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BOSTON MARATHON 2025

Laurent Pierre

Bib: 13930•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
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
8:14/mi
25:35
↑ 97↓ 3451.5%
10K· 6.21 mi
8:23/mi
51:39
↑ 79↓ 1380.4%
15K· 9.32 mi
8:37/mi
1:18:26
↑ 67↓ 78
20K· 12.43 mi
8:53/mi
1:46:01
↑ 106↓ 860.1%
Half· 13.11 mi
8:54/mi
1:52:05
↑ 19↓ 370.5%
25K· 15.53 mi
9:05/mi
2:14:06
↑ 66↓ 880.2%
30K· 18.64 mi
9:30/mi
2:43:37
↑ 181↓ 1480.2%
20M
10:11/mi
2:57:27
↑ 64↓ 500.2%
21M
9:48/mi
3:07:15
↑ 106↓ 241.6%
35K· 21.75 mi
8:45/mi
3:13:48
↑ 17↓ 861.7%
23M
9:54/mi
3:26:12
↑ 23↓ 630.6%
24M
9:20/mi
3:35:32
↓ 821.3%
40K· 24.85 mi
9:26/mi
3:43:36
↓ 200.3%
25.2M
11:19/mi
3:47:30
↑ 13↓ 160.2%
Finish· 26.22 mi
9:13/mi
3:56:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:05
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time2:04:49
Pace9:31 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:0325:358:1425:35
8:14
-
10K
6.21 mi11:21:0751:398:1926:04
8:23
+0:09
15K
9.32 mi11:47:541:18:268:2526:47
8:37
+0:14
20K
12.43 mi12:15:291:46:018:3227:35
8:53
+0:16
Half
13.11 mi12:21:331:52:058:336:04
8:54
+0:01
25K
15.53 mi12:43:342:14:068:3822:01
9:05
+0:11
30K
18.64 mi13:13:052:43:378:4729:31
9:30
+0:25
20M
20.00 mi13:26:552:57:278:5213:50
10:11
+0:41
21M
21.00 mi13:36:433:07:158:559:48
9:48
-0:23
35K
21.75 mi13:43:163:13:488:556:33
8:45
-1:03
23M
23.00 mi13:55:403:26:128:5812:24
9:54
+1:09
24M
24.00 mi14:05:003:35:328:599:20
9:20
-0:34
40K
24.85 mi14:13:043:43:369:008:04
9:26
+0:06
25.2M
25.20 mi14:16:583:47:309:023:54
11:19
+1:53
Finish
26.22 mi14:26:223:56:549:039:24
9:13
-2:06

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

8:14 /mi

Average Pace

9:03 /mi

Slowest Pace

11:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:24:59

36% of race

Time at Steady Pace

1:51:59

47% of race

Time at Slower Pace

39:56

17% of race

Average Pace: 9:02 /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 mi10:55:0325:358:1425:35
8:14
#18320
10K
6.21 mi11:21:0751:398:1926:04
8:23
#18691
15K
9.32 mi11:47:541:18:268:2526:47
8:37
#19118
20K
12.43 mi12:15:291:46:018:3227:35
8:53
#19464
Half
13.11 mi12:21:331:52:058:336:04
8:54
#19578
25K
15.53 mi12:43:342:14:068:3822:01
9:05
#19692
30K
18.64 mi13:13:052:43:378:4729:31
9:30
#19736
20M
20.00 mi13:26:552:57:278:5213:50
10:11
#19946
21M
21.00 mi13:36:433:07:158:559:48
9:48
#19782
35K
21.75 mi13:43:163:13:488:556:33
8:45
#19687
23M
23.00 mi13:55:403:26:128:5812:24
9:54
#19725
24M
24.00 mi14:05:003:35:328:599:20
9:20
#19696
40K
24.85 mi14:13:043:43:369:008:04
9:26
#19668
25.2M
25.20 mi14:16:583:47:309:023:54
11:19
#19708
Finish
26.22 mi14:26:223:56:549:039:24
9:13
#19719
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi18320117321173220032(Top 71%)12518(Top 78%)12518(Top 627%)
10K6.21 mi3.10 mi18691-37111906-17411906-17419117(Top 67%)12110(Top 75%)12110(Top 607%)
15K9.32 mi3.11 mi19118-42712093-18712093-18720032(Top 71%)12518(Top 78%)12518(Top 627%)
20K12.43 mi3.11 mi19464-34612245-15212245-15220359(Top 72%)12617(Top 78%)12617(Top 632%)
Half13.11 mi0.68 mi19578-11412287-4212287-4221304(Top 75%)13034(Top 81%)13034(Top 653%)
25K15.53 mi2.42 mi19692-11412326-3912326-3920257(Top 71%)12524(Top 78%)12524(Top 627%)
30K18.64 mi3.11 mi19736-4412306+2012306+2019942(Top 70%)12258(Top 76%)12258(Top 614%)
20M20.00 mi1.36 mi19946-21012376-7012376-7021501(Top 76%)12814(Top 80%)12814(Top 642%)
21M21.00 mi1.00 mi19782+16412280+9612280+9617471(Top 62%)10911(Top 68%)10911(Top 547%)
35K21.75 mi0.75 mi19687+9512226+5412226+5417013(Top 60%)10628(Top 66%)10628(Top 532%)
23M23.00 mi1.25 mi19725-3812202+2412202+2420155(Top 71%)11975(Top 74%)11975(Top 600%)
24M24.00 mi1.00 mi19696+2912163+3912163+3918957(Top 67%)11393(Top 71%)11393(Top 571%)
40K24.85 mi0.85 mi19668+2812136+2712136+2718431(Top 65%)11038(Top 69%)11038(Top 553%)
25.2M25.20 mi0.35 mi19708-4012145-912145-921513(Top 76%)12536(Top 78%)12536(Top 628%)
Finish26.22 mi1.02 mi19719-1112136+912136+920042(Top 71%)11821(Top 73%)11821(Top 592%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

20032

Males

12518

M50-54

12518

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

19117

Males

12110

M50-54

12110

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

20032

Males

12518

M50-54

12518

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

20359

Males

12617

M50-54

12617

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

21304

Males

13034

M50-54

13034

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

20257

Males

12524

M50-54

12524

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

19942

Males

12258

M50-54

12258

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

21501

Males

12814

M50-54

12814

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

17471

Males

10911

M50-54

10911

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

17013

Males

10628

M50-54

10628

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

20155

Males

11975

M50-54

11975

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

18957

Males

11393

M50-54

11393

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18431

Males

11038

M50-54

11038

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21513

Males

12536

M50-54

12536

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

20042

Males

11821

M50-54

11821

Passing Analysis

Category:
Athletes Passed
1292
Passed By
2691
Net Change
-1399
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18320
5K → 10K129500-371#18320#18691
10K → 15K83510-427#18691#19118
15K → 20K99445-346#19118#19464
20K → Half15129-114#19464#19578
Half → 25K116230-114#19578#19692
25K → 30K220264-44#19692#19736
30K → 20M47257-210#19736#19946
20M → 21M18319+164#19946#19782
21M → 35K1016+95#19782#19687
35K → 23M78116-38#19687#19725
23M → 24M8354+29#19725#19696
24M → 40K7446+28#19696#19668
40K → 25.2M1151-40#19668#19708
25.2M → Finish5364-11#19708#19719
TOTALS12922691-1399
📊

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