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BOSTON MARATHON 2025

Sylvain Lamarque

Bib: 969•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 15%
Division (M18-39)
#0 / 5642
Top 35%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:25
Rank: #876
Start → 5K
18:25 | 5:56/mi
10K· 6.21 mi
36:52
Rank: #902 (-26)
5K → 10K
18:27 | 5:56/mi
15K· 9.32 mi
55:27
Rank: #924 (-22)
10K → 15K
18:35 | 5:59/mi
20K· 12.43 mi
1:14:22
Rank: #956 (-32)
15K → 20K
18:55 | 6:05/mi
Half· 13.11 mi
1:18:28
Rank: #963 (-7)
20K → Half
4:06 | 6:01/mi
25K· 15.53 mi
1:33:39
Rank: #1031 (-68)
Half → 25K
15:11 | 6:16/mi
30K· 18.64 mi
1:54:48
Rank: #1332 (-301)
25K → 30K
21:09 | 6:48/mi
20M
2:04:33
Rank: #1499 (-167)
30K → 20M
9:45 | 7:10/mi
21M
2:12:17
Rank: #1671 (-172)
20M → 21M
7:44 | 7:44/mi
35K· 21.75 mi
2:17:56
Rank: #1844 (-173)
21M → 35K
5:39 | 7:33/mi
23M
2:27:31
Rank: #2090 (-246)
35K → 23M
9:35 | 7:39/mi
24M
2:34:52
Rank: #2233 (-143)
23M → 24M
7:21 | 7:21/mi
40K· 24.85 mi
2:41:36
Rank: #2420 (-187)
24M → 40K
6:44 | 7:53/mi
25.2M
2:44:26
Rank: #2476 (-56)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
2:51:44
Rank: #2583 (-107)
25.2M → Finish
7:18 | 7:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:28
Pace5:59 /mi
2nd Half
Distance13.11 mi
Time1:33:16
Pace7:07 /mi
📊Positive Split: 18.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:4418:255:5618:25
5:56
-
10K
6.21 mi10:37:1136:525:5618:27
5:56
0:00
15K
9.32 mi10:55:4655:275:5718:35
5:59
+0:03
20K
12.43 mi11:14:411:14:225:5918:55
6:05
+0:06
Half
13.11 mi11:18:471:18:285:594:06
6:01
-0:04
25K
15.53 mi11:33:581:33:396:0215:11
6:16
+0:15
30K
18.64 mi11:55:071:54:486:1021:09
6:48
+0:32
20M
20.00 mi12:04:522:04:336:149:45
7:10
+0:22
21M
21.00 mi12:12:362:12:176:187:44
7:44
+0:34
35K
21.75 mi12:18:152:17:566:215:39
7:33
-0:11
23M
23.00 mi12:27:502:27:316:259:35
7:39
+0:06
24M
24.00 mi12:35:112:34:526:277:21
7:21
-0:18
40K
24.85 mi12:41:552:41:366:306:44
7:53
+0:32
25.2M
25.20 mi12:44:452:44:266:322:50
8:13
+0:20
Finish
26.22 mi12:52:032:51:446:337:18
7:10
-1:03

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

5:56 /mi

Average Pace

6:33 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:39

55% of race

Time at Steady Pace

51:12

30% of race

Time at Slower Pace

26:53

16% of race

Average Pace: 6:33 /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 mi10:18:4418:255:5618:25
5:56
#876
10K
6.21 mi10:37:1136:525:5618:27
5:56
#902
15K
9.32 mi10:55:4655:275:5718:35
5:59
#924
20K
12.43 mi11:14:411:14:225:5918:55
6:05
#956
Half
13.11 mi11:18:471:18:285:594:06
6:01
#963
25K
15.53 mi11:33:581:33:396:0215:11
6:16
#1031
30K
18.64 mi11:55:071:54:486:1021:09
6:48
#1332
20M
20.00 mi12:04:522:04:336:149:45
7:10
#1499
21M
21.00 mi12:12:362:12:176:187:44
7:44
#1671
35K
21.75 mi12:18:152:17:566:215:39
7:33
#1844
23M
23.00 mi12:27:502:27:316:259:35
7:39
#2090
24M
24.00 mi12:35:112:34:526:277:21
7:21
#2233
40K
24.85 mi12:41:552:41:366:306:44
7:53
#2420
25.2M
25.20 mi12:44:452:44:266:322:50
8:13
#2476
Finish
26.22 mi12:52:032:51:446:337:18
7:10
#2583
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi876821821978(Top 3%)925(Top 6%)925(Top 16%)
10K6.21 mi3.10 mi902-26848-27848-27940(Top 3%)886(Top 6%)886(Top 16%)
15K9.32 mi3.11 mi924-22869-21869-21978(Top 3%)925(Top 6%)925(Top 16%)
20K12.43 mi3.11 mi956-32900-31900-311146(Top 4%)1082(Top 7%)1082(Top 19%)
Half13.11 mi0.68 mi963-7908-8908-81217(Top 4%)1154(Top 7%)1154(Top 20%)
25K15.53 mi2.42 mi1031-68970-62970-621720(Top 6%)1635(Top 10%)1635(Top 29%)
30K18.64 mi3.11 mi1332-3011257-2871257-2873490(Top 12%)3245(Top 20%)3245(Top 58%)
20M20.00 mi1.36 mi1499-1671419-1621419-1625063(Top 18%)4530(Top 28%)4530(Top 80%)
21M21.00 mi1.00 mi1671-1721585-1661585-1665823(Top 21%)4942(Top 31%)4942(Top 88%)
35K21.75 mi0.75 mi1844-1731752-1671752-1678950(Top 32%)6812(Top 42%)6812(Top 121%)
23M23.00 mi1.25 mi2090-2461988-2361988-2367580(Top 27%)5910(Top 37%)5910(Top 105%)
24M24.00 mi1.00 mi2233-1432124-1362124-1366696(Top 24%)5343(Top 33%)5343(Top 95%)
40K24.85 mi0.85 mi2420-1872297-1732297-1739255(Top 33%)6648(Top 41%)6648(Top 118%)
25.2M25.20 mi0.35 mi2476-562348-512348-517083(Top 25%)5373(Top 33%)5373(Top 95%)
Finish26.22 mi1.02 mi2583-1072447-992447-996782(Top 24%)5192(Top 32%)5192(Top 92%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

978

Males

925

M18-39

925

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

940

Males

886

M18-39

886

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

978

Males

925

M18-39

925

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1146

Males

1082

M18-39

1082

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1217

Males

1154

M18-39

1154

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1720

Males

1635

M18-39

1635

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3490

Males

3245

M18-39

3245

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

5063

Males

4530

M18-39

4530

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5823

Males

4942

M18-39

4942

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

8950

Males

6812

M18-39

6812

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7580

Males

5910

M18-39

5910

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6696

Males

5343

M18-39

5343

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

9255

Males

6648

M18-39

6648

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

7083

Males

5373

M18-39

5373

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6782

Males

5192

M18-39

5192

Passing Analysis

Category:
Athletes Passed
169
Passed By
1876
Net Change
-1707
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#876
5K → 10K3965-26#876#902
10K → 15K1840-22#902#924
15K → 20K2557-32#924#956
20K → Half29-7#956#963
Half → 25K1381-68#963#1031
25K → 30K6307-301#1031#1332
30K → 20M7174-167#1332#1499
20M → 21M10182-172#1499#1671
21M → 35K5178-173#1671#1844
35K → 23M9255-246#1844#2090
23M → 24M15158-143#2090#2233
24M → 40K7194-187#2233#2420
40K → 25.2M258-56#2420#2476
25.2M → Finish11118-107#2476#2583
TOTALS1691876-1707
📊

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