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BOSTON MARATHON 2025

Ben Langlois

Bib: 8232•M

NH

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:20
Rank: #22920
Start → 5K
28:20 | 9:07/mi
10K· 6.21 mi
55:59
Rank: #22473 (+447)
5K → 10K
27:39 | 8:54/mi
15K· 9.32 mi
1:23:32
Rank: #22132 (+341)
10K → 15K
27:33 | 8:52/mi
20K· 12.43 mi
1:53:13
Rank: #22401 (-269)
15K → 20K
29:41 | 9:33/mi
Half· 13.11 mi
1:59:51
Rank: #22538 (-137)
20K → Half
6:38 | 9:43/mi
25K· 15.53 mi
2:25:50
Rank: #23084 (-546)
Half → 25K
25:59 | 10:43/mi
30K· 18.64 mi
3:00:53
Rank: #23414 (-330)
25K → 30K
35:03 | 11:17/mi
20M
3:18:02
Rank: #23737 (-323)
30K → 20M
17:09 | 12:37/mi
21M
3:30:42
Rank: #23819 (-82)
20M → 21M
12:40 | 12:40/mi
35K· 21.75 mi
3:40:21
Rank: #24005 (-186)
21M → 35K
9:39 | 12:54/mi
23M
3:56:19
Rank: #24188 (-183)
35K → 23M
15:58 | 12:45/mi
24M
4:09:12
Rank: #24364 (-176)
23M → 24M
12:53 | 12:53/mi
40K· 24.85 mi
4:20:26
Rank: #24500 (-136)
24M → 40K
11:14 | 13:08/mi
25.2M
4:25:03
Rank: #24518 (-18)
40K → 25.2M
4:37 | 13:23/mi
Finish· 26.22 mi
4:37:26
Rank: #24647 (-129)
25.2M → Finish
12:23 | 12:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:51
Pace9:09 /mi
2nd Half
Distance13.11 mi
Time2:37:35
Pace12:01 /mi
📊Positive Split: 31.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:38:1028:209:0728:20
9:07
-
10K
6.21 mi11:05:4955:599:0127:39
8:54
-0:13
15K
9.32 mi11:33:221:23:328:5827:33
8:52
-0:02
20K
12.43 mi12:03:031:53:139:0729:41
9:33
+0:41
Half
13.11 mi12:09:411:59:519:096:38
9:43
+0:10
25K
15.53 mi12:35:402:25:509:2325:59
10:43
+1:00
30K
18.64 mi13:10:433:00:539:4235:03
11:17
+0:34
20M
20.00 mi13:27:523:18:029:5417:09
12:37
+1:20
21M
21.00 mi13:40:323:30:4210:0212:40
12:40
+0:03
35K
21.75 mi13:50:113:40:2110:089:39
12:54
+0:14
23M
23.00 mi14:06:093:56:1910:1615:58
12:45
-0:09
24M
24.00 mi14:19:024:09:1210:2312:53
12:53
+0:08
40K
24.85 mi14:30:164:20:2610:2911:14
13:08
+0:15
25.2M
25.20 mi14:34:534:25:0310:314:37
13:23
+0:15
Finish
26.22 mi14:47:164:37:2610:3512:23
12:09
-1:14

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

8:52 /mi

Average Pace

10:35 /mi

Slowest Pace

13:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:53

65% of race

Time at Steady Pace

1:20:42

29% of race

Time at Slower Pace

15:51

6% of race

Average Pace: 10:35 /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 mi10:38:1028:209:0728:20
9:07
#22920
10K
6.21 mi11:05:4955:599:0127:39
8:54
#22473
15K
9.32 mi11:33:221:23:328:5827:33
8:52
#22132
20K
12.43 mi12:03:031:53:139:0729:41
9:33
#22401
Half
13.11 mi12:09:411:59:519:096:38
9:43
#22538
25K
15.53 mi12:35:402:25:509:2325:59
10:43
#23084
30K
18.64 mi13:10:433:00:539:4235:03
11:17
#23414
20M
20.00 mi13:27:523:18:029:5417:09
12:37
#23737
21M
21.00 mi13:40:323:30:4210:0212:40
12:40
#23819
35K
21.75 mi13:50:113:40:2110:089:39
12:54
#24005
23M
23.00 mi14:06:093:56:1910:1615:58
12:45
#24188
24M
24.00 mi14:19:024:09:1210:2312:53
12:53
#24364
40K
24.85 mi14:30:164:20:2610:2911:14
13:08
#24500
25.2M
25.20 mi14:34:534:25:0310:314:37
13:23
#24518
Finish
26.22 mi14:47:164:37:2610:3512:23
12:09
#24647
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22920137321373221381(Top 75%)13122(Top 81%)13122(Top 233%)
10K6.21 mi3.10 mi22473+44713537+19513537+19521924(Top 77%)13310(Top 83%)13310(Top 236%)
15K9.32 mi3.11 mi22132+34113403+13413403+13421381(Top 75%)13122(Top 81%)13122(Top 233%)
20K12.43 mi3.11 mi22401-26913526-12313526-12323070(Top 81%)13823(Top 86%)13823(Top 245%)
Half13.11 mi0.68 mi22538-13713597-7113597-7124158(Top 85%)14307(Top 89%)14307(Top 254%)
25K15.53 mi2.42 mi23084-54613836-23913836-23924746(Top 87%)14531(Top 90%)14531(Top 258%)
30K18.64 mi3.11 mi23414-33013943-10713943-10724513(Top 86%)14313(Top 89%)14313(Top 254%)
20M20.00 mi1.36 mi23737-32314061-11814061-11826041(Top 92%)14942(Top 93%)14942(Top 265%)
21M21.00 mi1.00 mi23819-8214094-3314094-3324618(Top 87%)14197(Top 88%)14197(Top 252%)
35K21.75 mi0.75 mi24005-18614158-6414158-6426868(Top 95%)15274(Top 95%)15274(Top 271%)
23M23.00 mi1.25 mi24188-18314226-6814226-6826098(Top 92%)14886(Top 92%)14886(Top 264%)
24M24.00 mi1.00 mi24364-17614303-7714303-7726719(Top 94%)15159(Top 94%)15159(Top 269%)
40K24.85 mi0.85 mi24500-13614355-5214355-5226423(Top 93%)15011(Top 93%)15011(Top 266%)
25.2M25.20 mi0.35 mi24518-1814361-614361-625534(Top 90%)14504(Top 90%)14504(Top 257%)
Finish26.22 mi1.02 mi24647-12914409-4814409-4826954(Top 95%)15278(Top 95%)15278(Top 271%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

21381

Males

13122

M18-39

13122

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

21924

Males

13310

M18-39

13310

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

21381

Males

13122

M18-39

13122

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

23070

Males

13823

M18-39

13823

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

24158

Males

14307

M18-39

14307

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

24746

Males

14531

M18-39

14531

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

24513

Males

14313

M18-39

14313

30K→20M

18.6 - 20.0 mi

Top 92%
×5stories
+64ft-50ft

Overall

26041

Males

14942

M18-39

14942

20M→21M

20.0 - 21.0 mi

Top 87%
×8stories
+106ft-24ft

Overall

24618

Males

14197

M18-39

14197

21M→35K

21.0 - 21.8 mi

Top 95%
×7stories
+17ft-86ft

Overall

26868

Males

15274

M18-39

15274

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

26098

Males

14886

M18-39

14886

23M→24M

23.0 - 24.0 mi

Top 94%
×6stories
+12ft-82ft

Overall

26719

Males

15159

M18-39

15159

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

26423

Males

15011

M18-39

15011

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

25534

Males

14504

M18-39

14504

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2stories
+22ft-21ft

Overall

26954

Males

15278

M18-39

15278

Passing Analysis

Category:
Athletes Passed
1278
Passed By
3005
Net Change
-1727
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22920
5K → 10K52982+447#22920#22473
10K → 15K38847+341#22473#22132
15K → 20K106375-269#22132#22401
20K → Half10147-137#22401#22538
Half → 25K37583-546#22538#23084
25K → 30K78408-330#23084#23414
30K → 20M18341-323#23414#23737
20M → 21M44126-82#23737#23819
21M → 35K4190-186#23819#24005
35K → 23M26209-183#24005#24188
23M → 24M15191-176#24188#24364
24M → 40K6142-136#24364#24500
40K → 25.2M826-18#24500#24518
25.2M → Finish9138-129#24518#24647
TOTALS12783005-1727
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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