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BOSTON MARATHON 2025

Shane Lavin

Bib: 32042•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 49%
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
23:53
Rank: #13853
Start → 5K
23:53 | 7:41/mi
10K· 6.21 mi
47:42
Rank: #13718 (+135)
5K → 10K
23:49 | 7:40/mi
15K· 9.32 mi
1:12:00
Rank: #13970 (-252)
10K → 15K
24:18 | 7:49/mi
20K· 12.43 mi
1:36:14
Rank: #13740 (+230)
15K → 20K
24:14 | 7:48/mi
Half· 13.11 mi
1:41:26
Rank: #13689 (+51)
20K → Half
5:12 | 7:37/mi
25K· 15.53 mi
2:00:27
Rank: #13469 (+220)
Half → 25K
19:01 | 7:51/mi
30K· 18.64 mi
2:26:36
Rank: #13598 (-129)
25K → 30K
26:09 | 8:25/mi
20M
2:38:11
Rank: #13598
30K → 20M
11:35 | 8:31/mi
21M
2:47:10
Rank: #13550 (+48)
20M → 21M
8:59 | 8:59/mi
35K· 21.75 mi
2:53:33
Rank: #13624 (-74)
21M → 35K
6:23 | 8:32/mi
23M
3:04:49
Rank: #13805 (-181)
35K → 23M
11:16 | 9:00/mi
24M
3:13:26
Rank: #13881 (-76)
23M → 24M
8:37 | 8:37/mi
40K· 24.85 mi
3:20:57
Rank: #13917 (-36)
24M → 40K
7:31 | 8:47/mi
25.2M
3:24:12
Rank: #13910 (+7)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:32:15
Rank: #13821 (+89)
25.2M → Finish
8:03 | 7:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:26
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:50:49
Pace8:27 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:0723:537:4123:53
7:41
-
10K
6.21 mi12:11:5647:427:4123:49
7:40
-0:01
15K
9.32 mi12:36:141:12:007:4324:18
7:49
+0:09
20K
12.43 mi13:00:281:36:147:4524:14
7:48
-0:01
Half
13.11 mi13:05:401:41:267:445:12
7:37
-0:11
25K
15.53 mi13:24:412:00:277:4519:01
7:51
+0:14
30K
18.64 mi13:50:502:26:367:5226:09
8:25
+0:34
20M
20.00 mi14:02:252:38:117:5511:35
8:31
+0:06
21M
21.00 mi14:11:242:47:107:588:59
8:59
+0:28
35K
21.75 mi14:17:472:53:337:596:23
8:32
-0:27
23M
23.00 mi14:29:033:04:498:0211:16
9:00
+0:28
24M
24.00 mi14:37:403:13:268:048:37
8:37
-0:23
40K
24.85 mi14:45:113:20:578:057:31
8:47
+0:10
25.2M
25.20 mi14:48:263:24:128:063:15
9:25
+0:38
Finish
26.22 mi14:56:293:32:158:068:03
7:54
-1:31

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

7:37 /mi

Average Pace

8:06 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:30

61% of race

Time at Steady Pace

52:44

25% of race

Time at Slower Pace

31:01

15% of race

Average Pace: 8:06 /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 mi11:48:0723:537:4123:53
7:41
#13853
10K
6.21 mi12:11:5647:427:4123:49
7:40
#13718
15K
9.32 mi12:36:141:12:007:4324:18
7:49
#13970
20K
12.43 mi13:00:281:36:147:4524:14
7:48
#13740
Half
13.11 mi13:05:401:41:267:445:12
7:37
#13689
25K
15.53 mi13:24:412:00:277:4519:01
7:51
#13469
30K
18.64 mi13:50:502:26:367:5226:09
8:25
#13598
20M
20.00 mi14:02:252:38:117:5511:35
8:31
#13598
21M
21.00 mi14:11:242:47:107:588:59
8:59
#13550
35K
21.75 mi14:17:472:53:337:596:23
8:32
#13624
23M
23.00 mi14:29:033:04:498:0211:16
9:00
#13805
24M
24.00 mi14:37:403:13:268:048:37
8:37
#13881
40K
24.85 mi14:45:113:20:578:057:31
8:47
#13917
25.2M
25.20 mi14:48:263:24:128:063:15
9:25
#13910
Finish
26.22 mi14:56:293:32:158:068:03
7:54
#13821
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi13853100061000614545(Top 51%)10162(Top 63%)10162(Top 180%)
10K6.21 mi3.10 mi13718+1359903+1039903+10313574(Top 48%)9832(Top 61%)9832(Top 174%)
15K9.32 mi3.11 mi13970-2529977-749977-7414545(Top 51%)10162(Top 63%)10162(Top 180%)
20K12.43 mi3.11 mi13740+2309839+1389839+13813265(Top 47%)9540(Top 59%)9540(Top 169%)
Half13.11 mi0.68 mi13689+519807+329807+3212727(Top 45%)9350(Top 58%)9350(Top 166%)
25K15.53 mi2.42 mi13469+2209680+1279680+12712681(Top 45%)9162(Top 57%)9162(Top 162%)
30K18.64 mi3.11 mi13598-1299678+29678+214230(Top 50%)9695(Top 60%)9695(Top 172%)
20M20.00 mi1.36 mi135989653+259653+2513923(Top 49%)9407(Top 58%)9407(Top 167%)
21M21.00 mi1.00 mi13550+489591+629591+6213378(Top 47%)9037(Top 56%)9037(Top 160%)
35K21.75 mi0.75 mi13624-749602-119602-1115628(Top 55%)9996(Top 62%)9996(Top 177%)
23M23.00 mi1.25 mi13805-1819650-489650-4816219(Top 57%)10166(Top 63%)10166(Top 180%)
24M24.00 mi1.00 mi13881-769651-19651-115232(Top 54%)9685(Top 60%)9685(Top 172%)
40K24.85 mi0.85 mi13917-369627+249627+2415115(Top 53%)9491(Top 59%)9491(Top 168%)
25.2M25.20 mi0.35 mi13910+79623+49623+414094(Top 50%)8979(Top 56%)8979(Top 159%)
Finish26.22 mi1.02 mi13821+899560+639560+6312152(Top 43%)8118(Top 50%)8118(Top 144%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

14545

Males

10162

M18-39

10162

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

13574

Males

9832

M18-39

9832

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

14545

Males

10162

M18-39

10162

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

13265

Males

9540

M18-39

9540

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

12727

Males

9350

M18-39

9350

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

12681

Males

9162

M18-39

9162

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

14230

Males

9695

M18-39

9695

30K→20M

18.6 - 20.0 mi

Top 49%
×5stories
+64ft-50ft

Overall

13923

Males

9407

M18-39

9407

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

13378

Males

9037

M18-39

9037

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

15628

Males

9996

M18-39

9996

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

16219

Males

10166

M18-39

10166

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

15232

Males

9685

M18-39

9685

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

15115

Males

9491

M18-39

9491

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14094

Males

8979

M18-39

8979

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

12152

Males

8118

M18-39

8118

Passing Analysis

Category:
Athletes Passed
1979
Passed By
1947
Net Change
+32
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13853
5K → 10K349214+135#13853#13718
10K → 15K109361-252#13718#13970
15K → 20K32797+230#13970#13740
20K → Half6211+51#13740#13689
Half → 25K27252+220#13689#13469
25K → 30K206335-129#13469#13598
30K → 20M1271270#13598#13598
20M → 21M12880+48#13598#13550
21M → 35K31105-74#13550#13624
35K → 23M71252-181#13624#13805
23M → 24M67143-76#13805#13881
24M → 40K73109-36#13881#13917
40K → 25.2M3831+7#13917#13910
25.2M → Finish11930+89#13910#13821
TOTALS19791947+32
📊

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