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BOSTON MARATHON 2025

Michael Lamagna

MA

Bib: 29810 M

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:16/mi
28:48
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:57/mi
56:36
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:57/mi
1:24:23
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:32/mi
1:54:01
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:58/mi
2:00:08
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
12:50/mi
2:31:14
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
14:15/mi
3:15:30
↑ 181↓ 1480.2%
138 ft elev
20M
11:51/mi
3:31:36
↑ 64↓ 500.2%
148 ft elev
21M
12:40/mi
3:44:16
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
11:59/mi
3:53:14
↑ 17↓ 861.7%
156 ft elev
23M
12:52/mi
4:09:21
↑ 23↓ 630.6%
116 ft elev
24M
12:54/mi
4:22:15
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:52/mi
4:32:24
↓ 200.3%
20 ft elev
25.2M
12:08/mi
4:36:35
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
10:54/mi
4:47:41
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:08
Pace9:10 /mi
2nd Half
Distance13.11 mi
Time2:47:33
Pace12:47 /mi
📊Positive Split: 39.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:1828:489:1628:48
9:16
-
10K
6.21 mi12:21:0656:369:0727:48
8:57
-0:19
15K
9.32 mi12:48:531:24:239:0327:47
8:57
0:00
20K
12.43 mi13:18:311:54:019:1029:38
9:32
+0:35
Half
13.11 mi13:24:382:00:089:106:07
8:58
-0:34
25K
15.53 mi13:55:442:31:149:4431:06
12:50
+3:52
30K
18.64 mi14:40:003:15:3010:2944:16
14:15
+1:25
20M
20.00 mi14:56:063:31:3610:3516:06
11:51
-2:24
21M
21.00 mi15:08:463:44:1610:4112:40
12:40
+0:49
35K
21.75 mi15:17:443:53:1410:438:58
11:59
-0:41
23M
23.00 mi15:33:514:09:2110:5016:07
12:52
+0:53
24M
24.00 mi15:46:454:22:1510:5612:54
12:54
+0:02
40K
24.85 mi15:56:544:32:2410:5810:09
11:52
-1:02
25.2M
25.20 mi16:01:054:36:3510:594:11
12:08
+0:16
Finish
26.22 mi16:12:114:47:4110:5911:06
10:54
-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

8:57 /mi

Average Pace

10:59 /mi

Slowest Pace

14:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:14

46% of race

Time at Steady Pace

52:04

18% of race

Time at Slower Pace

1:44:23

36% of race

Average Pace: 10:58 /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 mi11:53:1828:489:1628:48
9:16
#23467
10K
6.21 mi12:21:0656:369:0727:48
8:57
#22847
15K
9.32 mi12:48:531:24:239:0327:47
8:57
#22511
20K
12.43 mi13:18:311:54:019:1029:38
9:32
#22678
Half
13.11 mi13:24:382:00:089:106:07
8:58
#22621
25K
15.53 mi13:55:442:31:149:4431:06
12:50
#24066
30K
18.64 mi14:40:003:15:3010:2944:16
14:15
#25217
20M
20.00 mi14:56:063:31:3610:3516:06
11:51
#25216
21M
21.00 mi15:08:463:44:1610:4112:40
12:40
#25190
35K
21.75 mi15:17:443:53:1410:438:58
11:59
#25219
23M
23.00 mi15:33:514:09:2110:5016:07
12:52
#25309
24M
24.00 mi15:46:454:22:1510:5612:54
12:54
#25376
40K
24.85 mi15:56:544:32:2410:5810:09
11:52
#25356
25.2M
25.20 mi16:01:054:36:3510:594:11
12:08
#25332
Finish
26.22 mi16:12:114:47:4110:5911:06
10:54
#25344
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23467139841398421764(Top 77%)13293(Top 83%)13293(Top 236%)
10K6.21 mi3.10 mi22847+62013716+26813716+26822143(Top 78%)13405(Top 83%)13405(Top 238%)
15K9.32 mi3.11 mi22511+33613588+12813588+12821764(Top 77%)13293(Top 83%)13293(Top 236%)
20K12.43 mi3.11 mi22678-16713675-8713675-8723019(Top 81%)13798(Top 86%)13798(Top 245%)
Half13.11 mi0.68 mi22621+5713648+2713648+2721681(Top 76%)13221(Top 82%)13221(Top 234%)
25K15.53 mi2.42 mi24066-144514259-61114259-61127177(Top 96%)15575(Top 97%)15575(Top 276%)
30K18.64 mi3.11 mi25217-115114751-49214751-49227684(Top 97%)15728(Top 98%)15728(Top 279%)
20M20.00 mi1.36 mi25216+114733+1814733+1825054(Top 88%)14487(Top 90%)14487(Top 257%)
21M21.00 mi1.00 mi25190+2614709+2414709+2424621(Top 87%)14200(Top 88%)14200(Top 252%)
35K21.75 mi0.75 mi25219-2914716-714716-725839(Top 91%)14751(Top 92%)14751(Top 261%)
23M23.00 mi1.25 mi25309-9014747-3114747-3126236(Top 92%)14953(Top 93%)14953(Top 265%)
24M24.00 mi1.00 mi25376-6714765-1814765-1826744(Top 94%)15168(Top 94%)15168(Top 269%)
40K24.85 mi0.85 mi25356+2014753+1214753+1224718(Top 87%)14122(Top 88%)14122(Top 250%)
25.2M25.20 mi0.35 mi25332+2414739+1414739+1423496(Top 83%)13527(Top 84%)13527(Top 240%)
Finish26.22 mi1.02 mi25344-1214735+414735+425154(Top 89%)14366(Top 89%)14366(Top 255%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

21764

Males

13293

M18-39

13293

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

22143

Males

13405

M18-39

13405

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

21764

Males

13293

M18-39

13293

15K→20K

9.3 - 12.4 mi

Top 81%
×5story building
+106ft-86ft

Overall

23019

Males

13798

M18-39

13798

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

21681

Males

13221

M18-39

13221

Half→25K

13.1 - 15.5 mi

Top 96%
×4story building
+66ft-88ft

Overall

27177

Males

15575

M18-39

15575

25K→30K

15.5 - 18.6 mi

Top 97%
×9story building
+181ft-148ft

Overall

27684

Males

15728

M18-39

15728

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

25054

Males

14487

M18-39

14487

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

24621

Males

14200

M18-39

14200

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

25839

Males

14751

M18-39

14751

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

26236

Males

14953

M18-39

14953

23M→24M

23.0 - 24.0 mi

Top 94%
×6story building
+12ft-82ft

Overall

26744

Males

15168

M18-39

15168

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

24718

Males

14122

M18-39

14122

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23496

Males

13527

M18-39

13527

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

25154

Males

14366

M18-39

14366

Passing Analysis

Category:
Athletes Passed
1494
Passed By
3371
Net Change
-1877
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23467
5K → 10K66343+620#23467#22847
10K → 15K37539+336#22847#22511
15K → 20K122289-167#22511#22678
20K → Half6710+57#22678#22621
Half → 25K11446-1445#22621#24066
25K → 30K71158-1151#24066#25217
30K → 20M5352+1#25217#25216
20M → 21M6034+26#25216#25190
21M → 35K1443-29#25190#25219
35K → 23M16106-90#25219#25309
23M → 24M2087-67#25309#25376
24M → 40K4323+20#25376#25356
40K → 25.2M284+24#25356#25332
25.2M → Finish2537-12#25332#25344
TOTALS14943371-1877
📊

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