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BOSTON MARATHON 2025

Michael Lasusa

Bib: 1411•M

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 8%
Division (M18-39)
#0 / 5642
Top 19%
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
5:55/mi
18:24
↑ 97↓ 3451.5%
10K· 6.21 mi
5:53/mi
36:40
↑ 79↓ 1380.4%
15K· 9.32 mi
5:49/mi
54:45
↑ 67↓ 78
20K· 12.43 mi
5:52/mi
1:12:59
↑ 106↓ 860.1%
Half· 13.11 mi
5:46/mi
1:16:55
↑ 19↓ 370.5%
25K· 15.53 mi
5:59/mi
1:31:26
↑ 66↓ 880.2%
30K· 18.64 mi
6:26/mi
1:51:24
↑ 181↓ 1480.2%
20M
6:50/mi
2:00:41
↑ 64↓ 500.2%
21M
7:19/mi
2:08:00
↑ 106↓ 241.6%
35K· 21.75 mi
6:34/mi
2:12:55
↑ 17↓ 861.7%
23M
7:01/mi
2:21:42
↑ 23↓ 630.6%
24M
6:57/mi
2:28:39
↓ 821.3%
40K· 24.85 mi
7:16/mi
2:34:52
↓ 200.3%
25.2M
7:41/mi
2:37:31
↑ 13↓ 160.2%
Finish· 26.22 mi
6:48/mi
2:44:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:55
Pace5:52 /mi
2nd Half
Distance13.11 mi
Time1:27:32
Pace6:41 /mi
📊Positive Split: 13.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:5418:245:5518:24
5:55
-
10K
6.21 mi10:37:1036:405:5418:16
5:53
-0:02
15K
9.32 mi10:55:1554:455:5218:05
5:49
-0:04
20K
12.43 mi11:13:291:12:595:5218:14
5:52
+0:03
Half
13.11 mi11:17:251:16:555:523:56
5:46
-0:06
25K
15.53 mi11:31:561:31:265:5314:31
5:59
+0:13
30K
18.64 mi11:51:541:51:245:5919:58
6:26
+0:27
20M
20.00 mi12:01:112:00:416:029:17
6:50
+0:24
21M
21.00 mi12:08:302:08:006:067:19
7:19
+0:29
35K
21.75 mi12:13:252:12:556:074:55
6:34
-0:45
23M
23.00 mi12:22:122:21:426:108:47
7:01
+0:27
24M
24.00 mi12:29:092:28:396:126:57
6:57
-0:04
40K
24.85 mi12:35:222:34:526:146:13
7:16
+0:19
25.2M
25.20 mi12:38:012:37:316:152:39
7:41
+0:25
Finish
26.22 mi12:44:572:44:276:176:56
6:48
-0:53

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

5:46 /mi

Average Pace

6:17 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:26

56% of race

Time at Steady Pace

41:06

25% of race

Time at Slower Pace

31:55

19% of race

Average Pace: 6:16 /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 mi10:18:5418:245:5518:24
5:55
#857
10K
6.21 mi10:37:1036:405:5418:16
5:53
#817
15K
9.32 mi10:55:1554:455:5218:05
5:49
#727
20K
12.43 mi11:13:291:12:595:5218:14
5:52
#674
Half
13.11 mi11:17:251:16:555:523:56
5:46
#657
25K
15.53 mi11:31:561:31:265:5314:31
5:59
#662
30K
18.64 mi11:51:541:51:245:5919:58
6:26
#777
20M
20.00 mi12:01:112:00:416:029:17
6:50
#846
21M
21.00 mi12:08:302:08:006:067:19
7:19
#928
35K
21.75 mi12:13:252:12:556:074:55
6:34
#959
23M
23.00 mi12:22:122:21:426:108:47
7:01
#1042
24M
24.00 mi12:29:092:28:396:126:57
6:57
#1128
40K
24.85 mi12:35:222:34:526:146:13
7:16
#1212
25.2M
25.20 mi12:38:012:37:316:152:39
7:41
#1235
Finish
26.22 mi12:44:572:44:276:176:56
6:48
#1314
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi857803803561(Top 2%)523(Top 3%)523(Top 9%)
10K6.21 mi3.10 mi817+40765+38765+38780(Top 3%)730(Top 5%)730(Top 13%)
15K9.32 mi3.11 mi727+90679+86679+86561(Top 2%)523(Top 3%)523(Top 9%)
20K12.43 mi3.11 mi674+53627+52627+52556(Top 2%)513(Top 3%)513(Top 9%)
Half13.11 mi0.68 mi657+17610+17610+17533(Top 2%)501(Top 3%)501(Top 9%)
25K15.53 mi2.42 mi662-5615-5615-5770(Top 3%)722(Top 4%)722(Top 13%)
30K18.64 mi3.11 mi777-115728-113728-1131647(Top 6%)1561(Top 10%)1561(Top 28%)
20M20.00 mi1.36 mi846-69795-67795-673091(Top 11%)2867(Top 18%)2867(Top 51%)
21M21.00 mi1.00 mi928-82873-78873-783657(Top 13%)3339(Top 21%)3339(Top 59%)
35K21.75 mi0.75 mi959-31902-29902-292779(Top 10%)2561(Top 16%)2561(Top 45%)
23M23.00 mi1.25 mi1042-83981-79981-793799(Top 13%)3412(Top 21%)3412(Top 60%)
24M24.00 mi1.00 mi1128-861062-811062-814316(Top 15%)3768(Top 23%)3768(Top 67%)
40K24.85 mi0.85 mi1212-841141-791141-795435(Top 19%)4495(Top 28%)4495(Top 80%)
25.2M25.20 mi0.35 mi1235-231161-201161-204163(Top 15%)3519(Top 22%)3519(Top 62%)
Finish26.22 mi1.02 mi1314-791236-751236-754478(Top 16%)3770(Top 23%)3770(Top 67%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21story building
+97ft-345ft

Overall

561

Males

523

M18-39

523

5K→10K

3.1 - 6.2 mi

Top 3%
×5story building
+79ft-138ft

Overall

780

Males

730

M18-39

730

10K→15K

6.2 - 9.3 mi

Top 2%
×3story building
+67ft-78ft

Overall

561

Males

523

M18-39

523

15K→20K

9.3 - 12.4 mi

Top 2%
×5story building
+106ft-86ft

Overall

556

Males

513

M18-39

513

20K→Half

12.4 - 13.1 mi

Top 2%
×2story building
+19ft-37ft

Overall

533

Males

501

M18-39

501

Half→25K

13.1 - 15.5 mi

Top 3%
×4story building
+66ft-88ft

Overall

770

Males

722

M18-39

722

25K→30K

15.5 - 18.6 mi

Top 6%
×9story building
+181ft-148ft

Overall

1647

Males

1561

M18-39

1561

30K→20M

18.6 - 20.0 mi

Top 11%
×5story building
+64ft-50ft

Overall

3091

Males

2867

M18-39

2867

20M→21M

20.0 - 21.0 mi

Top 13%
×8story building
+106ft-24ft

Overall

3657

Males

3339

M18-39

3339

21M→35K

21.0 - 21.8 mi

Top 10%
×7story building
+17ft-86ft

Overall

2779

Males

2561

M18-39

2561

35K→23M

21.8 - 23.0 mi

Top 13%
×5story building
+23ft-63ft

Overall

3799

Males

3412

M18-39

3412

23M→24M

23.0 - 24.0 mi

Top 15%
×6story building
+12ft-82ft

Overall

4316

Males

3768

M18-39

3768

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5435

Males

4495

M18-39

4495

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4163

Males

3519

M18-39

3519

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2story building
+22ft-21ft

Overall

4478

Males

3770

M18-39

3770

Passing Analysis

Category:
Athletes Passed
312
Passed By
769
Net Change
-457
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#857
5K → 10K7232+40#857#817
10K → 15K911+90#817#727
15K → 20K596+53#727#674
20K → Half181+17#674#657
Half → 25K2328-5#657#662
25K → 30K8123-115#662#777
30K → 20M574-69#777#846
20M → 21M587-82#846#928
21M → 35K839-31#928#959
35K → 23M1396-83#959#1042
23M → 24M187-86#1042#1128
24M → 40K387-84#1128#1212
40K → 25.2M326-23#1212#1235
25.2M → Finish382-79#1235#1314
TOTALS312769-457
📊

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