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BOSTON MARATHON 2024

Wang Jiacheng

Bib: 3818•M

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 33%
Gender (Male)
#0 / 14578
Top 44%
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:51
Rank: #4935
Start → 5K
20:51 | 6:43/mi
10K· 6.21 mi
41:53
Rank: #4901 (+34)
5K → 10K
21:02 | 6:46/mi
15K· 9.32 mi
1:02:59
Rank: #4801 (+100)
10K → 15K
21:06 | 6:47/mi
20K· 12.43 mi
1:24:53
Rank: #5017 (-216)
15K → 20K
21:54 | 7:03/mi
Half· 13.11 mi
1:29:40
Rank: #5081 (-64)
20K → Half
4:47 | 7:01/mi
25K· 15.53 mi
1:48:22
Rank: #5584 (-503)
Half → 25K
18:42 | 7:43/mi
30K· 18.64 mi
2:13:36
Rank: #5969 (-385)
25K → 30K
25:14 | 8:07/mi
20M
2:24:20
Rank: #5921 (+48)
30K → 20M
10:44 | 7:54/mi
21M
2:34:02
Rank: #6173 (-252)
20M → 21M
9:42 | 9:42/mi
35K· 21.75 mi
2:40:37
Rank: #6338 (-165)
21M → 35K
6:35 | 8:48/mi
23M
2:51:34
Rank: #6439 (-101)
35K → 23M
10:57 | 8:45/mi
24M
3:00:08
Rank: #6532 (-93)
23M → 24M
8:34 | 8:34/mi
40K· 24.85 mi
3:08:37
Rank: #6890 (-358)
24M → 40K
8:29 | 9:55/mi
25.2M
3:12:30
Rank: #7052 (-162)
40K → 25.2M
3:53 | 11:16/mi
Finish· 26.22 mi
3:25:50
Rank: #8378 (-1326)
25.2M → Finish
13:20 | 13:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:40
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:56:10
Pace8:52 /mi
📊Positive Split: 29.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:2720:516:4320:51
6:43
-
10K
6.21 mi10:44:2941:536:4421:02
6:46
+0:03
15K
9.32 mi11:05:351:02:596:4521:06
6:47
+0:01
20K
12.43 mi11:27:291:24:536:5021:54
7:03
+0:16
Half
13.11 mi11:32:161:29:406:504:47
7:01
-0:02
25K
15.53 mi11:50:581:48:226:5918:42
7:43
+0:42
30K
18.64 mi12:16:122:13:367:1025:14
8:07
+0:24
20M
20.00 mi12:26:562:24:207:1310:44
7:54
-0:13
21M
21.00 mi12:36:382:34:027:209:42
9:42
+1:48
35K
21.75 mi12:43:132:40:377:236:35
8:48
-0:54
23M
23.00 mi12:54:102:51:347:2810:57
8:45
-0:03
24M
24.00 mi13:02:443:00:087:308:34
8:34
-0:11
40K
24.85 mi13:11:133:08:377:358:29
9:55
+1:21
25.2M
25.20 mi13:15:063:12:307:383:53
11:16
+1:21
Finish
26.22 mi13:28:263:25:507:5113:20
13:05
+1:49

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:43 /mi

Average Pace

7:51 /mi

Slowest Pace

13:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:40

44% of race

Time at Steady Pace

1:20:46

39% of race

Time at Slower Pace

35:24

17% of race

Average Pace: 7:51 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:23:2720:516:4320:51
6:43
#4935
10K
6.21 mi10:44:2941:536:4421:02
6:46
#4901
15K
9.32 mi11:05:351:02:596:4521:06
6:47
#4801
20K
12.43 mi11:27:291:24:536:5021:54
7:03
#5017
Half
13.11 mi11:32:161:29:406:504:47
7:01
#5081
25K
15.53 mi11:50:581:48:226:5918:42
7:43
#5584
30K
18.64 mi12:16:122:13:367:1025:14
8:07
#5969
20M
20.00 mi12:26:562:24:207:1310:44
7:54
#5921
21M
21.00 mi12:36:382:34:027:209:42
9:42
#6173
35K
21.75 mi12:43:132:40:377:236:35
8:48
#6338
23M
23.00 mi12:54:102:51:347:2810:57
8:45
#6439
24M
24.00 mi13:02:443:00:087:308:34
8:34
#6532
40K
24.85 mi13:11:133:08:377:358:29
9:55
#6890
25.2M
25.20 mi13:15:063:12:307:383:53
11:16
#7052
Finish
26.22 mi13:28:263:25:507:5113:20
13:05
#8378
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4935457745774656(Top 18%)4328(Top 30%)4328(Top 89%)
10K6.21 mi3.10 mi4901+344554+234554+234926(Top 19%)4569(Top 31%)4569(Top 94%)
15K9.32 mi3.11 mi4801+1004463+914463+914656(Top 18%)4328(Top 30%)4328(Top 89%)
20K12.43 mi3.11 mi5017-2164641-1784641-1785525(Top 22%)4978(Top 34%)4978(Top 103%)
Half13.11 mi0.68 mi5081-644695-544695-545842(Top 23%)5227(Top 36%)5227(Top 108%)
25K15.53 mi2.42 mi5584-5035061-3665061-3668352(Top 33%)6628(Top 45%)6628(Top 137%)
30K18.64 mi3.11 mi5969-3855273-2125273-2128560(Top 34%)6533(Top 45%)6533(Top 135%)
20M20.00 mi1.36 mi5921+485204+695204+696218(Top 24%)4990(Top 34%)4990(Top 103%)
21M21.00 mi1.00 mi6173-2525357-1535357-15311672(Top 46%)7540(Top 52%)7540(Top 155%)
35K21.75 mi0.75 mi6338-1655444-875444-8712288(Top 48%)7816(Top 54%)7816(Top 161%)
23M23.00 mi1.25 mi6439-1015460-165460-169796(Top 38%)6481(Top 44%)6481(Top 134%)
24M24.00 mi1.00 mi6532-935487-275487-279823(Top 38%)6449(Top 44%)6449(Top 133%)
40K24.85 mi0.85 mi6890-3585669-1825669-18214698(Top 58%)8788(Top 60%)8788(Top 181%)
25.2M25.20 mi0.35 mi7052-1625750-815750-8115278(Top 60%)9060(Top 62%)9060(Top 187%)
Finish26.22 mi1.02 mi8378-13266450-7006450-70024413(Top 96%)13811(Top 95%)13811(Top 285%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

4656

Males

4328

M18-39

4328

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

4926

Males

4569

M18-39

4569

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

4656

Males

4328

M18-39

4328

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

5525

Males

4978

M18-39

4978

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

5842

Males

5227

M18-39

5227

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8352

Males

6628

M18-39

6628

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

8560

Males

6533

M18-39

6533

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6218

Males

4990

M18-39

4990

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

11672

Males

7540

M18-39

7540

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

12288

Males

7816

M18-39

7816

35K→23M

21.8 - 23.0 mi

Top 38%
×5stories
+23ft-63ft

Overall

9796

Males

6481

M18-39

6481

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

9823

Males

6449

M18-39

6449

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

14698

Males

8788

M18-39

8788

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15278

Males

9060

M18-39

9060

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2stories
+22ft-21ft

Overall

24413

Males

13811

M18-39

13811

Passing Analysis

Category:
Athletes Passed
1077
Passed By
4520
Net Change
-3443
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4935
5K → 10K203169+34#4935#4901
10K → 15K18888+100#4901#4801
15K → 20K121337-216#4801#5017
20K → Half1478-64#5017#5081
Half → 25K58561-503#5081#5584
25K → 30K109494-385#5584#5969
30K → 20M12476+48#5969#5921
20M → 21M45297-252#5921#6173
21M → 35K36201-165#6173#6338
35K → 23M77178-101#6338#6439
23M → 24M55148-93#6439#6532
24M → 40K35393-358#6532#6890
40K → 25.2M6168-162#6890#7052
25.2M → Finish61332-1326#7052#8378
TOTALS10774520-3443
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing