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BOSTON MARATHON 2023

John Halley

Bib: 7076•M

FL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 25%
Division (M18-39)
#0 / 5285
Top 50%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:54
Rank: #3903
Start → 5K
20:54 | 6:44/mi
10K· 6.21 mi
41:25
Rank: #3660 (+243)
5K → 10K
20:31 | 6:36/mi
15K· 9.32 mi
1:02:06
Rank: #3653 (+7)
10K → 15K
20:41 | 6:39/mi
20K· 12.43 mi
1:23:06
Rank: #3739 (-86)
15K → 20K
21:00 | 6:46/mi
Half· 13.11 mi
1:27:40
Rank: #3763 (-24)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:44:23
Rank: #3963 (-200)
Half → 25K
16:43 | 6:54/mi
30K· 18.64 mi
2:06:18
Rank: #4081 (-118)
25K → 30K
21:55 | 7:03/mi
20M
2:15:42
Rank: #4011 (+70)
30K → 20M
9:24 | 6:55/mi
21M
2:22:58
Rank: #3943 (+68)
20M → 21M
7:16 | 7:16/mi
35K· 21.75 mi
2:28:13
Rank: #4014 (-71)
21M → 35K
5:15 | 7:01/mi
23M
2:37:12
Rank: #4066 (-52)
35K → 23M
8:59 | 7:10/mi
24M
2:44:13
Rank: #4105 (-39)
23M → 24M
7:01 | 7:01/mi
40K· 24.85 mi
2:50:21
Rank: #4144 (-39)
24M → 40K
6:08 | 7:10/mi
25.2M
2:52:47
Rank: #4086 (+58)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:59:33
Rank: #4057 (+29)
25.2M → Finish
6:46 | 6:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:40
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:31:53
Pace7:01 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:0720:546:4420:54
6:44
-
10K
6.21 mi10:46:3841:256:4020:31
6:36
-0:08
15K
9.32 mi11:07:191:02:066:4020:41
6:39
+0:03
20K
12.43 mi11:28:191:23:066:4121:00
6:46
+0:07
Half
13.11 mi11:32:531:27:406:414:34
6:42
-0:04
25K
15.53 mi11:49:361:44:236:4316:43
6:54
+0:12
30K
18.64 mi12:11:312:06:186:4721:55
7:03
+0:09
20M
20.00 mi12:20:552:15:426:479:24
6:55
-0:08
21M
21.00 mi12:28:112:22:586:487:16
7:16
+0:21
35K
21.75 mi12:33:262:28:136:495:15
7:01
-0:15
23M
23.00 mi12:42:252:37:126:508:59
7:10
+0:09
24M
24.00 mi12:49:262:44:136:517:01
7:01
-0:09
40K
24.85 mi12:55:342:50:216:516:08
7:10
+0:09
25.2M
25.20 mi12:58:002:52:476:512:26
7:03
-0:07
Finish
26.22 mi13:04:462:59:336:516:46
6:38
-0:25

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

6:36 /mi

Average Pace

6:51 /mi

Slowest Pace

7:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:17

96% of race

Time at Steady Pace

7:16

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:51 /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 mi10:26:0720:546:4420:54
6:44
#3903
10K
6.21 mi10:46:3841:256:4020:31
6:36
#3660
15K
9.32 mi11:07:191:02:066:4020:41
6:39
#3653
20K
12.43 mi11:28:191:23:066:4121:00
6:46
#3739
Half
13.11 mi11:32:531:27:406:414:34
6:42
#3763
25K
15.53 mi11:49:361:44:236:4316:43
6:54
#3963
30K
18.64 mi12:11:312:06:186:4721:55
7:03
#4081
20M
20.00 mi12:20:552:15:426:479:24
6:55
#4011
21M
21.00 mi12:28:112:22:586:487:16
7:16
#3943
35K
21.75 mi12:33:262:28:136:495:15
7:01
#4014
23M
23.00 mi12:42:252:37:126:508:59
7:10
#4066
24M
24.00 mi12:49:262:44:136:517:01
7:01
#4105
40K
24.85 mi12:55:342:50:216:516:08
7:10
#4144
25.2M
25.20 mi12:58:002:52:476:512:26
7:03
#4086
Finish
26.22 mi13:04:462:59:336:516:46
6:38
#4057
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3903366436643751(Top 14%)3535(Top 23%)3535(Top 67%)
10K6.21 mi3.10 mi3660+2433453+2113453+2113525(Top 13%)3338(Top 22%)3338(Top 63%)
15K9.32 mi3.11 mi3653+73451+23451+23751(Top 14%)3535(Top 23%)3535(Top 67%)
20K12.43 mi3.11 mi3739-863536-853536-854073(Top 15%)3819(Top 25%)3819(Top 72%)
Half13.11 mi0.68 mi3763-243557-213557-214256(Top 16%)3980(Top 26%)3980(Top 75%)
25K15.53 mi2.42 mi3963-2003731-1743731-1744900(Top 18%)4533(Top 30%)4533(Top 86%)
30K18.64 mi3.11 mi4081-1183837-1063837-1064675(Top 18%)4316(Top 28%)4316(Top 82%)
20M20.00 mi1.36 mi4011+703772+653772+653538(Top 13%)3303(Top 22%)3303(Top 62%)
21M21.00 mi1.00 mi3943+683710+623710+623459(Top 13%)3217(Top 21%)3217(Top 61%)
35K21.75 mi0.75 mi4014-713766-563766-565386(Top 20%)4782(Top 32%)4782(Top 90%)
23M23.00 mi1.25 mi4066-523810-443810-444653(Top 17%)4196(Top 28%)4196(Top 79%)
24M24.00 mi1.00 mi4105-393843-333843-334734(Top 18%)4225(Top 28%)4225(Top 80%)
40K24.85 mi0.85 mi4144-393878-353878-354720(Top 18%)4147(Top 27%)4147(Top 78%)
25.2M25.20 mi0.35 mi4086+583825+533825+531981(Top 7%)1864(Top 12%)1864(Top 35%)
Finish26.22 mi1.02 mi4057+293795+303795+303203(Top 12%)2880(Top 19%)2880(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3751

Males

3535

M18-39

3535

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3525

Males

3338

M18-39

3338

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3751

Males

3535

M18-39

3535

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4073

Males

3819

M18-39

3819

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4256

Males

3980

M18-39

3980

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4900

Males

4533

M18-39

4533

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4675

Males

4316

M18-39

4316

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3538

Males

3303

M18-39

3303

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3459

Males

3217

M18-39

3217

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5386

Males

4782

M18-39

4782

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4653

Males

4196

M18-39

4196

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

4734

Males

4225

M18-39

4225

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4720

Males

4147

M18-39

4147

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1981

Males

1864

M18-39

1864

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3203

Males

2880

M18-39

2880

Passing Analysis

Category:
Athletes Passed
1112
Passed By
1266
Net Change
-154
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3903
5K → 10K357114+243#3903#3660
10K → 15K111104+7#3660#3653
15K → 20K66152-86#3653#3739
20K → Half1135-24#3739#3763
Half → 25K38238-200#3763#3963
25K → 30K80198-118#3963#4081
30K → 20M8515+70#4081#4011
20M → 21M10436+68#4011#3943
21M → 35K1990-71#3943#4014
35K → 23M3991-52#4014#4066
23M → 24M4382-39#4066#4105
24M → 40K3675-39#4105#4144
40K → 25.2M591+58#4144#4086
25.2M → Finish6435+29#4086#4057
TOTALS11121266-154
📊

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