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BOSTON MARATHON 2024

Kuang Hua Chou

Bib: 18022•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M55-59)
#0 / 1529
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:31
Rank: #19511
Start → 5K
8:51/mi
27:31 split
10K· 6.21 mi
56:56
Rank: #20518 (-1007)
5K → 10K
9:28/mi
29:25 split
15K· 9.32 mi
1:25:32
Rank: #20253 (+265)
10K → 15K
9:12/mi
28:36 split
20K· 12.43 mi
1:54:40
Rank: #19850 (+403)
15K → 20K
9:23/mi
29:08 split
Half· 13.11 mi
2:00:56
Rank: #19809 (+41)
20K → Half
9:11/mi
6:16 split
25K· 15.53 mi
2:25:44
Rank: #19797 (+12)
Half → 25K
10:14/mi
24:48 split
30K· 18.64 mi
3:14:19
Rank: #21795 (-1998)
25K → 30K
15:38/mi
48:35 split
20M
3:38:27
Rank: #22586 (-791)
30K → 20M
17:46/mi
24:08 split
21M
3:56:48
Rank: #22968 (-382)
20M → 21M
18:21/mi
18:21 split
35K· 21.75 mi
4:10:09
Rank: #23231 (-263)
21M → 35K
17:51/mi
13:21 split
23M
4:32:22
Rank: #23586 (-355)
35K → 23M
17:45/mi
22:13 split
24M
4:52:09
Rank: #23907 (-321)
23M → 24M
19:47/mi
19:47 split
40K· 24.85 mi
5:06:21
Rank: #24026 (-119)
24M → 40K
16:36/mi
14:12 split
25.2M
5:13:47
Rank: #24136 (-110)
40K → 25.2M
21:33/mi
7:26 split
Finish· 26.22 mi
5:31:49
Rank: #24388 (-252)
25.2M → Finish
17:42/mi
18:02 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:56
Pace9:13 /mi
2nd Half
Distance13.11 mi
Time3:30:53
Pace16:05 /mi
📊Positive Split: 74.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:2827:318:5127:31
8:51
-
10K
6.21 mi11:48:5356:569:1029:25
9:28
+0:37
15K
9.32 mi12:17:291:25:329:1128:36
9:12
-0:16
20K
12.43 mi12:46:371:54:409:1429:08
9:23
+0:11
Half
13.11 mi12:52:532:00:569:136:16
9:11
-0:12
25K
15.53 mi13:17:412:25:449:2324:48
10:14
+1:03
30K
18.64 mi14:06:163:14:1910:2548:35
15:38
+5:24
20M
20.00 mi14:30:243:38:2710:5524:08
17:46
+2:08
21M
21.00 mi14:48:453:56:4811:1718:21
18:21
+0:35
35K
21.75 mi15:02:064:10:0911:3013:21
17:51
-0:30
23M
23.00 mi15:24:194:32:2211:5122:13
17:45
-0:06
24M
24.00 mi15:44:064:52:0912:1019:47
19:47
+2:02
40K
24.85 mi15:58:185:06:2112:2014:12
16:36
-3:11
25.2M
25.20 mi16:05:445:13:4712:277:26
21:33
+4:57
Finish
26.22 mi16:23:465:31:4912:4018:02
17:42
-3:51

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

8:51 /mi

Average Pace

12:40 /mi

Slowest Pace

21:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:44

44% of race

Time at Steady Pace

2:38:52

48% of race

Time at Slower Pace

27:13

8% of race

Average Pace: 12:39 /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 mi11:19:2827:318:5127:31
8:51
#19511
10K
6.21 mi11:48:5356:569:1029:25
9:28
#20518
15K
9.32 mi12:17:291:25:329:1128:36
9:12
#20253
20K
12.43 mi12:46:371:54:409:1429:08
9:23
#19850
Half
13.11 mi12:52:532:00:569:136:16
9:11
#19809
25K
15.53 mi13:17:412:25:449:2324:48
10:14
#19797
30K
18.64 mi14:06:163:14:1910:2548:35
15:38
#21795
20M
20.00 mi14:30:243:38:2710:5524:08
17:46
#22586
21M
21.00 mi14:48:453:56:4811:1718:21
18:21
#22968
35K
21.75 mi15:02:064:10:0911:3013:21
17:51
#23231
23M
23.00 mi15:24:194:32:2211:5122:13
17:45
#23586
24M
24.00 mi15:44:064:52:0912:1019:47
19:47
#23907
40K
24.85 mi15:58:185:06:2112:2014:12
16:36
#24026
25.2M
25.20 mi16:05:445:13:4712:277:26
21:33
#24136
Finish
26.22 mi16:23:465:31:4912:4018:02
17:42
#24388
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi19511118401184019738(Top 77%)12051(Top 83%)12051(Top 788%)
10K6.21 mi3.10 mi20518-100712348-50812348-50821267(Top 83%)12707(Top 87%)12707(Top 831%)
15K9.32 mi3.11 mi20253+26512246+10212246+10219738(Top 77%)12051(Top 83%)12051(Top 788%)
20K12.43 mi3.11 mi19850+40312065+18112065+18118805(Top 74%)11596(Top 80%)11596(Top 758%)
Half13.11 mi0.68 mi19809+4112041+2412041+2419019(Top 74%)11641(Top 80%)11641(Top 761%)
25K15.53 mi2.42 mi19797+1212018+2312018+2319731(Top 77%)11916(Top 82%)11916(Top 779%)
30K18.64 mi3.11 mi21795-199812883-86512883-86525231(Top 99%)14386(Top 99%)14386(Top 941%)
20M20.00 mi1.36 mi22586-79113251-36813251-36825433(Top 100%)14503(Top 99%)14503(Top 949%)
21M21.00 mi1.00 mi22968-38213397-14613397-14625329(Top 99%)14433(Top 99%)14433(Top 944%)
35K21.75 mi0.75 mi23231-26313521-12413521-12425400(Top 99%)14478(Top 99%)14478(Top 947%)
23M23.00 mi1.25 mi23586-35513684-16313684-16325392(Top 99%)14473(Top 99%)14473(Top 947%)
24M24.00 mi1.00 mi23907-32113830-14613830-14625482(Top 100%)14527(Top 100%)14527(Top 950%)
40K24.85 mi0.85 mi24026-11913884-5413884-5425143(Top 98%)14284(Top 98%)14284(Top 934%)
25.2M25.20 mi0.35 mi24136-11013930-4613930-4625450(Top 100%)14505(Top 99%)14505(Top 949%)
Finish26.22 mi1.02 mi24388-25214043-11314043-11325450(Top 100%)14504(Top 99%)14504(Top 949%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

19738

Males

12051

M55-59

12051

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

21267

Males

12707

M55-59

12707

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

19738

Males

12051

M55-59

12051

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

18805

Males

11596

M55-59

11596

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

19019

Males

11641

M55-59

11641

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

19731

Males

11916

M55-59

11916

25K→30K

15.5 - 18.6 mi

Top 99%
×9story building
+181ft-148ft

Overall

25231

Males

14386

M55-59

14386

30K→20M

18.6 - 20.0 mi

Top 100%
×5story building
+64ft-50ft

Overall

25433

Males

14503

M55-59

14503

20M→21M

20.0 - 21.0 mi

Top 99%
×8story building
+106ft-24ft

Overall

25329

Males

14433

M55-59

14433

21M→35K

21.0 - 21.8 mi

Top 99%
×7story building
+17ft-86ft

Overall

25400

Males

14478

M55-59

14478

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

25392

Males

14473

M55-59

14473

23M→24M

23.0 - 24.0 mi

Top 100%
×6story building
+12ft-82ft

Overall

25482

Males

14527

M55-59

14527

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

25143

Males

14284

M55-59

14284

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1story
+13ft-16ft

Overall

25450

Males

14505

M55-59

14505

25.2M→Finish

25.2 - 26.2 mi

Top 100%
×2story building
+22ft-21ft

Overall

25450

Males

14504

M55-59

14504

Passing Analysis

Category:
Athletes Passed
1136
Passed By
6013
Net Change
-4877
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19511
5K → 10K481055-1007#19511#20518
10K → 15K35388+265#20518#20253
15K → 20K44946+403#20253#19850
20K → Half5514+41#19850#19809
Half → 25K179167+12#19809#19797
25K → 30K42002-1998#19797#21795
30K → 20M5796-791#21795#22586
20M → 21M12394-382#22586#22968
21M → 35K9272-263#22968#23231
35K → 23M8363-355#23231#23586
23M → 24M0321-321#23586#23907
24M → 40K10129-119#23907#24026
40K → 25.2M1111-110#24026#24136
25.2M → Finish3255-252#24136#24388
TOTALS11366013-4877
📊

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