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BOSTON MARATHON 2023

John Tobin

Bib: 32194•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:39
Rank: #24733
Start → 5K
32:39 | 10:31/mi
10K· 6.21 mi
1:05:48
Rank: #24885 (-152)
5K → 10K
33:09 | 10:40/mi
15K· 9.32 mi
1:38:45
Rank: #24790 (+95)
10K → 15K
32:57 | 10:36/mi
20K· 12.43 mi
2:13:01
Rank: #24770 (+20)
15K → 20K
34:16 | 11:02/mi
Half· 13.11 mi
2:20:21
Rank: #24770
20K → Half
7:20 | 10:45/mi
25K· 15.53 mi
2:47:07
Rank: #24644 (+126)
Half → 25K
26:46 | 11:02/mi
30K· 18.64 mi
3:23:52
Rank: #24568 (+76)
25K → 30K
36:45 | 11:50/mi
20M
3:40:20
Rank: #24559 (+9)
30K → 20M
16:28 | 12:07/mi
21M
3:53:14
Rank: #24537 (+22)
20M → 21M
12:54 | 12:54/mi
35K· 21.75 mi
4:01:52
Rank: #24523 (+14)
21M → 35K
8:38 | 11:32/mi
23M
4:16:24
Rank: #24463 (+60)
35K → 23M
14:32 | 11:36/mi
24M
4:27:41
Rank: #24429 (+34)
23M → 24M
11:17 | 11:17/mi
40K· 24.85 mi
4:37:34
Rank: #24398 (+31)
24M → 40K
9:53 | 11:34/mi
25.2M
4:42:06
Rank: #24406 (-8)
40K → 25.2M
4:32 | 13:09/mi
Finish· 26.22 mi
4:53:24
Rank: #24405 (+1)
25.2M → Finish
11:18 | 11:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:20:21
Pace10:42 /mi
2nd Half
Distance13.11 mi
Time2:33:03
Pace11:41 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4332:3910:3132:39
10:31
-
10K
6.21 mi12:26:521:05:4810:3533:09
10:40
+0:09
15K
9.32 mi12:59:491:38:4510:3632:57
10:36
-0:04
20K
12.43 mi13:34:052:13:0110:4234:16
11:02
+0:26
Half
13.11 mi13:41:252:20:2110:427:20
10:45
-0:17
25K
15.53 mi14:08:112:47:0710:4526:46
11:02
+0:17
30K
18.64 mi14:44:563:23:5210:5636:45
11:50
+0:48
20M
20.00 mi15:01:243:40:2011:0116:28
12:07
+0:17
21M
21.00 mi15:14:183:53:1411:0612:54
12:54
+0:47
35K
21.75 mi15:22:564:01:5211:078:38
11:32
-1:22
23M
23.00 mi15:37:284:16:2411:0914:32
11:36
+0:04
24M
24.00 mi15:48:454:27:4111:0911:17
11:17
-0:19
40K
24.85 mi15:58:384:37:3411:109:53
11:34
+0:17
25.2M
25.20 mi16:03:104:42:0611:124:32
13:09
+1:35
Finish
26.22 mi16:14:284:53:2411:1211:18
11:05
-2:04

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

10:31 /mi

Average Pace

11:12 /mi

Slowest Pace

13:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:05

36% of race

Time at Steady Pace

1:56:40

40% of race

Time at Slower Pace

1:10:39

24% of race

Average Pace: 11:11 /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 mi11:53:4332:3910:3132:39
10:31
#24733
10K
6.21 mi12:26:521:05:4810:3533:09
10:40
#24885
15K
9.32 mi12:59:491:38:4510:3632:57
10:36
#24790
20K
12.43 mi13:34:052:13:0110:4234:16
11:02
#24770
Half
13.11 mi13:41:252:20:2110:427:20
10:45
#24770
25K
15.53 mi14:08:112:47:0710:4526:46
11:02
#24644
30K
18.64 mi14:44:563:23:5210:5636:45
11:50
#24568
20M
20.00 mi15:01:243:40:2011:0116:28
12:07
#24559
21M
21.00 mi15:14:183:53:1411:0612:54
12:54
#24537
35K
21.75 mi15:22:564:01:5211:078:38
11:32
#24523
23M
23.00 mi15:37:284:16:2411:0914:32
11:36
#24463
24M
24.00 mi15:48:454:27:4111:0911:17
11:17
#24429
40K
24.85 mi15:58:384:37:3411:109:53
11:34
#24398
25.2M
25.20 mi16:03:104:42:0611:124:32
13:09
#24406
Finish
26.22 mi16:14:284:53:2411:1211:18
11:05
#24405
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi24733144201442024646(Top 93%)14365(Top 95%)14365(Top 700%)
10K6.21 mi3.10 mi24885-15214490-7014490-7024968(Top 94%)14523(Top 96%)14523(Top 708%)
15K9.32 mi3.11 mi24790+9514437+5314437+5324646(Top 93%)14365(Top 95%)14365(Top 700%)
20K12.43 mi3.11 mi24770+2014424+1314424+1324667(Top 93%)14354(Top 95%)14354(Top 700%)
Half13.11 mi0.68 mi2477014417+714417+724584(Top 92%)14301(Top 94%)14301(Top 697%)
25K15.53 mi2.42 mi24644+12614352+6514352+6524040(Top 90%)14045(Top 93%)14045(Top 684%)
30K18.64 mi3.11 mi24568+7614306+4614306+4624305(Top 91%)14111(Top 93%)14111(Top 688%)
20M20.00 mi1.36 mi24559+914294+1214294+1224338(Top 91%)14062(Top 93%)14062(Top 685%)
21M21.00 mi1.00 mi24537+2214279+1514279+1523974(Top 90%)13884(Top 91%)13884(Top 677%)
35K21.75 mi0.75 mi24523+1414270+914270+924157(Top 91%)13927(Top 92%)13927(Top 679%)
23M23.00 mi1.25 mi24463+6014227+4314227+4323426(Top 88%)13589(Top 90%)13589(Top 662%)
24M24.00 mi1.00 mi24429+3414199+2814199+2823559(Top 88%)13615(Top 90%)13615(Top 663%)
40K24.85 mi0.85 mi24398+3114180+1914180+1923298(Top 88%)13454(Top 89%)13454(Top 656%)
25.2M25.20 mi0.35 mi24406-814186-614186-624130(Top 91%)13858(Top 91%)13858(Top 675%)
Finish26.22 mi1.02 mi24405+114179+714179+724123(Top 91%)13880(Top 91%)13880(Top 676%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

24646

Males

14365

M50-54

14365

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

24968

Males

14523

M50-54

14523

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

24646

Males

14365

M50-54

14365

15K→20K

9.3 - 12.4 mi

Top 93%
×5stories
+106ft-86ft

Overall

24667

Males

14354

M50-54

14354

20K→Half

12.4 - 13.1 mi

Top 92%
×2stories
+19ft-37ft

Overall

24584

Males

14301

M50-54

14301

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

24040

Males

14045

M50-54

14045

25K→30K

15.5 - 18.6 mi

Top 91%
×9stories
+181ft-148ft

Overall

24305

Males

14111

M50-54

14111

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

24338

Males

14062

M50-54

14062

20M→21M

20.0 - 21.0 mi

Top 90%
×8stories
+106ft-24ft

Overall

23974

Males

13884

M50-54

13884

21M→35K

21.0 - 21.8 mi

Top 91%
×7stories
+17ft-86ft

Overall

24157

Males

13927

M50-54

13927

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

23426

Males

13589

M50-54

13589

23M→24M

23.0 - 24.0 mi

Top 88%
×6stories
+12ft-82ft

Overall

23559

Males

13615

M50-54

13615

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23298

Males

13454

M50-54

13454

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

24130

Males

13858

M50-54

13858

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2stories
+22ft-21ft

Overall

24123

Males

13880

M50-54

13880

Passing Analysis

Category:
Athletes Passed
1030
Passed By
702
Net Change
+328
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24733
5K → 10K128280-152#24733#24885
10K → 15K16166+95#24885#24790
15K → 20K11494+20#24790#24770
20K → Half23230#24770#24770
Half → 25K14519+126#24770#24644
25K → 30K13054+76#24644#24568
30K → 20M5243+9#24568#24559
20M → 21M5432+22#24559#24537
21M → 35K2713+14#24537#24523
35K → 23M7616+60#24523#24463
23M → 24M4713+34#24463#24429
24M → 40K4312+31#24429#24398
40K → 25.2M816-8#24398#24406
25.2M → Finish2221+1#24406#24405
TOTALS1030702+328
📊

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