Boston Marathon logo
BOSTON MARATHON 2024

Han-Sheng Chen

Bib: 12852•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M50-54)
#0 / 1935
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:23/mi
29:09
↑ 97↓ 3451.5%
10K· 6.21 mi
11:47/mi
1:05:44
↑ 79↓ 1380.4%
15K· 9.32 mi
12:14/mi
1:43:45
↑ 67↓ 78
20K· 12.43 mi
14:31/mi
2:28:50
↑ 106↓ 860.1%
Half· 13.11 mi
12:33/mi
2:37:24
↑ 19↓ 370.5%
25K· 15.53 mi
13:40/mi
3:10:33
↑ 66↓ 880.2%
30K· 18.64 mi
15:34/mi
3:58:56
↑ 181↓ 1480.2%
20M
13:19/mi
4:17:02
↑ 64↓ 500.2%
21M
14:44/mi
4:31:46
↑ 106↓ 241.6%
35K· 21.75 mi
13:39/mi
4:41:59
↑ 17↓ 861.7%
23M
13:12/mi
4:58:31
↑ 23↓ 630.6%
24M
14:40/mi
5:13:11
↓ 821.3%
40K· 24.85 mi
14:54/mi
5:25:55
↓ 200.3%
25.2M
16:17/mi
5:31:32
↑ 13↓ 160.2%
Finish· 26.22 mi
13:01/mi
5:44:48
↑ 22↓ 21

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 HalfFaster
Distance13.11 mi
Time2:37:24
Pace12:00 /mi
2nd Half
Distance13.11 mi
Time3:07:24
Pace14:18 /mi
📊Positive Split: 19.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:0429:099:2329:09
9:23
-
10K
6.21 mi11:34:391:05:4410:3536:35
11:47
+2:24
15K
9.32 mi12:12:401:43:4511:0838:01
12:14
+0:27
20K
12.43 mi12:57:452:28:5011:5945:05
14:31
+2:17
Half
13.11 mi13:06:192:37:2412:008:34
12:33
-1:58
25K
15.53 mi13:39:283:10:3312:1633:09
13:40
+1:07
30K
18.64 mi14:27:513:58:5612:4948:23
15:34
+1:54
20M
20.00 mi14:45:574:17:0212:5118:06
13:19
-2:15
21M
21.00 mi15:00:414:31:4612:5614:44
14:44
+1:25
35K
21.75 mi15:10:544:41:5912:5810:13
13:39
-1:05
23M
23.00 mi15:27:264:58:3112:5916:32
13:12
-0:27
24M
24.00 mi15:42:065:13:1113:0314:40
14:40
+1:28
40K
24.85 mi15:54:505:25:5513:0712:44
14:54
+0:14
25.2M
25.20 mi16:00:275:31:3213:095:37
16:17
+1:23
Finish
26.22 mi16:13:435:44:4813:1013:16
13:01
-3:16

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

9:23 /mi

Average Pace

13:10 /mi

Slowest Pace

16:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:19

33% of race

Time at Steady Pace

1:31:16

26% of race

Time at Slower Pace

2:21:13

41% of race

Average Pace: 13:09 /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 mi10:58:0429:099:2329:09
9:23
#21368
10K
6.21 mi11:34:391:05:4410:3536:35
11:47
#23935
15K
9.32 mi12:12:401:43:4511:0838:01
12:14
#24449
20K
12.43 mi12:57:452:28:5011:5945:05
14:31
#24943
Half
13.11 mi13:06:192:37:2412:008:34
12:33
#24957
25K
15.53 mi13:39:283:10:3312:1633:09
13:40
#24947
30K
18.64 mi14:27:513:58:5612:4948:23
15:34
#25056
20M
20.00 mi14:45:574:17:0212:5118:06
13:19
#24976
21M
21.00 mi15:00:414:31:4612:5614:44
14:44
#24929
35K
21.75 mi15:10:544:41:5912:5810:13
13:39
#24916
23M
23.00 mi15:27:264:58:3112:5916:32
13:12
#24858
24M
24.00 mi15:42:065:13:1113:0314:40
14:40
#24873
40K
24.85 mi15:54:505:25:5513:0712:44
14:54
#24881
25.2M
25.20 mi16:00:275:31:3213:095:37
16:17
#24892
Finish
26.22 mi16:13:435:44:4813:1013:16
13:01
#24891
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi21368127261272624887(Top 97%)14331(Top 98%)14331(Top 741%)
10K6.21 mi3.10 mi23935-256713976-125013976-125024992(Top 98%)14384(Top 99%)14384(Top 743%)
15K9.32 mi3.11 mi24449-51414187-21114187-21124887(Top 97%)14331(Top 98%)14331(Top 741%)
20K12.43 mi3.11 mi24943-49414367-18014367-18025463(Top 100%)14537(Top 100%)14537(Top 751%)
Half13.11 mi0.68 mi24957-1414366+114366+124943(Top 98%)14304(Top 98%)14304(Top 739%)
25K15.53 mi2.42 mi24947+1014350+1614350+1624717(Top 97%)14186(Top 97%)14186(Top 733%)
30K18.64 mi3.11 mi25056-10914375-2514375-2525209(Top 99%)14375(Top 99%)14375(Top 743%)
20M20.00 mi1.36 mi24976+8014339+3614339+3623263(Top 91%)13325(Top 91%)13325(Top 689%)
21M21.00 mi1.00 mi24929+4714314+2514314+2523258(Top 91%)13296(Top 91%)13296(Top 687%)
35K21.75 mi0.75 mi24916+1314307+714307+723987(Top 94%)13649(Top 94%)13649(Top 705%)
23M23.00 mi1.25 mi24858+5814274+3314274+3322836(Top 89%)13025(Top 89%)13025(Top 673%)
24M24.00 mi1.00 mi24873-15142741427424666(Top 97%)13983(Top 96%)13983(Top 723%)
40K24.85 mi0.85 mi24881-814270+414270+424459(Top 96%)13851(Top 95%)13851(Top 716%)
25.2M25.20 mi0.35 mi24892-1114275-514275-524257(Top 95%)13738(Top 94%)13738(Top 710%)
Finish26.22 mi1.02 mi24891+114268+714268+724368(Top 95%)13789(Top 95%)13789(Top 713%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

24887

Males

14331

M50-54

14331

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

24992

Males

14384

M50-54

14384

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

24887

Males

14331

M50-54

14331

15K→20K

9.3 - 12.4 mi

Top 100%
×5story building
+106ft-86ft

Overall

25463

Males

14537

M50-54

14537

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

24943

Males

14304

M50-54

14304

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

24717

Males

14186

M50-54

14186

25K→30K

15.5 - 18.6 mi

Top 99%
×9story building
+181ft-148ft

Overall

25209

Males

14375

M50-54

14375

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

23263

Males

13325

M50-54

13325

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

23258

Males

13296

M50-54

13296

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

23987

Males

13649

M50-54

13649

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

22836

Males

13025

M50-54

13025

23M→24M

23.0 - 24.0 mi

Top 97%
×6story building
+12ft-82ft

Overall

24666

Males

13983

M50-54

13983

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

24459

Males

13851

M50-54

13851

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

24257

Males

13738

M50-54

13738

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2story building
+22ft-21ft

Overall

24368

Males

13789

M50-54

13789

Passing Analysis

Category:
Athletes Passed
388
Passed By
3911
Net Change
-3523
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21368
5K → 10K12568-2567#21368#23935
10K → 15K18532-514#23935#24449
15K → 20K8502-494#24449#24943
20K → Half822-14#24943#24957
Half → 25K5343+10#24957#24947
25K → 30K25134-109#24947#25056
30K → 20M800+80#25056#24976
20M → 21M514+47#24976#24929
21M → 35K2512+13#24929#24916
35K → 23M624+58#24916#24858
23M → 24M1429-15#24858#24873
24M → 40K1624-8#24873#24881
40K → 25.2M718-11#24881#24892
25.2M → Finish2019+1#24892#24891
TOTALS3883911-3523
📊

Passing Visuals

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing