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BOSTON MARATHON 2023

Matt Desrosiers

Bib: 5650•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 23%
Gender (Male)
#0 / 15176
Top 35%
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
21:14
Rank: #5004
Start → 5K
21:14 | 6:50/mi
10K· 6.21 mi
42:01
Rank: #4615 (+389)
5K → 10K
20:47 | 6:41/mi
15K· 9.32 mi
1:03:20
Rank: #4959 (-344)
10K → 15K
21:19 | 6:52/mi
20K· 12.43 mi
1:24:50
Rank: #5096 (-137)
15K → 20K
21:30 | 6:55/mi
Half· 13.11 mi
1:29:28
Rank: #5111 (-15)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:46:24
Rank: #5190 (-79)
Half → 25K
16:56 | 6:59/mi
30K· 18.64 mi
2:08:43
Rank: #5225 (-35)
25K → 30K
22:19 | 7:11/mi
20M
2:18:46
Rank: #5283 (-58)
30K → 20M
10:03 | 7:24/mi
21M
2:26:49
Rank: #5357 (-74)
20M → 21M
8:03 | 8:03/mi
35K· 21.75 mi
2:32:22
Rank: #5425 (-68)
21M → 35K
5:33 | 7:25/mi
23M
2:42:04
Rank: #5510 (-85)
35K → 23M
9:42 | 7:45/mi
24M
2:50:04
Rank: #5644 (-134)
23M → 24M
8:00 | 8:00/mi
40K· 24.85 mi
2:56:49
Rank: #5724 (-80)
24M → 40K
6:45 | 7:54/mi
25.2M
2:59:59
Rank: #5805 (-81)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:08:16
Rank: #6001 (-196)
25.2M → Finish
8:17 | 8:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:28
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:38:48
Pace7:32 /mi
📊Positive Split: 10.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:1421:146:5021:14
6:50
-
10K
6.21 mi10:45:0142:016:4620:47
6:41
-0:09
15K
9.32 mi11:06:201:03:206:4821:19
6:52
+0:11
20K
12.43 mi11:27:501:24:506:5021:30
6:55
+0:03
Half
13.11 mi11:32:281:29:286:494:38
6:47
-0:08
25K
15.53 mi11:49:241:46:246:5116:56
6:59
+0:12
30K
18.64 mi12:11:432:08:436:5422:19
7:11
+0:12
20M
20.00 mi12:21:462:18:466:5610:03
7:24
+0:13
21M
21.00 mi12:29:492:26:496:598:03
8:03
+0:39
35K
21.75 mi12:35:222:32:227:005:33
7:25
-0:38
23M
23.00 mi12:45:042:42:047:039:42
7:45
+0:20
24M
24.00 mi12:53:042:50:047:058:00
8:00
+0:15
40K
24.85 mi12:59:492:56:497:076:45
7:54
-0:06
25.2M
25.20 mi13:02:592:59:597:093:10
9:11
+1:17
Finish
26.22 mi13:11:163:08:167:118:17
8:08
-1:03

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

6:41 /mi

Average Pace

7:11 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:24

57% of race

Time at Steady Pace

37:55

20% of race

Time at Slower Pace

43:57

23% of race

Average Pace: 7:11 /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 mi10:24:1421:146:5021:14
6:50
#5004
10K
6.21 mi10:45:0142:016:4620:47
6:41
#4615
15K
9.32 mi11:06:201:03:206:4821:19
6:52
#4959
20K
12.43 mi11:27:501:24:506:5021:30
6:55
#5096
Half
13.11 mi11:32:281:29:286:494:38
6:47
#5111
25K
15.53 mi11:49:241:46:246:5116:56
6:59
#5190
30K
18.64 mi12:11:432:08:436:5422:19
7:11
#5225
20M
20.00 mi12:21:462:18:466:5610:03
7:24
#5283
21M
21.00 mi12:29:492:26:496:598:03
8:03
#5357
35K
21.75 mi12:35:222:32:227:005:33
7:25
#5425
23M
23.00 mi12:45:042:42:047:039:42
7:45
#5510
24M
24.00 mi12:53:042:50:047:058:00
8:00
#5644
40K
24.85 mi12:59:492:56:497:076:45
7:54
#5724
25.2M
25.20 mi13:02:592:59:597:093:10
9:11
#5805
Finish
26.22 mi13:11:163:08:167:118:17
8:08
#6001
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5004464646465668(Top 21%)5205(Top 34%)5205(Top 98%)
10K6.21 mi3.10 mi4615+3894309+3374309+3374246(Top 16%)3979(Top 26%)3979(Top 75%)
15K9.32 mi3.11 mi4959-3444606-2974606-2975668(Top 21%)5205(Top 34%)5205(Top 98%)
20K12.43 mi3.11 mi5096-1374729-1234729-1235478(Top 21%)5049(Top 33%)5049(Top 96%)
Half13.11 mi0.68 mi5111-154742-134742-135223(Top 20%)4833(Top 32%)4833(Top 91%)
25K15.53 mi2.42 mi5190-794810-684810-685495(Top 21%)5060(Top 33%)5060(Top 96%)
30K18.64 mi3.11 mi5225-354835-254835-255396(Top 20%)4918(Top 32%)4918(Top 93%)
20M20.00 mi1.36 mi5283-584878-434878-436155(Top 23%)5407(Top 36%)5407(Top 102%)
21M21.00 mi1.00 mi5357-744929-514929-517623(Top 29%)6249(Top 41%)6249(Top 118%)
35K21.75 mi0.75 mi5425-684981-524981-527865(Top 30%)6400(Top 42%)6400(Top 121%)
23M23.00 mi1.25 mi5510-855045-645045-648007(Top 30%)6406(Top 42%)6406(Top 121%)
24M24.00 mi1.00 mi5644-1345140-955140-9511185(Top 42%)7969(Top 53%)7969(Top 151%)
40K24.85 mi0.85 mi5724-805187-475187-479256(Top 35%)6942(Top 46%)6942(Top 131%)
25.2M25.20 mi0.35 mi5805-815245-585245-5813430(Top 50%)8923(Top 59%)8923(Top 169%)
Finish26.22 mi1.02 mi6001-1965383-1385383-13812926(Top 49%)8723(Top 57%)8723(Top 165%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5668

Males

5205

M18-39

5205

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4246

Males

3979

M18-39

3979

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5668

Males

5205

M18-39

5205

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5478

Males

5049

M18-39

5049

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5223

Males

4833

M18-39

4833

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5495

Males

5060

M18-39

5060

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5396

Males

4918

M18-39

4918

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6155

Males

5407

M18-39

5407

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7623

Males

6249

M18-39

6249

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

7865

Males

6400

M18-39

6400

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

8007

Males

6406

M18-39

6406

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

11185

Males

7969

M18-39

7969

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9256

Males

6942

M18-39

6942

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13430

Males

8923

M18-39

8923

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

12926

Males

8723

M18-39

8723

Passing Analysis

Category:
Athletes Passed
981
Passed By
1978
Net Change
-997
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5004
5K → 10K45768+389#5004#4615
10K → 15K39383-344#4615#4959
15K → 20K69206-137#4959#5096
20K → Half1530-15#5096#5111
Half → 25K73152-79#5111#5190
25K → 30K125160-35#5190#5225
30K → 20M43101-58#5225#5283
20M → 21M36110-74#5283#5357
21M → 35K1583-68#5357#5425
35K → 23M44129-85#5425#5510
23M → 24M20154-134#5510#5644
24M → 40K21101-80#5644#5724
40K → 25.2M990-81#5724#5805
25.2M → Finish15211-196#5805#6001
TOTALS9811978-997
📊

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