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BOSTON MARATHON 2025

David Lapierre

Bib: 5068•M

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 18%
Gender (Male)
#0 / 16105
Top 28%
Masters (Masters Men)
#0 / 10463
Top 14%
Division (M40-44)
#0 / 2247
Top 36%
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
6:12/mi
19:17
↑ 97↓ 3451.5%
10K· 6.21 mi
6:17/mi
38:47
↑ 79↓ 1380.4%
15K· 9.32 mi
6:24/mi
58:39
↑ 67↓ 78
20K· 12.43 mi
6:34/mi
1:19:02
↑ 106↓ 860.1%
Half· 13.11 mi
6:37/mi
1:23:33
↑ 19↓ 370.5%
25K· 15.53 mi
6:52/mi
1:40:11
↑ 66↓ 880.2%
30K· 18.64 mi
7:31/mi
2:03:32
↑ 181↓ 1480.2%
20M
7:17/mi
2:13:26
↑ 64↓ 500.2%
21M
7:46/mi
2:21:12
↑ 106↓ 241.6%
35K· 21.75 mi
7:25/mi
2:26:45
↑ 17↓ 861.7%
23M
8:02/mi
2:36:48
↑ 23↓ 630.6%
24M
7:48/mi
2:44:36
↓ 821.3%
40K· 24.85 mi
7:51/mi
2:51:19
↓ 200.3%
25.2M
7:56/mi
2:54:03
↑ 13↓ 160.2%
Finish· 26.22 mi
7:09/mi
3:01:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:33
Pace6:22 /mi
2nd Half
Distance13.11 mi
Time1:37:47
Pace7:28 /mi
📊Positive Split: 17.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1219:176:1219:17
6:12
-
10K
6.21 mi10:42:4238:476:1419:30
6:17
+0:05
15K
9.32 mi11:02:3458:396:1819:52
6:24
+0:07
20K
12.43 mi11:22:571:19:026:2220:23
6:34
+0:10
Half
13.11 mi11:27:281:23:336:224:31
6:37
+0:03
25K
15.53 mi11:44:061:40:116:2716:38
6:52
+0:15
30K
18.64 mi12:07:272:03:326:3823:21
7:31
+0:39
20M
20.00 mi12:17:212:13:266:409:54
7:17
-0:14
21M
21.00 mi12:25:072:21:126:437:46
7:46
+0:29
35K
21.75 mi12:30:402:26:456:455:33
7:25
-0:21
23M
23.00 mi12:40:432:36:486:4910:03
8:02
+0:37
24M
24.00 mi12:48:312:44:366:527:48
7:48
-0:14
40K
24.85 mi12:55:142:51:196:546:43
7:51
+0:03
25.2M
25.20 mi12:57:582:54:036:542:44
7:56
+0:05
Finish
26.22 mi13:05:153:01:206:557:17
7:09
-0:47

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

6:12 /mi

Average Pace

6:55 /mi

Slowest Pace

8:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:11

55% of race

Time at Steady Pace

46:05

25% of race

Time at Slower Pace

35:04

19% of race

Average Pace: 6:55 /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 mi10:23:1219:176:1219:17
6:12
#1907
10K
6.21 mi10:42:4238:476:1419:30
6:17
#2087
15K
9.32 mi11:02:3458:396:1819:52
6:24
#2330
20K
12.43 mi11:22:571:19:026:2220:23
6:34
#2605
Half
13.11 mi11:27:281:23:336:224:31
6:37
#2694
25K
15.53 mi11:44:061:40:116:2716:38
6:52
#3039
30K
18.64 mi12:07:272:03:326:3823:21
7:31
#3805
20M
20.00 mi12:17:212:13:266:409:54
7:17
#3920
21M
21.00 mi12:25:072:21:126:437:46
7:46
#4023
35K
21.75 mi12:30:402:26:456:455:33
7:25
#4161
23M
23.00 mi12:40:432:36:486:4910:03
8:02
#4517
24M
24.00 mi12:48:312:44:366:527:48
7:48
#4785
40K
24.85 mi12:55:142:51:196:546:43
7:51
#4972
25.2M
25.20 mi12:57:582:54:036:542:44
7:56
#4965
Finish
26.22 mi13:05:153:01:206:557:17
7:09
#4983
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1907181318132906(Top 10%)2770(Top 17%)2770(Top 123%)
10K6.21 mi3.10 mi2087-1801990-1771990-1772267(Top 8%)2168(Top 13%)2168(Top 96%)
15K9.32 mi3.11 mi2330-2432225-2352225-2352906(Top 10%)2770(Top 17%)2770(Top 123%)
20K12.43 mi3.11 mi2605-2752486-2612486-2613475(Top 12%)3290(Top 20%)3290(Top 146%)
Half13.11 mi0.68 mi2694-892570-842570-844556(Top 16%)4249(Top 26%)4249(Top 189%)
25K15.53 mi2.42 mi3039-3452897-3272897-3275348(Top 19%)4876(Top 30%)4876(Top 217%)
30K18.64 mi3.11 mi3805-7663587-6903587-6907840(Top 28%)6486(Top 40%)6486(Top 289%)
20M20.00 mi1.36 mi3920-1153681-943681-945656(Top 20%)4936(Top 31%)4936(Top 220%)
21M21.00 mi1.00 mi4023-1033767-863767-865968(Top 21%)5039(Top 31%)5039(Top 224%)
35K21.75 mi0.75 mi4161-1383877-1103877-1107988(Top 28%)6273(Top 39%)6273(Top 279%)
23M23.00 mi1.25 mi4517-3564170-2934170-29310178(Top 36%)7311(Top 45%)7311(Top 325%)
24M24.00 mi1.00 mi4785-2684393-2234393-2239755(Top 34%)7026(Top 44%)7026(Top 313%)
40K24.85 mi0.85 mi4972-1874540-1474540-1479111(Top 32%)6558(Top 41%)6558(Top 292%)
25.2M25.20 mi0.35 mi4965+74530+104530+105498(Top 19%)4416(Top 27%)4416(Top 197%)
Finish26.22 mi1.02 mi4983-184532-24532-26656(Top 23%)5116(Top 32%)5116(Top 228%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21story building
+97ft-345ft

Overall

2906

Males

2770

M40-44

2770

5K→10K

3.1 - 6.2 mi

Top 8%
×5story building
+79ft-138ft

Overall

2267

Males

2168

M40-44

2168

10K→15K

6.2 - 9.3 mi

Top 10%
×3story building
+67ft-78ft

Overall

2906

Males

2770

M40-44

2770

15K→20K

9.3 - 12.4 mi

Top 12%
×5story building
+106ft-86ft

Overall

3475

Males

3290

M40-44

3290

20K→Half

12.4 - 13.1 mi

Top 16%
×2story building
+19ft-37ft

Overall

4556

Males

4249

M40-44

4249

Half→25K

13.1 - 15.5 mi

Top 19%
×4story building
+66ft-88ft

Overall

5348

Males

4876

M40-44

4876

25K→30K

15.5 - 18.6 mi

Top 28%
×9story building
+181ft-148ft

Overall

7840

Males

6486

M40-44

6486

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5656

Males

4936

M40-44

4936

20M→21M

20.0 - 21.0 mi

Top 21%
×8story building
+106ft-24ft

Overall

5968

Males

5039

M40-44

5039

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7988

Males

6273

M40-44

6273

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

10178

Males

7311

M40-44

7311

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

9755

Males

7026

M40-44

7026

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9111

Males

6558

M40-44

6558

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5498

Males

4416

M40-44

4416

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6656

Males

5116

M40-44

5116

Passing Analysis

Category:
Athletes Passed
331
Passed By
3407
Net Change
-3076
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1907
5K → 10K50230-180#1907#2087
10K → 15K18261-243#2087#2330
15K → 20K19294-275#2330#2605
20K → Half291-89#2605#2694
Half → 25K19364-345#2694#3039
25K → 30K13779-766#3039#3805
30K → 20M30145-115#3805#3920
20M → 21M41144-103#3920#4023
21M → 35K12150-138#4023#4161
35K → 23M22378-356#4161#4517
23M → 24M18286-268#4517#4785
24M → 40K22209-187#4785#4972
40K → 25.2M2922+7#4972#4965
25.2M → Finish3654-18#4965#4983
TOTALS3313407-3076
📊

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