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BOSTON MARATHON 2023

Bruno Desrosiers

Bib: 13528•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 34%
Gender (Male)
#0 / 15176
Top 49%
Masters (Masters Men)
#0 / 9891
Top 37%
Division (M55-59)
#0 / 1422
Top 18%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:16
Rank: #9526
Start → 5K
23:16 | 7:29/mi
10K· 6.21 mi
46:20
Rank: #9623 (-97)
5K → 10K
23:04 | 7:25/mi
15K· 9.32 mi
1:09:27
Rank: #9619 (+4)
10K → 15K
23:07 | 7:26/mi
20K· 12.43 mi
1:32:46
Rank: #9529 (+90)
15K → 20K
23:19 | 7:30/mi
Half· 13.11 mi
1:37:52
Rank: #9546 (-17)
20K → Half
5:06 | 7:29/mi
25K· 15.53 mi
1:56:23
Rank: #9572 (-26)
Half → 25K
18:31 | 7:38/mi
30K· 18.64 mi
2:20:41
Rank: #9556 (+16)
25K → 30K
24:18 | 7:49/mi
20M
2:31:15
Rank: #9466 (+90)
30K → 20M
10:34 | 7:47/mi
21M
2:39:15
Rank: #9285 (+181)
20M → 21M
8:00 | 8:00/mi
35K· 21.75 mi
2:44:50
Rank: #9234 (+51)
21M → 35K
5:35 | 7:28/mi
23M
2:54:35
Rank: #9158 (+76)
35K → 23M
9:45 | 7:47/mi
24M
3:02:17
Rank: #9130 (+28)
23M → 24M
7:42 | 7:42/mi
40K· 24.85 mi
3:09:03
Rank: #9108 (+22)
24M → 40K
6:46 | 7:55/mi
25.2M
3:11:54
Rank: #9086 (+22)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:19:33
Rank: #9068 (+18)
25.2M → Finish
7:39 | 7:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:52
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time1:41:41
Pace7:45 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2623:167:2923:16
7:29
-
10K
6.21 mi11:14:3046:207:2723:04
7:25
-0:04
15K
9.32 mi11:37:371:09:277:2723:07
7:26
+0:01
20K
12.43 mi12:00:561:32:467:2823:19
7:30
+0:04
Half
13.11 mi12:06:021:37:527:285:06
7:29
-0:01
25K
15.53 mi12:24:331:56:237:3018:31
7:38
+0:09
30K
18.64 mi12:48:512:20:417:3324:18
7:49
+0:11
20M
20.00 mi12:59:252:31:157:3410:34
7:47
-0:02
21M
21.00 mi13:07:252:39:157:358:00
8:00
+0:13
35K
21.75 mi13:13:002:44:507:355:35
7:28
-0:32
23M
23.00 mi13:22:452:54:357:359:45
7:47
+0:19
24M
24.00 mi13:30:273:02:177:367:42
7:42
-0:05
40K
24.85 mi13:37:133:09:037:366:46
7:55
+0:13
25.2M
25.20 mi13:40:043:11:547:372:51
8:16
+0:21
Finish
26.22 mi13:47:433:19:337:377:39
7:30
-0:46

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

7:25 /mi

Average Pace

7:37 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:42

99% of race

Time at Steady Pace

2:51

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:37 /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 mi10:51:2623:167:2923:16
7:29
#9526
10K
6.21 mi11:14:3046:207:2723:04
7:25
#9623
15K
9.32 mi11:37:371:09:277:2723:07
7:26
#9619
20K
12.43 mi12:00:561:32:467:2823:19
7:30
#9529
Half
13.11 mi12:06:021:37:527:285:06
7:29
#9546
25K
15.53 mi12:24:331:56:237:3018:31
7:38
#9572
30K
18.64 mi12:48:512:20:417:3324:18
7:49
#9556
20M
20.00 mi12:59:252:31:157:3410:34
7:47
#9466
21M
21.00 mi13:07:252:39:157:358:00
8:00
#9285
35K
21.75 mi13:13:002:44:507:355:35
7:28
#9234
23M
23.00 mi13:22:452:54:357:359:45
7:47
#9158
24M
24.00 mi13:30:273:02:177:367:42
7:42
#9130
40K
24.85 mi13:37:133:09:037:366:46
7:55
#9108
25.2M
25.20 mi13:40:043:11:547:372:51
8:16
#9086
Finish
26.22 mi13:47:433:19:337:377:39
7:30
#9068
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi9526788778879679(Top 36%)7965(Top 52%)7965(Top 560%)
10K6.21 mi3.10 mi9623-977941-547941-549835(Top 37%)8076(Top 53%)8076(Top 568%)
15K9.32 mi3.11 mi9619+47937+47937+49679(Top 36%)7965(Top 52%)7965(Top 560%)
20K12.43 mi3.11 mi9529+907874+637874+639333(Top 35%)7703(Top 51%)7703(Top 542%)
Half13.11 mi0.68 mi9546-177890-167890-169956(Top 37%)8066(Top 53%)8066(Top 567%)
25K15.53 mi2.42 mi9572-267881+97881+99816(Top 37%)7878(Top 52%)7878(Top 554%)
30K18.64 mi3.11 mi9556+167840+417840+419512(Top 36%)7566(Top 50%)7566(Top 532%)
20M20.00 mi1.36 mi9466+907761+797761+798669(Top 33%)7002(Top 46%)7002(Top 492%)
21M21.00 mi1.00 mi9285+1817622+1397622+1397348(Top 28%)6093(Top 40%)6093(Top 428%)
35K21.75 mi0.75 mi9234+517579+437579+438250(Top 31%)6651(Top 44%)6651(Top 468%)
23M23.00 mi1.25 mi9158+767507+727507+728321(Top 31%)6596(Top 43%)6596(Top 464%)
24M24.00 mi1.00 mi9130+287470+377470+379067(Top 34%)6923(Top 46%)6923(Top 487%)
40K24.85 mi0.85 mi9108+227437+337437+339405(Top 35%)7032(Top 46%)7032(Top 495%)
25.2M25.20 mi0.35 mi9086+227417+207417+208048(Top 30%)6208(Top 41%)6208(Top 437%)
Finish26.22 mi1.02 mi9068+187379+387379+388586(Top 32%)6516(Top 43%)6516(Top 458%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9679

Males

7965

M55-59

7965

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

9835

Males

8076

M55-59

8076

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9679

Males

7965

M55-59

7965

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

9333

Males

7703

M55-59

7703

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

9956

Males

8066

M55-59

8066

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

9816

Males

7878

M55-59

7878

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

9512

Males

7566

M55-59

7566

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

8669

Males

7002

M55-59

7002

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7348

Males

6093

M55-59

6093

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8250

Males

6651

M55-59

6651

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8321

Males

6596

M55-59

6596

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9067

Males

6923

M55-59

6923

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9405

Males

7032

M55-59

7032

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8048

Males

6208

M55-59

6208

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

8586

Males

6516

M55-59

6516

Passing Analysis

Category:
Athletes Passed
1671*
Passed By
1213
Net Change
+458
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9526
5K → 10K248345-97#9526#9623
10K → 15K170166+4#9623#9619
15K → 20K18292+90#9619#9529
20K → Half1835-17#9529#9546
Half → 25K113139-26#9546#9572
25K → 30K188*172+16#9572#9556
30K → 20M12737+90#9556#9466
20M → 21M19110+181#9466#9285
21M → 35K7221+51#9285#9234
35K → 23M11842+76#9234#9158
23M → 24M7244+28#9158#9130
24M → 40K6240+22#9130#9108
40K → 25.2M3311+22#9108#9086
25.2M → Finish7759+18#9086#9068
TOTALS1671*1213+458

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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