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BOSTON MARATHON 2025

Bryan Johnson

Bib: 27506•M

CA

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

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
10:25/mi
32:23
↑ 97↓ 3451.5%
10K· 6.21 mi
10:10/mi
1:03:59
↑ 79↓ 1380.4%
15K· 9.32 mi
10:20/mi
1:36:06
↑ 67↓ 78
20K· 12.43 mi
10:33/mi
2:08:52
↑ 106↓ 860.1%
Half· 13.11 mi
10:10/mi
2:15:48
↑ 19↓ 370.5%
25K· 15.53 mi
12:27/mi
2:45:59
↑ 66↓ 880.2%
30K· 18.64 mi
14:00/mi
3:29:30
↑ 181↓ 1480.2%
20M
13:19/mi
3:47:36
↑ 64↓ 500.2%
21M
15:43/mi
4:03:19
↑ 106↓ 241.6%
35K· 21.75 mi
13:27/mi
4:13:23
↑ 17↓ 861.7%
23M
14:08/mi
4:31:05
↑ 23↓ 630.6%
24M
13:24/mi
4:44:29
↓ 821.3%
40K· 24.85 mi
15:15/mi
4:57:31
↓ 200.3%
25.2M
17:50/mi
5:03:40
↑ 13↓ 160.2%
Finish· 26.22 mi
13:54/mi
5:17:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:48
Pace10:22 /mi
2nd Half
Distance13.11 mi
Time3:02:02
Pace13:53 /mi
📊Positive Split: 34.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:4732:2310:2532:23
10:25
-
10K
6.21 mi12:20:231:03:5910:1831:36
10:10
-0:15
15K
9.32 mi12:52:301:36:0610:1932:07
10:20
+0:10
20K
12.43 mi13:25:162:08:5210:2232:46
10:33
+0:13
Half
13.11 mi13:32:122:15:4810:226:56
10:10
-0:23
25K
15.53 mi14:02:232:45:5910:4130:11
12:27
+2:17
30K
18.64 mi14:45:543:29:3011:1443:31
14:00
+1:33
20M
20.00 mi15:04:003:47:3611:2318:06
13:19
-0:41
21M
21.00 mi15:19:434:03:1911:3515:43
15:43
+2:24
35K
21.75 mi15:29:474:13:2311:3910:04
13:27
-2:16
23M
23.00 mi15:47:294:31:0511:4717:42
14:08
+0:41
24M
24.00 mi16:00:534:44:2911:5113:24
13:24
-0:44
40K
24.85 mi16:13:554:57:3111:5813:02
15:15
+1:51
25.2M
25.20 mi16:20:045:03:4012:036:09
17:50
+2:35
Finish
26.22 mi16:34:145:17:5012:0814:10
13:54
-3:56

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

10:10 /mi

Average Pace

12:08 /mi

Slowest Pace

17:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:48

43% of race

Time at Steady Pace

2:27:08

46% of race

Time at Slower Pace

34:54

11% of race

Average Pace: 12:07 /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 mi11:48:4732:2310:2532:23
10:25
#26603
10K
6.21 mi12:20:231:03:5910:1831:36
10:10
#26085
15K
9.32 mi12:52:301:36:0610:1932:07
10:20
#25937
20K
12.43 mi13:25:162:08:5210:2232:46
10:33
#25733
Half
13.11 mi13:32:122:15:4810:226:56
10:10
#25706
25K
15.53 mi14:02:232:45:5910:4130:11
12:27
#26015
30K
18.64 mi14:45:543:29:3011:1443:31
14:00
#26445
20M
20.00 mi15:04:003:47:3611:2318:06
13:19
#26501
21M
21.00 mi15:19:434:03:1911:3515:43
15:43
#26592
35K
21.75 mi15:29:474:13:2311:3910:04
13:27
#26635
23M
23.00 mi15:47:294:31:0511:4717:42
14:08
#26715
24M
24.00 mi16:00:534:44:2911:5113:24
13:24
#26761
40K
24.85 mi16:13:554:57:3111:5813:02
15:15
#26832
25.2M
25.20 mi16:20:045:03:4012:036:09
17:50
#26885
Finish
26.22 mi16:34:145:17:5012:0814:10
13:54
#26966
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi26603154351543525660(Top 90%)15002(Top 93%)15002(Top 266%)
10K6.21 mi3.10 mi26085+51815202+23315202+23325688(Top 90%)14998(Top 93%)14998(Top 266%)
15K9.32 mi3.11 mi25937+14815130+7215130+7225660(Top 90%)15002(Top 93%)15002(Top 266%)
20K12.43 mi3.11 mi25733+20415033+9715033+9725271(Top 89%)14793(Top 92%)14793(Top 262%)
Half13.11 mi0.68 mi25706+2715022+1115022+1125184(Top 89%)14759(Top 92%)14759(Top 262%)
25K15.53 mi2.42 mi26015-30915142-12015142-12026889(Top 95%)15454(Top 96%)15454(Top 274%)
30K18.64 mi3.11 mi26445-43015306-16415306-16427518(Top 97%)15660(Top 97%)15660(Top 278%)
20M20.00 mi1.36 mi26501-5615316-1015316-1026745(Top 94%)15253(Top 95%)15253(Top 270%)
21M21.00 mi1.00 mi26592-9115343-2715343-2727673(Top 97%)15708(Top 98%)15708(Top 278%)
35K21.75 mi0.75 mi26635-4315355-1215355-1227337(Top 96%)15507(Top 96%)15507(Top 275%)
23M23.00 mi1.25 mi26715-8015377-2215377-2227428(Top 97%)15541(Top 96%)15541(Top 275%)
24M24.00 mi1.00 mi26761-4615385-815385-827241(Top 96%)15398(Top 96%)15398(Top 273%)
40K24.85 mi0.85 mi26832-7115414-2915414-2927868(Top 98%)15759(Top 98%)15759(Top 279%)
25.2M25.20 mi0.35 mi26885-5315438-2415438-2428203(Top 99%)15957(Top 99%)15957(Top 283%)
Finish26.22 mi1.02 mi26966-8115470-3215470-3228008(Top 99%)15842(Top 98%)15842(Top 281%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

25660

Males

15002

M18-39

15002

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

25688

Males

14998

M18-39

14998

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

25660

Males

15002

M18-39

15002

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

25271

Males

14793

M18-39

14793

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

25184

Males

14759

M18-39

14759

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

26889

Males

15454

M18-39

15454

25K→30K

15.5 - 18.6 mi

Top 97%
×9story building
+181ft-148ft

Overall

27518

Males

15660

M18-39

15660

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

26745

Males

15253

M18-39

15253

20M→21M

20.0 - 21.0 mi

Top 97%
×8story building
+106ft-24ft

Overall

27673

Males

15708

M18-39

15708

21M→35K

21.0 - 21.8 mi

Top 96%
×7story building
+17ft-86ft

Overall

27337

Males

15507

M18-39

15507

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

27428

Males

15541

M18-39

15541

23M→24M

23.0 - 24.0 mi

Top 96%
×6story building
+12ft-82ft

Overall

27241

Males

15398

M18-39

15398

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

27868

Males

15759

M18-39

15759

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

28203

Males

15957

M18-39

15957

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2story building
+22ft-21ft

Overall

28008

Males

15842

M18-39

15842

Passing Analysis

Category:
Athletes Passed
1152
Passed By
1515
Net Change
-363
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26603
5K → 10K54325+518#26603#26085
10K → 15K20052+148#26085#25937
15K → 20K23430+204#25937#25733
20K → Half303+27#25733#25706
Half → 25K22331-309#25706#26015
25K → 30K26456-430#26015#26445
30K → 20M2682-56#26445#26501
20M → 21M16107-91#26501#26592
21M → 35K952-43#26592#26635
35K → 23M21101-80#26635#26715
23M → 24M1763-46#26715#26761
24M → 40K374-71#26761#26832
40K → 25.2M154-53#26832#26885
25.2M → Finish485-81#26885#26966
TOTALS11521515-363
📊

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