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BOSTON MARATHON 2024

Weimin Bai

Bib: 14525•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
24:25
Rank: #13555
Start → 5K
24:25 | 7:52/mi
10K· 6.21 mi
50:24
Rank: #15182 (-1627)
5K → 10K
25:59 | 8:22/mi
15K· 9.32 mi
1:17:42
Rank: #16138 (-956)
10K → 15K
27:18 | 8:47/mi
20K· 12.43 mi
1:46:02
Rank: #16601 (-463)
15K → 20K
28:20 | 9:07/mi
Half· 13.11 mi
1:52:12
Rank: #16714 (-113)
20K → Half
6:10 | 9:02/mi
25K· 15.53 mi
2:14:45
Rank: #16710 (+4)
Half → 25K
22:33 | 9:18/mi
30K· 18.64 mi
2:44:22
Rank: #16482 (+228)
25K → 30K
29:37 | 9:32/mi
20M
2:57:06
Rank: #16279 (+203)
30K → 20M
12:44 | 9:22/mi
21M
3:07:25
Rank: #16181 (+98)
20M → 21M
10:19 | 10:19/mi
35K· 21.75 mi
3:14:21
Rank: #16124 (+57)
21M → 35K
6:56 | 9:16/mi
23M
3:26:00
Rank: #15905 (+219)
35K → 23M
11:39 | 9:18/mi
24M
3:35:11
Rank: #15757 (+148)
23M → 24M
9:11 | 9:11/mi
40K· 24.85 mi
3:43:03
Rank: #15595 (+162)
24M → 40K
7:52 | 9:12/mi
25.2M
3:46:14
Rank: #15447 (+148)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:54:54
Rank: #15279 (+168)
25.2M → Finish
8:40 | 8:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:12
Pace8:34 /mi
2nd Half
Distance13.11 mi
Time2:02:42
Pace9:22 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:1124:257:5224:25
7:52
-
10K
6.21 mi11:22:1050:248:0725:59
8:22
+0:30
15K
9.32 mi11:49:281:17:428:2027:18
8:47
+0:25
20K
12.43 mi12:17:481:46:028:3228:20
9:07
+0:20
Half
13.11 mi12:23:581:52:128:346:10
9:02
-0:05
25K
15.53 mi12:46:312:14:458:4022:33
9:18
+0:16
30K
18.64 mi13:16:082:44:228:4929:37
9:32
+0:14
20M
20.00 mi13:28:522:57:068:5112:44
9:22
-0:10
21M
21.00 mi13:39:113:07:258:5510:19
10:19
+0:57
35K
21.75 mi13:46:073:14:218:566:56
9:16
-1:03
23M
23.00 mi13:57:463:26:008:5711:39
9:18
+0:02
24M
24.00 mi14:06:573:35:118:589:11
9:11
-0:07
40K
24.85 mi14:14:493:43:038:587:52
9:12
+0:01
25.2M
25.20 mi14:18:003:46:148:593:11
9:14
+0:02
Finish
26.22 mi14:26:403:54:548:588:40
8:30
-0:44

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

7:52 /mi

Average Pace

8:58 /mi

Slowest Pace

10:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:22

37% of race

Time at Steady Pace

1:48:36

46% of race

Time at Slower Pace

39:56

17% of race

Average Pace: 8:58 /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 mi10:56:1124:257:5224:25
7:52
#13555
10K
6.21 mi11:22:1050:248:0725:59
8:22
#15182
15K
9.32 mi11:49:281:17:428:2027:18
8:47
#16138
20K
12.43 mi12:17:481:46:028:3228:20
9:07
#16601
Half
13.11 mi12:23:581:52:128:346:10
9:02
#16714
25K
15.53 mi12:46:312:14:458:4022:33
9:18
#16710
30K
18.64 mi13:16:082:44:228:4929:37
9:32
#16482
20M
20.00 mi13:28:522:57:068:5112:44
9:22
#16279
21M
21.00 mi13:39:113:07:258:5510:19
10:19
#16181
35K
21.75 mi13:46:073:14:218:566:56
9:16
#16124
23M
23.00 mi13:57:463:26:008:5711:39
9:18
#15905
24M
24.00 mi14:06:573:35:118:589:11
9:11
#15757
40K
24.85 mi14:14:493:43:038:587:52
9:12
#15595
25.2M
25.20 mi14:18:003:46:148:593:11
9:14
#15447
Finish
26.22 mi14:26:403:54:548:588:40
8:30
#15279
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi135559489948917908(Top 70%)11202(Top 77%)11202(Top 733%)
10K6.21 mi3.10 mi15182-162710101-61210101-61216487(Top 65%)10631(Top 73%)10631(Top 695%)
15K9.32 mi3.11 mi16138-95610466-36510466-36517908(Top 70%)11202(Top 77%)11202(Top 733%)
20K12.43 mi3.11 mi16601-46310637-17110637-17117841(Top 70%)11181(Top 77%)11181(Top 731%)
Half13.11 mi0.68 mi16714-11310673-3610673-3618403(Top 72%)11349(Top 78%)11349(Top 742%)
25K15.53 mi2.42 mi16710+410648+2510648+2516803(Top 66%)10614(Top 73%)10614(Top 694%)
30K18.64 mi3.11 mi16482+22810486+16210486+16215577(Top 61%)9818(Top 67%)9818(Top 642%)
20M20.00 mi1.36 mi16279+20310370+11610370+11613946(Top 55%)8823(Top 61%)8823(Top 577%)
21M21.00 mi1.00 mi16181+9810296+7410296+7414179(Top 55%)8742(Top 60%)8742(Top 572%)
35K21.75 mi0.75 mi16124+5710241+5510241+5514550(Top 57%)8903(Top 61%)8903(Top 582%)
23M23.00 mi1.25 mi15905+21910108+13310108+13312612(Top 49%)7865(Top 54%)7865(Top 514%)
24M24.00 mi1.00 mi15757+14810017+9110017+9113025(Top 51%)8057(Top 55%)8057(Top 527%)
40K24.85 mi0.85 mi15595+1629908+1099908+10911795(Top 46%)7338(Top 50%)7338(Top 480%)
25.2M25.20 mi0.35 mi15447+1489824+849824+847616(Top 30%)5140(Top 35%)5140(Top 336%)
Finish26.22 mi1.02 mi15279+1689727+979727+9711534(Top 45%)7272(Top 50%)7272(Top 476%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

17908

Males

11202

M55-59

11202

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

16487

Males

10631

M55-59

10631

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

17908

Males

11202

M55-59

11202

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

17841

Males

11181

M55-59

11181

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

18403

Males

11349

M55-59

11349

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

16803

Males

10614

M55-59

10614

25K→30K

15.5 - 18.6 mi

Top 61%
×9stories
+181ft-148ft

Overall

15577

Males

9818

M55-59

9818

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

13946

Males

8823

M55-59

8823

20M→21M

20.0 - 21.0 mi

Top 55%
×8stories
+106ft-24ft

Overall

14179

Males

8742

M55-59

8742

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

14550

Males

8903

M55-59

8903

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

12612

Males

7865

M55-59

7865

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

13025

Males

8057

M55-59

8057

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

11795

Males

7338

M55-59

7338

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

7616

Males

5140

M55-59

5140

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

11534

Males

7272

M55-59

7272

Passing Analysis

Category:
Athletes Passed
2174
Passed By
3898
Net Change
-1724
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13555
5K → 10K321659-1627#13555#15182
10K → 15K631019-956#15182#16138
15K → 20K122585-463#16138#16601
20K → Half15128-113#16601#16714
Half → 25K225221+4#16714#16710
25K → 30K344116+228#16710#16482
30K → 20M22825+203#16482#16279
20M → 21M15153+98#16279#16181
21M → 35K9942+57#16181#16124
35K → 23M23617+219#16124#15905
23M → 24M16012+148#15905#15757
24M → 40K1686+162#15757#15595
40K → 25.2M1491+148#15595#15447
25.2M → Finish18214+168#15447#15279
TOTALS21743898-1724
📊

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