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BOSTON MARATHON 2023

John Marsinelli

Bib: 25849•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
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
35:00
Rank: #25997
Start → 5K
35:00 | 11:16/mi
10K· 6.21 mi
1:08:19
Rank: #25595 (+402)
5K → 10K
33:19 | 10:43/mi
15K· 9.32 mi
1:41:25
Rank: #25261 (+334)
10K → 15K
33:06 | 10:39/mi
20K· 12.43 mi
2:16:11
Rank: #25145 (+116)
15K → 20K
34:46 | 11:11/mi
Half· 13.11 mi
2:23:42
Rank: #25139 (+6)
20K → Half
7:31 | 11:01/mi
25K· 15.53 mi
2:55:03
Rank: #25349 (-210)
Half → 25K
31:21 | 12:56/mi
30K· 18.64 mi
3:35:29
Rank: #25391 (-42)
25K → 30K
40:26 | 13:01/mi
20M
3:53:05
Rank: #25392 (-1)
30K → 20M
17:36 | 12:57/mi
21M
4:08:22
Rank: #25436 (-44)
20M → 21M
15:17 | 15:17/mi
35K· 21.75 mi
4:19:08
Rank: #25489 (-53)
21M → 35K
10:46 | 14:23/mi
23M
4:35:53
Rank: #25500 (-11)
35K → 23M
16:45 | 13:23/mi
24M
4:48:29
Rank: #25498 (+2)
23M → 24M
12:36 | 12:36/mi
40K· 24.85 mi
5:01:26
Rank: #25549 (-51)
24M → 40K
12:57 | 15:09/mi
25.2M
5:07:13
Rank: #25577 (-28)
40K → 25.2M
5:47 | 16:46/mi
Finish· 26.22 mi
5:18:45
Rank: #25547 (+30)
25.2M → Finish
11:32 | 11:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:23:42
Pace10:58 /mi
2nd Half
Distance13.11 mi
Time2:55:03
Pace13:21 /mi
📊Positive Split: 21.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:1935:0011:1635:00
11:16
-
10K
6.21 mi12:24:381:08:1911:0033:19
10:43
-0:33
15K
9.32 mi12:57:441:41:2510:5333:06
10:39
-0:04
20K
12.43 mi13:32:302:16:1110:5734:46
11:11
+0:32
Half
13.11 mi13:40:012:23:4210:587:31
11:01
-0:10
25K
15.53 mi14:11:222:55:0311:1631:21
12:56
+1:55
30K
18.64 mi14:51:483:35:2911:3440:26
13:01
+0:05
20M
20.00 mi15:09:243:53:0511:3917:36
12:57
-0:04
21M
21.00 mi15:24:414:08:2211:5015:17
15:17
+2:20
35K
21.75 mi15:35:274:19:0811:5510:46
14:23
-0:54
23M
23.00 mi15:52:124:35:5312:0016:45
13:23
-1:00
24M
24.00 mi16:04:484:48:2912:0112:36
12:36
-0:47
40K
24.85 mi16:17:455:01:2612:0812:57
15:09
+2:33
25.2M
25.20 mi16:23:325:07:1312:115:47
16:46
+1:37
Finish
26.22 mi16:35:045:18:4512:1011:32
11:19
-5:27

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

10:39 /mi

Average Pace

12:10 /mi

Slowest Pace

16:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:14

49% of race

Time at Steady Pace

1:58:44

37% of race

Time at Slower Pace

44:47

14% of race

Average Pace: 12:09 /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 mi11:51:1935:0011:1635:00
11:16
#25997
10K
6.21 mi12:24:381:08:1911:0033:19
10:43
#25595
15K
9.32 mi12:57:441:41:2510:5333:06
10:39
#25261
20K
12.43 mi13:32:302:16:1110:5734:46
11:11
#25145
Half
13.11 mi13:40:012:23:4210:587:31
11:01
#25139
25K
15.53 mi14:11:222:55:0311:1631:21
12:56
#25349
30K
18.64 mi14:51:483:35:2911:3440:26
13:01
#25391
20M
20.00 mi15:09:243:53:0511:3917:36
12:57
#25392
21M
21.00 mi15:24:414:08:2211:5015:17
15:17
#25436
35K
21.75 mi15:35:274:19:0811:5510:46
14:23
#25489
23M
23.00 mi15:52:124:35:5312:0016:45
13:23
#25500
24M
24.00 mi16:04:484:48:2912:0112:36
12:36
#25498
40K
24.85 mi16:17:455:01:2612:0812:57
15:09
#25549
25.2M
25.20 mi16:23:325:07:1312:115:47
16:46
#25577
Finish
26.22 mi16:35:045:18:4512:1011:32
11:19
#25547
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi25997149261492624727(Top 93%)14396(Top 95%)14396(Top 272%)
10K6.21 mi3.10 mi25595+40214778+14814778+14825049(Top 94%)14557(Top 96%)14557(Top 275%)
15K9.32 mi3.11 mi25261+33414648+13014648+13024727(Top 93%)14396(Top 95%)14396(Top 272%)
20K12.43 mi3.11 mi25145+11614585+6314585+6324874(Top 93%)14444(Top 95%)14444(Top 273%)
Half13.11 mi0.68 mi25139+614584+114584+124963(Top 94%)14464(Top 95%)14464(Top 274%)
25K15.53 mi2.42 mi25349-21014657-7314657-7325826(Top 97%)14822(Top 98%)14822(Top 280%)
30K18.64 mi3.11 mi25391-4214658-114658-125423(Top 95%)14599(Top 96%)14599(Top 276%)
20M20.00 mi1.36 mi25392-114649+914649+925130(Top 94%)14442(Top 95%)14442(Top 273%)
21M21.00 mi1.00 mi25436-4414663-1414663-1425889(Top 97%)14820(Top 98%)14820(Top 280%)
35K21.75 mi0.75 mi25489-5314685-2214685-2226265(Top 99%)14985(Top 99%)14985(Top 284%)
23M23.00 mi1.25 mi25500-1114682+314682+325423(Top 95%)14545(Top 96%)14545(Top 275%)
24M24.00 mi1.00 mi25498+214680+214680+225156(Top 94%)14373(Top 95%)14373(Top 272%)
40K24.85 mi0.85 mi25549-5114699-1914699-1926206(Top 98%)14915(Top 98%)14915(Top 282%)
25.2M25.20 mi0.35 mi25577-2814711-1214711-1226320(Top 99%)14981(Top 99%)14981(Top 283%)
Finish26.22 mi1.02 mi25547+3014689+2214689+2224450(Top 92%)14051(Top 93%)14051(Top 266%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

24727

Males

14396

M18-39

14396

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

25049

Males

14557

M18-39

14557

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

24727

Males

14396

M18-39

14396

15K→20K

9.3 - 12.4 mi

Top 93%
×5stories
+106ft-86ft

Overall

24874

Males

14444

M18-39

14444

20K→Half

12.4 - 13.1 mi

Top 94%
×2stories
+19ft-37ft

Overall

24963

Males

14464

M18-39

14464

Half→25K

13.1 - 15.5 mi

Top 97%
×4stories
+66ft-88ft

Overall

25826

Males

14822

M18-39

14822

25K→30K

15.5 - 18.6 mi

Top 95%
×9stories
+181ft-148ft

Overall

25423

Males

14599

M18-39

14599

30K→20M

18.6 - 20.0 mi

Top 94%
×5stories
+64ft-50ft

Overall

25130

Males

14442

M18-39

14442

20M→21M

20.0 - 21.0 mi

Top 97%
×8stories
+106ft-24ft

Overall

25889

Males

14820

M18-39

14820

21M→35K

21.0 - 21.8 mi

Top 99%
×7stories
+17ft-86ft

Overall

26265

Males

14985

M18-39

14985

35K→23M

21.8 - 23.0 mi

Top 95%
×5stories
+23ft-63ft

Overall

25423

Males

14545

M18-39

14545

23M→24M

23.0 - 24.0 mi

Top 94%
×6stories
+12ft-82ft

Overall

25156

Males

14373

M18-39

14373

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

26206

Males

14915

M18-39

14915

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

26320

Males

14981

M18-39

14981

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2stories
+22ft-21ft

Overall

24450

Males

14051

M18-39

14051

Passing Analysis

Category:
Athletes Passed
1145
Passed By
695
Net Change
+450
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25997
5K → 10K41917+402#25997#25595
10K → 15K34410+334#25595#25261
15K → 20K15236+116#25261#25145
20K → Half1913+6#25145#25139
Half → 25K17227-210#25139#25349
25K → 30K60102-42#25349#25391
30K → 20M3132-1#25391#25392
20M → 21M1458-44#25392#25436
21M → 35K861-53#25436#25489
35K → 23M1930-11#25489#25500
23M → 24M1412+2#25500#25498
24M → 40K960-51#25498#25549
40K → 25.2M331-28#25549#25577
25.2M → Finish366+30#25577#25547
TOTALS1145695+450
📊

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