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BOSTON MARATHON 2025

Christian Johnson

Bib: 19578•M

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
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
7:55/mi
24:35
↑ 97↓ 3451.5%
10K· 6.21 mi
7:58/mi
49:20
↑ 79↓ 1380.4%
15K· 9.32 mi
8:04/mi
1:14:24
↑ 67↓ 78
20K· 12.43 mi
8:14/mi
1:39:58
↑ 106↓ 860.1%
Half· 13.11 mi
8:05/mi
1:45:29
↑ 19↓ 370.5%
25K· 15.53 mi
8:32/mi
2:06:10
↑ 66↓ 880.2%
30K· 18.64 mi
9:07/mi
2:34:29
↑ 181↓ 1480.2%
20M
9:37/mi
2:47:33
↑ 64↓ 500.2%
21M
10:12/mi
2:57:45
↑ 106↓ 241.6%
35K· 21.75 mi
9:27/mi
3:04:49
↑ 17↓ 861.7%
23M
9:41/mi
3:16:57
↑ 23↓ 630.6%
24M
9:34/mi
3:26:31
↓ 821.3%
40K· 24.85 mi
9:41/mi
3:34:48
↓ 200.3%
25.2M
10:23/mi
3:38:23
↑ 13↓ 160.2%
Finish· 26.22 mi
9:11/mi
3:47:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:29
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time2:02:16
Pace9:20 /mi
📊Positive Split: 15.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:1724:357:5524:35
7:55
-
10K
6.21 mi11:41:0249:207:5624:45
7:58
+0:03
15K
9.32 mi12:06:061:14:247:5925:04
8:04
+0:06
20K
12.43 mi12:31:401:39:588:0325:34
8:14
+0:10
Half
13.11 mi12:37:111:45:298:035:31
8:05
-0:09
25K
15.53 mi12:57:522:06:108:0720:41
8:32
+0:27
30K
18.64 mi13:26:112:34:298:1728:19
9:07
+0:35
20M
20.00 mi13:39:152:47:338:2313:04
9:37
+0:30
21M
21.00 mi13:49:272:57:458:2810:12
10:12
+0:35
35K
21.75 mi13:56:313:04:498:307:04
9:27
-0:45
23M
23.00 mi14:08:393:16:578:3412:08
9:41
+0:14
24M
24.00 mi14:18:133:26:318:369:34
9:34
-0:07
40K
24.85 mi14:26:303:34:488:398:17
9:41
+0:07
25.2M
25.20 mi14:30:053:38:238:403:35
10:23
+0:42
Finish
26.22 mi14:39:273:47:458:429:22
9:11
-1:12

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

7:55 /mi

Average Pace

8:42 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:10

55% of race

Time at Steady Pace

54:19

24% of race

Time at Slower Pace

47:16

21% of race

Average Pace: 8:41 /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 mi11:16:1724:357:5524:35
7:55
#15811
10K
6.21 mi11:41:0249:207:5624:45
7:58
#16005
15K
9.32 mi12:06:061:14:247:5925:04
8:04
#16192
20K
12.43 mi12:31:401:39:588:0325:34
8:14
#16274
Half
13.11 mi12:37:111:45:298:035:31
8:05
#16271
25K
15.53 mi12:57:522:06:108:0720:41
8:32
#16463
30K
18.64 mi13:26:112:34:298:1728:19
9:07
#16752
20M
20.00 mi13:39:152:47:338:2313:04
9:37
#16994
21M
21.00 mi13:49:272:57:458:2810:12
10:12
#17125
35K
21.75 mi13:56:313:04:498:307:04
9:27
#17263
23M
23.00 mi14:08:393:16:578:3412:08
9:41
#17429
24M
24.00 mi14:18:133:26:318:369:34
9:34
#17574
40K
24.85 mi14:26:303:34:488:398:17
9:41
#17650
25.2M
25.20 mi14:30:053:38:238:403:35
10:23
#17662
Finish
26.22 mi14:39:273:47:458:429:22
9:11
#17777
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi15811107361073616533(Top 58%)11022(Top 68%)11022(Top 669%)
10K6.21 mi3.10 mi16005-19410822-8610822-8616189(Top 57%)10908(Top 68%)10908(Top 662%)
15K9.32 mi3.11 mi16192-18710897-7510897-7516533(Top 58%)11022(Top 68%)11022(Top 669%)
20K12.43 mi3.11 mi16274-8210917-2010917-2016481(Top 58%)10957(Top 68%)10957(Top 665%)
Half13.11 mi0.68 mi16271+310906+1110906+1116509(Top 58%)10988(Top 68%)10988(Top 667%)
25K15.53 mi2.42 mi16463-19210975-6910975-6917366(Top 61%)11257(Top 70%)11257(Top 683%)
30K18.64 mi3.11 mi16752-28911034-5911034-5918241(Top 64%)11480(Top 71%)11480(Top 697%)
20M20.00 mi1.36 mi16994-24211107-7311107-7319659(Top 69%)11995(Top 74%)11995(Top 728%)
21M21.00 mi1.00 mi17125-13111125-1811125-1819001(Top 67%)11612(Top 72%)11612(Top 705%)
35K21.75 mi0.75 mi17263-13811159-3411159-3420113(Top 71%)12016(Top 75%)12016(Top 729%)
23M23.00 mi1.25 mi17429-16611193-3411193-3419399(Top 68%)11619(Top 72%)11619(Top 705%)
24M24.00 mi1.00 mi17574-14511235-4211235-4219843(Top 70%)11785(Top 73%)11785(Top 715%)
40K24.85 mi0.85 mi17650-7611239-411239-419408(Top 68%)11514(Top 71%)11514(Top 699%)
25.2M25.20 mi0.35 mi17662-1211238+111238+118573(Top 65%)11105(Top 69%)11105(Top 674%)
Finish26.22 mi1.02 mi17777-11511275-3711275-3719895(Top 70%)11751(Top 73%)11751(Top 713%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

16533

Males

11022

M55-59

11022

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

16189

Males

10908

M55-59

10908

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

16533

Males

11022

M55-59

11022

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

16481

Males

10957

M55-59

10957

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

16509

Males

10988

M55-59

10988

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

17366

Males

11257

M55-59

11257

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

18241

Males

11480

M55-59

11480

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

19659

Males

11995

M55-59

11995

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

19001

Males

11612

M55-59

11612

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

20113

Males

12016

M55-59

12016

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

19399

Males

11619

M55-59

11619

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

19843

Males

11785

M55-59

11785

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

19408

Males

11514

M55-59

11514

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18573

Males

11105

M55-59

11105

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2story building
+22ft-21ft

Overall

19895

Males

11751

M55-59

11751

Passing Analysis

Category:
Athletes Passed
1210
Passed By
3176
Net Change
-1966
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15811
5K → 10K240434-194#15811#16005
10K → 15K137324-187#16005#16192
15K → 20K185267-82#16192#16274
20K → Half4138+3#16274#16271
Half → 25K92284-192#16271#16463
25K → 30K142431-289#16463#16752
30K → 20M40282-242#16752#16994
20M → 21M83214-131#16994#17125
21M → 35K36174-138#17125#17263
35K → 23M69235-166#17263#17429
23M → 24M38183-145#17429#17574
24M → 40K47123-76#17574#17650
40K → 25.2M2638-12#17650#17662
25.2M → Finish34149-115#17662#17777
TOTALS12103176-1966
📊

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