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BOSTON MARATHON 2025

Bruce Langerak

Bib: 3817•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 21%
Masters (Masters Men)
#0 / 10463
Top 8%
Division (M50-54)
#0 / 1996
Top 4%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:35
Rank: #4810
Start → 5K
20:35 | 6:38/mi
10K· 6.21 mi
41:31
Rank: #5204 (-394)
5K → 10K
20:56 | 6:44/mi
15K· 9.32 mi
1:02:20
Rank: #5137 (+67)
10K → 15K
20:49 | 6:42/mi
20K· 12.43 mi
1:23:04
Rank: #4857 (+280)
15K → 20K
20:44 | 6:40/mi
Half· 13.11 mi
1:27:33
Rank: #4815 (+42)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:43:46
Rank: #4629 (+186)
Half → 25K
16:13 | 6:41/mi
30K· 18.64 mi
2:04:55
Rank: #4329 (+300)
25K → 30K
21:09 | 6:48/mi
20M
2:14:04
Rank: #4134 (+195)
30K → 20M
9:09 | 6:44/mi
21M
2:21:06
Rank: #3987 (+147)
20M → 21M
7:02 | 7:02/mi
35K· 21.75 mi
2:26:03
Rank: #3921 (+66)
21M → 35K
4:57 | 6:37/mi
23M
2:34:38
Rank: #3832 (+89)
35K → 23M
8:35 | 6:51/mi
24M
2:41:23
Rank: #3778 (+54)
23M → 24M
6:45 | 6:45/mi
40K· 24.85 mi
2:47:14
Rank: #3722 (+56)
24M → 40K
5:51 | 6:51/mi
25.2M
2:49:45
Rank: #3671 (+51)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:56:26
Rank: #3602 (+69)
25.2M → Finish
6:41 | 6:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:33
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:28:53
Pace6:47 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:2620:356:3820:35
6:38
-
10K
6.21 mi10:44:2241:316:4120:56
6:44
+0:06
15K
9.32 mi11:05:111:02:206:4120:49
6:42
-0:02
20K
12.43 mi11:25:551:23:046:4120:44
6:40
-0:02
Half
13.11 mi11:30:241:27:336:414:29
6:34
-0:06
25K
15.53 mi11:46:371:43:466:4116:13
6:41
+0:07
30K
18.64 mi12:07:462:04:556:4221:09
6:48
+0:07
20M
20.00 mi12:16:552:14:046:429:09
6:44
-0:04
21M
21.00 mi12:23:572:21:066:437:02
7:02
+0:18
35K
21.75 mi12:28:542:26:036:434:57
6:37
-0:25
23M
23.00 mi12:37:292:34:386:438:35
6:51
+0:14
24M
24.00 mi12:44:142:41:236:436:45
6:45
-0:06
40K
24.85 mi12:50:052:47:146:445:51
6:51
+0:06
25.2M
25.20 mi12:52:362:49:456:442:31
7:18
+0:27
Finish
26.22 mi12:59:172:56:266:446:41
6:34
-0:44

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

6:34 /mi

Average Pace

6:44 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:55

99% of race

Time at Steady Pace

2:31

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:44 /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 mi10:23:2620:356:3820:35
6:38
#4810
10K
6.21 mi10:44:2241:316:4120:56
6:44
#5204
15K
9.32 mi11:05:111:02:206:4120:49
6:42
#5137
20K
12.43 mi11:25:551:23:046:4120:44
6:40
#4857
Half
13.11 mi11:30:241:27:336:414:29
6:34
#4815
25K
15.53 mi11:46:371:43:466:4116:13
6:41
#4629
30K
18.64 mi12:07:462:04:556:4221:09
6:48
#4329
20M
20.00 mi12:16:552:14:046:429:09
6:44
#4134
21M
21.00 mi12:23:572:21:066:437:02
7:02
#3987
35K
21.75 mi12:28:542:26:036:434:57
6:37
#3921
23M
23.00 mi12:37:292:34:386:438:35
6:51
#3832
24M
24.00 mi12:44:142:41:236:436:45
6:45
#3778
40K
24.85 mi12:50:052:47:146:445:51
6:51
#3722
25.2M
25.20 mi12:52:362:49:456:442:31
7:18
#3671
Finish
26.22 mi12:59:172:56:266:446:41
6:34
#3602
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi4810450345035078(Top 18%)4713(Top 29%)4713(Top 236%)
10K6.21 mi3.10 mi5204-3944840-3374840-3375700(Top 20%)5229(Top 32%)5229(Top 262%)
15K9.32 mi3.11 mi5137+674781+594781+595078(Top 18%)4713(Top 29%)4713(Top 236%)
20K12.43 mi3.11 mi4857+2804526+2554526+2554210(Top 15%)3947(Top 25%)3947(Top 198%)
Half13.11 mi0.68 mi4815+424487+394487+394203(Top 15%)3942(Top 24%)3942(Top 197%)
25K15.53 mi2.42 mi4629+1864316+1714316+1714056(Top 14%)3780(Top 23%)3780(Top 189%)
30K18.64 mi3.11 mi4329+3004049+2674049+2673500(Top 12%)3255(Top 20%)3255(Top 163%)
20M20.00 mi1.36 mi4134+1953870+1793870+1792641(Top 9%)2483(Top 15%)2483(Top 124%)
21M21.00 mi1.00 mi3987+1473735+1353735+1352412(Top 8%)2253(Top 14%)2253(Top 113%)
35K21.75 mi0.75 mi3921+663672+633672+633079(Top 11%)2834(Top 18%)2834(Top 142%)
23M23.00 mi1.25 mi3832+893582+903582+903007(Top 11%)2749(Top 17%)2749(Top 138%)
24M24.00 mi1.00 mi3778+543528+543528+543252(Top 11%)2932(Top 18%)2932(Top 147%)
40K24.85 mi0.85 mi3722+563473+553473+553069(Top 11%)2765(Top 17%)2765(Top 139%)
25.2M25.20 mi0.35 mi3671+513425+483425+482574(Top 9%)2308(Top 14%)2308(Top 116%)
Finish26.22 mi1.02 mi3602+693358+673358+673110(Top 11%)2765(Top 17%)2765(Top 139%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

5078

Males

4713

M50-54

4713

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5700

Males

5229

M50-54

5229

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

5078

Males

4713

M50-54

4713

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4210

Males

3947

M50-54

3947

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4203

Males

3942

M50-54

3942

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

4056

Males

3780

M50-54

3780

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3500

Males

3255

M50-54

3255

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2641

Males

2483

M50-54

2483

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2412

Males

2253

M50-54

2253

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

3079

Males

2834

M50-54

2834

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

3007

Males

2749

M50-54

2749

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3252

Males

2932

M50-54

2932

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3069

Males

2765

M50-54

2765

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2574

Males

2308

M50-54

2308

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3110

Males

2765

M50-54

2765

Passing Analysis

Category:
Athletes Passed
1921
Passed By
713
Net Change
+1208
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4810
5K → 10K61455-394#4810#5204
10K → 15K172105+67#5204#5137
15K → 20K29515+280#5137#4857
20K → Half508+42#4857#4815
Half → 25K20519+186#4815#4629
25K → 30K31515+300#4629#4329
30K → 20M1994+195#4329#4134
20M → 21M1536+147#4134#3987
21M → 35K726+66#3987#3921
35K → 23M10718+89#3921#3832
23M → 24M7824+54#3832#3778
24M → 40K7216+56#3778#3722
40K → 25.2M576+51#3722#3671
25.2M → Finish8516+69#3671#3602
TOTALS1921713+1208
📊

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