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BOSTON MARATHON 2023

Brian Brousseau

Bib: 27921•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:08/mi
31:29
↑ 97↓ 3451.5%
10K· 6.21 mi
9:15/mi
1:00:13
↑ 79↓ 1380.4%
15K· 9.32 mi
9:10/mi
1:28:42
↑ 67↓ 78
20K· 12.43 mi
9:29/mi
1:58:09
↑ 106↓ 860.1%
Half· 13.11 mi
9:02/mi
2:04:19
↑ 19↓ 370.5%
25K· 15.53 mi
9:16/mi
2:26:47
↑ 66↓ 880.2%
30K· 18.64 mi
9:41/mi
2:56:53
↑ 181↓ 1480.2%
20M
9:39/mi
3:10:00
↑ 64↓ 500.2%
21M
10:26/mi
3:20:26
↑ 106↓ 241.6%
35K· 21.75 mi
9:09/mi
3:27:17
↑ 17↓ 861.7%
23M
9:44/mi
3:39:28
↑ 23↓ 630.6%
24M
9:31/mi
3:48:59
↓ 821.3%
40K· 24.85 mi
9:54/mi
3:57:27
↓ 200.3%
25.2M
10:38/mi
4:01:07
↑ 13↓ 160.2%
Finish· 26.22 mi
9:37/mi
4:10:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:19
Pace9:29 /mi
2nd Half
Distance13.11 mi
Time2:06:36
Pace9:39 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:1631:2910:0831:29
10:08
-
10K
6.21 mi12:20:001:00:139:4128:44
9:15
-0:53
15K
9.32 mi12:48:291:28:429:3128:29
9:10
-0:05
20K
12.43 mi13:17:561:58:099:3029:27
9:29
+0:19
Half
13.11 mi13:24:062:04:199:296:10
9:02
-0:27
25K
15.53 mi13:46:342:26:479:2722:28
9:16
+0:14
30K
18.64 mi14:16:402:56:539:2930:06
9:41
+0:25
20M
20.00 mi14:29:473:10:009:3013:07
9:39
-0:02
21M
21.00 mi14:40:133:20:269:3310:26
10:26
+0:47
35K
21.75 mi14:47:043:27:179:326:51
9:09
-1:17
23M
23.00 mi14:59:153:39:289:3312:11
9:44
+0:35
24M
24.00 mi15:08:463:48:599:329:31
9:31
-0:13
40K
24.85 mi15:17:143:57:279:338:28
9:54
+0:23
25.2M
25.20 mi15:20:544:01:079:343:40
10:38
+0:44
Finish
26.22 mi15:30:424:10:559:359:48
9:37
-1:01

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

9:02 /mi

Average Pace

9:35 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:25:20

82% of race

Time at Steady Pace

45:35

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:34 /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 mi11:51:1631:2910:0831:29
10:08
#23774
10K
6.21 mi12:20:001:00:139:4128:44
9:15
#22876
15K
9.32 mi12:48:291:28:429:3128:29
9:10
#22372
20K
12.43 mi13:17:561:58:099:3029:27
9:29
#22133
Half
13.11 mi13:24:062:04:199:296:10
9:02
#22056
25K
15.53 mi13:46:342:26:479:2722:28
9:16
#21726
30K
18.64 mi14:16:402:56:539:2930:06
9:41
#21453
20M
20.00 mi14:29:473:10:009:3013:07
9:39
#21280
21M
21.00 mi14:40:133:20:269:3310:26
10:26
#21180
35K
21.75 mi14:47:043:27:179:326:51
9:09
#21080
23M
23.00 mi14:59:153:39:289:3312:11
9:44
#20932
24M
24.00 mi15:08:463:48:599:329:31
9:31
#20849
40K
24.85 mi15:17:143:57:279:338:28
9:54
#20810
25.2M
25.20 mi15:20:544:01:079:343:40
10:38
#20779
Finish
26.22 mi15:30:424:10:559:359:48
9:37
#20758
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi23774139721397221200(Top 80%)12837(Top 85%)12837(Top 626%)
10K6.21 mi3.10 mi22876+89813561+41113561+41121785(Top 82%)13053(Top 86%)13053(Top 636%)
15K9.32 mi3.11 mi22372+50413321+24013321+24021200(Top 80%)12837(Top 85%)12837(Top 626%)
20K12.43 mi3.11 mi22133+23913208+11313208+11321493(Top 81%)12948(Top 85%)12948(Top 631%)
Half13.11 mi0.68 mi22056+7713174+3413174+3420644(Top 78%)12567(Top 83%)12567(Top 612%)
25K15.53 mi2.42 mi21726+33013036+13813036+13820091(Top 75%)12322(Top 81%)12322(Top 600%)
30K18.64 mi3.11 mi21453+27312900+13612900+13620116(Top 76%)12257(Top 81%)12257(Top 597%)
20M20.00 mi1.36 mi21280+17312801+9912801+9919427(Top 73%)11866(Top 78%)11866(Top 578%)
21M21.00 mi1.00 mi21180+10012746+5512746+5519412(Top 73%)11796(Top 78%)11796(Top 575%)
35K21.75 mi0.75 mi21080+10012688+5812688+5818618(Top 70%)11411(Top 75%)11411(Top 556%)
23M23.00 mi1.25 mi20932+14812609+7912609+7919215(Top 72%)11657(Top 77%)11657(Top 568%)
24M24.00 mi1.00 mi20849+8312569+4012569+4019299(Top 72%)11654(Top 77%)11654(Top 568%)
40K24.85 mi0.85 mi20810+3912543+2612543+2619733(Top 74%)11793(Top 78%)11793(Top 575%)
25.2M25.20 mi0.35 mi20779+3112525+1812525+1819587(Top 74%)11714(Top 77%)11714(Top 571%)
Finish26.22 mi1.02 mi20758+2112504+2112504+2120571(Top 77%)12212(Top 80%)12212(Top 595%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

21200

Males

12837

M50-54

12837

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

21785

Males

13053

M50-54

13053

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

21200

Males

12837

M50-54

12837

15K→20K

9.3 - 12.4 mi

Top 81%
×5story building
+106ft-86ft

Overall

21493

Males

12948

M50-54

12948

20K→Half

12.4 - 13.1 mi

Top 78%
×2story building
+19ft-37ft

Overall

20644

Males

12567

M50-54

12567

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

20091

Males

12322

M50-54

12322

25K→30K

15.5 - 18.6 mi

Top 76%
×9story building
+181ft-148ft

Overall

20116

Males

12257

M50-54

12257

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

19427

Males

11866

M50-54

11866

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

19412

Males

11796

M50-54

11796

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

18618

Males

11411

M50-54

11411

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

19215

Males

11657

M50-54

11657

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

19299

Males

11654

M50-54

11654

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

19733

Males

11793

M50-54

11793

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19587

Males

11714

M50-54

11714

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

20571

Males

12212

M50-54

12212

Passing Analysis

Category:
Athletes Passed
3209
Passed By
193
Net Change
+3016
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23774
5K → 10K91416+898#23774#22876
10K → 15K51915+504#22876#22372
15K → 20K27435+239#22372#22133
20K → Half825+77#22133#22056
Half → 25K3355+330#22056#21726
25K → 30K28815+273#21726#21453
30K → 20M1818+173#21453#21280
20M → 21M12121+100#21280#21180
21M → 35K1044+100#21180#21080
35K → 23M1579+148#21080#20932
23M → 24M9815+83#20932#20849
24M → 40K6021+39#20849#20810
40K → 25.2M332+31#20810#20779
25.2M → Finish4322+21#20779#20758
TOTALS3209193+3016
📊

Passing Visuals

Category:
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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