.6 mi

Top 100%
12 ft35 ft
69ft46ft
28 ft

Overall

59535

Females

25958

F18-39

25958

30K→35K

18.6 - 21.8 mi

Top 100%
35 ft34 ft
87ft88ft
23 ft

Overall

59615

Females

26018

F18-39

26018

35K→40K

21.8 - 24.9 mi

Top 100%
34 ft17 ft
58ft75ft
31 ft

Overall

59602

Females

26007

F18-39

26007

40K→Finish

24.9 - 26.2 mi

Top 99%
17 ft13 ft
14ft18ft
13 ft

Overall

59478

Females

25934

F18-39

25934

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

London Marathon Events

London Marathon Events

Mika Timing

Mika Timing