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BOSTON MARATHON 2025

Thomas Johnson

Bib: 1358•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 4%
Gender (Male)
#0 / 16105
Top 7%
Division (M18-39)
#0 / 5642
Top 16%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:55
Rank: #550
Start → 5K
17:55 | 5:46/mi
10K· 6.21 mi
36:29
Rank: #736 (-186)
5K → 10K
18:34 | 5:59/mi
15K· 9.32 mi
54:54
Rank: #770 (-34)
10K → 15K
18:25 | 5:56/mi
20K· 12.43 mi
1:13:48
Rank: #831 (-61)
15K → 20K
18:54 | 6:05/mi
Half· 13.11 mi
1:17:54
Rank: #845 (-14)
20K → Half
4:06 | 6:01/mi
25K· 15.53 mi
1:32:49
Rank: #881 (-36)
Half → 25K
14:55 | 6:09/mi
30K· 18.64 mi
1:52:30
Rank: #914 (-33)
25K → 30K
19:41 | 6:20/mi
20M
2:01:16
Rank: #928 (-14)
30K → 20M
8:46 | 6:27/mi
21M
2:08:09
Rank: #954 (-26)
20M → 21M
6:53 | 6:53/mi
35K· 21.75 mi
2:12:55
Rank: #958 (-4)
21M → 35K
4:46 | 6:22/mi
23M
2:21:22
Rank: #999 (-41)
35K → 23M
8:27 | 6:45/mi
24M
2:27:56
Rank: #1036 (-37)
23M → 24M
6:34 | 6:34/mi
40K· 24.85 mi
2:33:45
Rank: #1072 (-36)
24M → 40K
5:49 | 6:48/mi
25.2M
2:36:18
Rank: #1083 (-11)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:42:56
Rank: #1113 (-30)
25.2M → Finish
6:38 | 6:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:54
Pace5:57 /mi
2nd Half
Distance13.11 mi
Time1:25:02
Pace6:29 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:1717:555:4617:55
5:46
-
10K
6.21 mi10:36:5136:295:5218:34
5:59
+0:13
15K
9.32 mi10:55:1654:545:5318:25
5:56
-0:03
20K
12.43 mi11:14:101:13:485:5618:54
6:05
+0:09
Half
13.11 mi11:18:161:17:545:574:06
6:01
-0:04
25K
15.53 mi11:33:111:32:495:5814:55
6:09
+0:08
30K
18.64 mi11:52:521:52:306:0219:41
6:20
+0:11
20M
20.00 mi12:01:382:01:166:048:46
6:27
+0:07
21M
21.00 mi12:08:312:08:096:066:53
6:53
+0:26
35K
21.75 mi12:13:172:12:556:074:46
6:22
-0:31
23M
23.00 mi12:21:442:21:226:098:27
6:45
+0:23
24M
24.00 mi12:28:182:27:566:106:34
6:34
-0:11
40K
24.85 mi12:34:072:33:456:115:49
6:48
+0:14
25.2M
25.20 mi12:36:402:36:186:122:33
7:24
+0:36
Finish
26.22 mi12:43:182:42:566:136:38
6:31
-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

6:13 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:49

57% of race

Time at Steady Pace

46:25

28% of race

Time at Slower Pace

23:42

15% of race

Average Pace: 6:13 /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 mi10:18:1717:555:4617:55
5:46
#550
10K
6.21 mi10:36:5136:295:5218:34
5:59
#736
15K
9.32 mi10:55:1654:545:5318:25
5:56
#770
20K
12.43 mi11:14:101:13:485:5618:54
6:05
#831
Half
13.11 mi11:18:161:17:545:574:06
6:01
#845
25K
15.53 mi11:33:111:32:495:5814:55
6:09
#881
30K
18.64 mi11:52:521:52:306:0219:41
6:20
#914
20M
20.00 mi12:01:382:01:166:048:46
6:27
#928
21M
21.00 mi12:08:312:08:096:066:53
6:53
#954
35K
21.75 mi12:13:172:12:556:074:46
6:22
#958
23M
23.00 mi12:21:442:21:226:098:27
6:45
#999
24M
24.00 mi12:28:182:27:566:106:34
6:34
#1036
40K
24.85 mi12:34:072:33:456:115:49
6:48
#1072
25.2M
25.20 mi12:36:402:36:186:122:33
7:24
#1083
Finish
26.22 mi12:43:182:42:566:136:38
6:31
#1113
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi550511511824(Top 3%)773(Top 5%)773(Top 14%)
10K6.21 mi3.10 mi736-186686-175686-1751043(Top 4%)983(Top 6%)983(Top 17%)
15K9.32 mi3.11 mi770-34720-34720-34824(Top 3%)773(Top 5%)773(Top 14%)
20K12.43 mi3.11 mi831-61780-60780-601113(Top 4%)1049(Top 7%)1049(Top 19%)
Half13.11 mi0.68 mi845-14794-14794-141173(Top 4%)1110(Top 7%)1110(Top 20%)
25K15.53 mi2.42 mi881-36829-35829-351283(Top 5%)1214(Top 8%)1214(Top 22%)
30K18.64 mi3.11 mi914-33860-31860-311313(Top 5%)1240(Top 8%)1240(Top 22%)
20M20.00 mi1.36 mi928-14872-12872-121421(Top 5%)1343(Top 8%)1343(Top 24%)
21M21.00 mi1.00 mi954-26899-27899-271797(Top 6%)1692(Top 11%)1692(Top 30%)
35K21.75 mi0.75 mi958-4901-2901-21861(Top 7%)1745(Top 11%)1745(Top 31%)
23M23.00 mi1.25 mi999-41941-40941-402440(Top 9%)2259(Top 14%)2259(Top 40%)
24M24.00 mi1.00 mi1036-37975-34975-342298(Top 8%)2123(Top 13%)2123(Top 38%)
40K24.85 mi0.85 mi1072-361010-351010-352814(Top 10%)2540(Top 16%)2540(Top 45%)
25.2M25.20 mi0.35 mi1083-111020-101020-102843(Top 10%)2522(Top 16%)2522(Top 45%)
Finish26.22 mi1.02 mi1113-301049-291049-292834(Top 10%)2529(Top 16%)2529(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

824

Males

773

M18-39

773

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1043

Males

983

M18-39

983

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

824

Males

773

M18-39

773

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1113

Males

1049

M18-39

1049

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1173

Males

1110

M18-39

1110

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1283

Males

1214

M18-39

1214

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1313

Males

1240

M18-39

1240

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1421

Males

1343

M18-39

1343

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1797

Males

1692

M18-39

1692

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1861

Males

1745

M18-39

1745

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2440

Males

2259

M18-39

2259

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2298

Males

2123

M18-39

2123

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2814

Males

2540

M18-39

2540

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2843

Males

2522

M18-39

2522

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2834

Males

2529

M18-39

2529

Passing Analysis

Category:
Athletes Passed
170
Passed By
733
Net Change
-563
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#550
5K → 10K1187-186#550#736
10K → 15K1347-34#736#770
15K → 20K1576-61#770#831
20K → Half115-14#831#845
Half → 25K1248-36#845#881
25K → 30K3366-33#881#914
30K → 20M1832-14#914#928
20M → 21M1440-26#928#954
21M → 35K1418-4#954#958
35K → 23M1859-41#958#999
23M → 24M643-37#999#1036
24M → 40K844-36#1036#1072
40K → 25.2M617-11#1072#1083
25.2M → Finish1141-30#1083#1113
TOTALS170733-563
📊

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