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BOSTON MARATHON 2025

Shane Johnson

Bib: 8235•M

NC

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

Start
0:00:00
Race begins
5K· 3.11 mi
21:40
Rank: #7615
Start → 5K
21:40 | 6:58/mi
10K· 6.21 mi
43:46
Rank: #8207 (-592)
5K → 10K
22:06 | 7:07/mi
15K· 9.32 mi
1:06:32
Rank: #8818 (-611)
10K → 15K
22:46 | 7:20/mi
20K· 12.43 mi
1:30:42
Rank: #9865 (-1047)
15K → 20K
24:10 | 7:47/mi
Half· 13.11 mi
1:35:45
Rank: #9915 (-50)
20K → Half
5:03 | 7:24/mi
25K· 15.53 mi
1:54:15
Rank: #10041 (-126)
Half → 25K
18:30 | 7:38/mi
30K· 18.64 mi
2:31:09
Rank: #15568 (-5527)
25K → 30K
36:54 | 11:53/mi
20M
2:42:54
Rank: #15457 (+111)
30K → 20M
11:45 | 8:39/mi
21M
3:16:46
Rank: #21800 (-6343)
20M → 21M
33:52 | 33:52/mi
35K· 21.75 mi
3:22:49
Rank: #21571 (+229)
21M → 35K
6:03 | 8:05/mi
23M
3:33:20
Rank: #21122 (+449)
35K → 23M
10:31 | 8:24/mi
24M
3:44:30
Rank: #21330 (-208)
23M → 24M
11:10 | 11:10/mi
40K· 24.85 mi
3:52:05
Rank: #21153 (+177)
24M → 40K
7:35 | 8:52/mi
25.2M
3:55:50
Rank: #21120 (+33)
40K → 25.2M
3:45 | 10:52/mi
Finish· 26.22 mi
4:04:39
Rank: #20996 (+124)
25.2M → Finish
8:49 | 8:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:45
Pace7:18 /mi
2nd Half
Distance13.11 mi
Time2:28:54
Pace11:22 /mi
📊Positive Split: 55.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1721:406:5821:40
6:58
-
10K
6.21 mi11:09:2343:467:0322:06
7:07
+0:09
15K
9.32 mi11:32:091:06:327:0822:46
7:20
+0:13
20K
12.43 mi11:56:191:30:427:1824:10
7:47
+0:27
Half
13.11 mi12:01:221:35:457:185:03
7:24
-0:23
25K
15.53 mi12:19:521:54:157:2118:30
7:38
+0:14
30K
18.64 mi12:56:462:31:098:0736:54
11:53
+4:15
20M
20.00 mi13:08:312:42:548:0911:45
8:39
-3:14
21M
21.00 mi13:42:233:16:469:2233:52
33:52
+25:13
35K
21.75 mi13:48:263:22:499:206:03
8:05
-25:47
23M
23.00 mi13:58:573:33:209:1710:31
8:24
+0:19
24M
24.00 mi14:10:073:44:309:2111:10
11:10
+2:46
40K
24.85 mi14:17:423:52:059:207:35
8:52
-2:18
25.2M
25.20 mi14:21:273:55:509:223:45
10:52
+2:00
Finish
26.22 mi14:30:164:04:399:208:49
8:39
-2:13

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

6:58 /mi

Average Pace

9:20 /mi

Slowest Pace

33:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:53:53

71% of race

Time at Slower Pace

1:10:46

29% of race

Average Pace: 9:20 /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 mi10:47:1721:406:5821:40
6:58
#7615
10K
6.21 mi11:09:2343:467:0322:06
7:07
#8207
15K
9.32 mi11:32:091:06:327:0822:46
7:20
#8818
20K
12.43 mi11:56:191:30:427:1824:10
7:47
#9865
Half
13.11 mi12:01:221:35:457:185:03
7:24
#9915
25K
15.53 mi12:19:521:54:157:2118:30
7:38
#10041
30K
18.64 mi12:56:462:31:098:0736:54
11:53
#15568
20M
20.00 mi13:08:312:42:548:0911:45
8:39
#15457
21M
21.00 mi13:42:233:16:469:2233:52
33:52
#21800
35K
21.75 mi13:48:263:22:499:206:03
8:05
#21571
23M
23.00 mi13:58:573:33:209:1710:31
8:24
#21122
24M
24.00 mi14:10:073:44:309:2111:10
11:10
#21330
40K
24.85 mi14:17:423:52:059:207:35
8:52
#21153
25.2M
25.20 mi14:21:273:55:509:223:45
10:52
#21120
Finish
26.22 mi14:30:164:04:399:208:49
8:39
#20996
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi76156751675110219(Top 36%)8207(Top 51%)8207(Top 145%)
10K6.21 mi3.10 mi8207-5927120-3697120-3698787(Top 31%)7472(Top 46%)7472(Top 132%)
15K9.32 mi3.11 mi8818-6117480-3607480-36010219(Top 36%)8207(Top 51%)8207(Top 145%)
20K12.43 mi3.11 mi9865-10478034-5548034-55413088(Top 46%)9460(Top 59%)9460(Top 168%)
Half13.11 mi0.68 mi9915-508061-278061-2710902(Top 38%)8527(Top 53%)8527(Top 151%)
25K15.53 mi2.42 mi10041-1268088-278088-2710986(Top 39%)8383(Top 52%)8383(Top 149%)
30K18.64 mi3.11 mi15568-552710546-245810546-245825422(Top 90%)14730(Top 91%)14730(Top 261%)
20M20.00 mi1.36 mi15457+11110462+8410462+8414701(Top 52%)9786(Top 61%)9786(Top 173%)
21M21.00 mi1.00 mi21800-634313189-272713189-272728401(Top 100%)16103(Top 100%)16103(Top 285%)
35K21.75 mi0.75 mi21571+22913071+11813071+11812833(Top 45%)8745(Top 54%)8745(Top 155%)
23M23.00 mi1.25 mi21122+44912837+23412837+23412683(Top 45%)8568(Top 53%)8568(Top 152%)
24M24.00 mi1.00 mi21330-20812914-7712914-7724313(Top 86%)13971(Top 87%)13971(Top 248%)
40K24.85 mi0.85 mi21153+17712812+10212812+10215580(Top 55%)9714(Top 60%)9714(Top 172%)
25.2M25.20 mi0.35 mi21120+3312791+2112791+2120238(Top 71%)11907(Top 74%)11907(Top 211%)
Finish26.22 mi1.02 mi20996+12412718+7312718+7317180(Top 60%)10490(Top 65%)10490(Top 186%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

10219

Males

8207

M18-39

8207

5K→10K

3.1 - 6.2 mi

Top 31%
×5stories
+79ft-138ft

Overall

8787

Males

7472

M18-39

7472

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

10219

Males

8207

M18-39

8207

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

13088

Males

9460

M18-39

9460

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10902

Males

8527

M18-39

8527

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10986

Males

8383

M18-39

8383

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

25422

Males

14730

M18-39

14730

30K→20M

18.6 - 20.0 mi

Top 52%
×5stories
+64ft-50ft

Overall

14701

Males

9786

M18-39

9786

20M→21M

20.0 - 21.0 mi

Top 100%
×8stories
+106ft-24ft

Overall

28401

Males

16103

M18-39

16103

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

12833

Males

8745

M18-39

8745

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

12683

Males

8568

M18-39

8568

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

24313

Males

13971

M18-39

13971

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

15580

Males

9714

M18-39

9714

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20238

Males

11907

M18-39

11907

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

17180

Males

10490

M18-39

10490

Passing Analysis

Category:
Athletes Passed
1471
Passed By
14849
Net Change
-13381
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7615
5K → 10K53645-592#7615#8207
10K → 15K42653-611#8207#8818
15K → 20K351081-1047#8818#9865
20K → Half1363-50#9865#9915
Half → 25K113238-126#9915#10041
25K → 30K15527-5527#10041#15568
30K → 20M17160+111#15568#15457
20M → 21M06343-6343#15457#21800
21M → 35K2290+229#21800#21571
35K → 23M4501+449#21571#21122
23M → 24M10218-208#21122#21330
24M → 40K1781+177#21330#21153
40K → 25.2M4310+33#21153#21120
25.2M → Finish1339+124#21120#20996
TOTALS147114849-13381
📊

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