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BOSTON MARATHON 2025

Michael Wu

Bib: 3180•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 20%
Division (M18-39)
#0 / 5642
Top 43%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:36/mi
20:30
↑ 97↓ 3451.5%
10K· 6.21 mi
6:37/mi
41:02
↑ 79↓ 1380.4%
15K· 9.32 mi
6:33/mi
1:01:23
↑ 67↓ 78
20K· 12.43 mi
6:36/mi
1:21:53
↑ 106↓ 860.1%
Half· 13.11 mi
6:31/mi
1:26:20
↑ 19↓ 370.5%
25K· 15.53 mi
6:38/mi
1:42:26
↑ 66↓ 880.2%
30K· 18.64 mi
6:48/mi
2:03:34
↑ 181↓ 1480.2%
20M
6:53/mi
2:12:55
↑ 64↓ 500.2%
21M
7:06/mi
2:20:01
↑ 106↓ 241.6%
35K· 21.75 mi
6:44/mi
2:25:03
↑ 17↓ 861.7%
23M
6:55/mi
2:33:42
↑ 23↓ 630.6%
24M
6:51/mi
2:40:33
↓ 821.3%
40K· 24.85 mi
6:56/mi
2:46:29
↓ 200.3%
25.2M
7:21/mi
2:49:01
↑ 13↓ 160.2%
Finish· 26.22 mi
6:26/mi
2:55:34
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:20
Pace6:35 /mi
2nd Half
Distance13.11 mi
Time1:29:14
Pace6:48 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:2820:306:3620:30
6:36
-
10K
6.21 mi10:43:0041:026:3620:32
6:37
+0:01
15K
9.32 mi11:03:211:01:236:3520:21
6:33
-0:04
20K
12.43 mi11:23:511:21:536:3520:30
6:36
+0:03
Half
13.11 mi11:28:181:26:206:354:27
6:31
-0:05
25K
15.53 mi11:44:241:42:266:3616:06
6:38
+0:07
30K
18.64 mi12:05:322:03:346:3821:08
6:48
+0:10
20M
20.00 mi12:14:532:12:556:399:21
6:53
+0:05
21M
21.00 mi12:21:592:20:016:407:06
7:06
+0:13
35K
21.75 mi12:27:012:25:036:405:02
6:44
-0:22
23M
23.00 mi12:35:402:33:426:418:39
6:55
+0:11
24M
24.00 mi12:42:312:40:336:416:51
6:51
-0:04
40K
24.85 mi12:48:272:46:296:425:56
6:56
+0:05
25.2M
25.20 mi12:50:592:49:016:422:32
7:21
+0:25
Finish
26.22 mi12:57:322:55:346:426:33
6:26
-0:55

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

6:26 /mi

Average Pace

6:42 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:56

95% of race

Time at Steady Pace

9:38

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:42 /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 mi10:22:2820:306:3620:30
6:36
#4583
10K
6.21 mi10:43:0041:026:3620:32
6:37
#4536
15K
9.32 mi11:03:211:01:236:3520:21
6:33
#4292
20K
12.43 mi11:23:511:21:536:3520:30
6:36
#4080
Half
13.11 mi11:28:181:26:206:354:27
6:31
#4046
25K
15.53 mi11:44:241:42:266:3616:06
6:38
#3956
30K
18.64 mi12:05:322:03:346:3821:08
6:48
#3816
20M
20.00 mi12:14:532:12:556:399:21
6:53
#3739
21M
21.00 mi12:21:592:20:016:407:06
7:06
#3654
35K
21.75 mi12:27:012:25:036:405:02
6:44
#3632
23M
23.00 mi12:35:402:33:426:418:39
6:55
#3575
24M
24.00 mi12:42:312:40:336:416:51
6:51
#3532
40K
24.85 mi12:48:272:46:296:425:56
6:56
#3494
25.2M
25.20 mi12:50:592:49:016:422:32
7:21
#3461
Finish
26.22 mi12:57:322:55:346:426:33
6:26
#3370
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4583430643063889(Top 14%)3669(Top 23%)3669(Top 65%)
10K6.21 mi3.10 mi4536+474262+444262+444544(Top 16%)4258(Top 26%)4258(Top 75%)
15K9.32 mi3.11 mi4292+2444038+2244038+2243889(Top 14%)3669(Top 23%)3669(Top 65%)
20K12.43 mi3.11 mi4080+2123840+1983840+1983688(Top 13%)3483(Top 22%)3483(Top 62%)
Half13.11 mi0.68 mi4046+343808+323808+323856(Top 14%)3636(Top 23%)3636(Top 64%)
25K15.53 mi2.42 mi3956+903724+843724+843736(Top 13%)3510(Top 22%)3510(Top 62%)
30K18.64 mi3.11 mi3816+1403598+1263598+1263466(Top 12%)3224(Top 20%)3224(Top 57%)
20M20.00 mi1.36 mi3739+773520+783520+783398(Top 12%)3144(Top 20%)3144(Top 56%)
21M21.00 mi1.00 mi3654+853439+813439+812696(Top 9%)2506(Top 16%)2506(Top 44%)
35K21.75 mi0.75 mi3632+223414+253414+253697(Top 13%)3344(Top 21%)3344(Top 59%)
23M23.00 mi1.25 mi3575+573359+553359+553263(Top 11%)2974(Top 18%)2974(Top 53%)
24M24.00 mi1.00 mi3532+433314+453314+453816(Top 13%)3390(Top 21%)3390(Top 60%)
40K24.85 mi0.85 mi3494+383273+413273+413581(Top 13%)3177(Top 20%)3177(Top 56%)
25.2M25.20 mi0.35 mi3461+333240+333240+332780(Top 10%)2482(Top 15%)2482(Top 44%)
Finish26.22 mi1.02 mi3370+913155+853155+852466(Top 9%)2246(Top 14%)2246(Top 40%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21story building
+97ft-345ft

Overall

3889

Males

3669

M18-39

3669

5K→10K

3.1 - 6.2 mi

Top 16%
×5story building
+79ft-138ft

Overall

4544

Males

4258

M18-39

4258

10K→15K

6.2 - 9.3 mi

Top 14%
×3story building
+67ft-78ft

Overall

3889

Males

3669

M18-39

3669

15K→20K

9.3 - 12.4 mi

Top 13%
×5story building
+106ft-86ft

Overall

3688

Males

3483

M18-39

3483

20K→Half

12.4 - 13.1 mi

Top 14%
×2story building
+19ft-37ft

Overall

3856

Males

3636

M18-39

3636

Half→25K

13.1 - 15.5 mi

Top 13%
×4story building
+66ft-88ft

Overall

3736

Males

3510

M18-39

3510

25K→30K

15.5 - 18.6 mi

Top 12%
×9story building
+181ft-148ft

Overall

3466

Males

3224

M18-39

3224

30K→20M

18.6 - 20.0 mi

Top 12%
×5story building
+64ft-50ft

Overall

3398

Males

3144

M18-39

3144

20M→21M

20.0 - 21.0 mi

Top 9%
×8story building
+106ft-24ft

Overall

2696

Males

2506

M18-39

2506

21M→35K

21.0 - 21.8 mi

Top 13%
×7story building
+17ft-86ft

Overall

3697

Males

3344

M18-39

3344

35K→23M

21.8 - 23.0 mi

Top 11%
×5story building
+23ft-63ft

Overall

3263

Males

2974

M18-39

2974

23M→24M

23.0 - 24.0 mi

Top 13%
×6story building
+12ft-82ft

Overall

3816

Males

3390

M18-39

3390

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3581

Males

3177

M18-39

3177

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2780

Males

2482

M18-39

2482

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2story building
+22ft-21ft

Overall

2466

Males

2246

M18-39

2246

Passing Analysis

Category:
Athletes Passed
1631
Passed By
418
Net Change
+1213
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4583
5K → 10K188141+47#4583#4536
10K → 15K26723+244#4536#4292
15K → 20K23119+212#4292#4080
20K → Half417+34#4080#4046
Half → 25K12131+90#4046#3956
25K → 30K18242+140#3956#3816
30K → 20M10427+77#3816#3739
20M → 21M938+85#3739#3654
21M → 35K4018+22#3654#3632
35K → 23M8831+57#3632#3575
23M → 24M7128+43#3575#3532
24M → 40K6729+38#3532#3494
40K → 25.2M418+33#3494#3461
25.2M → Finish976+91#3461#3370
TOTALS1631418+1213
📊

Passing Visuals

Category:
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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