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BOSTON MARATHON 2025

Kevin Lacke

Bib: 1564•M

NC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 9%
Division (M18-39)
#0 / 5642
Top 22%
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
6:00/mi
18:40
↑ 97↓ 3451.5%
10K· 6.21 mi
5:56/mi
37:07
↑ 79↓ 1380.4%
15K· 9.32 mi
5:59/mi
55:43
↑ 67↓ 78
20K· 12.43 mi
6:05/mi
1:14:36
↑ 106↓ 860.1%
Half· 13.11 mi
5:58/mi
1:18:40
↑ 19↓ 370.5%
25K· 15.53 mi
6:05/mi
1:33:26
↑ 66↓ 880.2%
30K· 18.64 mi
6:17/mi
1:52:58
↑ 181↓ 1480.2%
20M
6:27/mi
2:01:44
↑ 64↓ 500.2%
21M
7:03/mi
2:08:47
↑ 106↓ 241.6%
35K· 21.75 mi
6:38/mi
2:13:45
↑ 17↓ 861.7%
23M
7:06/mi
2:22:38
↑ 23↓ 630.6%
24M
7:09/mi
2:29:47
↓ 821.3%
40K· 24.85 mi
7:21/mi
2:36:04
↓ 200.3%
25.2M
7:25/mi
2:38:37
↑ 13↓ 160.2%
Finish· 26.22 mi
7:25/mi
2:46:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:40
Pace6:00 /mi
2nd Half
Distance13.11 mi
Time1:27:31
Pace6:41 /mi
📊Positive Split: 11.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:1918:406:0018:40
6:00
-
10K
6.21 mi10:37:4637:075:5818:27
5:56
-0:04
15K
9.32 mi10:56:2255:435:5918:36
5:59
+0:03
20K
12.43 mi11:15:151:14:366:0018:53
6:05
+0:06
Half
13.11 mi11:19:191:18:406:004:04
5:58
-0:07
25K
15.53 mi11:34:051:33:266:0114:46
6:05
+0:07
30K
18.64 mi11:53:371:52:586:0419:32
6:17
+0:12
20M
20.00 mi12:02:232:01:446:058:46
6:27
+0:10
21M
21.00 mi12:09:262:08:476:087:03
7:03
+0:36
35K
21.75 mi12:14:242:13:456:094:58
6:38
-0:25
23M
23.00 mi12:23:172:22:386:128:53
7:06
+0:28
24M
24.00 mi12:30:262:29:476:147:09
7:09
+0:03
40K
24.85 mi12:36:432:36:046:176:17
7:21
+0:12
25.2M
25.20 mi12:39:162:38:376:182:33
7:25
+0:04
Finish
26.22 mi12:46:502:46:116:217:34
7:25
0:00

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

5:56 /mi

Average Pace

6:21 /mi

Slowest Pace

7:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:26

56% of race

Time at Steady Pace

33:16

20% of race

Time at Slower Pace

39:29

24% of race

Average Pace: 6:20 /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 mi10:19:1918:406:0018:40
6:00
#1106
10K
6.21 mi10:37:4637:075:5818:27
5:56
#1005
15K
9.32 mi10:56:2255:435:5918:36
5:59
#995
20K
12.43 mi11:15:151:14:366:0018:53
6:05
#1004
Half
13.11 mi11:19:191:18:406:004:04
5:58
#1004
25K
15.53 mi11:34:051:33:266:0114:46
6:05
#998
30K
18.64 mi11:53:371:52:586:0419:32
6:17
#993
20M
20.00 mi12:02:232:01:446:058:46
6:27
#1002
21M
21.00 mi12:09:262:08:476:087:03
7:03
#1040
35K
21.75 mi12:14:242:13:456:094:58
6:38
#1088
23M
23.00 mi12:23:172:22:386:128:53
7:06
#1178
24M
24.00 mi12:30:262:29:476:147:09
7:09
#1289
40K
24.85 mi12:36:432:36:046:176:17
7:21
#1380
25.2M
25.20 mi12:39:162:38:376:182:33
7:25
#1394
Finish
26.22 mi12:46:502:46:116:217:34
7:25
#1559
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi110610471047997(Top 4%)944(Top 6%)944(Top 17%)
10K6.21 mi3.10 mi1005+101947+100947+100936(Top 3%)882(Top 5%)882(Top 16%)
15K9.32 mi3.11 mi995+10938+9938+9997(Top 4%)944(Top 6%)944(Top 17%)
20K12.43 mi3.11 mi1004-9947-9947-91097(Top 4%)1035(Top 6%)1035(Top 18%)
Half13.11 mi0.68 mi10049479471041(Top 4%)988(Top 6%)988(Top 18%)
25K15.53 mi2.42 mi998+6940+7940+71063(Top 4%)1006(Top 6%)1006(Top 18%)
30K18.64 mi3.11 mi993+5936+4936+41171(Top 4%)1105(Top 7%)1105(Top 20%)
20M20.00 mi1.36 mi1002-9943-7943-71436(Top 5%)1358(Top 8%)1358(Top 24%)
21M21.00 mi1.00 mi1040-38980-37980-372428(Top 9%)2264(Top 14%)2264(Top 40%)
35K21.75 mi0.75 mi1088-481025-451025-453105(Top 11%)2847(Top 18%)2847(Top 50%)
23M23.00 mi1.25 mi1178-901110-851110-854267(Top 15%)3779(Top 23%)3779(Top 67%)
24M24.00 mi1.00 mi1289-1111213-1031213-1035471(Top 19%)4568(Top 28%)4568(Top 81%)
40K24.85 mi0.85 mi1380-911301-881301-885870(Top 21%)4757(Top 30%)4757(Top 84%)
25.2M25.20 mi0.35 mi1394-141315-141315-143040(Top 11%)2687(Top 17%)2687(Top 48%)
Finish26.22 mi1.02 mi1559-1651476-1611476-1618618(Top 30%)6227(Top 39%)6227(Top 110%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21story building
+97ft-345ft

Overall

997

Males

944

M18-39

944

5K→10K

3.1 - 6.2 mi

Top 3%
×5story building
+79ft-138ft

Overall

936

Males

882

M18-39

882

10K→15K

6.2 - 9.3 mi

Top 4%
×3story building
+67ft-78ft

Overall

997

Males

944

M18-39

944

15K→20K

9.3 - 12.4 mi

Top 4%
×5story building
+106ft-86ft

Overall

1097

Males

1035

M18-39

1035

20K→Half

12.4 - 13.1 mi

Top 4%
×2story building
+19ft-37ft

Overall

1041

Males

988

M18-39

988

Half→25K

13.1 - 15.5 mi

Top 4%
×4story building
+66ft-88ft

Overall

1063

Males

1006

M18-39

1006

25K→30K

15.5 - 18.6 mi

Top 4%
×9story building
+181ft-148ft

Overall

1171

Males

1105

M18-39

1105

30K→20M

18.6 - 20.0 mi

Top 5%
×5story building
+64ft-50ft

Overall

1436

Males

1358

M18-39

1358

20M→21M

20.0 - 21.0 mi

Top 9%
×8story building
+106ft-24ft

Overall

2428

Males

2264

M18-39

2264

21M→35K

21.0 - 21.8 mi

Top 11%
×7story building
+17ft-86ft

Overall

3105

Males

2847

M18-39

2847

35K→23M

21.8 - 23.0 mi

Top 15%
×5story building
+23ft-63ft

Overall

4267

Males

3779

M18-39

3779

23M→24M

23.0 - 24.0 mi

Top 19%
×6story building
+12ft-82ft

Overall

5471

Males

4568

M18-39

4568

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5870

Males

4757

M18-39

4757

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3040

Males

2687

M18-39

2687

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

8618

Males

6227

M18-39

6227

Passing Analysis

Category:
Athletes Passed
332
Passed By
785
Net Change
-453
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1106
5K → 10K11312+101#1106#1005
10K → 15K3323+10#1005#995
15K → 20K3039-9#995#1004
20K → Half550#1004#1004
Half → 25K2721+6#1004#998
25K → 30K5045+5#998#993
30K → 20M2534-9#993#1002
20M → 21M1149-38#1002#1040
21M → 35K553-48#1040#1088
35K → 23M22112-90#1088#1178
23M → 24M3114-111#1178#1289
24M → 40K091-91#1289#1380
40K → 25.2M620-14#1380#1394
25.2M → Finish2167-165#1394#1559
TOTALS332785-453
📊

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