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BOSTON MARATHON 2025

John Langan

Bib: 21822•M

DE

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Top 35%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:16
Rank: #17583
Start → 5K
8:08/mi
25:16 split
10K· 6.21 mi
51:09
Rank: #18184 (-601)
5K → 10K
8:20/mi
25:53 split
15K· 9.32 mi
1:17:03
Rank: #18191 (-7)
10K → 15K
8:20/mi
25:54 split
20K· 12.43 mi
1:43:09
Rank: #17999 (+192)
15K → 20K
8:24/mi
26:06 split
Half· 13.11 mi
1:48:49
Rank: #17982 (+17)
20K → Half
8:18/mi
5:40 split
25K· 15.53 mi
2:09:13
Rank: #17696 (+286)
Half → 25K
8:25/mi
20:24 split
30K· 18.64 mi
2:36:05
Rank: #17283 (+413)
25K → 30K
8:39/mi
26:52 split
20M
2:47:45
Rank: #17062 (+221)
30K → 20M
8:35/mi
11:40 split
21M
2:56:53
Rank: #16850 (+212)
20M → 21M
9:08/mi
9:08 split
35K· 21.75 mi
3:03:18
Rank: #16797 (+53)
21M → 35K
8:35/mi
6:25 split
23M
3:14:19
Rank: #16675 (+122)
35K → 23M
8:48/mi
11:01 split
24M
3:23:07
Rank: #16644 (+31)
23M → 24M
8:48/mi
8:48 split
40K· 24.85 mi
3:30:45
Rank: #16601 (+43)
24M → 40K
8:56/mi
7:38 split
25.2M
3:34:03
Rank: #16576 (+25)
40K → 25.2M
9:34/mi
3:18 split
Finish· 26.22 mi
3:42:44
Rank: #16559 (+17)
25.2M → Finish
8:31/mi
8:41 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:49
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time1:53:55
Pace8:41 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:2025:168:0825:16
8:08
-
10K
6.21 mi11:46:1351:098:1425:53
8:20
+0:12
15K
9.32 mi12:12:071:17:038:1625:54
8:20
0:00
20K
12.43 mi12:38:131:43:098:1826:06
8:24
+0:04
Half
13.11 mi12:43:531:48:498:185:40
8:18
-0:06
25K
15.53 mi13:04:172:09:138:1920:24
8:25
+0:07
30K
18.64 mi13:31:092:36:058:2226:52
8:39
+0:14
20M
20.00 mi13:42:492:47:458:2311:40
8:35
-0:04
21M
21.00 mi13:51:572:56:538:259:08
9:08
+0:33
35K
21.75 mi13:58:223:03:188:266:25
8:35
-0:33
23M
23.00 mi14:09:233:14:198:2711:01
8:48
+0:13
24M
24.00 mi14:18:113:23:078:288:48
8:48
0:00
40K
24.85 mi14:25:493:30:458:297:38
8:56
+0:08
25.2M
25.20 mi14:29:073:34:038:303:18
9:34
+0:38
Finish
26.22 mi14:37:483:42:448:308:41
8:31
-1:03

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

8:08 /mi

Average Pace

8:30 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:30:18

94% of race

Time at Steady Pace

12:26

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:30 /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 mi11:20:2025:168:0825:16
8:08
#17583
10K
6.21 mi11:46:1351:098:1425:53
8:20
#18184
15K
9.32 mi12:12:071:17:038:1625:54
8:20
#18191
20K
12.43 mi12:38:131:43:098:1826:06
8:24
#17999
Half
13.11 mi12:43:531:48:498:185:40
8:18
#17982
25K
15.53 mi13:04:172:09:138:1920:24
8:25
#17696
30K
18.64 mi13:31:092:36:058:2226:52
8:39
#17283
20M
20.00 mi13:42:492:47:458:2311:40
8:35
#17062
21M
21.00 mi13:51:572:56:538:259:08
9:08
#16850
35K
21.75 mi13:58:223:03:188:266:25
8:35
#16797
23M
23.00 mi14:09:233:14:198:2711:01
8:48
#16675
24M
24.00 mi14:18:113:23:078:288:48
8:48
#16644
40K
24.85 mi14:25:493:30:458:297:38
8:56
#16601
25.2M
25.20 mi14:29:073:34:038:303:18
9:34
#16576
Finish
26.22 mi14:37:483:42:448:308:41
8:31
#16559
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17583114461144618289(Top 64%)11749(Top 73%)11749(Top 933%)
10K6.21 mi3.10 mi18184-60111689-24311689-24318741(Top 66%)11953(Top 74%)11953(Top 949%)
15K9.32 mi3.11 mi18191-711697-811697-818289(Top 64%)11749(Top 73%)11749(Top 933%)
20K12.43 mi3.11 mi17999+19211613+8411613+8417544(Top 62%)11418(Top 71%)11418(Top 907%)
Half13.11 mi0.68 mi17982+1711606+711606+717911(Top 63%)11581(Top 72%)11581(Top 920%)
25K15.53 mi2.42 mi17696+28611470+13611470+13616646(Top 59%)10944(Top 68%)10944(Top 869%)
30K18.64 mi3.11 mi17283+41311250+22011250+22015680(Top 55%)10367(Top 64%)10367(Top 823%)
20M20.00 mi1.36 mi17062+22111129+12111129+12114336(Top 50%)9618(Top 60%)9618(Top 764%)
21M21.00 mi1.00 mi16850+21211017+11211017+11214258(Top 50%)9461(Top 59%)9461(Top 751%)
35K21.75 mi0.75 mi16797+5310980+3710980+3715917(Top 56%)10144(Top 63%)10144(Top 806%)
23M23.00 mi1.25 mi16675+12210892+8810892+8815094(Top 53%)9669(Top 60%)9669(Top 768%)
24M24.00 mi1.00 mi16644+3110860+3210860+3216302(Top 57%)10160(Top 63%)10160(Top 807%)
40K24.85 mi0.85 mi16601+4310808+5210808+5215885(Top 56%)9861(Top 61%)9861(Top 783%)
25.2M25.20 mi0.35 mi16576+2510786+2210786+2214913(Top 53%)9370(Top 58%)9370(Top 744%)
Finish26.22 mi1.02 mi16559+1710753+3310753+3316336(Top 58%)10085(Top 63%)10085(Top 801%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

18289

Males

11749

M60-64

11749

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

18741

Males

11953

M60-64

11953

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

18289

Males

11749

M60-64

11749

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

17544

Males

11418

M60-64

11418

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

17911

Males

11581

M60-64

11581

Half→25K

13.1 - 15.5 mi

Top 59%
×4stories
+66ft-88ft

Overall

16646

Males

10944

M60-64

10944

25K→30K

15.5 - 18.6 mi

Top 55%
×9stories
+181ft-148ft

Overall

15680

Males

10367

M60-64

10367

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

14336

Males

9618

M60-64

9618

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

14258

Males

9461

M60-64

9461

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

15917

Males

10144

M60-64

10144

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

15094

Males

9669

M60-64

9669

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

16302

Males

10160

M60-64

10160

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15885

Males

9861

M60-64

9861

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14913

Males

9370

M60-64

9370

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

16336

Males

10085

M60-64

10085

Passing Analysis

Category:
Athletes Passed
2431
Passed By
1407
Net Change
+1024
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17583
5K → 10K102703-601#17583#18184
10K → 15K186193-7#18184#18191
15K → 20K28492+192#18191#17999
20K → Half4528+17#17999#17982
Half → 25K31933+286#17982#17696
25K → 30K46047+413#17696#17283
30K → 20M23110+221#17283#17062
20M → 21M22715+212#17062#16850
21M → 35K8936+53#16850#16797
35K → 23M17048+122#16797#16675
23M → 24M9362+31#16675#16644
24M → 40K9350+43#16644#16601
40K → 25.2M4419+25#16601#16576
25.2M → Finish8871+17#16576#16559
TOTALS24311407+1024
📊

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