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BOSTON MARATHON 2024

Chiehcheng Cheng

Bib: 5646•M

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 40%
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
23:23
Rank: #10971
Start → 5K
23:23 | 7:32/mi
10K· 6.21 mi
46:53
Rank: #10865 (+106)
5K → 10K
23:30 | 7:34/mi
15K· 9.32 mi
1:10:57
Rank: #11053 (-188)
10K → 15K
24:04 | 7:45/mi
20K· 12.43 mi
1:35:11
Rank: #10864 (+189)
15K → 20K
24:14 | 7:48/mi
Half· 13.11 mi
1:40:24
Rank: #10806 (+58)
20K → Half
5:13 | 7:39/mi
25K· 15.53 mi
1:59:21
Rank: #10407 (+399)
Half → 25K
18:57 | 7:49/mi
30K· 18.64 mi
2:24:32
Rank: #9939 (+468)
25K → 30K
25:11 | 8:06/mi
20M
2:35:43
Rank: #9677 (+262)
30K → 20M
11:11 | 8:14/mi
21M
2:44:20
Rank: #9409 (+268)
20M → 21M
8:37 | 8:37/mi
35K· 21.75 mi
2:50:02
Rank: #9215 (+194)
21M → 35K
5:42 | 7:37/mi
23M
3:00:52
Rank: #9149 (+66)
35K → 23M
10:50 | 8:39/mi
24M
3:10:48
Rank: #9565 (-416)
23M → 24M
9:56 | 9:56/mi
40K· 24.85 mi
3:19:48
Rank: #9975 (-410)
24M → 40K
9:00 | 10:32/mi
25.2M
3:23:51
Rank: #10135 (-160)
40K → 25.2M
4:03 | 11:45/mi
Finish· 26.22 mi
3:33:14
Rank: #10327 (-192)
25.2M → Finish
9:23 | 9:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:24
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:52:50
Pace8:36 /mi
📊Positive Split: 12.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:1423:237:3223:23
7:32
-
10K
6.21 mi10:52:4446:537:3323:30
7:34
+0:02
15K
9.32 mi11:16:481:10:577:3724:04
7:45
+0:11
20K
12.43 mi11:41:021:35:117:4024:14
7:48
+0:03
Half
13.11 mi11:46:151:40:247:405:13
7:39
-0:09
25K
15.53 mi12:05:121:59:217:4118:57
7:49
+0:10
30K
18.64 mi12:30:232:24:327:4525:11
8:06
+0:17
20M
20.00 mi12:41:342:35:437:4711:11
8:14
+0:08
21M
21.00 mi12:50:112:44:207:508:37
8:37
+0:23
35K
21.75 mi12:55:532:50:027:495:42
7:37
-1:00
23M
23.00 mi13:06:433:00:527:5210:50
8:39
+1:02
24M
24.00 mi13:16:393:10:487:579:56
9:56
+1:17
40K
24.85 mi13:25:393:19:488:029:00
10:32
+0:36
25.2M
25.20 mi13:29:423:23:518:054:03
11:45
+1:13
Finish
26.22 mi13:39:053:33:148:089:23
9:12
-2:33

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

7:32 /mi

Average Pace

8:08 /mi

Slowest Pace

11:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:00:52

85% of race

Time at Slower Pace

32:22

15% of race

Average Pace: 8:08 /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 mi10:29:1423:237:3223:23
7:32
#10971
10K
6.21 mi10:52:4446:537:3323:30
7:34
#10865
15K
9.32 mi11:16:481:10:577:3724:04
7:45
#11053
20K
12.43 mi11:41:021:35:117:4024:14
7:48
#10864
Half
13.11 mi11:46:151:40:247:405:13
7:39
#10806
25K
15.53 mi12:05:121:59:217:4118:57
7:49
#10407
30K
18.64 mi12:30:232:24:327:4525:11
8:06
#9939
20M
20.00 mi12:41:342:35:437:4711:11
8:14
#9677
21M
21.00 mi12:50:112:44:207:508:37
8:37
#9409
35K
21.75 mi12:55:532:50:027:495:42
7:37
#9215
23M
23.00 mi13:06:433:00:527:5210:50
8:39
#9149
24M
24.00 mi13:16:393:10:487:579:56
9:56
#9565
40K
24.85 mi13:25:393:19:488:029:00
10:32
#9975
25.2M
25.20 mi13:29:423:23:518:054:03
11:45
#10135
Finish
26.22 mi13:39:053:33:148:089:23
9:12
#10327
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi109718399839911520(Top 45%)8522(Top 58%)8522(Top 176%)
10K6.21 mi3.10 mi10865+1068294+1058294+10510791(Top 42%)8240(Top 57%)8240(Top 170%)
15K9.32 mi3.11 mi11053-1888360-668360-6611520(Top 45%)8522(Top 58%)8522(Top 176%)
20K12.43 mi3.11 mi10864+1898250+1108250+11010422(Top 41%)7857(Top 54%)7857(Top 162%)
Half13.11 mi0.68 mi10806+588213+378213+3710151(Top 40%)7751(Top 53%)7751(Top 160%)
25K15.53 mi2.42 mi10407+3997962+2517962+2519015(Top 35%)6987(Top 48%)6987(Top 144%)
30K18.64 mi3.11 mi9939+4687630+3327630+3328479(Top 33%)6486(Top 44%)6486(Top 134%)
20M20.00 mi1.36 mi9677+2627439+1917439+1917991(Top 31%)6001(Top 41%)6001(Top 124%)
21M21.00 mi1.00 mi9409+2687248+1917248+1916777(Top 27%)5151(Top 35%)5151(Top 106%)
35K21.75 mi0.75 mi9215+1947119+1297119+1295682(Top 22%)4510(Top 31%)4510(Top 93%)
23M23.00 mi1.25 mi9149+667025+947025+949288(Top 36%)6243(Top 43%)6243(Top 129%)
24M24.00 mi1.00 mi9565-4167181-1567181-15616062(Top 63%)9545(Top 65%)9545(Top 197%)
40K24.85 mi0.85 mi9975-4107356-1757356-17516748(Top 66%)9815(Top 67%)9815(Top 202%)
25.2M25.20 mi0.35 mi10135-1607408-527408-5216652(Top 65%)9746(Top 67%)9746(Top 201%)
Finish26.22 mi1.02 mi10327-1927463-557463-5515172(Top 59%)9055(Top 62%)9055(Top 187%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

11520

Males

8522

M18-39

8522

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

10791

Males

8240

M18-39

8240

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

11520

Males

8522

M18-39

8522

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

10422

Males

7857

M18-39

7857

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

10151

Males

7751

M18-39

7751

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

9015

Males

6987

M18-39

6987

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8479

Males

6486

M18-39

6486

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

7991

Males

6001

M18-39

6001

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

6777

Males

5151

M18-39

5151

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

5682

Males

4510

M18-39

4510

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

9288

Males

6243

M18-39

6243

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

16062

Males

9545

M18-39

9545

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

16748

Males

9815

M18-39

9815

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

16652

Males

9746

M18-39

9746

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

15172

Males

9055

M18-39

9055

Passing Analysis

Category:
Athletes Passed
2886
Passed By
2240
Net Change
+644
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10971
5K → 10K341235+106#10971#10865
10K → 15K148336-188#10865#11053
15K → 20K307118+189#11053#10864
20K → Half7719+58#10864#10806
Half → 25K44849+399#10806#10407
25K → 30K52961+468#10407#9939
30K → 20M28826+262#9939#9677
20M → 21M28517+268#9677#9409
21M → 35K1962+194#9409#9215
35K → 23M172106+66#9215#9149
23M → 24M26442-416#9149#9565
24M → 40K14424-410#9565#9975
40K → 25.2M9167-160#9975#10135
25.2M → Finish46238-192#10135#10327
TOTALS28862240+644
📊

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