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BOSTON MARATHON 2023

Jay Johnsom

Bib: 3304•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 23%
Masters (Masters Men)
#0 / 9891
Top 11%
Division (M40-44)
#0 / 2241
Top 27%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:37
Rank: #3133
Start → 5K
20:37 | 6:38/mi
10K· 6.21 mi
40:57
Rank: #3088 (+45)
5K → 10K
20:20 | 6:33/mi
15K· 9.32 mi
1:01:27
Rank: #3150 (-62)
10K → 15K
20:30 | 6:36/mi
20K· 12.43 mi
1:22:17
Rank: #3225 (-75)
15K → 20K
20:50 | 6:42/mi
Half· 13.11 mi
1:26:55
Rank: #3319 (-94)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:43:39
Rank: #3528 (-209)
Half → 25K
16:44 | 6:54/mi
30K· 18.64 mi
2:05:09
Rank: #3560 (-32)
25K → 30K
21:30 | 6:55/mi
20M
2:14:40
Rank: #3561 (-1)
30K → 20M
9:31 | 7:00/mi
21M
2:22:01
Rank: #3564 (-3)
20M → 21M
7:21 | 7:21/mi
35K· 21.75 mi
2:27:13
Rank: #3618 (-54)
21M → 35K
5:12 | 6:57/mi
23M
2:36:07
Rank: #3629 (-11)
35K → 23M
8:54 | 7:06/mi
24M
2:43:05
Rank: #3683 (-54)
23M → 24M
6:58 | 6:58/mi
40K· 24.85 mi
2:49:10
Rank: #3709 (-26)
24M → 40K
6:05 | 7:07/mi
25.2M
2:51:46
Rank: #3729 (-20)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
2:58:47
Rank: #3775 (-46)
25.2M → Finish
7:01 | 6:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:55
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:31:52
Pace7:00 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5420:376:3820:37
6:38
-
10K
6.21 mi10:42:1440:576:3520:20
6:33
-0:05
15K
9.32 mi11:02:441:01:276:3620:30
6:36
+0:03
20K
12.43 mi11:23:341:22:176:3720:50
6:42
+0:06
Half
13.11 mi11:28:121:26:556:384:38
6:47
+0:05
25K
15.53 mi11:44:561:43:396:4016:44
6:54
+0:07
30K
18.64 mi12:06:262:05:096:4321:30
6:55
+0:01
20M
20.00 mi12:15:572:14:406:449:31
7:00
+0:05
21M
21.00 mi12:23:182:22:016:467:21
7:21
+0:21
35K
21.75 mi12:28:302:27:136:465:12
6:57
-0:24
23M
23.00 mi12:37:242:36:076:478:54
7:06
+0:09
24M
24.00 mi12:44:222:43:056:486:58
6:58
-0:08
40K
24.85 mi12:50:272:49:106:486:05
7:07
+0:09
25.2M
25.20 mi12:53:032:51:466:492:36
7:32
+0:25
Finish
26.22 mi13:00:042:58:476:497:01
6:53
-0:39

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

6:33 /mi

Average Pace

6:49 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:50

94% of race

Time at Steady Pace

9:57

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:21:5420:376:3820:37
6:38
#3133
10K
6.21 mi10:42:1440:576:3520:20
6:33
#3088
15K
9.32 mi11:02:441:01:276:3620:30
6:36
#3150
20K
12.43 mi11:23:341:22:176:3720:50
6:42
#3225
Half
13.11 mi11:28:121:26:556:384:38
6:47
#3319
25K
15.53 mi11:44:561:43:396:4016:44
6:54
#3528
30K
18.64 mi12:06:262:05:096:4321:30
6:55
#3560
20M
20.00 mi12:15:572:14:406:449:31
7:00
#3561
21M
21.00 mi12:23:182:22:016:467:21
7:21
#3564
35K
21.75 mi12:28:302:27:136:465:12
6:57
#3618
23M
23.00 mi12:37:242:36:076:478:54
7:06
#3629
24M
24.00 mi12:44:222:43:056:486:58
6:58
#3683
40K
24.85 mi12:50:272:49:106:486:05
7:07
#3709
25.2M
25.20 mi12:53:032:51:466:492:36
7:32
#3729
Finish
26.22 mi13:00:042:58:476:497:01
6:53
#3775
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3133296129613283(Top 12%)3118(Top 21%)3118(Top 139%)
10K6.21 mi3.10 mi3088+452938+232938+233084(Top 12%)2942(Top 19%)2942(Top 131%)
15K9.32 mi3.11 mi3150-623000-623000-623283(Top 12%)3118(Top 21%)3118(Top 139%)
20K12.43 mi3.11 mi3225-753070-703070-703629(Top 14%)3434(Top 23%)3434(Top 153%)
Half13.11 mi0.68 mi3319-943157-873157-875106(Top 19%)4716(Top 31%)4716(Top 210%)
25K15.53 mi2.42 mi3528-2093346-1893346-1894950(Top 19%)4579(Top 30%)4579(Top 204%)
30K18.64 mi3.11 mi3560-323370-243370-243784(Top 14%)3548(Top 23%)3548(Top 158%)
20M20.00 mi1.36 mi3561-13369+13369+14034(Top 15%)3734(Top 25%)3734(Top 167%)
21M21.00 mi1.00 mi3564-33374-53374-53869(Top 15%)3577(Top 24%)3577(Top 160%)
35K21.75 mi0.75 mi3618-543418-443418-445023(Top 19%)4498(Top 30%)4498(Top 201%)
23M23.00 mi1.25 mi3629-113427-93427-94324(Top 16%)3943(Top 26%)3943(Top 176%)
24M24.00 mi1.00 mi3683-543469-423469-424475(Top 17%)4036(Top 27%)4036(Top 180%)
40K24.85 mi0.85 mi3709-263487-183487-184427(Top 17%)3928(Top 26%)3928(Top 175%)
25.2M25.20 mi0.35 mi3729-203504-173504-174034(Top 15%)3576(Top 24%)3576(Top 160%)
Finish26.22 mi1.02 mi3775-463543-393543-394526(Top 17%)3934(Top 26%)3934(Top 176%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3283

Males

3118

M40-44

3118

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3084

Males

2942

M40-44

2942

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3283

Males

3118

M40-44

3118

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3629

Males

3434

M40-44

3434

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5106

Males

4716

M40-44

4716

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

4950

Males

4579

M40-44

4579

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3784

Males

3548

M40-44

3548

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4034

Males

3734

M40-44

3734

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

3869

Males

3577

M40-44

3577

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5023

Males

4498

M40-44

4498

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4324

Males

3943

M40-44

3943

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4475

Males

4036

M40-44

4036

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4427

Males

3928

M40-44

3928

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4034

Males

3576

M40-44

3576

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4526

Males

3934

M40-44

3934

Passing Analysis

Category:
Athletes Passed
733
Passed By
1375
Net Change
-642
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3133
5K → 10K178133+45#3133#3088
10K → 15K64126-62#3088#3150
15K → 20K68143-75#3150#3225
20K → Half094-94#3225#3319
Half → 25K29238-209#3319#3528
25K → 30K89121-32#3528#3560
30K → 20M5960-1#3560#3561
20M → 21M4750-3#3561#3564
21M → 35K1771-54#3564#3618
35K → 23M5970-11#3618#3629
23M → 24M3387-54#3629#3683
24M → 40K3662-26#3683#3709
40K → 25.2M1636-20#3709#3729
25.2M → Finish3884-46#3729#3775
TOTALS7331375-642
📊

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