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BOSTON MARATHON 2025

Rob Lapensee

Bib: 6184•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 15%
Gender (Male)
#0 / 16105
Top 24%
Masters (Masters Men)
#0 / 10463
Top 11%
Division (M45-49)
#0 / 2386
Top 14%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:53
Rank: #3124
Start → 5K
6:24/mi
19:53 split
10K· 6.21 mi
39:49
Rank: #3130 (-6)
5K → 10K
6:25/mi
19:56 split
15K· 9.32 mi
59:45
Rank: #3080 (+50)
10K → 15K
6:25/mi
19:56 split
20K· 12.43 mi
1:20:10
Rank: #3169 (-89)
15K → 20K
6:34/mi
20:25 split
Half· 13.11 mi
1:24:31
Rank: #3152 (+17)
20K → Half
6:23/mi
4:21 split
25K· 15.53 mi
1:40:35
Rank: #3225 (-73)
Half → 25K
6:38/mi
16:04 split
30K· 18.64 mi
2:02:18
Rank: #3397 (-172)
25K → 30K
6:59/mi
21:43 split
20M
2:12:15
Rank: #3561 (-164)
30K → 20M
7:19/mi
9:57 split
21M
2:20:25
Rank: #3766 (-205)
20M → 21M
8:10/mi
8:10 split
35K· 21.75 mi
2:26:02
Rank: #3914 (-148)
21M → 35K
7:30/mi
5:37 split
23M
2:35:18
Rank: #4038 (-124)
35K → 23M
7:24/mi
9:16 split
24M
2:42:14
Rank: #4026 (+12)
23M → 24M
6:56/mi
6:56 split
40K· 24.85 mi
2:48:45
Rank: #4137 (-111)
24M → 40K
7:37/mi
6:31 split
25.2M
2:51:34
Rank: #4177 (-40)
40K → 25.2M
8:10/mi
2:49 split
Finish· 26.22 mi
2:58:46
Rank: #4273 (-96)
25.2M → Finish
7:04/mi
7:12 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:31
Pace6:27 /mi
2nd Half
Distance13.11 mi
Time1:34:15
Pace7:11 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:0819:536:2419:53
6:24
-
10K
6.21 mi10:45:0439:496:2419:56
6:25
+0:01
15K
9.32 mi11:05:0059:456:2519:56
6:25
0:00
20K
12.43 mi11:25:251:20:106:2720:25
6:34
+0:09
Half
13.11 mi11:29:461:24:316:274:21
6:23
-0:11
25K
15.53 mi11:45:501:40:356:2816:04
6:38
+0:15
30K
18.64 mi12:07:332:02:186:3421:43
6:59
+0:21
20M
20.00 mi12:17:302:12:156:379:57
7:19
+0:20
21M
21.00 mi12:25:402:20:256:418:10
8:10
+0:51
35K
21.75 mi12:31:172:26:026:435:37
7:30
-0:40
23M
23.00 mi12:40:332:35:186:459:16
7:24
-0:06
24M
24.00 mi12:47:292:42:146:466:56
6:56
-0:28
40K
24.85 mi12:54:002:48:456:476:31
7:37
+0:41
25.2M
25.20 mi12:56:492:51:346:482:49
8:10
+0:33
Finish
26.22 mi13:04:012:58:466:497:12
7:04
-1:06

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

6:23 /mi

Average Pace

6:49 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:35

56% of race

Time at Steady Pace

35:51

20% of race

Time at Slower Pace

42:20

24% of race

Average Pace: 6:49 /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 mi10:25:0819:536:2419:53
6:24
#3124
10K
6.21 mi10:45:0439:496:2419:56
6:25
#3130
15K
9.32 mi11:05:0059:456:2519:56
6:25
#3080
20K
12.43 mi11:25:251:20:106:2720:25
6:34
#3169
Half
13.11 mi11:29:461:24:316:274:21
6:23
#3152
25K
15.53 mi11:45:501:40:356:2816:04
6:38
#3225
30K
18.64 mi12:07:332:02:186:3421:43
6:59
#3397
20M
20.00 mi12:17:302:12:156:379:57
7:19
#3561
21M
21.00 mi12:25:402:20:256:418:10
8:10
#3766
35K
21.75 mi12:31:172:26:026:435:37
7:30
#3914
23M
23.00 mi12:40:332:35:186:459:16
7:24
#4038
24M
24.00 mi12:47:292:42:146:466:56
6:56
#4026
40K
24.85 mi12:54:002:48:456:476:31
7:37
#4137
25.2M
25.20 mi12:56:492:51:346:482:49
8:10
#4177
Finish
26.22 mi13:04:012:58:466:497:12
7:04
#4273
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi3124296829683046(Top 11%)2903(Top 18%)2903(Top 122%)
10K6.21 mi3.10 mi3130-62977-92977-93162(Top 11%)3010(Top 19%)3010(Top 126%)
15K9.32 mi3.11 mi3080+502933+442933+443046(Top 11%)2903(Top 18%)2903(Top 122%)
20K12.43 mi3.11 mi3169-893018-853018-853543(Top 12%)3353(Top 21%)3353(Top 141%)
Half13.11 mi0.68 mi3152+173005+133005+132982(Top 10%)2849(Top 18%)2849(Top 119%)
25K15.53 mi2.42 mi3225-733072-673072-673645(Top 13%)3432(Top 21%)3432(Top 144%)
30K18.64 mi3.11 mi3397-1723214-1423214-1424634(Top 16%)4229(Top 26%)4229(Top 177%)
20M20.00 mi1.36 mi3561-1643361-1473361-1475922(Top 21%)5145(Top 32%)5145(Top 216%)
21M21.00 mi1.00 mi3766-2053541-1803541-1808336(Top 29%)6436(Top 40%)6436(Top 270%)
35K21.75 mi0.75 mi3914-1483665-1243665-1248634(Top 30%)6643(Top 41%)6643(Top 278%)
23M23.00 mi1.25 mi4038-1243759-943759-946047(Top 21%)4992(Top 31%)4992(Top 209%)
24M24.00 mi1.00 mi4026+123743+163743+164268(Top 15%)3749(Top 23%)3749(Top 157%)
40K24.85 mi0.85 mi4137-1113822-793822-797517(Top 26%)5722(Top 36%)5722(Top 240%)
25.2M25.20 mi0.35 mi4177-403856-343856-346808(Top 24%)5227(Top 32%)5227(Top 219%)
Finish26.22 mi1.02 mi4273-963933-773933-776144(Top 22%)4820(Top 30%)4820(Top 202%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21story building
+97ft-345ft

Overall

3046

Males

2903

M45-49

2903

5K→10K

3.1 - 6.2 mi

Top 11%
×5story building
+79ft-138ft

Overall

3162

Males

3010

M45-49

3010

10K→15K

6.2 - 9.3 mi

Top 11%
×3story building
+67ft-78ft

Overall

3046

Males

2903

M45-49

2903

15K→20K

9.3 - 12.4 mi

Top 12%
×5story building
+106ft-86ft

Overall

3543

Males

3353

M45-49

3353

20K→Half

12.4 - 13.1 mi

Top 10%
×2story building
+19ft-37ft

Overall

2982

Males

2849

M45-49

2849

Half→25K

13.1 - 15.5 mi

Top 13%
×4story building
+66ft-88ft

Overall

3645

Males

3432

M45-49

3432

25K→30K

15.5 - 18.6 mi

Top 16%
×9story building
+181ft-148ft

Overall

4634

Males

4229

M45-49

4229

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

5922

Males

5145

M45-49

5145

20M→21M

20.0 - 21.0 mi

Top 29%
×8story building
+106ft-24ft

Overall

8336

Males

6436

M45-49

6436

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

8634

Males

6643

M45-49

6643

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

6047

Males

4992

M45-49

4992

23M→24M

23.0 - 24.0 mi

Top 15%
×6story building
+12ft-82ft

Overall

4268

Males

3749

M45-49

3749

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7517

Males

5722

M45-49

5722

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6808

Males

5227

M45-49

5227

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2story building
+22ft-21ft

Overall

6144

Males

4820

M45-49

4820

Passing Analysis

Category:
Athletes Passed
630
Passed By
1779
Net Change
-1149
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3124
5K → 10K128134-6#3124#3130
10K → 15K10656+50#3130#3080
15K → 20K60149-89#3080#3169
20K → Half269+17#3169#3152
Half → 25K49122-73#3152#3225
25K → 30K67239-172#3225#3397
30K → 20M27191-164#3397#3561
20M → 21M12217-205#3561#3766
21M → 35K10158-148#3766#3914
35K → 23M39163-124#3914#4038
23M → 24M5341+12#4038#4026
24M → 40K23134-111#4026#4137
40K → 25.2M1050-40#4137#4177
25.2M → Finish20116-96#4177#4273
TOTALS6301779-1149
📊

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