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BOSTON MARATHON 2025

Louis-Simon Labelle

Bib: 2618•M

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 12%
Masters (Masters Men)
#0 / 10463
Top 3%
Division (M40-44)
#0 / 2247
Top 10%
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
6:24/mi
19:53
↑ 97↓ 3451.5%
10K· 6.21 mi
6:23/mi
39:43
↑ 79↓ 1380.4%
15K· 9.32 mi
6:23/mi
59:34
↑ 67↓ 78
20K· 12.43 mi
6:27/mi
1:19:36
↑ 106↓ 860.1%
Half· 13.11 mi
6:21/mi
1:23:56
↑ 19↓ 370.5%
25K· 15.53 mi
6:27/mi
1:39:34
↑ 66↓ 880.2%
30K· 18.64 mi
6:33/mi
1:59:56
↑ 181↓ 1480.2%
20M
6:38/mi
2:08:57
↑ 64↓ 500.2%
21M
6:46/mi
2:15:43
↑ 106↓ 241.6%
35K· 21.75 mi
6:18/mi
2:20:26
↑ 17↓ 861.7%
23M
6:23/mi
2:28:26
↑ 23↓ 630.6%
24M
6:06/mi
2:34:32
↓ 821.3%
40K· 24.85 mi
6:25/mi
2:40:01
↓ 200.3%
25.2M
6:49/mi
2:42:22
↑ 13↓ 160.2%
Finish· 26.22 mi
5:58/mi
2:48:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:23:56
Pace6:24 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:24:31
Pace6:27 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:2819:536:2419:53
6:24
-
10K
6.21 mi10:41:1839:436:2419:50
6:23
-0:01
15K
9.32 mi11:01:0959:346:2319:51
6:23
0:00
20K
12.43 mi11:21:111:19:366:2420:02
6:27
+0:04
Half
13.11 mi11:25:311:23:566:244:20
6:21
-0:06
25K
15.53 mi11:41:091:39:346:2515:38
6:27
+0:06
30K
18.64 mi12:01:311:59:566:2620:22
6:33
+0:06
20M
20.00 mi12:10:322:08:576:279:01
6:38
+0:05
21M
21.00 mi12:17:182:15:436:286:46
6:46
+0:08
35K
21.75 mi12:22:012:20:266:274:43
6:18
-0:28
23M
23.00 mi12:30:012:28:266:278:00
6:23
+0:05
24M
24.00 mi12:36:072:34:326:266:06
6:06
-0:17
40K
24.85 mi12:41:362:40:016:265:29
6:25
+0:19
25.2M
25.20 mi12:43:572:42:226:272:21
6:49
+0:24
Finish
26.22 mi12:50:022:48:276:266:05
5:58
-0:51

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

5:58 /mi

Average Pace

6:26 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:19

89% of race

Time at Steady Pace

18:08

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:25 /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 mi10:21:2819:536:2419:53
6:24
#3104
10K
6.21 mi10:41:1839:436:2419:50
6:23
#2995
15K
9.32 mi11:01:0959:346:2319:51
6:23
#2936
20K
12.43 mi11:21:111:19:366:2420:02
6:27
#2880
Half
13.11 mi11:25:311:23:566:244:20
6:21
#2875
25K
15.53 mi11:41:091:39:346:2515:38
6:27
#2794
30K
18.64 mi12:01:311:59:566:2620:22
6:33
#2628
20M
20.00 mi12:10:322:08:576:279:01
6:38
#2557
21M
21.00 mi12:17:182:15:436:286:46
6:46
#2453
35K
21.75 mi12:22:012:20:266:274:43
6:18
#2385
23M
23.00 mi12:30:012:28:266:278:00
6:23
#2280
24M
24.00 mi12:36:072:34:326:266:06
6:06
#2154
40K
24.85 mi12:41:362:40:016:265:29
6:25
#2080
25.2M
25.20 mi12:43:572:42:226:272:21
6:49
#2043
Finish
26.22 mi12:50:022:48:276:266:05
5:58
#1959
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3104294829482847(Top 10%)2712(Top 17%)2712(Top 121%)
10K6.21 mi3.10 mi2995+1092849+992849+992922(Top 10%)2781(Top 17%)2781(Top 124%)
15K9.32 mi3.11 mi2936+592797+522797+522847(Top 10%)2712(Top 17%)2712(Top 121%)
20K12.43 mi3.11 mi2880+562747+502747+502796(Top 10%)2661(Top 17%)2661(Top 118%)
Half13.11 mi0.68 mi2875+52740+72740+72734(Top 10%)2610(Top 16%)2610(Top 116%)
25K15.53 mi2.42 mi2794+812665+752665+752582(Top 9%)2456(Top 15%)2456(Top 109%)
30K18.64 mi3.11 mi2628+1662507+1582507+1582207(Top 8%)2090(Top 13%)2090(Top 93%)
20M20.00 mi1.36 mi2557+712441+662441+662163(Top 8%)2044(Top 13%)2044(Top 91%)
21M21.00 mi1.00 mi2453+1042340+1012340+1011416(Top 5%)1336(Top 8%)1336(Top 59%)
35K21.75 mi0.75 mi2385+682274+662274+661619(Top 6%)1519(Top 9%)1519(Top 68%)
23M23.00 mi1.25 mi2280+1052172+1022172+1021102(Top 4%)1042(Top 6%)1042(Top 46%)
24M24.00 mi1.00 mi2154+1262048+1242048+124779(Top 3%)733(Top 5%)733(Top 33%)
40K24.85 mi0.85 mi2080+741974+741974+741291(Top 5%)1198(Top 7%)1198(Top 53%)
25.2M25.20 mi0.35 mi2043+371938+361938+361029(Top 4%)947(Top 6%)947(Top 42%)
Finish26.22 mi1.02 mi1959+841856+821856+82839(Top 3%)792(Top 5%)792(Top 35%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21story building
+97ft-345ft

Overall

2847

Males

2712

M40-44

2712

5K→10K

3.1 - 6.2 mi

Top 10%
×5story building
+79ft-138ft

Overall

2922

Males

2781

M40-44

2781

10K→15K

6.2 - 9.3 mi

Top 10%
×3story building
+67ft-78ft

Overall

2847

Males

2712

M40-44

2712

15K→20K

9.3 - 12.4 mi

Top 10%
×5story building
+106ft-86ft

Overall

2796

Males

2661

M40-44

2661

20K→Half

12.4 - 13.1 mi

Top 10%
×2story building
+19ft-37ft

Overall

2734

Males

2610

M40-44

2610

Half→25K

13.1 - 15.5 mi

Top 9%
×4story building
+66ft-88ft

Overall

2582

Males

2456

M40-44

2456

25K→30K

15.5 - 18.6 mi

Top 8%
×9story building
+181ft-148ft

Overall

2207

Males

2090

M40-44

2090

30K→20M

18.6 - 20.0 mi

Top 8%
×5story building
+64ft-50ft

Overall

2163

Males

2044

M40-44

2044

20M→21M

20.0 - 21.0 mi

Top 5%
×8story building
+106ft-24ft

Overall

1416

Males

1336

M40-44

1336

21M→35K

21.0 - 21.8 mi

Top 6%
×7story building
+17ft-86ft

Overall

1619

Males

1519

M40-44

1519

35K→23M

21.8 - 23.0 mi

Top 4%
×5story building
+23ft-63ft

Overall

1102

Males

1042

M40-44

1042

23M→24M

23.0 - 24.0 mi

Top 3%
×6story building
+12ft-82ft

Overall

779

Males

733

M40-44

733

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1291

Males

1198

M40-44

1198

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1029

Males

947

M40-44

947

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2story building
+22ft-21ft

Overall

839

Males

792

M40-44

792

Passing Analysis

Category:
Athletes Passed
1437
Passed By
292
Net Change
+1145
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3104
5K → 10K19384+109#3104#2995
10K → 15K12263+59#2995#2936
15K → 20K10751+56#2936#2880
20K → Half2015+5#2880#2875
Half → 25K10120+81#2875#2794
25K → 30K18519+166#2794#2628
30K → 20M9019+71#2628#2557
20M → 21M1073+104#2557#2453
21M → 35K724+68#2453#2385
35K → 23M1072+105#2385#2280
23M → 24M1260+126#2280#2154
24M → 40K806+74#2154#2080
40K → 25.2M392+37#2080#2043
25.2M → Finish884+84#2043#1959
TOTALS1437292+1145
📊

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