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BOSTON MARATHON 2025

Michael Chan

Bib: 6647•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 15%
Gender (Male)
#0 / 16105
Top 25%
Masters (Masters Men)
#0 / 10463
Top 11%
Division (M40-44)
#0 / 2247
Top 29%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:04
Rank: #6161
Start → 5K
21:04 | 6:47/mi
10K· 6.21 mi
42:06
Rank: #6060 (+101)
5K → 10K
21:02 | 6:46/mi
15K· 9.32 mi
1:03:02
Rank: #5844 (+216)
10K → 15K
20:56 | 6:44/mi
20K· 12.43 mi
1:24:00
Rank: #5564 (+280)
15K → 20K
20:58 | 6:45/mi
Half· 13.11 mi
1:28:32
Rank: #5514 (+50)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:44:56
Rank: #5317 (+197)
Half → 25K
16:24 | 6:46/mi
30K· 18.64 mi
2:06:14
Rank: #4928 (+389)
25K → 30K
21:18 | 6:51/mi
20M
2:15:36
Rank: #4777 (+151)
30K → 20M
9:22 | 6:54/mi
21M
2:22:59
Rank: #4675 (+102)
20M → 21M
7:23 | 7:23/mi
35K· 21.75 mi
2:28:06
Rank: #4638 (+37)
21M → 35K
5:07 | 6:50/mi
23M
2:36:50
Rank: #4528 (+110)
35K → 23M
8:44 | 6:59/mi
24M
2:43:39
Rank: #4463 (+65)
23M → 24M
6:49 | 6:49/mi
40K· 24.85 mi
2:49:38
Rank: #4418 (+45)
24M → 40K
5:59 | 7:00/mi
25.2M
2:52:11
Rank: #4379 (+39)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:59:03
Rank: #4362 (+17)
25.2M → Finish
6:52 | 6:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:32
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:30:31
Pace6:54 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:2921:046:4721:04
6:47
-
10K
6.21 mi10:47:3142:066:4721:02
6:46
-0:01
15K
9.32 mi11:08:271:03:026:4620:56
6:44
-0:02
20K
12.43 mi11:29:251:24:006:4620:58
6:45
+0:01
Half
13.11 mi11:33:571:28:326:454:32
6:39
-0:06
25K
15.53 mi11:50:211:44:566:4516:24
6:46
+0:07
30K
18.64 mi12:11:392:06:146:4621:18
6:51
+0:05
20M
20.00 mi12:21:012:15:366:479:22
6:54
+0:03
21M
21.00 mi12:28:242:22:596:497:23
7:23
+0:29
35K
21.75 mi12:33:312:28:066:495:07
6:50
-0:33
23M
23.00 mi12:42:152:36:506:498:44
6:59
+0:09
24M
24.00 mi12:49:042:43:396:496:49
6:49
-0:10
40K
24.85 mi12:55:032:49:386:495:59
7:00
+0:11
25.2M
25.20 mi12:57:362:52:116:502:33
7:24
+0:24
Finish
26.22 mi13:04:282:59:036:506:52
6:44
-0:40

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

6:39 /mi

Average Pace

6:50 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:07

94% of race

Time at Steady Pace

9:56

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:50 /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 mi10:26:2921:046:4721:04
6:47
#6161
10K
6.21 mi10:47:3142:066:4721:02
6:46
#6060
15K
9.32 mi11:08:271:03:026:4620:56
6:44
#5844
20K
12.43 mi11:29:251:24:006:4620:58
6:45
#5564
Half
13.11 mi11:33:571:28:326:454:32
6:39
#5514
25K
15.53 mi11:50:211:44:566:4516:24
6:46
#5317
30K
18.64 mi12:11:392:06:146:4621:18
6:51
#4928
20M
20.00 mi12:21:012:15:366:479:22
6:54
#4777
21M
21.00 mi12:28:242:22:596:497:23
7:23
#4675
35K
21.75 mi12:33:312:28:066:495:07
6:50
#4638
23M
23.00 mi12:42:152:36:506:498:44
6:59
#4528
24M
24.00 mi12:49:042:43:396:496:49
6:49
#4463
40K
24.85 mi12:55:032:49:386:495:59
7:00
#4418
25.2M
25.20 mi12:57:362:52:116:502:33
7:24
#4379
Finish
26.22 mi13:04:282:59:036:506:52
6:44
#4362
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6161565156515451(Top 19%)5010(Top 31%)5010(Top 223%)
10K6.21 mi3.10 mi6060+1015559+925559+926049(Top 21%)5526(Top 34%)5526(Top 246%)
15K9.32 mi3.11 mi5844+2165366+1935366+1935451(Top 19%)5010(Top 31%)5010(Top 223%)
20K12.43 mi3.11 mi5564+2805123+2435123+2434836(Top 17%)4475(Top 28%)4475(Top 199%)
Half13.11 mi0.68 mi5514+505077+465077+464832(Top 17%)4492(Top 28%)4492(Top 200%)
25K15.53 mi2.42 mi5317+1974904+1734904+1734599(Top 16%)4244(Top 26%)4244(Top 189%)
30K18.64 mi3.11 mi4928+3894556+3484556+3483794(Top 13%)3508(Top 22%)3508(Top 156%)
20M20.00 mi1.36 mi4777+1514424+1324424+1323495(Top 12%)3231(Top 20%)3231(Top 144%)
21M21.00 mi1.00 mi4675+1024331+934331+934033(Top 14%)3656(Top 23%)3656(Top 163%)
35K21.75 mi0.75 mi4638+374291+404291+404371(Top 15%)3900(Top 24%)3900(Top 174%)
23M23.00 mi1.25 mi4528+1104180+1114180+1113633(Top 13%)3289(Top 20%)3289(Top 146%)
24M24.00 mi1.00 mi4463+654117+634117+633620(Top 13%)3239(Top 20%)3239(Top 144%)
40K24.85 mi0.85 mi4418+454069+484069+483900(Top 14%)3419(Top 21%)3419(Top 152%)
25.2M25.20 mi0.35 mi4379+394032+374032+372984(Top 11%)2663(Top 17%)2663(Top 119%)
Finish26.22 mi1.02 mi4362+174012+204012+204132(Top 15%)3535(Top 22%)3535(Top 157%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5451

Males

5010

M40-44

5010

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

6049

Males

5526

M40-44

5526

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5451

Males

5010

M40-44

5010

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4836

Males

4475

M40-44

4475

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4832

Males

4492

M40-44

4492

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4599

Males

4244

M40-44

4244

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3794

Males

3508

M40-44

3508

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3495

Males

3231

M40-44

3231

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

4033

Males

3656

M40-44

3656

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4371

Males

3900

M40-44

3900

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3633

Males

3289

M40-44

3289

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3620

Males

3239

M40-44

3239

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3900

Males

3419

M40-44

3419

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2984

Males

2663

M40-44

2663

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4132

Males

3535

M40-44

3535

Passing Analysis

Category:
Athletes Passed
2204
Passed By
405
Net Change
+1799
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6161
5K → 10K225124+101#6161#6060
10K → 15K26246+216#6060#5844
15K → 20K30323+280#5844#5564
20K → Half544+50#5564#5514
Half → 25K22225+197#5514#5317
25K → 30K40011+389#5317#4928
30K → 20M1598+151#4928#4777
20M → 21M12624+102#4777#4675
21M → 35K6326+37#4675#4638
35K → 23M13525+110#4638#4528
23M → 24M8621+65#4528#4463
24M → 40K7025+45#4463#4418
40K → 25.2M467+39#4418#4379
25.2M → Finish5336+17#4379#4362
TOTALS2204405+1799
📊

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