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BOSTON MARATHON 2024

Sheng Fu Cheng

Bib: 12845•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 42%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 44%
Division (M55-59)
#0 / 1529
Top 32%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:05
Rank: #10184
Start → 5K
23:05 | 7:26/mi
10K· 6.21 mi
46:24
Rank: #10198 (-14)
5K → 10K
23:19 | 7:30/mi
15K· 9.32 mi
1:10:22
Rank: #10570 (-372)
10K → 15K
23:58 | 7:43/mi
20K· 12.43 mi
1:34:55
Rank: #10677 (-107)
15K → 20K
24:33 | 7:54/mi
Half· 13.11 mi
1:40:12
Rank: #10685 (-8)
20K → Half
5:17 | 7:45/mi
25K· 15.53 mi
2:00:20
Rank: #10902 (-217)
Half → 25K
20:08 | 8:18/mi
30K· 18.64 mi
2:27:18
Rank: #10947 (-45)
25K → 30K
26:58 | 8:41/mi
20M
2:39:29
Rank: #10986 (-39)
30K → 20M
12:11 | 8:58/mi
21M
2:49:14
Rank: #11016 (-30)
20M → 21M
9:45 | 9:45/mi
35K· 21.75 mi
2:55:25
Rank: #10901 (+115)
21M → 35K
6:11 | 8:16/mi
23M
3:06:33
Rank: #10870 (+31)
35K → 23M
11:08 | 8:54/mi
24M
3:15:10
Rank: #10797 (+73)
23M → 24M
8:37 | 8:37/mi
40K· 24.85 mi
3:22:46
Rank: #10736 (+61)
24M → 40K
7:36 | 8:53/mi
25.2M
3:26:18
Rank: #10742 (-6)
40K → 25.2M
3:32 | 10:15/mi
Finish· 26.22 mi
3:35:13
Rank: #10818 (-76)
25.2M → Finish
8:55 | 8:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:12
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:55:01
Pace8:46 /mi
📊Positive Split: 14.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2223:057:2623:05
7:26
-
10K
6.21 mi11:14:4146:247:2823:19
7:30
+0:04
15K
9.32 mi11:38:391:10:227:3323:58
7:43
+0:13
20K
12.43 mi12:03:121:34:557:3824:33
7:54
+0:11
Half
13.11 mi12:08:291:40:127:395:17
7:45
-0:09
25K
15.53 mi12:28:372:00:207:4520:08
8:18
+0:33
30K
18.64 mi12:55:352:27:187:5426:58
8:41
+0:23
20M
20.00 mi13:07:462:39:297:5812:11
8:58
+0:17
21M
21.00 mi13:17:312:49:148:049:45
9:45
+0:47
35K
21.75 mi13:23:422:55:258:046:11
8:16
-1:29
23M
23.00 mi13:34:503:06:338:0711:08
8:54
+0:38
24M
24.00 mi13:43:273:15:108:088:37
8:37
-0:17
40K
24.85 mi13:51:033:22:468:097:36
8:53
+0:16
25.2M
25.20 mi13:54:353:26:188:113:32
10:15
+1:22
Finish
26.22 mi14:03:303:35:138:138:55
8:45
-1:30

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

7:26 /mi

Average Pace

8:13 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:12

47% of race

Time at Steady Pace

1:41:44

47% of race

Time at Slower Pace

13:17

6% of race

Average Pace: 8:12 /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 mi10:51:2223:057:2623:05
7:26
#10184
10K
6.21 mi11:14:4146:247:2823:19
7:30
#10198
15K
9.32 mi11:38:391:10:227:3323:58
7:43
#10570
20K
12.43 mi12:03:121:34:557:3824:33
7:54
#10677
Half
13.11 mi12:08:291:40:127:395:17
7:45
#10685
25K
15.53 mi12:28:372:00:207:4520:08
8:18
#10902
30K
18.64 mi12:55:352:27:187:5426:58
8:41
#10947
20M
20.00 mi13:07:462:39:297:5812:11
8:58
#10986
21M
21.00 mi13:17:312:49:148:049:45
9:45
#11016
35K
21.75 mi13:23:422:55:258:046:11
8:16
#10901
23M
23.00 mi13:34:503:06:338:0711:08
8:54
#10870
24M
24.00 mi13:43:273:15:108:088:37
8:37
#10797
40K
24.85 mi13:51:033:22:468:097:36
8:53
#10736
25.2M
25.20 mi13:54:353:26:188:113:32
10:15
#10742
Finish
26.22 mi14:03:303:35:138:138:55
8:45
#10818
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi101848058805811291(Top 44%)8424(Top 58%)8424(Top 551%)
10K6.21 mi3.10 mi10198-148023+358023+3510301(Top 40%)8031(Top 55%)8031(Top 525%)
15K9.32 mi3.11 mi10570-3728154-1318154-13111291(Top 44%)8424(Top 58%)8424(Top 551%)
20K12.43 mi3.11 mi10677-1078163-98163-911128(Top 44%)8222(Top 56%)8222(Top 538%)
Half13.11 mi0.68 mi10685-88153+108153+1010873(Top 43%)8114(Top 56%)8114(Top 531%)
25K15.53 mi2.42 mi10902-2178195-428195-4211985(Top 47%)8446(Top 58%)8446(Top 552%)
30K18.64 mi3.11 mi10947-458121+748121+7411578(Top 45%)8052(Top 55%)8052(Top 527%)
20M20.00 mi1.36 mi10986-398086+358086+3511919(Top 47%)7909(Top 54%)7909(Top 517%)
21M21.00 mi1.00 mi11016-308051+358051+3511896(Top 47%)7661(Top 53%)7661(Top 501%)
35K21.75 mi0.75 mi10901+1157951+1007951+1009342(Top 37%)6434(Top 44%)6434(Top 421%)
23M23.00 mi1.25 mi10870+317882+697882+6910599(Top 41%)6866(Top 47%)6866(Top 449%)
24M24.00 mi1.00 mi10797+737802+807802+8010123(Top 40%)6594(Top 45%)6594(Top 431%)
40K24.85 mi0.85 mi10736+617713+897713+8910305(Top 40%)6564(Top 45%)6564(Top 429%)
25.2M25.20 mi0.35 mi10742-67697+167697+1611868(Top 46%)7306(Top 50%)7306(Top 478%)
Finish26.22 mi1.02 mi10818-767690+77690+712884(Top 50%)7943(Top 54%)7943(Top 519%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

11291

Males

8424

M55-59

8424

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

10301

Males

8031

M55-59

8031

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

11291

Males

8424

M55-59

8424

15K→20K

9.3 - 12.4 mi

Top 44%
×5stories
+106ft-86ft

Overall

11128

Males

8222

M55-59

8222

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

10873

Males

8114

M55-59

8114

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

11985

Males

8446

M55-59

8446

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

11578

Males

8052

M55-59

8052

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

11919

Males

7909

M55-59

7909

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

11896

Males

7661

M55-59

7661

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

9342

Males

6434

M55-59

6434

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

10599

Males

6866

M55-59

6866

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

10123

Males

6594

M55-59

6594

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10305

Males

6564

M55-59

6564

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

11868

Males

7306

M55-59

7306

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

12884

Males

7943

M55-59

7943

Passing Analysis

Category:
Athletes Passed
1949*
Passed By
2583
Net Change
-634
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10184
5K → 10K269*283-14#10184#10198
10K → 15K102474-372#10198#10570
15K → 20K189296-107#10570#10677
20K → Half4755-8#10677#10685
Half → 25K172389-217#10685#10902
25K → 30K273318-45#10902#10947
30K → 20M118157-39#10947#10986
20M → 21M142172-30#10986#11016
21M → 35K13823+115#11016#10901
35K → 23M145114+31#10901#10870
23M → 24M13562+73#10870#10797
24M → 40K12059+61#10797#10736
40K → 25.2M3642-6#10736#10742
25.2M → Finish63139-76#10742#10818
TOTALS1949*2583-634

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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