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BOSTON MARATHON 2024

Che Hao Lei

Bib: 2540•M

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0:00
/ mi
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:27
Rank: #11163
Start → 5K
23:27 | 7:33/mi
10K· 6.21 mi
47:40
Rank: #11840 (-677)
5K → 10K
24:13 | 7:48/mi
15K· 9.32 mi
1:12:37
Rank: #12448 (-608)
10K → 15K
24:57 | 8:02/mi
20K· 12.43 mi
1:38:53
Rank: #13061 (-613)
15K → 20K
26:16 | 8:27/mi
Half· 13.11 mi
1:44:43
Rank: #13279 (-218)
20K → Half
5:50 | 8:33/mi
25K· 15.53 mi
2:05:09
Rank: #13108 (+171)
Half → 25K
20:26 | 8:26/mi
30K· 18.64 mi
2:32:38
Rank: #12882 (+226)
25K → 30K
27:29 | 8:51/mi
20M
2:45:22
Rank: #12923 (-41)
30K → 20M
12:44 | 9:22/mi
21M
2:56:17
Rank: #13188 (-265)
20M → 21M
10:55 | 10:55/mi
35K· 21.75 mi
3:03:51
Rank: #13414 (-226)
21M → 35K
7:34 | 10:07/mi
23M
3:17:11
Rank: #13782 (-368)
35K → 23M
13:20 | 10:39/mi
24M
3:26:06
Rank: #13665 (+117)
23M → 24M
8:55 | 8:55/mi
40K· 24.85 mi
3:33:21
Rank: #13410 (+255)
24M → 40K
7:15 | 8:29/mi
25.2M
3:37:14
Rank: #13445 (-35)
40K → 25.2M
3:53 | 11:16/mi
Finish· 26.22 mi
3:47:13
Rank: #13637 (-192)
25.2M → Finish
9:59 | 9:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:43
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time2:02:30
Pace9:21 /mi
📊Positive Split: 17.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:4723:277:3323:27
7:33
-
10K
6.21 mi10:54:0047:407:4024:13
7:48
+0:15
15K
9.32 mi11:18:571:12:377:4724:57
8:02
+0:14
20K
12.43 mi11:45:131:38:537:5726:16
8:27
+0:25
Half
13.11 mi11:51:031:44:437:595:50
8:33
+0:06
25K
15.53 mi12:11:292:05:098:0320:26
8:26
-0:07
30K
18.64 mi12:38:582:32:388:1127:29
8:51
+0:25
20M
20.00 mi12:51:422:45:228:1612:44
9:22
+0:31
21M
21.00 mi13:02:372:56:178:2410:55
10:55
+1:33
35K
21.75 mi13:10:113:03:518:277:34
10:07
-0:48
23M
23.00 mi13:23:313:17:118:3413:20
10:39
+0:32
24M
24.00 mi13:32:263:26:068:358:55
8:55
-1:44
40K
24.85 mi13:39:413:33:218:357:15
8:29
-0:26
25.2M
25.20 mi13:43:343:37:148:373:53
11:16
+2:47
Finish
26.22 mi13:53:333:47:138:409:59
9:48
-1:28

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

7:33 /mi

Average Pace

8:40 /mi

Slowest Pace

11:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:37

32% of race

Time at Steady Pace

1:48:55

48% of race

Time at Slower Pace

45:41

20% of race

Average Pace: 8:40 /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 mi10:29:4723:277:3323:27
7:33
#11163
10K
6.21 mi10:54:0047:407:4024:13
7:48
#11840
15K
9.32 mi11:18:571:12:377:4724:57
8:02
#12448
20K
12.43 mi11:45:131:38:537:5726:16
8:27
#13061
Half
13.11 mi11:51:031:44:437:595:50
8:33
#13279
25K
15.53 mi12:11:292:05:098:0320:26
8:26
#13108
30K
18.64 mi12:38:582:32:388:1127:29
8:51
#12882
20M
20.00 mi12:51:422:45:228:1612:44
9:22
#12923
21M
21.00 mi13:02:372:56:178:2410:55
10:55
#13188
35K
21.75 mi13:10:113:03:518:277:34
10:07
#13414
23M
23.00 mi13:23:313:17:118:3413:20
10:39
#13782
24M
24.00 mi13:32:263:26:068:358:55
8:55
#13665
40K
24.85 mi13:39:413:33:218:357:15
8:29
#13410
25.2M
25.20 mi13:43:343:37:148:373:53
11:16
#13445
Finish
26.22 mi13:53:333:47:138:409:59
9:48
#13637
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi111638489848913654(Top 53%)9464(Top 65%)9464(Top 195%)
10K6.21 mi3.10 mi11840-6778731-2428731-24212592(Top 49%)9031(Top 62%)9031(Top 186%)
15K9.32 mi3.11 mi12448-6088981-2508981-25013654(Top 53%)9464(Top 65%)9464(Top 195%)
20K12.43 mi3.11 mi13061-6139218-2379218-23714550(Top 57%)9768(Top 67%)9768(Top 201%)
Half13.11 mi0.68 mi13279-2189294-769294-7615956(Top 62%)10305(Top 71%)10305(Top 213%)
25K15.53 mi2.42 mi13108+1719207+879207+8712656(Top 50%)8770(Top 60%)8770(Top 181%)
30K18.64 mi3.11 mi12882+2269016+1919016+19112425(Top 49%)8442(Top 58%)8442(Top 174%)
20M20.00 mi1.36 mi12923-418963+538963+5313940(Top 55%)8817(Top 60%)8817(Top 182%)
21M21.00 mi1.00 mi13188-2659009-469009-4616105(Top 63%)9687(Top 66%)9687(Top 200%)
35K21.75 mi0.75 mi13414-2269080-719080-7117500(Top 68%)10365(Top 71%)10365(Top 214%)
23M23.00 mi1.25 mi13782-3689184-1049184-10417423(Top 68%)10266(Top 70%)10266(Top 212%)
24M24.00 mi1.00 mi13665+1179092+929092+9211713(Top 46%)7426(Top 51%)7426(Top 153%)
40K24.85 mi0.85 mi13410+2558938+1548938+1548241(Top 32%)5532(Top 38%)5532(Top 114%)
25.2M25.20 mi0.35 mi13445-358938893815302(Top 60%)9084(Top 62%)9084(Top 187%)
Finish26.22 mi1.02 mi13637-1928986-488986-4817685(Top 69%)10289(Top 71%)10289(Top 212%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

13654

Males

9464

M18-39

9464

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

12592

Males

9031

M18-39

9031

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

13654

Males

9464

M18-39

9464

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

14550

Males

9768

M18-39

9768

20K→Half

12.4 - 13.1 mi

Top 62%
×2stories
+19ft-37ft

Overall

15956

Males

10305

M18-39

10305

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

12656

Males

8770

M18-39

8770

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

12425

Males

8442

M18-39

8442

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

13940

Males

8817

M18-39

8817

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

16105

Males

9687

M18-39

9687

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

17500

Males

10365

M18-39

10365

35K→23M

21.8 - 23.0 mi

Top 68%
×5stories
+23ft-63ft

Overall

17423

Males

10266

M18-39

10266

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

11713

Males

7426

M18-39

7426

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8241

Males

5532

M18-39

5532

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15302

Males

9084

M18-39

9084

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2stories
+22ft-21ft

Overall

17685

Males

10289

M18-39

10289

Passing Analysis

Category:
Athletes Passed
1784
Passed By
4258
Net Change
-2474
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11163
5K → 10K94771-677#11163#11840
10K → 15K91699-608#11840#12448
15K → 20K116729-613#12448#13061
20K → Half23241-218#13061#13279
Half → 25K322151+171#13279#13108
25K → 30K380154+226#13108#12882
30K → 20M130171-41#12882#12923
20M → 21M63328-265#12923#13188
21M → 35K42268-226#13188#13414
35K → 23M38406-368#13414#13782
23M → 24M14831+117#13782#13665
24M → 40K2616+255#13665#13410
40K → 25.2M3772-35#13410#13445
25.2M → Finish39231-192#13445#13637
TOTALS17844258-2474
📊

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