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BOSTON MARATHON 2023

Matthew Loschiavo

Bib: 8893•M

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 13%
Gender (Male)
#0 / 15176
Top 22%
Masters (Masters Men)
#0 / 9891
Top 9%
Division (M40-44)
#0 / 2241
Top 24%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:39
Rank: #6041
Start → 5K
21:39 | 6:58/mi
10K· 6.21 mi
42:16
Rank: #4973 (+1068)
5K → 10K
20:37 | 6:38/mi
15K· 9.32 mi
1:03:01
Rank: #4610 (+363)
10K → 15K
20:45 | 6:41/mi
20K· 12.43 mi
1:24:04
Rank: #4492 (+118)
15K → 20K
21:03 | 6:47/mi
Half· 13.11 mi
1:28:36
Rank: #4443 (+49)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:44:46
Rank: #4163 (+280)
Half → 25K
16:10 | 6:40/mi
30K· 18.64 mi
2:06:09
Rank: #4010 (+153)
25K → 30K
21:23 | 6:53/mi
20M
2:15:34
Rank: #3954 (+56)
30K → 20M
9:25 | 6:56/mi
21M
2:22:54
Rank: #3906 (+48)
20M → 21M
7:20 | 7:20/mi
35K· 21.75 mi
2:27:50
Rank: #3853 (+53)
21M → 35K
4:56 | 6:36/mi
23M
2:36:21
Rank: #3726 (+127)
35K → 23M
8:31 | 6:48/mi
24M
2:43:04
Rank: #3670 (+56)
23M → 24M
6:43 | 6:43/mi
40K· 24.85 mi
2:48:52
Rank: #3597 (+73)
24M → 40K
5:48 | 6:47/mi
25.2M
2:51:22
Rank: #3571 (+26)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
2:58:08
Rank: #3530 (+41)
25.2M → Finish
6:46 | 6:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:36
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:29:32
Pace6:50 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:0821:396:5821:39
6:58
-
10K
6.21 mi11:08:4542:166:4820:37
6:38
-0:20
15K
9.32 mi11:29:301:03:016:4620:45
6:41
+0:03
20K
12.43 mi11:50:331:24:046:4621:03
6:47
+0:06
Half
13.11 mi11:55:051:28:366:464:32
6:39
-0:08
25K
15.53 mi12:11:151:44:466:4516:10
6:40
+0:01
30K
18.64 mi12:32:382:06:096:4621:23
6:53
+0:13
20M
20.00 mi12:42:032:15:346:479:25
6:56
+0:03
21M
21.00 mi12:49:232:22:546:487:20
7:20
+0:24
35K
21.75 mi12:54:192:27:506:484:56
6:36
-0:44
23M
23.00 mi13:02:502:36:216:488:31
6:48
+0:12
24M
24.00 mi13:09:332:43:046:486:43
6:43
-0:05
40K
24.85 mi13:15:212:48:526:485:48
6:47
+0:04
25.2M
25.20 mi13:17:512:51:226:482:30
7:15
+0:28
Finish
26.22 mi13:24:372:58:086:486:46
6:38
-0:37

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

6:48 /mi

Slowest Pace

7:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:48

96% of race

Time at Steady Pace

7:20

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:48 /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 mi10:48:0821:396:5821:39
6:58
#6041
10K
6.21 mi11:08:4542:166:4820:37
6:38
#4973
15K
9.32 mi11:29:301:03:016:4620:45
6:41
#4610
20K
12.43 mi11:50:331:24:046:4621:03
6:47
#4492
Half
13.11 mi11:55:051:28:366:464:32
6:39
#4443
25K
15.53 mi12:11:151:44:466:4516:10
6:40
#4163
30K
18.64 mi12:32:382:06:096:4621:23
6:53
#4010
20M
20.00 mi12:42:032:15:346:479:25
6:56
#3954
21M
21.00 mi12:49:232:22:546:487:20
7:20
#3906
35K
21.75 mi12:54:192:27:506:484:56
6:36
#3853
23M
23.00 mi13:02:502:36:216:488:31
6:48
#3726
24M
24.00 mi13:09:332:43:046:486:43
6:43
#3670
40K
24.85 mi13:15:212:48:526:485:48
6:47
#3597
25.2M
25.20 mi13:17:512:51:226:482:30
7:15
#3571
Finish
26.22 mi13:24:372:58:086:486:46
6:38
#3530
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6041551855183922(Top 15%)3686(Top 24%)3686(Top 164%)
10K6.21 mi3.10 mi4973+10684612+9064612+9063763(Top 14%)3550(Top 23%)3550(Top 158%)
15K9.32 mi3.11 mi4610+3634302+3104302+3103922(Top 15%)3686(Top 24%)3686(Top 164%)
20K12.43 mi3.11 mi4492+1184197+1054197+1054205(Top 16%)3936(Top 26%)3936(Top 176%)
Half13.11 mi0.68 mi4443+494157+404157+403779(Top 14%)3563(Top 23%)3563(Top 159%)
25K15.53 mi2.42 mi4163+2803902+2553902+2553131(Top 12%)2986(Top 20%)2986(Top 133%)
30K18.64 mi3.11 mi4010+1533774+1283774+1283536(Top 13%)3320(Top 22%)3320(Top 148%)
20M20.00 mi1.36 mi3954+563719+553719+553586(Top 13%)3345(Top 22%)3345(Top 149%)
21M21.00 mi1.00 mi3906+483675+443675+443770(Top 14%)3493(Top 23%)3493(Top 156%)
35K21.75 mi0.75 mi3853+533625+503625+502984(Top 11%)2795(Top 18%)2795(Top 125%)
23M23.00 mi1.25 mi3726+1273510+1153510+1152684(Top 10%)2517(Top 17%)2517(Top 112%)
24M24.00 mi1.00 mi3670+563460+503460+503200(Top 12%)2966(Top 20%)2966(Top 132%)
40K24.85 mi0.85 mi3597+733389+713389+712759(Top 10%)2545(Top 17%)2545(Top 114%)
25.2M25.20 mi0.35 mi3571+263367+223367+222728(Top 10%)2514(Top 17%)2514(Top 112%)
Finish26.22 mi1.02 mi3530+413324+433324+433194(Top 12%)2871(Top 19%)2871(Top 128%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

3922

Males

3686

M40-44

3686

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3763

Males

3550

M40-44

3550

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

3922

Males

3686

M40-44

3686

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4205

Males

3936

M40-44

3936

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3779

Males

3563

M40-44

3563

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3131

Males

2986

M40-44

2986

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3536

Males

3320

M40-44

3320

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3586

Males

3345

M40-44

3345

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3770

Males

3493

M40-44

3493

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

2984

Males

2795

M40-44

2795

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2684

Males

2517

M40-44

2517

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3200

Males

2966

M40-44

2966

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2759

Males

2545

M40-44

2545

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2728

Males

2514

M40-44

2514

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3194

Males

2871

M40-44

2871

Passing Analysis

Category:
Athletes Passed
2820
Passed By
309
Net Change
+2511
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6041
5K → 10K108012+1068#6041#4973
10K → 15K37613+363#4973#4610
15K → 20K16951+118#4610#4492
20K → Half578+49#4492#4443
Half → 25K2855+280#4443#4163
25K → 30K19744+153#4163#4010
30K → 20M8226+56#4010#3954
20M → 21M9345+48#3954#3906
21M → 35K6613+53#3906#3853
35K → 23M1369+127#3853#3726
23M → 24M8226+56#3726#3670
24M → 40K8512+73#3670#3597
40K → 25.2M348+26#3597#3571
25.2M → Finish7837+41#3571#3530
TOTALS2820309+2511
📊

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