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BOSTON MARATHON 2025

Michael Yu

Bib: 8614•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 28%
Masters (Masters Men)
#0 / 10463
Top 14%
Division (M50-54)
#0 / 1996
Top 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:24
Rank: #4305
Start → 5K
20:24 | 6:34/mi
10K· 6.21 mi
40:47
Rank: #4230 (+75)
5K → 10K
20:23 | 6:34/mi
15K· 9.32 mi
1:01:14
Rank: #4169 (+61)
10K → 15K
20:27 | 6:35/mi
20K· 12.43 mi
1:21:55
Rank: #4097 (+72)
15K → 20K
20:41 | 6:39/mi
Half· 13.11 mi
1:26:26
Rank: #4111 (-14)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:42:43
Rank: #4084 (+27)
Half → 25K
16:17 | 6:43/mi
30K· 18.64 mi
2:04:15
Rank: #4041 (+43)
25K → 30K
21:32 | 6:56/mi
20M
2:13:58
Rank: #4097 (-56)
30K → 20M
9:43 | 7:09/mi
21M
2:21:34
Rank: #4148 (-51)
20M → 21M
7:36 | 7:36/mi
35K· 21.75 mi
2:26:44
Rank: #4154 (-6)
21M → 35K
5:10 | 6:54/mi
23M
2:35:55
Rank: #4223 (-69)
35K → 23M
9:11 | 7:20/mi
24M
2:43:09
Rank: #4280 (-57)
23M → 24M
7:14 | 7:14/mi
40K· 24.85 mi
2:49:32
Rank: #4386 (-106)
24M → 40K
6:23 | 7:28/mi
25.2M
2:52:29
Rank: #4472 (-86)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:00:45
Rank: #4860 (-388)
25.2M → Finish
8:16 | 8:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:26
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:34:19
Pace7:12 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:4420:246:3420:24
6:34
-
10K
6.21 mi11:06:0740:476:3420:23
6:34
0:00
15K
9.32 mi11:26:341:01:146:3420:27
6:35
+0:01
20K
12.43 mi11:47:151:21:556:3520:41
6:39
+0:04
Half
13.11 mi11:51:461:26:266:364:31
6:37
-0:02
25K
15.53 mi12:08:031:42:436:3716:17
6:43
+0:06
30K
18.64 mi12:29:352:04:156:4021:32
6:56
+0:13
20M
20.00 mi12:39:182:13:586:429:43
7:09
+0:13
21M
21.00 mi12:46:542:21:346:447:36
7:36
+0:27
35K
21.75 mi12:52:042:26:446:455:10
6:54
-0:42
23M
23.00 mi13:01:152:35:556:479:11
7:20
+0:26
24M
24.00 mi13:08:292:43:096:487:14
7:14
-0:06
40K
24.85 mi13:14:522:49:326:496:23
7:28
+0:14
25.2M
25.20 mi13:17:492:52:296:512:57
8:33
+1:05
Finish
26.22 mi13:26:053:00:456:548:16
8:07
-0:26

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

6:34 /mi

Average Pace

6:54 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:05:45

36% of race

Time at Steady Pace

1:13:23

41% of race

Time at Slower Pace

41:37

23% of race

Average Pace: 6:54 /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 mi10:45:4420:246:3420:24
6:34
#4305
10K
6.21 mi11:06:0740:476:3420:23
6:34
#4230
15K
9.32 mi11:26:341:01:146:3420:27
6:35
#4169
20K
12.43 mi11:47:151:21:556:3520:41
6:39
#4097
Half
13.11 mi11:51:461:26:266:364:31
6:37
#4111
25K
15.53 mi12:08:031:42:436:3716:17
6:43
#4084
30K
18.64 mi12:29:352:04:156:4021:32
6:56
#4041
20M
20.00 mi12:39:182:13:586:429:43
7:09
#4097
21M
21.00 mi12:46:542:21:346:447:36
7:36
#4148
35K
21.75 mi12:52:042:26:446:455:10
6:54
#4154
23M
23.00 mi13:01:152:35:556:479:11
7:20
#4223
24M
24.00 mi13:08:292:43:096:487:14
7:14
#4280
40K
24.85 mi13:14:522:49:326:496:23
7:28
#4386
25.2M
25.20 mi13:17:492:52:296:512:57
8:33
#4472
Finish
26.22 mi13:26:053:00:456:548:16
8:07
#4860
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi4305404640464087(Top 14%)3846(Top 24%)3846(Top 193%)
10K6.21 mi3.10 mi4230+753979+673979+674145(Top 15%)3898(Top 24%)3898(Top 195%)
15K9.32 mi3.11 mi4169+613926+533926+534087(Top 14%)3846(Top 24%)3846(Top 193%)
20K12.43 mi3.11 mi4097+723854+723854+724070(Top 14%)3820(Top 24%)3820(Top 191%)
Half13.11 mi0.68 mi4111-143867-133867-134548(Top 16%)4241(Top 26%)4241(Top 212%)
25K15.53 mi2.42 mi4084+273839+283839+284247(Top 15%)3943(Top 24%)3943(Top 198%)
30K18.64 mi3.11 mi4041+433792+473792+474271(Top 15%)3921(Top 24%)3921(Top 196%)
20M20.00 mi1.36 mi4097-563835-433835-434917(Top 17%)4420(Top 27%)4420(Top 221%)
21M21.00 mi1.00 mi4148-513875-403875-405102(Top 18%)4448(Top 28%)4448(Top 223%)
35K21.75 mi0.75 mi4154-63871+43871+44732(Top 17%)4175(Top 26%)4175(Top 209%)
23M23.00 mi1.25 mi4223-693921-503921-505619(Top 20%)4744(Top 29%)4744(Top 238%)
24M24.00 mi1.00 mi4280-573958-373958-375985(Top 21%)4899(Top 30%)4899(Top 245%)
40K24.85 mi0.85 mi4386-1064039-814039-816558(Top 23%)5165(Top 32%)5165(Top 259%)
25.2M25.20 mi0.35 mi4472-864108-694108-698981(Top 32%)6400(Top 40%)6400(Top 321%)
Finish26.22 mi1.02 mi4860-3884435-3274435-32713619(Top 48%)8808(Top 55%)8808(Top 441%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

4087

Males

3846

M50-54

3846

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4145

Males

3898

M50-54

3898

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

4087

Males

3846

M50-54

3846

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

4070

Males

3820

M50-54

3820

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4548

Males

4241

M50-54

4241

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

4247

Males

3943

M50-54

3943

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4271

Males

3921

M50-54

3921

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4917

Males

4420

M50-54

4420

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

5102

Males

4448

M50-54

4448

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4732

Males

4175

M50-54

4175

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5619

Males

4744

M50-54

4744

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5985

Males

4899

M50-54

4899

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6558

Males

5165

M50-54

5165

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8981

Males

6400

M50-54

6400

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

13619

Males

8808

M50-54

8808

Passing Analysis

Category:
Athletes Passed
953
Passed By
1508
Net Change
-555
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4305
5K → 10K179104+75#4305#4230
10K → 15K12261+61#4230#4169
15K → 20K14371+72#4169#4097
20K → Half1529-14#4097#4111
Half → 25K9972+27#4111#4084
25K → 30K153110+43#4084#4041
30K → 20M49105-56#4041#4097
20M → 21M4596-51#4097#4148
21M → 35K3137-6#4148#4154
35K → 23M51120-69#4154#4223
23M → 24M3996-57#4223#4280
24M → 40K19125-106#4280#4386
40K → 25.2M894-86#4386#4472
25.2M → Finish0388-388#4472#4860
TOTALS9531508-555
📊

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