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BOSTON MARATHON 2023

John Fullard

Bib: 4908•M

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 17%
Gender (Male)
#0 / 15176
Top 28%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:45
Rank: #6240
Start → 5K
21:45 | 7:00/mi
10K· 6.21 mi
43:33
Rank: #6539 (-299)
5K → 10K
21:48 | 7:01/mi
15K· 9.32 mi
1:05:58
Rank: #6960 (-421)
10K → 15K
22:25 | 7:13/mi
20K· 12.43 mi
1:27:33
Rank: #6610 (+350)
15K → 20K
21:35 | 6:57/mi
Half· 13.11 mi
1:32:12
Rank: #6539 (+71)
20K → Half
4:39 | 6:49/mi
25K· 15.53 mi
1:49:19
Rank: #6427 (+112)
Half → 25K
17:07 | 7:04/mi
30K· 18.64 mi
2:11:19
Rank: #6086 (+341)
25K → 30K
22:00 | 7:05/mi
20M
2:20:46
Rank: #5882 (+204)
30K → 20M
9:27 | 6:57/mi
21M
2:27:59
Rank: #5687 (+195)
20M → 21M
7:13 | 7:13/mi
35K· 21.75 mi
2:32:51
Rank: #5555 (+132)
21M → 35K
4:52 | 6:30/mi
23M
2:40:54
Rank: #5200 (+355)
35K → 23M
8:03 | 6:26/mi
24M
2:47:26
Rank: #5022 (+178)
23M → 24M
6:32 | 6:32/mi
40K· 24.85 mi
2:53:03
Rank: #4856 (+166)
24M → 40K
5:37 | 6:34/mi
25.2M
2:55:28
Rank: #4778 (+78)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
3:01:48
Rank: #4575 (+203)
25.2M → Finish
6:20 | 6:13/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:32:12
Pace7:02 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:29:36
Pace6:50 /mi
📊Negative Split: 2.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4721:457:0021:45
7:00
-
10K
6.21 mi10:45:3543:337:0121:48
7:01
+0:01
15K
9.32 mi11:08:001:05:587:0522:25
7:13
+0:12
20K
12.43 mi11:29:351:27:337:0321:35
6:57
-0:16
Half
13.11 mi11:34:141:32:127:024:39
6:49
-0:08
25K
15.53 mi11:51:211:49:197:0217:07
7:04
+0:15
30K
18.64 mi12:13:212:11:197:0322:00
7:05
+0:01
20M
20.00 mi12:22:482:20:467:029:27
6:57
-0:08
21M
21.00 mi12:30:012:27:597:037:13
7:13
+0:16
35K
21.75 mi12:34:532:32:517:024:52
6:30
-0:43
23M
23.00 mi12:42:562:40:547:008:03
6:26
-0:04
24M
24.00 mi12:49:282:47:266:596:32
6:32
+0:06
40K
24.85 mi12:55:052:53:036:585:37
6:34
+0:02
25.2M
25.20 mi12:57:302:55:286:582:25
7:00
+0:26
Finish
26.22 mi13:03:503:01:486:566:20
6:13
-0:47

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

6:13 /mi

Average Pace

6:56 /mi

Slowest Pace

7:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

36:03

20% of race

Time at Steady Pace

2:25:45

80% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:56 /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 mi10:23:4721:457:0021:45
7:00
#6240
10K
6.21 mi10:45:3543:337:0121:48
7:01
#6539
15K
9.32 mi11:08:001:05:587:0522:25
7:13
#6960
20K
12.43 mi11:29:351:27:337:0321:35
6:57
#6610
Half
13.11 mi11:34:141:32:127:024:39
6:49
#6539
25K
15.53 mi11:51:211:49:197:0217:07
7:04
#6427
30K
18.64 mi12:13:212:11:197:0322:00
7:05
#6086
20M
20.00 mi12:22:482:20:467:029:27
6:57
#5882
21M
21.00 mi12:30:012:27:597:037:13
7:13
#5687
35K
21.75 mi12:34:532:32:517:024:52
6:30
#5555
23M
23.00 mi12:42:562:40:547:008:03
6:26
#5200
24M
24.00 mi12:49:282:47:266:596:32
6:32
#5022
40K
24.85 mi12:55:052:53:036:585:37
6:34
#4856
25.2M
25.20 mi12:57:302:55:286:582:25
7:00
#4778
Finish
26.22 mi13:03:503:01:486:566:20
6:13
#4575
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6240569156917882(Top 30%)6837(Top 45%)6837(Top 129%)
10K6.21 mi3.10 mi6539-2995898-2075898-2076923(Top 26%)6179(Top 41%)6179(Top 117%)
15K9.32 mi3.11 mi6960-4216222-3246222-3247882(Top 30%)6837(Top 45%)6837(Top 129%)
20K12.43 mi3.11 mi6610+3505940+2825940+2825635(Top 21%)5172(Top 34%)5172(Top 98%)
Half13.11 mi0.68 mi6539+715891+495891+495337(Top 20%)4920(Top 32%)4920(Top 93%)
25K15.53 mi2.42 mi6427+1125798+935798+935883(Top 22%)5355(Top 35%)5355(Top 101%)
30K18.64 mi3.11 mi6086+3415527+2715527+2714815(Top 18%)4437(Top 29%)4437(Top 84%)
20M20.00 mi1.36 mi5882+2045367+1605367+1603751(Top 14%)3495(Top 23%)3495(Top 66%)
21M21.00 mi1.00 mi5687+1955207+1605207+1603228(Top 12%)3014(Top 20%)3014(Top 57%)
35K21.75 mi0.75 mi5555+1325096+1115096+1112484(Top 9%)2356(Top 16%)2356(Top 45%)
23M23.00 mi1.25 mi5200+3554779+3174779+3171214(Top 5%)1148(Top 8%)1148(Top 22%)
24M24.00 mi1.00 mi5022+1784620+1594620+1592261(Top 8%)2119(Top 14%)2119(Top 40%)
40K24.85 mi0.85 mi4856+1664481+1394481+1391822(Top 7%)1717(Top 11%)1717(Top 32%)
25.2M25.20 mi0.35 mi4778+784416+654416+651823(Top 7%)1716(Top 11%)1716(Top 32%)
Finish26.22 mi1.02 mi4575+2034248+1684248+1681347(Top 5%)1277(Top 8%)1277(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

7882

Males

6837

M18-39

6837

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

6923

Males

6179

M18-39

6179

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

7882

Males

6837

M18-39

6837

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5635

Males

5172

M18-39

5172

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5337

Males

4920

M18-39

4920

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

5883

Males

5355

M18-39

5355

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4815

Males

4437

M18-39

4437

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3751

Males

3495

M18-39

3495

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3228

Males

3014

M18-39

3014

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2484

Males

2356

M18-39

2356

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1214

Males

1148

M18-39

1148

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2261

Males

2119

M18-39

2119

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1822

Males

1717

M18-39

1717

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1823

Males

1716

M18-39

1716

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1347

Males

1277

M18-39

1277

Passing Analysis

Category:
Athletes Passed
2526
Passed By
861
Net Change
+1665
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6240
5K → 10K72371-299#6240#6539
10K → 15K26447-421#6539#6960
15K → 20K3577+350#6960#6610
20K → Half710+71#6610#6539
Half → 25K13725+112#6539#6427
25K → 30K3465+341#6427#6086
30K → 20M2073+204#6086#5882
20M → 21M1961+195#5882#5687
21M → 35K1320+132#5687#5555
35K → 23M3550+355#5555#5200
23M → 24M1791+178#5200#5022
24M → 40K1660+166#5022#4856
40K → 25.2M791+78#4856#4778
25.2M → Finish2030+203#4778#4575
TOTALS2526861+1665
📊

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