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BOSTON MARATHON 2025

Jacob Johnson

Bib: 3787•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 10%
Gender (Male)
#0 / 16105
Top 17%
Division (M18-39)
#0 / 5642
Top 39%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:50
Rank: #2992
Start → 5K
19:50 | 6:23/mi
10K· 6.21 mi
39:31
Rank: #2786 (+206)
5K → 10K
19:41 | 6:20/mi
15K· 9.32 mi
59:26
Rank: #2850 (-64)
10K → 15K
19:55 | 6:25/mi
20K· 12.43 mi
1:19:31
Rank: #2839 (+11)
15K → 20K
20:05 | 6:28/mi
Half· 13.11 mi
1:23:54
Rank: #2862 (-23)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:40:00
Rank: #2969 (-107)
Half → 25K
16:06 | 6:38/mi
30K· 18.64 mi
2:01:15
Rank: #3073 (-104)
25K → 30K
21:15 | 6:50/mi
20M
2:10:33
Rank: #3027 (+46)
30K → 20M
9:18 | 6:51/mi
21M
2:17:47
Rank: #3006 (+21)
20M → 21M
7:14 | 7:14/mi
35K· 21.75 mi
2:22:45
Rank: #2979 (+27)
21M → 35K
4:58 | 6:38/mi
23M
2:31:33
Rank: #2976 (+3)
35K → 23M
8:48 | 7:02/mi
24M
2:38:22
Rank: #2984 (-8)
23M → 24M
6:49 | 6:49/mi
40K· 24.85 mi
2:44:28
Rank: #2992 (-8)
24M → 40K
6:06 | 7:08/mi
25.2M
2:47:07
Rank: #2995 (-3)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
2:53:52
Rank: #2978 (+17)
25.2M → Finish
6:45 | 6:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:54
Pace6:24 /mi
2nd Half
Distance13.11 mi
Time1:29:58
Pace6:52 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4619:506:2319:50
6:23
-
10K
6.21 mi10:42:2739:316:2219:41
6:20
-0:03
15K
9.32 mi11:02:2259:266:2319:55
6:25
+0:05
20K
12.43 mi11:22:271:19:316:2420:05
6:28
+0:03
Half
13.11 mi11:26:501:23:546:244:23
6:25
-0:03
25K
15.53 mi11:42:561:40:006:2616:06
6:38
+0:13
30K
18.64 mi12:04:112:01:156:3021:15
6:50
+0:12
20M
20.00 mi12:13:292:10:336:329:18
6:51
+0:01
21M
21.00 mi12:20:432:17:476:347:14
7:14
+0:23
35K
21.75 mi12:25:412:22:456:344:58
6:38
-0:36
23M
23.00 mi12:34:292:31:336:358:48
7:02
+0:24
24M
24.00 mi12:41:182:38:226:366:49
6:49
-0:13
40K
24.85 mi12:47:242:44:286:376:06
7:08
+0:19
25.2M
25.20 mi12:50:032:47:076:382:39
7:41
+0:33
Finish
26.22 mi12:56:482:53:526:386:45
6:37
-1:04

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

6:20 /mi

Average Pace

6:38 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:03:49

37% of race

Time at Steady Pace

47:54

28% of race

Time at Slower Pace

1:02:09

36% of race

Average Pace: 6:38 /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 mi10:22:4619:506:2319:50
6:23
#2992
10K
6.21 mi10:42:2739:316:2219:41
6:20
#2786
15K
9.32 mi11:02:2259:266:2319:55
6:25
#2850
20K
12.43 mi11:22:271:19:316:2420:05
6:28
#2839
Half
13.11 mi11:26:501:23:546:244:23
6:25
#2862
25K
15.53 mi11:42:561:40:006:2616:06
6:38
#2969
30K
18.64 mi12:04:112:01:156:3021:15
6:50
#3073
20M
20.00 mi12:13:292:10:336:329:18
6:51
#3027
21M
21.00 mi12:20:432:17:476:347:14
7:14
#3006
35K
21.75 mi12:25:412:22:456:344:58
6:38
#2979
23M
23.00 mi12:34:292:31:336:358:48
7:02
#2976
24M
24.00 mi12:41:182:38:226:366:49
6:49
#2984
40K
24.85 mi12:47:242:44:286:376:06
7:08
#2992
25.2M
25.20 mi12:50:032:47:076:382:39
7:41
#2995
Finish
26.22 mi12:56:482:53:526:386:45
6:37
#2978
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2992284528453005(Top 11%)2864(Top 18%)2864(Top 51%)
10K6.21 mi3.10 mi2786+2062653+1922653+1922641(Top 9%)2518(Top 16%)2518(Top 45%)
15K9.32 mi3.11 mi2850-642717-642717-643005(Top 11%)2864(Top 18%)2864(Top 51%)
20K12.43 mi3.11 mi2839+112708+92708+92897(Top 10%)2759(Top 17%)2759(Top 49%)
Half13.11 mi0.68 mi2862-232728-202728-203174(Top 11%)3015(Top 19%)3015(Top 53%)
25K15.53 mi2.42 mi2969-1072829-1012829-1013706(Top 13%)3480(Top 22%)3480(Top 62%)
30K18.64 mi3.11 mi3073-1042924-952924-953677(Top 13%)3402(Top 21%)3402(Top 60%)
20M20.00 mi1.36 mi3027+462875+492875+493163(Top 11%)2928(Top 18%)2928(Top 52%)
21M21.00 mi1.00 mi3006+212850+252850+253253(Top 11%)2991(Top 19%)2991(Top 53%)
35K21.75 mi0.75 mi2979+272822+282822+283122(Top 11%)2864(Top 18%)2864(Top 51%)
23M23.00 mi1.25 mi2976+32814+82814+83909(Top 14%)3498(Top 22%)3498(Top 62%)
24M24.00 mi1.00 mi2984-82823-92823-93577(Top 13%)3196(Top 20%)3196(Top 57%)
40K24.85 mi0.85 mi2992-82826-32826-34628(Top 16%)3933(Top 24%)3933(Top 70%)
25.2M25.20 mi0.35 mi2995-32828-22828-24181(Top 15%)3537(Top 22%)3537(Top 63%)
Finish26.22 mi1.02 mi2978+172808+202808+203434(Top 12%)3003(Top 19%)3003(Top 53%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3005

Males

2864

M18-39

2864

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2641

Males

2518

M18-39

2518

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3005

Males

2864

M18-39

2864

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2897

Males

2759

M18-39

2759

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3174

Males

3015

M18-39

3015

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3706

Males

3480

M18-39

3480

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3677

Males

3402

M18-39

3402

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3163

Males

2928

M18-39

2928

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

3253

Males

2991

M18-39

2991

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

3122

Males

2864

M18-39

2864

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3909

Males

3498

M18-39

3498

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3577

Males

3196

M18-39

3196

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4628

Males

3933

M18-39

3933

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4181

Males

3537

M18-39

3537

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3434

Males

3003

M18-39

3003

Passing Analysis

Category:
Athletes Passed
896
Passed By
882
Net Change
+14
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2992
5K → 10K25852+206#2992#2786
10K → 15K51115-64#2786#2850
15K → 20K8372+11#2850#2839
20K → Half730-23#2839#2862
Half → 25K43150-107#2862#2969
25K → 30K78182-104#2969#3073
30K → 20M7529+46#3073#3027
20M → 21M5534+21#3027#3006
21M → 35K4316+27#3006#2979
35K → 23M6057+3#2979#2976
23M → 24M3644-8#2976#2984
24M → 40K3846-8#2984#2992
40K → 25.2M2023-3#2992#2995
25.2M → Finish4932+17#2995#2978
TOTALS896882+14
📊

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