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BOSTON MARATHON 2023

Joseph D'Alessio

Bib: 10044•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 47%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:02
Rank: #14398
Start → 5K
25:02 | 8:03/mi
10K· 6.21 mi
49:49
Rank: #14500 (-102)
5K → 10K
24:47 | 7:59/mi
15K· 9.32 mi
1:14:15
Rank: #14102 (+398)
10K → 15K
24:26 | 7:52/mi
20K· 12.43 mi
1:38:43
Rank: #13645 (+457)
15K → 20K
24:28 | 7:53/mi
Half· 13.11 mi
1:43:52
Rank: #13496 (+149)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
2:02:34
Rank: #12955 (+541)
Half → 25K
18:42 | 7:43/mi
30K· 18.64 mi
2:27:12
Rank: #12427 (+528)
25K → 30K
24:38 | 7:56/mi
20M
2:38:08
Rank: #12262 (+165)
30K → 20M
10:56 | 8:03/mi
21M
2:47:00
Rank: #12277 (-15)
20M → 21M
8:52 | 8:52/mi
35K· 21.75 mi
2:52:48
Rank: #12194 (+83)
21M → 35K
5:48 | 7:45/mi
23M
3:03:17
Rank: #12212 (-18)
35K → 23M
10:29 | 8:22/mi
24M
3:11:33
Rank: #12248 (-36)
23M → 24M
8:16 | 8:16/mi
40K· 24.85 mi
3:18:50
Rank: #12281 (-33)
24M → 40K
7:17 | 8:31/mi
25.2M
3:22:04
Rank: #12335 (-54)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:31:11
Rank: #12597 (-262)
25.2M → Finish
9:07 | 8:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:52
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:47:19
Pace8:11 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2925:028:0325:02
8:03
-
10K
6.21 mi11:16:1649:498:0124:47
7:59
-0:04
15K
9.32 mi11:40:421:14:157:5824:26
7:52
-0:07
20K
12.43 mi12:05:101:38:437:5724:28
7:53
+0:01
Half
13.11 mi12:10:191:43:527:555:09
7:33
-0:20
25K
15.53 mi12:29:012:02:347:5318:42
7:43
+0:10
30K
18.64 mi12:53:392:27:127:5424:38
7:56
+0:13
20M
20.00 mi13:04:352:38:087:5410:56
8:03
+0:07
21M
21.00 mi13:13:272:47:007:578:52
8:52
+0:49
35K
21.75 mi13:19:152:52:487:575:48
7:45
-1:07
23M
23.00 mi13:29:443:03:177:5810:29
8:22
+0:37
24M
24.00 mi13:38:003:11:337:598:16
8:16
-0:06
40K
24.85 mi13:45:173:18:508:007:17
8:31
+0:15
25.2M
25.20 mi13:48:313:22:048:013:14
9:23
+0:52
Finish
26.22 mi13:57:383:31:118:049:07
8:57
-0:26

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

7:33 /mi

Average Pace

8:04 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

29:39

14% of race

Time at Steady Pace

2:22:33

68% of race

Time at Slower Pace

38:59

18% of race

Average Pace: 8:03 /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 mi10:51:2925:028:0325:02
8:03
#14398
10K
6.21 mi11:16:1649:498:0124:47
7:59
#14500
15K
9.32 mi11:40:421:14:157:5824:26
7:52
#14102
20K
12.43 mi12:05:101:38:437:5724:28
7:53
#13645
Half
13.11 mi12:10:191:43:527:555:09
7:33
#13496
25K
15.53 mi12:29:012:02:347:5318:42
7:43
#12955
30K
18.64 mi12:53:392:27:127:5424:38
7:56
#12427
20M
20.00 mi13:04:352:38:087:5410:56
8:03
#12262
21M
21.00 mi13:13:272:47:007:578:52
8:52
#12277
35K
21.75 mi13:19:152:52:487:575:48
7:45
#12194
23M
23.00 mi13:29:443:03:177:5810:29
8:22
#12212
24M
24.00 mi13:38:003:11:337:598:16
8:16
#12248
40K
24.85 mi13:45:173:18:508:007:17
8:31
#12281
25.2M
25.20 mi13:48:313:22:048:013:14
9:23
#12335
Finish
26.22 mi13:57:383:31:118:049:07
8:57
#12597
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi14398101111011113222(Top 50%)9585(Top 63%)9585(Top 426%)
10K6.21 mi3.10 mi14500-10210138-2710138-2714623(Top 55%)10167(Top 67%)10167(Top 451%)
15K9.32 mi3.11 mi14102+3989962+1769962+17613222(Top 50%)9585(Top 63%)9585(Top 426%)
20K12.43 mi3.11 mi13645+4579750+2129750+21212387(Top 47%)9183(Top 61%)9183(Top 408%)
Half13.11 mi0.68 mi13496+1499700+509700+5010606(Top 40%)8428(Top 56%)8428(Top 374%)
25K15.53 mi2.42 mi12955+5419461+2399461+23910388(Top 39%)8203(Top 54%)8203(Top 364%)
30K18.64 mi3.11 mi12427+5289198+2639198+26310354(Top 39%)8013(Top 53%)8013(Top 356%)
20M20.00 mi1.36 mi12262+1659108+909108+9010598(Top 40%)8054(Top 53%)8054(Top 358%)
21M21.00 mi1.00 mi12277-159098+109098+1012622(Top 47%)8860(Top 58%)8860(Top 393%)
35K21.75 mi0.75 mi12194+839036+629036+6210301(Top 39%)7794(Top 51%)7794(Top 346%)
23M23.00 mi1.25 mi12212-189023+139023+1312380(Top 47%)8636(Top 57%)8636(Top 383%)
24M24.00 mi1.00 mi12248-369015+89015+813027(Top 49%)8862(Top 58%)8862(Top 394%)
40K24.85 mi0.85 mi12281-339020-59020-513445(Top 51%)8984(Top 59%)8984(Top 399%)
25.2M25.20 mi0.35 mi12335-549029-99029-914496(Top 54%)9452(Top 62%)9452(Top 420%)
Finish26.22 mi1.02 mi12597-2629115-869115-8617670(Top 66%)10901(Top 72%)10901(Top 484%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21stories
+97ft-345ft

Overall

13222

Males

9585

M45-49

9585

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

14623

Males

10167

M45-49

10167

10K→15K

6.2 - 9.3 mi

Top 50%
×3stories
+67ft-78ft

Overall

13222

Males

9585

M45-49

9585

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

12387

Males

9183

M45-49

9183

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

10606

Males

8428

M45-49

8428

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10388

Males

8203

M45-49

8203

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

10354

Males

8013

M45-49

8013

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

10598

Males

8054

M45-49

8054

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

12622

Males

8860

M45-49

8860

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

10301

Males

7794

M45-49

7794

35K→23M

21.8 - 23.0 mi

Top 47%
×5stories
+23ft-63ft

Overall

12380

Males

8636

M45-49

8636

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

13027

Males

8862

M45-49

8862

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13445

Males

8984

M45-49

8984

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14496

Males

9452

M45-49

9452

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

17670

Males

10901

M45-49

10901

Passing Analysis

Category:
Athletes Passed
2990
Passed By
1189
Net Change
+1801
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14398
5K → 10K245347-102#14398#14500
10K → 15K45456+398#14500#14102
15K → 20K47316+457#14102#13645
20K → Half1523+149#13645#13496
Half → 25K5465+541#13496#12955
25K → 30K54618+528#12955#12427
30K → 20M18823+165#12427#12262
20M → 21M8398-15#12262#12277
21M → 35K9411+83#12277#12194
35K → 23M83101-18#12194#12212
23M → 24M4985-36#12212#12248
24M → 40K4376-33#12248#12281
40K → 25.2M1569-54#12281#12335
25.2M → Finish19281-262#12335#12597
TOTALS29901189+1801
📊

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