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BOSTON MARATHON 2024

Bohua Chen

Bib: 30586•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M40-44)
#0 / 2009
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
8:40/mi
26:55
↑ 97↓ 3451.5%
10K· 6.21 mi
11:26/mi
1:02:26
↑ 79↓ 1380.4%
15K· 9.32 mi
12:52/mi
1:42:24
↑ 67↓ 78
20K· 12.43 mi
13:17/mi
2:23:40
↑ 106↓ 860.1%
Half· 13.11 mi
12:39/mi
2:32:18
↑ 19↓ 370.5%
25K· 15.53 mi
13:53/mi
3:05:57
↑ 66↓ 880.2%
30K· 18.64 mi
14:58/mi
3:52:26
↑ 181↓ 1480.2%
20M
13:57/mi
4:11:23
↑ 64↓ 500.2%
21M
15:38/mi
4:27:01
↑ 106↓ 241.6%
35K· 21.75 mi
14:46/mi
4:38:04
↑ 17↓ 861.7%
23M
14:01/mi
4:55:37
↑ 23↓ 630.6%
24M
12:05/mi
5:07:42
↓ 821.3%
40K· 24.85 mi
14:25/mi
5:20:02
↓ 200.3%
25.2M
14:15/mi
5:24:57
↑ 13↓ 160.2%
Finish· 26.22 mi
11:31/mi
5:36:41
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:32:18
Pace11:37 /mi
2nd Half
Distance13.11 mi
Time3:04:23
Pace14:04 /mi
📊Positive Split: 21.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2026:558:4026:55
8:40
-
10K
6.21 mi12:27:511:02:2610:0335:31
11:26
+2:46
15K
9.32 mi13:07:491:42:2410:5939:58
12:52
+1:26
20K
12.43 mi13:49:052:23:4011:3441:16
13:17
+0:25
Half
13.11 mi13:57:432:32:1811:378:38
12:39
-0:38
25K
15.53 mi14:31:223:05:5711:5833:39
13:53
+1:14
30K
18.64 mi15:17:513:52:2612:2846:29
14:58
+1:05
20M
20.00 mi15:36:484:11:2312:3418:57
13:57
-1:01
21M
21.00 mi15:52:264:27:0112:4315:38
15:38
+1:41
35K
21.75 mi16:03:294:38:0412:4711:03
14:46
-0:52
23M
23.00 mi16:21:024:55:3712:5117:33
14:01
-0:45
24M
24.00 mi16:33:075:07:4212:4912:05
12:05
-1:56
40K
24.85 mi16:45:275:20:0212:5312:20
14:25
+2:20
25.2M
25.20 mi16:50:225:24:5712:544:55
14:15
-0:10
Finish
26.22 mi17:02:065:36:4112:5111:44
11:31
-2:44

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

8:40 /mi

Average Pace

12:51 /mi

Slowest Pace

15:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:51

40% of race

Time at Steady Pace

2:08:40

38% of race

Time at Slower Pace

1:13:10

22% of race

Average Pace: 12:50 /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 mi11:52:2026:558:4026:55
8:40
#18652
10K
6.21 mi12:27:511:02:2610:0335:31
11:26
#22885
15K
9.32 mi13:07:491:42:2410:5939:58
12:52
#24267
20K
12.43 mi13:49:052:23:4011:3441:16
13:17
#24586
Half
13.11 mi13:57:432:32:1811:378:38
12:39
#24631
25K
15.53 mi14:31:223:05:5711:5833:39
13:53
#24699
30K
18.64 mi15:17:513:52:2612:2846:29
14:58
#24793
20M
20.00 mi15:36:484:11:2312:3418:57
13:57
#24745
21M
21.00 mi15:52:264:27:0112:4315:38
15:38
#24732
35K
21.75 mi16:03:294:38:0412:4711:03
14:46
#24762
23M
23.00 mi16:21:024:55:3712:5117:33
14:01
#24747
24M
24.00 mi16:33:075:07:4212:4912:05
12:05
#24661
40K
24.85 mi16:45:275:20:0212:5312:20
14:25
#24661
25.2M
25.20 mi16:50:225:24:5712:544:55
14:15
#24647
Finish
26.22 mi17:02:065:36:4112:5111:44
11:31
#24588
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi18652114781147825235(Top 99%)14469(Top 99%)14469(Top 720%)
10K6.21 mi3.10 mi22885-423313484-200613484-200624712(Top 97%)14272(Top 98%)14272(Top 710%)
15K9.32 mi3.11 mi24267-138214107-62314107-62325235(Top 99%)14469(Top 99%)14469(Top 720%)
20K12.43 mi3.11 mi24586-31914230-12314230-12325049(Top 98%)14378(Top 99%)14378(Top 716%)
Half13.11 mi0.68 mi24631-4514246-1614246-1625002(Top 98%)14328(Top 98%)14328(Top 713%)
25K15.53 mi2.42 mi24699-6814253-714253-724855(Top 97%)14256(Top 98%)14256(Top 710%)
30K18.64 mi3.11 mi24793-9414268-1514268-1524906(Top 97%)14223(Top 98%)14223(Top 708%)
20M20.00 mi1.36 mi24745+4814250+1814250+1823915(Top 94%)13686(Top 94%)13686(Top 681%)
21M21.00 mi1.00 mi24732+1314230+2014230+2024204(Top 95%)13790(Top 95%)13790(Top 686%)
35K21.75 mi0.75 mi24762-3014238-814238-824773(Top 97%)14080(Top 97%)14080(Top 701%)
23M23.00 mi1.25 mi24747+1514221+1714221+1723783(Top 93%)13539(Top 93%)13539(Top 674%)
24M24.00 mi1.00 mi24661+8614172+4914172+4921609(Top 85%)12325(Top 85%)12325(Top 613%)
40K24.85 mi0.85 mi2466114167+514167+524072(Top 94%)13620(Top 93%)13620(Top 678%)
25.2M25.20 mi0.35 mi24647+1414163+414163+422003(Top 86%)12495(Top 86%)12495(Top 622%)
Finish26.22 mi1.02 mi24588+5914129+3414129+3422451(Top 88%)12742(Top 87%)12742(Top 634%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

25235

Males

14469

M40-44

14469

5K→10K

3.1 - 6.2 mi

Top 97%
×5story building
+79ft-138ft

Overall

24712

Males

14272

M40-44

14272

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

25235

Males

14469

M40-44

14469

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

25049

Males

14378

M40-44

14378

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

25002

Males

14328

M40-44

14328

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

24855

Males

14256

M40-44

14256

25K→30K

15.5 - 18.6 mi

Top 97%
×9story building
+181ft-148ft

Overall

24906

Males

14223

M40-44

14223

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

23915

Males

13686

M40-44

13686

20M→21M

20.0 - 21.0 mi

Top 95%
×8story building
+106ft-24ft

Overall

24204

Males

13790

M40-44

13790

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

24773

Males

14080

M40-44

14080

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

23783

Males

13539

M40-44

13539

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

21609

Males

12325

M40-44

12325

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

24072

Males

13620

M40-44

13620

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22003

Males

12495

M40-44

12495

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

22451

Males

12742

M40-44

12742

Passing Analysis

Category:
Athletes Passed
466
Passed By
6402
Net Change
-5936
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18652
5K → 10K04233-4233#18652#22885
10K → 15K61388-1382#22885#24267
15K → 20K19338-319#24267#24586
20K → Half550-45#24586#24631
Half → 25K38106-68#24631#24699
25K → 30K47141-94#24699#24793
30K → 20M6113+48#24793#24745
20M → 21M4229+13#24745#24732
21M → 35K1242-30#24732#24762
35K → 23M4328+15#24762#24747
23M → 24M893+86#24747#24661
24M → 40K20200#24661#24661
40K → 25.2M184+14#24661#24647
25.2M → Finish667+59#24647#24588
TOTALS4666402-5936
📊

Passing Visuals

Category:
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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