Boston Marathon logo
BOSTON MARATHON 2025

Kevin Lansing

Bib: 4676•M

MO

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 19%
Gender (Male)
#0 / 16105
Top 30%
Masters (Masters Men)
#0 / 10463
Top 16%
Division (M40-44)
#0 / 2247
Top 40%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:20
Rank: #4170
Start → 5K
20:20 | 6:33/mi
10K· 6.21 mi
40:54
Rank: #4361 (-191)
5K → 10K
20:34 | 6:37/mi
15K· 9.32 mi
1:01:37
Rank: #4483 (-122)
10K → 15K
20:43 | 6:40/mi
20K· 12.43 mi
1:22:43
Rank: #4602 (-119)
15K → 20K
21:06 | 6:47/mi
Half· 13.11 mi
1:27:20
Rank: #4659 (-57)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:44:08
Rank: #4832 (-173)
Half → 25K
16:48 | 6:56/mi
30K· 18.64 mi
2:06:26
Rank: #5011 (-179)
25K → 30K
22:18 | 7:11/mi
20M
2:16:31
Rank: #5147 (-136)
30K → 20M
10:05 | 7:25/mi
21M
2:24:25
Rank: #5247 (-100)
20M → 21M
7:54 | 7:54/mi
35K· 21.75 mi
2:29:44
Rank: #5277 (-30)
21M → 35K
5:19 | 7:06/mi
23M
2:39:19
Rank: #5366 (-89)
35K → 23M
9:35 | 7:39/mi
24M
2:46:40
Rank: #5374 (-8)
23M → 24M
7:21 | 7:21/mi
40K· 24.85 mi
2:53:11
Rank: #5396 (-22)
24M → 40K
6:31 | 7:37/mi
25.2M
2:56:17
Rank: #5437 (-41)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:03:41
Rank: #5450 (-13)
25.2M → Finish
7:24 | 7:16/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:20
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:36:21
Pace7:21 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3820:206:3320:20
6:33
-
10K
6.21 mi10:44:1240:546:3520:34
6:37
+0:04
15K
9.32 mi11:04:551:01:376:3720:43
6:40
+0:03
20K
12.43 mi11:26:011:22:436:3921:06
6:47
+0:07
Half
13.11 mi11:30:381:27:206:404:37
6:46
-0:01
25K
15.53 mi11:47:261:44:086:4216:48
6:56
+0:10
30K
18.64 mi12:09:442:06:266:4722:18
7:11
+0:15
20M
20.00 mi12:19:492:16:316:5010:05
7:25
+0:14
21M
21.00 mi12:27:432:24:256:537:54
7:54
+0:29
35K
21.75 mi12:33:022:29:446:535:19
7:06
-0:48
23M
23.00 mi12:42:372:39:196:569:35
7:39
+0:33
24M
24.00 mi12:49:582:46:406:577:21
7:21
-0:18
40K
24.85 mi12:56:292:53:116:586:31
7:37
+0:16
25.2M
25.20 mi12:59:352:56:177:003:06
8:59
+1:22
Finish
26.22 mi13:06:593:03:417:017:24
7:16
-1:43

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

6:33 /mi

Average Pace

7:01 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:20

48% of race

Time at Steady Pace

1:09:15

38% of race

Time at Slower Pace

27:06

15% of race

Average Pace: 7:00 /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 mi10:23:3820:206:3320:20
6:33
#4170
10K
6.21 mi10:44:1240:546:3520:34
6:37
#4361
15K
9.32 mi11:04:551:01:376:3720:43
6:40
#4483
20K
12.43 mi11:26:011:22:436:3921:06
6:47
#4602
Half
13.11 mi11:30:381:27:206:404:37
6:46
#4659
25K
15.53 mi11:47:261:44:086:4216:48
6:56
#4832
30K
18.64 mi12:09:442:06:266:4722:18
7:11
#5011
20M
20.00 mi12:19:492:16:316:5010:05
7:25
#5147
21M
21.00 mi12:27:432:24:256:537:54
7:54
#5247
35K
21.75 mi12:33:022:29:446:535:19
7:06
#5277
23M
23.00 mi12:42:372:39:196:569:35
7:39
#5366
24M
24.00 mi12:49:582:46:406:577:21
7:21
#5374
40K
24.85 mi12:56:292:53:116:586:31
7:37
#5396
25.2M
25.20 mi12:59:352:56:177:003:06
8:59
#5437
Finish
26.22 mi13:06:593:03:417:017:24
7:16
#5450
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4170393139314808(Top 17%)4489(Top 28%)4489(Top 200%)
10K6.21 mi3.10 mi4361-1914101-1704101-1704637(Top 16%)4343(Top 27%)4343(Top 193%)
15K9.32 mi3.11 mi4483-1224213-1124213-1124808(Top 17%)4489(Top 28%)4489(Top 200%)
20K12.43 mi3.11 mi4602-1194305-924305-925219(Top 18%)4808(Top 30%)4808(Top 214%)
Half13.11 mi0.68 mi4659-574353-484353-485851(Top 21%)5338(Top 33%)5338(Top 238%)
25K15.53 mi2.42 mi4832-1734493-1404493-1405850(Top 21%)5276(Top 33%)5276(Top 235%)
30K18.64 mi3.11 mi5011-1794619-1264619-1265777(Top 20%)5149(Top 32%)5149(Top 229%)
20M20.00 mi1.36 mi5147-1364731-1124731-1126495(Top 23%)5521(Top 34%)5521(Top 246%)
21M21.00 mi1.00 mi5247-1004806-754806-756767(Top 24%)5538(Top 34%)5538(Top 246%)
35K21.75 mi0.75 mi5277-304828-224828-226018(Top 21%)5075(Top 32%)5075(Top 226%)
23M23.00 mi1.25 mi5366-894889-614889-617582(Top 27%)5912(Top 37%)5912(Top 263%)
24M24.00 mi1.00 mi5374-84887+24887+26702(Top 24%)5349(Top 33%)5349(Top 238%)
40K24.85 mi0.85 mi5396-22488748877521(Top 26%)5726(Top 36%)5726(Top 255%)
25.2M25.20 mi0.35 mi5437-414912-254912-2511638(Top 41%)7772(Top 48%)7772(Top 346%)
Finish26.22 mi1.02 mi5450-134905+74905+77466(Top 26%)5599(Top 35%)5599(Top 249%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4808

Males

4489

M40-44

4489

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4637

Males

4343

M40-44

4343

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4808

Males

4489

M40-44

4489

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

5219

Males

4808

M40-44

4808

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5851

Males

5338

M40-44

5338

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5850

Males

5276

M40-44

5276

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5777

Males

5149

M40-44

5149

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6495

Males

5521

M40-44

5521

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6767

Males

5538

M40-44

5538

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

6018

Males

5075

M40-44

5075

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7582

Males

5912

M40-44

5912

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6702

Males

5349

M40-44

5349

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7521

Males

5726

M40-44

5726

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11638

Males

7772

M40-44

7772

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

7466

Males

5599

M40-44

5599

Passing Analysis

Category:
Athletes Passed
725
Passed By
2005
Net Change
-1280
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4170
5K → 10K68259-191#4170#4361
10K → 15K61183-122#4361#4483
15K → 20K78197-119#4483#4602
20K → Half764-57#4602#4659
Half → 25K64237-173#4659#4832
25K → 30K107286-179#4832#5011
30K → 20M38174-136#5011#5147
20M → 21M58158-100#5147#5247
21M → 35K3767-30#5247#5277
35K → 23M62151-89#5277#5366
23M → 24M4452-8#5366#5374
24M → 40K4264-22#5374#5396
40K → 25.2M1556-41#5396#5437
25.2M → Finish4457-13#5437#5450
TOTALS7252005-1280
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing