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BOSTON MARATHON 2025

David Ho

Bib: 3810•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 21%
Gender (Male)
#0 / 16105
Top 32%
Masters (Masters Men)
#0 / 10463
Top 18%
Division (M45-49)
#0 / 2386
Top 25%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:02
Rank: #6083
Start → 5K
21:02 | 6:46/mi
10K· 6.21 mi
42:21
Rank: #6445 (-362)
5K → 10K
21:19 | 6:52/mi
15K· 9.32 mi
1:03:53
Rank: #6700 (-255)
10K → 15K
21:32 | 6:56/mi
20K· 12.43 mi
1:25:53
Rank: #6899 (-199)
15K → 20K
22:00 | 7:05/mi
Half· 13.11 mi
1:30:38
Rank: #6926 (-27)
20K → Half
4:45 | 6:58/mi
25K· 15.53 mi
1:48:04
Rank: #6972 (-46)
Half → 25K
17:26 | 7:11/mi
30K· 18.64 mi
2:10:52
Rank: #6800 (+172)
25K → 30K
22:48 | 7:20/mi
20M
2:20:56
Rank: #6689 (+111)
30K → 20M
10:04 | 7:24/mi
21M
2:28:49
Rank: #6616 (+73)
20M → 21M
7:53 | 7:53/mi
35K· 21.75 mi
2:34:03
Rank: #6525 (+91)
21M → 35K
5:14 | 7:00/mi
23M
2:43:13
Rank: #6379 (+146)
35K → 23M
9:10 | 7:19/mi
24M
2:50:07
Rank: #6239 (+140)
23M → 24M
6:54 | 6:54/mi
40K· 24.85 mi
2:56:09
Rank: #6101 (+138)
24M → 40K
6:02 | 7:03/mi
25.2M
2:58:50
Rank: #6054 (+47)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
3:05:32
Rank: #5871 (+183)
25.2M → Finish
6:42 | 6:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:38
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:34:54
Pace7:14 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4721:026:4621:02
6:46
-
10K
6.21 mi10:45:0642:216:4921:19
6:52
+0:06
15K
9.32 mi11:06:381:03:536:5121:32
6:56
+0:04
20K
12.43 mi11:28:381:25:536:5522:00
7:05
+0:09
Half
13.11 mi11:33:231:30:386:554:45
6:58
-0:07
25K
15.53 mi11:50:491:48:046:5717:26
7:11
+0:13
30K
18.64 mi12:13:372:10:527:0122:48
7:20
+0:09
20M
20.00 mi12:23:412:20:567:0310:04
7:24
+0:04
21M
21.00 mi12:31:342:28:497:057:53
7:53
+0:29
35K
21.75 mi12:36:482:34:037:055:14
7:00
-0:53
23M
23.00 mi12:45:582:43:137:069:10
7:19
+0:19
24M
24.00 mi12:52:522:50:077:056:54
6:54
-0:25
40K
24.85 mi12:58:542:56:097:056:02
7:03
+0:09
25.2M
25.20 mi13:01:352:58:507:062:41
7:47
+0:44
Finish
26.22 mi13:08:173:05:327:056:42
6:34
-1:13

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

7:05 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

49:03

26% of race

Time at Steady Pace

1:23:53

45% of race

Time at Slower Pace

52:36

28% of race

Average Pace: 7:05 /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 mi10:23:4721:026:4621:02
6:46
#6083
10K
6.21 mi10:45:0642:216:4921:19
6:52
#6445
15K
9.32 mi11:06:381:03:536:5121:32
6:56
#6700
20K
12.43 mi11:28:381:25:536:5522:00
7:05
#6899
Half
13.11 mi11:33:231:30:386:554:45
6:58
#6926
25K
15.53 mi11:50:491:48:046:5717:26
7:11
#6972
30K
18.64 mi12:13:372:10:527:0122:48
7:20
#6800
20M
20.00 mi12:23:412:20:567:0310:04
7:24
#6689
21M
21.00 mi12:31:342:28:497:057:53
7:53
#6616
35K
21.75 mi12:36:482:34:037:055:14
7:00
#6525
23M
23.00 mi12:45:582:43:137:069:10
7:19
#6379
24M
24.00 mi12:52:522:50:077:056:54
6:54
#6239
40K
24.85 mi12:58:542:56:097:056:02
7:03
#6101
25.2M
25.20 mi13:01:352:58:507:062:41
7:47
#6054
Finish
26.22 mi13:08:173:05:327:056:42
6:34
#5871
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6083558255827149(Top 25%)6355(Top 39%)6355(Top 266%)
10K6.21 mi3.10 mi6445-3625873-2915873-2916946(Top 24%)6233(Top 39%)6233(Top 261%)
15K9.32 mi3.11 mi6700-2556047-1746047-1747149(Top 25%)6355(Top 39%)6355(Top 266%)
20K12.43 mi3.11 mi6899-1996202-1556202-1557395(Top 26%)6482(Top 40%)6482(Top 272%)
Half13.11 mi0.68 mi6926-276219-176219-177224(Top 25%)6366(Top 40%)6366(Top 267%)
25K15.53 mi2.42 mi6972-466235-166235-167515(Top 26%)6445(Top 40%)6445(Top 270%)
30K18.64 mi3.11 mi6800+1726056+1796056+1796666(Top 23%)5756(Top 36%)5756(Top 241%)
20M20.00 mi1.36 mi6689+1115952+1045952+1046402(Top 23%)5455(Top 34%)5455(Top 229%)
21M21.00 mi1.00 mi6616+735875+775875+776653(Top 23%)5464(Top 34%)5464(Top 229%)
35K21.75 mi0.75 mi6525+915794+815794+815298(Top 19%)4580(Top 28%)4580(Top 192%)
23M23.00 mi1.25 mi6379+1465663+1315663+1315561(Top 20%)4705(Top 29%)4705(Top 197%)
24M24.00 mi1.00 mi6239+1405542+1215542+1214080(Top 14%)3597(Top 22%)3597(Top 151%)
40K24.85 mi0.85 mi6101+1385424+1185424+1184205(Top 15%)3642(Top 23%)3642(Top 153%)
25.2M25.20 mi0.35 mi6054+475377+475377+474735(Top 17%)3933(Top 24%)3933(Top 165%)
Finish26.22 mi1.02 mi5871+1835223+1545223+1543198(Top 11%)2830(Top 18%)2830(Top 119%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7149

Males

6355

M45-49

6355

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6946

Males

6233

M45-49

6233

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7149

Males

6355

M45-49

6355

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

7395

Males

6482

M45-49

6482

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

7224

Males

6366

M45-49

6366

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

7515

Males

6445

M45-49

6445

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6666

Males

5756

M45-49

5756

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6402

Males

5455

M45-49

5455

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6653

Males

5464

M45-49

5464

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5298

Males

4580

M45-49

4580

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5561

Males

4705

M45-49

4705

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

4080

Males

3597

M45-49

3597

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4205

Males

3642

M45-49

3642

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4735

Males

3933

M45-49

3933

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3198

Males

2830

M45-49

2830

Passing Analysis

Category:
Athletes Passed
1648
Passed By
1436
Net Change
+212
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6083
5K → 10K76438-362#6083#6445
10K → 15K78333-255#6445#6700
15K → 20K70269-199#6700#6899
20K → Half1744-27#6899#6926
Half → 25K105151-46#6926#6972
25K → 30K26189+172#6972#6800
30K → 20M14231+111#6800#6689
20M → 21M10936+73#6689#6616
21M → 35K1009+91#6616#6525
35K → 23M16317+146#6525#6379
23M → 24M1433+140#6379#6239
24M → 40K1468+138#6239#6101
40K → 25.2M536+47#6101#6054
25.2M → Finish1852+183#6054#5871
TOTALS16481436+212
📊

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