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BOSTON MARATHON 2023

Joel Alfano

Bib: 6544•M

MN

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 27%
Gender (Male)
#0 / 15176
Top 41%
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
22:12
Rank: #7166
Start → 5K
22:12 | 7:09/mi
10K· 6.21 mi
44:21
Rank: #7355 (-189)
5K → 10K
22:09 | 7:08/mi
15K· 9.32 mi
1:06:26
Rank: #7283 (+72)
10K → 15K
22:05 | 7:06/mi
20K· 12.43 mi
1:29:32
Rank: #7584 (-301)
15K → 20K
23:06 | 7:26/mi
Half· 13.11 mi
1:34:26
Rank: #7573 (+11)
20K → Half
4:54 | 7:11/mi
25K· 15.53 mi
1:52:05
Rank: #7480 (+93)
Half → 25K
17:39 | 7:17/mi
30K· 18.64 mi
2:15:18
Rank: #7349 (+131)
25K → 30K
23:13 | 7:28/mi
20M
2:25:31
Rank: #7283 (+66)
30K → 20M
10:13 | 7:31/mi
21M
2:33:25
Rank: #7225 (+58)
20M → 21M
7:54 | 7:54/mi
35K· 21.75 mi
2:39:14
Rank: #7322 (-97)
21M → 35K
5:49 | 7:46/mi
23M
2:48:51
Rank: #7297 (+25)
35K → 23M
9:37 | 7:41/mi
24M
2:56:27
Rank: #7288 (+9)
23M → 24M
7:36 | 7:36/mi
40K· 24.85 mi
3:03:03
Rank: #7296 (-8)
24M → 40K
6:36 | 7:43/mi
25.2M
3:05:51
Rank: #7285 (+11)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:13:32
Rank: #7305 (-20)
25.2M → Finish
7:41 | 7:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:26
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:39:06
Pace7:34 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:0222:127:0922:12
7:09
-
10K
6.21 mi10:48:1144:217:0822:09
7:08
-0:01
15K
9.32 mi11:10:161:06:267:0822:05
7:06
-0:02
20K
12.43 mi11:33:221:29:327:1223:06
7:26
+0:20
Half
13.11 mi11:38:161:34:267:124:54
7:11
-0:15
25K
15.53 mi11:55:551:52:057:1317:39
7:17
+0:06
30K
18.64 mi12:19:082:15:187:1523:13
7:28
+0:11
20M
20.00 mi12:29:212:25:317:1710:13
7:31
+0:03
21M
21.00 mi12:37:152:33:257:187:54
7:54
+0:23
35K
21.75 mi12:43:042:39:147:195:49
7:46
-0:08
23M
23.00 mi12:52:412:48:517:209:37
7:41
-0:05
24M
24.00 mi13:00:172:56:277:217:36
7:36
-0:05
40K
24.85 mi13:06:533:03:037:226:36
7:43
+0:07
25.2M
25.20 mi13:09:413:05:517:232:48
8:07
+0:24
Finish
26.22 mi13:17:223:13:327:237:41
7:32
-0:35

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

7:06 /mi

Average Pace

7:23 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:02:50

94% of race

Time at Steady Pace

10:42

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:23 /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 mi10:26:0222:127:0922:12
7:09
#7166
10K
6.21 mi10:48:1144:217:0822:09
7:08
#7355
15K
9.32 mi11:10:161:06:267:0822:05
7:06
#7283
20K
12.43 mi11:33:221:29:327:1223:06
7:26
#7584
Half
13.11 mi11:38:161:34:267:124:54
7:11
#7573
25K
15.53 mi11:55:551:52:057:1317:39
7:17
#7480
30K
18.64 mi12:19:082:15:187:1523:13
7:28
#7349
20M
20.00 mi12:29:212:25:317:1710:13
7:31
#7283
21M
21.00 mi12:37:152:33:257:187:54
7:54
#7225
35K
21.75 mi12:43:042:39:147:195:49
7:46
#7322
23M
23.00 mi12:52:412:48:517:209:37
7:41
#7297
24M
24.00 mi13:00:172:56:277:217:36
7:36
#7288
40K
24.85 mi13:06:533:03:037:226:36
7:43
#7296
25.2M
25.20 mi13:09:413:05:517:232:48
8:07
#7285
Finish
26.22 mi13:17:223:13:327:237:41
7:32
#7305
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7166639563957212(Top 27%)6390(Top 42%)6390(Top 121%)
10K6.21 mi3.10 mi7355-1896522-1276522-1277639(Top 29%)6690(Top 44%)6690(Top 127%)
15K9.32 mi3.11 mi7283+726460+626460+627212(Top 27%)6390(Top 42%)6390(Top 121%)
20K12.43 mi3.11 mi7584-3016661-2016661-2018811(Top 33%)7382(Top 49%)7382(Top 140%)
Half13.11 mi0.68 mi7573+116650+116650+117825(Top 29%)6773(Top 45%)6773(Top 128%)
25K15.53 mi2.42 mi7480+936581+696581+697181(Top 27%)6269(Top 41%)6269(Top 119%)
30K18.64 mi3.11 mi7349+1316464+1176464+1177057(Top 27%)6104(Top 40%)6104(Top 115%)
20M20.00 mi1.36 mi7283+666398+666398+666950(Top 26%)5928(Top 39%)5928(Top 112%)
21M21.00 mi1.00 mi7225+586348+506348+506776(Top 25%)5715(Top 38%)5715(Top 108%)
35K21.75 mi0.75 mi7322-976387-396387-3910571(Top 40%)7888(Top 52%)7888(Top 149%)
23M23.00 mi1.25 mi7297+256351+366351+367655(Top 29%)6208(Top 41%)6208(Top 117%)
24M24.00 mi1.00 mi7288+96327+246327+248460(Top 32%)6573(Top 43%)6573(Top 124%)
40K24.85 mi0.85 mi7296-86313+146313+148168(Top 31%)6333(Top 42%)6333(Top 120%)
25.2M25.20 mi0.35 mi7285+116299+146299+147344(Top 28%)5750(Top 38%)5750(Top 109%)
Finish26.22 mi1.02 mi7305-206282+176282+178899(Top 33%)6678(Top 44%)6678(Top 126%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

7212

Males

6390

M18-39

6390

5K→10K

3.1 - 6.2 mi

Top 29%
×5stories
+79ft-138ft

Overall

7639

Males

6690

M18-39

6690

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

7212

Males

6390

M18-39

6390

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

8811

Males

7382

M18-39

7382

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

7825

Males

6773

M18-39

6773

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7181

Males

6269

M18-39

6269

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7057

Males

6104

M18-39

6104

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

6950

Males

5928

M18-39

5928

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

6776

Males

5715

M18-39

5715

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

10571

Males

7888

M18-39

7888

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

7655

Males

6208

M18-39

6208

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

8460

Males

6573

M18-39

6573

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8168

Males

6333

M18-39

6333

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7344

Males

5750

M18-39

5750

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

8899

Males

6678

M18-39

6678

Passing Analysis

Category:
Athletes Passed
1193
Passed By
1332
Net Change
-139
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7166
5K → 10K139328-189#7166#7355
10K → 15K16997+72#7355#7283
15K → 20K45346-301#7283#7584
20K → Half2918+11#7584#7573
Half → 25K12936+93#7573#7480
25K → 30K19261+131#7480#7349
30K → 20M9731+66#7349#7283
20M → 21M9133+58#7283#7225
21M → 35K20117-97#7225#7322
35K → 23M8762+25#7322#7297
23M → 24M5849+9#7297#7288
24M → 40K4856-8#7288#7296
40K → 25.2M2615+11#7296#7285
25.2M → Finish6383-20#7285#7305
TOTALS11931332-139
📊

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