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BOSTON MARATHON 2024

Hsin Chou Tsai

Bib: 29927•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M60-64)
#0 / 1173
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
33:29
Rank: #24553
Start → 5K
33:29 | 10:47/mi
10K· 6.21 mi
1:06:46
Rank: #24234 (+319)
5K → 10K
33:17 | 10:43/mi
15K· 9.32 mi
1:40:16
Rank: #23929 (+305)
10K → 15K
33:30 | 10:47/mi
20K· 12.43 mi
2:15:56
Rank: #23847 (+82)
15K → 20K
35:40 | 11:29/mi
Half· 13.11 mi
2:23:41
Rank: #23863 (-16)
20K → Half
7:45 | 11:22/mi
25K· 15.53 mi
2:50:15
Rank: #23490 (+373)
Half → 25K
26:34 | 10:57/mi
30K· 18.64 mi
3:26:43
Rank: #23133 (+357)
25K → 30K
36:28 | 11:44/mi
20M
3:41:51
Rank: #22898 (+235)
30K → 20M
15:08 | 11:08/mi
21M
3:54:54
Rank: #22821 (+77)
20M → 21M
13:03 | 13:03/mi
35K· 21.75 mi
4:03:44
Rank: #22780 (+41)
21M → 35K
8:50 | 11:48/mi
23M
4:18:16
Rank: #22638 (+142)
35K → 23M
14:32 | 11:36/mi
24M
4:30:49
Rank: #22626 (+12)
23M → 24M
12:33 | 12:33/mi
40K· 24.85 mi
4:40:16
Rank: #22510 (+116)
24M → 40K
9:27 | 11:03/mi
25.2M
4:44:54
Rank: #22480 (+30)
40K → 25.2M
4:38 | 13:26/mi
Finish· 26.22 mi
4:56:05
Rank: #22445 (+35)
25.2M → Finish
11:11 | 10:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:23:41
Pace10:58 /mi
2nd Half
Distance13.11 mi
Time2:32:24
Pace11:38 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:5533:2910:4733:29
10:47
-
10K
6.21 mi12:29:121:06:4610:4533:17
10:43
-0:04
15K
9.32 mi13:02:421:40:1610:4533:30
10:47
+0:04
20K
12.43 mi13:38:222:15:5610:5635:40
11:29
+0:42
Half
13.11 mi13:46:072:23:4110:587:45
11:22
-0:07
25K
15.53 mi14:12:412:50:1510:5826:34
10:57
-0:25
30K
18.64 mi14:49:093:26:4311:0536:28
11:44
+0:47
20M
20.00 mi15:04:173:41:5111:0615:08
11:08
-0:36
21M
21.00 mi15:17:203:54:5411:1113:03
13:03
+1:55
35K
21.75 mi15:26:104:03:4411:128:50
11:48
-1:15
23M
23.00 mi15:40:424:18:1611:1414:32
11:36
-0:12
24M
24.00 mi15:53:154:30:4911:1712:33
12:33
+0:57
40K
24.85 mi16:02:424:40:1611:179:27
11:03
-1:30
25.2M
25.20 mi16:07:204:44:5411:184:38
13:26
+2:23
Finish
26.22 mi16:18:314:56:0511:1811:11
10:58
-2:28

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

10:43 /mi

Average Pace

11:18 /mi

Slowest Pace

13:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:50

43% of race

Time at Steady Pace

2:10:11

44% of race

Time at Slower Pace

39:04

13% of race

Average Pace: 11:18 /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 mi11:55:5533:2910:4733:29
10:47
#24553
10K
6.21 mi12:29:121:06:4610:4533:17
10:43
#24234
15K
9.32 mi13:02:421:40:1610:4533:30
10:47
#23929
20K
12.43 mi13:38:222:15:5610:5635:40
11:29
#23847
Half
13.11 mi13:46:072:23:4110:587:45
11:22
#23863
25K
15.53 mi14:12:412:50:1510:5826:34
10:57
#23490
30K
18.64 mi14:49:093:26:4311:0536:28
11:44
#23133
20M
20.00 mi15:04:173:41:5111:0615:08
11:08
#22898
21M
21.00 mi15:17:203:54:5411:1113:03
13:03
#22821
35K
21.75 mi15:26:104:03:4411:128:50
11:48
#22780
23M
23.00 mi15:40:424:18:1611:1414:32
11:36
#22638
24M
24.00 mi15:53:154:30:4911:1712:33
12:33
#22626
40K
24.85 mi16:02:424:40:1611:179:27
11:03
#22510
25.2M
25.20 mi16:07:204:44:5411:184:38
13:26
#22480
Finish
26.22 mi16:18:314:56:0511:1811:11
10:58
#22445
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi24553142321423223410(Top 92%)13725(Top 94%)13725(Top 1170%)
10K6.21 mi3.10 mi24234+31914098+13414098+13423889(Top 93%)13935(Top 96%)13935(Top 1188%)
15K9.32 mi3.11 mi23929+30513969+12913969+12923410(Top 92%)13725(Top 94%)13725(Top 1170%)
20K12.43 mi3.11 mi23847+8213927+4213927+4223350(Top 91%)13667(Top 94%)13667(Top 1165%)
Half13.11 mi0.68 mi23863-1613936-913936-923948(Top 94%)13877(Top 95%)13877(Top 1183%)
25K15.53 mi2.42 mi23490+37313720+21613720+21621419(Top 84%)12678(Top 87%)12678(Top 1081%)
30K18.64 mi3.11 mi23133+35713509+21113509+21121484(Top 84%)12551(Top 86%)12551(Top 1070%)
20M20.00 mi1.36 mi22898+23513390+11913390+11919584(Top 77%)11540(Top 79%)11540(Top 984%)
21M21.00 mi1.00 mi22821+7713331+5913331+5920824(Top 82%)12064(Top 83%)12064(Top 1028%)
35K21.75 mi0.75 mi22780+4113306+2513306+2521449(Top 84%)12335(Top 85%)12335(Top 1052%)
23M23.00 mi1.25 mi22638+14213228+7813228+7819883(Top 78%)11508(Top 79%)11508(Top 981%)
24M24.00 mi1.00 mi22626+1213201+2713201+2722362(Top 88%)12709(Top 87%)12709(Top 1083%)
40K24.85 mi0.85 mi22510+11613128+7313128+7318227(Top 71%)10584(Top 73%)10584(Top 902%)
25.2M25.20 mi0.35 mi22480+3013107+2113107+2120590(Top 81%)11742(Top 81%)11742(Top 1001%)
Finish26.22 mi1.02 mi22445+3513078+2913078+2921273(Top 83%)12133(Top 83%)12133(Top 1034%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21stories
+97ft-345ft

Overall

23410

Males

13725

M60-64

13725

5K→10K

3.1 - 6.2 mi

Top 93%
×5stories
+79ft-138ft

Overall

23889

Males

13935

M60-64

13935

10K→15K

6.2 - 9.3 mi

Top 92%
×3stories
+67ft-78ft

Overall

23410

Males

13725

M60-64

13725

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

23350

Males

13667

M60-64

13667

20K→Half

12.4 - 13.1 mi

Top 94%
×2stories
+19ft-37ft

Overall

23948

Males

13877

M60-64

13877

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

21419

Males

12678

M60-64

12678

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

21484

Males

12551

M60-64

12551

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

19584

Males

11540

M60-64

11540

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

20824

Males

12064

M60-64

12064

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

21449

Males

12335

M60-64

12335

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

19883

Males

11508

M60-64

11508

23M→24M

23.0 - 24.0 mi

Top 88%
×6stories
+12ft-82ft

Overall

22362

Males

12709

M60-64

12709

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18227

Males

10584

M60-64

10584

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

20590

Males

11742

M60-64

11742

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

21273

Males

12133

M60-64

12133

Passing Analysis

Category:
Athletes Passed
2426
Passed By
318
Net Change
+2108
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24553
5K → 10K36142+319#24553#24234
10K → 15K32823+305#24234#23929
15K → 20K16482+82#23929#23847
20K → Half1834-16#23847#23863
Half → 25K3741+373#23863#23490
25K → 30K36811+357#23490#23133
30K → 20M2372+235#23133#22898
20M → 21M10023+77#22898#22821
21M → 35K5211+41#22821#22780
35K → 23M1497+142#22780#22638
23M → 24M5442+12#22638#22626
24M → 40K1193+116#22626#22510
40K → 25.2M355+30#22510#22480
25.2M → Finish6732+35#22480#22445
TOTALS2426318+2108
📊

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