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BOSTON MARATHON 2024

Shan Ching Chan

Bib: 3189•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 11%
Gender (Male)
#0 / 14578
Top 18%
Masters (Masters Men)
#0 / 9729
Top 8%
Division (M45-49)
#0 / 2218
Top 10%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:10
Rank: #5729
Start → 5K
21:10 | 6:49/mi
10K· 6.21 mi
42:32
Rank: #5747 (-18)
5K → 10K
21:22 | 6:53/mi
15K· 9.32 mi
1:03:57
Rank: #5658 (+89)
10K → 15K
21:25 | 6:54/mi
20K· 12.43 mi
1:25:13
Rank: #5234 (+424)
15K → 20K
21:16 | 6:51/mi
Half· 13.11 mi
1:29:51
Rank: #5189 (+45)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:46:35
Rank: #4827 (+362)
Half → 25K
16:44 | 6:54/mi
30K· 18.64 mi
2:08:37
Rank: #4419 (+408)
25K → 30K
22:02 | 7:06/mi
20M
2:18:16
Rank: #4190 (+229)
30K → 20M
9:39 | 7:06/mi
21M
2:25:34
Rank: #3913 (+277)
20M → 21M
7:18 | 7:18/mi
35K· 21.75 mi
2:30:35
Rank: #3770 (+143)
21M → 35K
5:01 | 6:42/mi
23M
2:38:56
Rank: #3460 (+310)
35K → 23M
8:21 | 6:40/mi
24M
2:45:20
Rank: #3221 (+239)
23M → 24M
6:24 | 6:24/mi
40K· 24.85 mi
2:50:57
Rank: #3063 (+158)
24M → 40K
5:37 | 6:34/mi
25.2M
2:53:27
Rank: #2985 (+78)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
2:59:59
Rank: #2888 (+97)
25.2M → Finish
6:32 | 6:25/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:51
Pace6:51 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:30:08
Pace6:53 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4121:106:4921:10
6:49
-
10K
6.21 mi10:44:0342:326:5121:22
6:53
+0:04
15K
9.32 mi11:05:281:03:576:5221:25
6:54
+0:01
20K
12.43 mi11:26:441:25:136:5121:16
6:51
-0:03
Half
13.11 mi11:31:221:29:516:514:38
6:47
-0:04
25K
15.53 mi11:48:061:46:356:5216:44
6:54
+0:07
30K
18.64 mi12:10:082:08:376:5422:02
7:06
+0:12
20M
20.00 mi12:19:472:18:166:559:39
7:06
0:00
21M
21.00 mi12:27:052:25:346:567:18
7:18
+0:12
35K
21.75 mi12:32:062:30:356:555:01
6:42
-0:36
23M
23.00 mi12:40:272:38:566:558:21
6:40
-0:02
24M
24.00 mi12:46:512:45:206:536:24
6:24
-0:16
40K
24.85 mi12:52:282:50:576:535:37
6:34
+0:10
25.2M
25.20 mi12:54:582:53:276:532:30
7:15
+0:41
Finish
26.22 mi13:01:302:59:596:526:32
6:25
-0:50

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

6:24 /mi

Average Pace

6:52 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:30

77% of race

Time at Steady Pace

41:29

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:52 /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 mi10:22:4121:106:4921:10
6:49
#5729
10K
6.21 mi10:44:0342:326:5121:22
6:53
#5747
15K
9.32 mi11:05:281:03:576:5221:25
6:54
#5658
20K
12.43 mi11:26:441:25:136:5121:16
6:51
#5234
Half
13.11 mi11:31:221:29:516:514:38
6:47
#5189
25K
15.53 mi11:48:061:46:356:5216:44
6:54
#4827
30K
18.64 mi12:10:082:08:376:5422:02
7:06
#4419
20M
20.00 mi12:19:472:18:166:559:39
7:06
#4190
21M
21.00 mi12:27:052:25:346:567:18
7:18
#3913
35K
21.75 mi12:32:062:30:356:555:01
6:42
#3770
23M
23.00 mi12:40:272:38:566:558:21
6:40
#3460
24M
24.00 mi12:46:512:45:206:536:24
6:24
#3221
40K
24.85 mi12:52:282:50:576:535:37
6:34
#3063
25.2M
25.20 mi12:54:582:53:276:532:30
7:15
#2985
Finish
26.22 mi13:01:302:59:596:526:32
6:25
#2888
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5729522252225486(Top 21%)4992(Top 34%)4992(Top 225%)
10K6.21 mi3.10 mi5747-185243-215243-215818(Top 23%)5272(Top 36%)5272(Top 238%)
15K9.32 mi3.11 mi5658+895168+755168+755486(Top 21%)4992(Top 34%)4992(Top 225%)
20K12.43 mi3.11 mi5234+4244816+3524816+3524202(Top 16%)3906(Top 27%)3906(Top 176%)
Half13.11 mi0.68 mi5189+454776+404776+404377(Top 17%)4043(Top 28%)4043(Top 182%)
25K15.53 mi2.42 mi4827+3624457+3194457+3193780(Top 15%)3509(Top 24%)3509(Top 158%)
30K18.64 mi3.11 mi4419+4084085+3724085+3723299(Top 13%)3036(Top 21%)3036(Top 137%)
20M20.00 mi1.36 mi4190+2293885+2003885+2002775(Top 11%)2556(Top 18%)2556(Top 115%)
21M21.00 mi1.00 mi3913+2773633+2523633+2521868(Top 7%)1749(Top 12%)1749(Top 79%)
35K21.75 mi0.75 mi3770+1433505+1283505+1281928(Top 8%)1786(Top 12%)1786(Top 81%)
23M23.00 mi1.25 mi3460+3103222+2833222+283999(Top 4%)943(Top 6%)943(Top 43%)
24M24.00 mi1.00 mi3221+2393005+2173005+217785(Top 3%)740(Top 5%)740(Top 33%)
40K24.85 mi0.85 mi3063+1582859+1462859+146862(Top 3%)802(Top 6%)802(Top 36%)
25.2M25.20 mi0.35 mi2985+782785+742785+74975(Top 4%)902(Top 6%)902(Top 41%)
Finish26.22 mi1.02 mi2888+972692+932692+931166(Top 5%)1068(Top 7%)1068(Top 48%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5486

Males

4992

M45-49

4992

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

5818

Males

5272

M45-49

5272

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5486

Males

4992

M45-49

4992

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4202

Males

3906

M45-49

3906

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4377

Males

4043

M45-49

4043

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

3780

Males

3509

M45-49

3509

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3299

Males

3036

M45-49

3036

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2775

Males

2556

M45-49

2556

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1868

Males

1749

M45-49

1749

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

1928

Males

1786

M45-49

1786

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

999

Males

943

M45-49

943

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

785

Males

740

M45-49

740

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

862

Males

802

M45-49

802

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

975

Males

902

M45-49

902

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1166

Males

1068

M45-49

1068

Passing Analysis

Category:
Athletes Passed
3195
Passed By
354
Net Change
+2841
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5729
5K → 10K176194-18#5729#5747
10K → 15K17990+89#5747#5658
15K → 20K4284+424#5658#5234
20K → Half505+45#5234#5189
Half → 25K38422+362#5189#4827
25K → 30K43022+408#4827#4419
30K → 20M2389+229#4419#4190
20M → 21M2792+277#4190#3913
21M → 35K1430+143#3913#3770
35K → 23M3100+310#3770#3460
23M → 24M2390+239#3460#3221
24M → 40K1591+158#3221#3063
40K → 25.2M780+78#3063#2985
25.2M → Finish1025+97#2985#2888
TOTALS3195354+2841
📊

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