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BOSTON MARATHON 2025

Shane Lapan

Bib: 19727•M

ID

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
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
8:19/mi
25:51
↑ 97↓ 3451.5%
10K· 6.21 mi
8:42/mi
52:52
↑ 79↓ 1380.4%
15K· 9.32 mi
8:53/mi
1:20:27
↑ 67↓ 78
20K· 12.43 mi
9:19/mi
1:49:24
↑ 106↓ 860.1%
Half· 13.11 mi
9:01/mi
1:55:33
↑ 19↓ 370.5%
25K· 15.53 mi
9:30/mi
2:18:36
↑ 66↓ 880.2%
30K· 18.64 mi
10:54/mi
2:52:29
↑ 181↓ 1480.2%
20M
11:45/mi
3:08:27
↑ 64↓ 500.2%
21M
13:38/mi
3:22:05
↑ 106↓ 241.6%
35K· 21.75 mi
11:58/mi
3:31:02
↑ 17↓ 861.7%
23M
12:06/mi
3:46:11
↑ 23↓ 630.6%
24M
12:18/mi
3:58:29
↓ 821.3%
40K· 24.85 mi
12:58/mi
4:09:34
↓ 200.3%
25.2M
13:32/mi
4:14:14
↑ 13↓ 160.2%
Finish· 26.22 mi
11:51/mi
4:26:19
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:33
Pace8:49 /mi
2nd Half
Distance13.11 mi
Time2:30:46
Pace11:30 /mi
📊Positive Split: 30.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:5525:518:1925:51
8:19
-
10K
6.21 mi11:46:5652:528:3027:01
8:42
+0:23
15K
9.32 mi12:14:311:20:278:3827:35
8:53
+0:11
20K
12.43 mi12:43:281:49:248:4828:57
9:19
+0:26
Half
13.11 mi12:49:371:55:338:496:09
9:01
-0:18
25K
15.53 mi13:12:402:18:368:5523:03
9:30
+0:29
30K
18.64 mi13:46:332:52:299:1533:53
10:54
+1:24
20M
20.00 mi14:02:313:08:279:2515:58
11:45
+0:51
21M
21.00 mi14:16:093:22:059:3713:38
13:38
+1:53
35K
21.75 mi14:25:063:31:029:428:57
11:58
-1:40
23M
23.00 mi14:40:153:46:119:5015:09
12:06
+0:08
24M
24.00 mi14:52:333:58:299:5612:18
12:18
+0:12
40K
24.85 mi15:03:384:09:3410:0211:05
12:58
+0:40
25.2M
25.20 mi15:08:184:14:1410:054:40
13:32
+0:34
Finish
26.22 mi15:20:234:26:1910:1012:05
11:51
-1:41

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

8:19 /mi

Average Pace

10:10 /mi

Slowest Pace

13:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:36

52% of race

Time at Steady Pace

1:38:20

37% of race

Time at Slower Pace

29:23

11% of race

Average Pace: 10:09 /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 mi11:19:5525:518:1925:51
8:19
#18829
10K
6.21 mi11:46:5652:528:3027:01
8:42
#19886
15K
9.32 mi12:14:311:20:278:3827:35
8:53
#20378
20K
12.43 mi12:43:281:49:248:4828:57
9:19
#20948
Half
13.11 mi12:49:371:55:338:496:09
9:01
#20989
25K
15.53 mi13:12:402:18:368:5523:03
9:30
#21214
30K
18.64 mi13:46:332:52:299:1533:53
10:54
#21984
20M
20.00 mi14:02:313:08:279:2515:58
11:45
#22321
21M
21.00 mi14:16:093:22:059:3713:38
13:38
#22639
35K
21.75 mi14:25:063:31:029:428:57
11:58
#22808
23M
23.00 mi14:40:153:46:119:5015:09
12:06
#23007
24M
24.00 mi14:52:333:58:299:5612:18
12:18
#23203
40K
24.85 mi15:03:384:09:3410:0211:05
12:58
#23366
25.2M
25.20 mi15:08:184:14:1410:054:40
13:32
#23437
Finish
26.22 mi15:20:234:26:1910:1012:05
11:51
#23627
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi18829119651196521447(Top 76%)13146(Top 82%)13146(Top 798%)
10K6.21 mi3.10 mi19886-105712427-46212427-46220843(Top 73%)12850(Top 80%)12850(Top 780%)
15K9.32 mi3.11 mi20378-49212633-20612633-20621447(Top 76%)13146(Top 82%)13146(Top 798%)
20K12.43 mi3.11 mi20948-57012885-25212885-25222320(Top 79%)13501(Top 84%)13501(Top 819%)
Half13.11 mi0.68 mi20989-4112909-2412909-2421880(Top 77%)13304(Top 83%)13304(Top 807%)
25K15.53 mi2.42 mi21214-22512993-8412993-8421888(Top 77%)13240(Top 82%)13240(Top 803%)
30K18.64 mi3.11 mi21984-77013309-31613309-31623834(Top 84%)13996(Top 87%)13996(Top 849%)
20M20.00 mi1.36 mi22321-33713434-12513434-12524914(Top 88%)14425(Top 90%)14425(Top 875%)
21M21.00 mi1.00 mi22639-31813554-12013554-12025806(Top 91%)14790(Top 92%)14790(Top 897%)
35K21.75 mi0.75 mi22808-16913609-5513609-5525808(Top 91%)14732(Top 91%)14732(Top 894%)
23M23.00 mi1.25 mi23007-19913682-7313682-7325262(Top 89%)14457(Top 90%)14457(Top 877%)
24M24.00 mi1.00 mi23203-19613743-6113743-6126046(Top 92%)14829(Top 92%)14829(Top 900%)
40K24.85 mi0.85 mi23366-16313814-7113814-7126260(Top 92%)14918(Top 93%)14918(Top 905%)
25.2M25.20 mi0.35 mi23437-7113840-2613840-2625713(Top 91%)14595(Top 91%)14595(Top 886%)
Finish26.22 mi1.02 mi23627-19013911-7113911-7126630(Top 94%)15115(Top 94%)15115(Top 917%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

21447

Males

13146

M55-59

13146

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

20843

Males

12850

M55-59

12850

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

21447

Males

13146

M55-59

13146

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

22320

Males

13501

M55-59

13501

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

21880

Males

13304

M55-59

13304

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

21888

Males

13240

M55-59

13240

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

23834

Males

13996

M55-59

13996

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

24914

Males

14425

M55-59

14425

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

25806

Males

14790

M55-59

14790

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

25808

Males

14732

M55-59

14732

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

25262

Males

14457

M55-59

14457

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

26046

Males

14829

M55-59

14829

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

26260

Males

14918

M55-59

14918

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

25713

Males

14595

M55-59

14595

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2story building
+22ft-21ft

Overall

26630

Males

15115

M55-59

15115

Passing Analysis

Category:
Athletes Passed
497
Passed By
5295
Net Change
-4798
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18829
5K → 10K521109-1057#18829#19886
10K → 15K79571-492#19886#20378
15K → 20K66636-570#20378#20948
20K → Half2061-41#20948#20989
Half → 25K85310-225#20989#21214
25K → 30K51821-770#21214#21984
30K → 20M28365-337#21984#22321
20M → 21M21339-318#22321#22639
21M → 35K18187-169#22639#22808
35K → 23M24223-199#22808#23007
23M → 24M20216-196#23007#23203
24M → 40K16179-163#23203#23366
40K → 25.2M1081-71#23366#23437
25.2M → Finish7197-190#23437#23627
TOTALS4975295-4798
📊

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