Boston Marathon logo
BOSTON MARATHON 2024

Jianhui Shen

Bib: 5690•M

NJ

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 12%
Gender (Male)
#0 / 14578
Top 20%
Division (M18-39)
#0 / 4849
Top 41%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:47
Rank: #7109
Start → 5K
21:47 | 7:01/mi
10K· 6.21 mi
43:39
Rank: #6992 (+117)
5K → 10K
21:52 | 7:02/mi
15K· 9.32 mi
1:05:14
Rank: #6598 (+394)
10K → 15K
21:35 | 6:57/mi
20K· 12.43 mi
1:26:50
Rank: #6082 (+516)
15K → 20K
21:36 | 6:57/mi
Half· 13.11 mi
1:31:26
Rank: #5967 (+115)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:48:10
Rank: #5490 (+477)
Half → 25K
16:44 | 6:54/mi
30K· 18.64 mi
2:09:34
Rank: #4732 (+758)
25K → 30K
21:24 | 6:53/mi
20M
2:18:39
Rank: #4308 (+424)
30K → 20M
9:05 | 6:41/mi
21M
2:25:52
Rank: #3998 (+310)
20M → 21M
7:13 | 7:13/mi
35K· 21.75 mi
2:30:51
Rank: #3838 (+160)
21M → 35K
4:59 | 6:40/mi
23M
2:39:33
Rank: #3597 (+241)
35K → 23M
8:42 | 6:57/mi
24M
2:46:23
Rank: #3453 (+144)
23M → 24M
6:50 | 6:50/mi
40K· 24.85 mi
2:52:17
Rank: #3320 (+133)
24M → 40K
5:54 | 6:54/mi
25.2M
2:54:52
Rank: #3263 (+57)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
3:01:15
Rank: #3078 (+185)
25.2M → Finish
6:23 | 6:16/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via Half
Distance13.11 mi
Time1:31:26
Pace6:58 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:29:49
Pace6:51 /mi
📊Negative Split: 1.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:1121:477:0121:47
7:01
-
10K
6.21 mi10:49:0343:397:0121:52
7:02
+0:01
15K
9.32 mi11:10:381:05:147:0021:35
6:57
-0:05
20K
12.43 mi11:32:141:26:506:5921:36
6:57
0:00
Half
13.11 mi11:36:501:31:266:584:36
6:45
-0:12
25K
15.53 mi11:53:341:48:106:5816:44
6:54
+0:09
30K
18.64 mi12:14:582:09:346:5721:24
6:53
-0:01
20M
20.00 mi12:24:032:18:396:569:05
6:41
-0:12
21M
21.00 mi12:31:162:25:526:577:13
7:13
+0:32
35K
21.75 mi12:36:152:30:516:564:59
6:40
-0:33
23M
23.00 mi12:44:572:39:336:568:42
6:57
+0:17
24M
24.00 mi12:51:472:46:236:566:50
6:50
-0:07
40K
24.85 mi12:57:412:52:176:565:54
6:54
+0:04
25.2M
25.20 mi13:00:162:54:526:562:35
7:29
+0:35
Finish
26.22 mi13:06:393:01:156:556:23
6:16
-1:13

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

6:16 /mi

Average Pace

6:55 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

53:17

29% of race

Time at Steady Pace

2:05:23

69% of race

Time at Slower Pace

2:35

1% of race

Average Pace: 6:55 /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 mi10:27:1121:477:0121:47
7:01
#7109
10K
6.21 mi10:49:0343:397:0121:52
7:02
#6992
15K
9.32 mi11:10:381:05:147:0021:35
6:57
#6598
20K
12.43 mi11:32:141:26:506:5921:36
6:57
#6082
Half
13.11 mi11:36:501:31:266:584:36
6:45
#5967
25K
15.53 mi11:53:341:48:106:5816:44
6:54
#5490
30K
18.64 mi12:14:582:09:346:5721:24
6:53
#4732
20M
20.00 mi12:24:032:18:396:569:05
6:41
#4308
21M
21.00 mi12:31:162:25:526:577:13
7:13
#3998
35K
21.75 mi12:36:152:30:516:564:59
6:40
#3838
23M
23.00 mi12:44:572:39:336:568:42
6:57
#3597
24M
24.00 mi12:51:472:46:236:566:50
6:50
#3453
40K
24.85 mi12:57:412:52:176:565:54
6:54
#3320
25.2M
25.20 mi13:00:162:54:526:562:35
7:29
#3263
Finish
26.22 mi13:06:393:01:156:556:23
6:16
#3078
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7109624462445873(Top 23%)5291(Top 36%)5291(Top 109%)
10K6.21 mi3.10 mi6992+1176136+1086136+1086880(Top 27%)6033(Top 41%)6033(Top 124%)
15K9.32 mi3.11 mi6598+3945843+2935843+2935873(Top 23%)5291(Top 36%)5291(Top 109%)
20K12.43 mi3.11 mi6082+5165459+3845459+3844936(Top 19%)4518(Top 31%)4518(Top 93%)
Half13.11 mi0.68 mi5967+1155368+915368+914035(Top 16%)3759(Top 26%)3759(Top 78%)
25K15.53 mi2.42 mi5490+4774994+3744994+3743784(Top 15%)3513(Top 24%)3513(Top 72%)
30K18.64 mi3.11 mi4732+7584343+6514343+6512325(Top 9%)2197(Top 15%)2197(Top 45%)
20M20.00 mi1.36 mi4308+4243985+3583985+3581302(Top 5%)1236(Top 8%)1236(Top 25%)
21M21.00 mi1.00 mi3998+3103703+2823703+2821614(Top 6%)1514(Top 10%)1514(Top 31%)
35K21.75 mi0.75 mi3838+1603560+1433560+1431781(Top 7%)1657(Top 11%)1657(Top 34%)
23M23.00 mi1.25 mi3597+2413337+2233337+2231783(Top 7%)1645(Top 11%)1645(Top 34%)
24M24.00 mi1.00 mi3453+1443199+1383199+1381808(Top 7%)1656(Top 11%)1656(Top 34%)
40K24.85 mi0.85 mi3320+1333079+1203079+1201603(Top 6%)1469(Top 10%)1469(Top 30%)
25.2M25.20 mi0.35 mi3263+573026+533026+531436(Top 6%)1308(Top 9%)1308(Top 27%)
Finish26.22 mi1.02 mi3078+1852856+1702856+170858(Top 3%)799(Top 5%)799(Top 16%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

5873

Males

5291

M18-39

5291

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

6880

Males

6033

M18-39

6033

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

5873

Males

5291

M18-39

5291

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

4936

Males

4518

M18-39

4518

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4035

Males

3759

M18-39

3759

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

3784

Males

3513

M18-39

3513

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2325

Males

2197

M18-39

2197

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1302

Males

1236

M18-39

1236

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1614

Males

1514

M18-39

1514

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1781

Males

1657

M18-39

1657

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1783

Males

1645

M18-39

1645

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1808

Males

1656

M18-39

1656

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1603

Males

1469

M18-39

1469

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1436

Males

1308

M18-39

1308

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

858

Males

799

M18-39

799

Passing Analysis

Category:
Athletes Passed
4200
Passed By
169
Net Change
+4031
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7109
5K → 10K246129+117#7109#6992
10K → 15K41319+394#6992#6598
15K → 20K5237+516#6598#6082
20K → Half1161+115#6082#5967
Half → 25K4792+477#5967#5490
25K → 30K7591+758#5490#4732
30K → 20M4240+424#4732#4308
20M → 21M3111+310#4308#3998
21M → 35K1600+160#3998#3838
35K → 23M2432+241#3838#3597
23M → 24M1473+144#3597#3453
24M → 40K1352+133#3453#3320
40K → 25.2M592+57#3320#3263
25.2M → Finish1850+185#3263#3078
TOTALS4200169+4031
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing