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BOSTON MARATHON 2023

Eric Brisebois

Bib: 31258•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 (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
29:42
Rank: #22263
Start → 5K
29:42 | 9:34/mi
10K· 6.21 mi
57:01
Rank: #21326 (+937)
5K → 10K
27:19 | 8:48/mi
15K· 9.32 mi
1:24:22
Rank: #20798 (+528)
10K → 15K
27:21 | 8:48/mi
20K· 12.43 mi
1:51:20
Rank: #20143 (+655)
15K → 20K
26:58 | 8:41/mi
Half· 13.11 mi
1:57:10
Rank: #20064 (+79)
20K → Half
5:50 | 8:33/mi
25K· 15.53 mi
2:18:40
Rank: #19757 (+307)
Half → 25K
21:30 | 8:52/mi
30K· 18.64 mi
2:47:04
Rank: #19411 (+346)
25K → 30K
28:24 | 9:08/mi
20M
2:59:55
Rank: #19345 (+66)
30K → 20M
12:51 | 9:27/mi
21M
3:09:22
Rank: #19126 (+219)
20M → 21M
9:27 | 9:27/mi
35K· 21.75 mi
3:16:10
Rank: #19105 (+21)
21M → 35K
6:48 | 9:05/mi
23M
3:27:36
Rank: #18961 (+144)
35K → 23M
11:26 | 9:08/mi
24M
3:36:41
Rank: #18895 (+66)
23M → 24M
9:05 | 9:05/mi
40K· 24.85 mi
3:44:34
Rank: #18829 (+66)
24M → 40K
7:53 | 9:13/mi
25.2M
3:48:16
Rank: #18854 (-25)
40K → 25.2M
3:42 | 10:44/mi
Finish· 26.22 mi
3:57:53
Rank: #18926 (-72)
25.2M → Finish
9:37 | 9:26/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:10
Pace8:56 /mi
2nd Half
Distance13.11 mi
Time2:00:43
Pace9:13 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:2129:429:3429:42
9:34
-
10K
6.21 mi12:16:4057:019:1127:19
8:48
-0:46
15K
9.32 mi12:44:011:24:229:0327:21
8:48
0:00
20K
12.43 mi13:10:591:51:208:5826:58
8:41
-0:07
Half
13.11 mi13:16:491:57:108:565:50
8:33
-0:08
25K
15.53 mi13:38:192:18:408:5621:30
8:52
+0:19
30K
18.64 mi14:06:432:47:048:5828:24
9:08
+0:16
20M
20.00 mi14:19:342:59:559:0012:51
9:27
+0:19
21M
21.00 mi14:29:013:09:229:019:27
9:27
0:00
35K
21.75 mi14:35:493:16:109:016:48
9:05
-0:22
23M
23.00 mi14:47:153:27:369:0211:26
9:08
+0:03
24M
24.00 mi14:56:203:36:419:029:05
9:05
-0:03
40K
24.85 mi15:04:133:44:349:027:53
9:13
+0:08
25.2M
25.20 mi15:07:553:48:169:033:42
10:44
+1:31
Finish
26.22 mi15:17:323:57:539:059:37
9:26
-1:18

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

8:33 /mi

Average Pace

9:05 /mi

Slowest Pace

10:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:48:58

46% of race

Time at Steady Pace

1:03:36

27% of race

Time at Slower Pace

1:05:19

27% of race

Average Pace: 9:04 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:49:2129:429:3429:42
9:34
#22263
10K
6.21 mi12:16:4057:019:1127:19
8:48
#21326
15K
9.32 mi12:44:011:24:229:0327:21
8:48
#20798
20K
12.43 mi13:10:591:51:208:5826:58
8:41
#20143
Half
13.11 mi13:16:491:57:108:565:50
8:33
#20064
25K
15.53 mi13:38:192:18:408:5621:30
8:52
#19757
30K
18.64 mi14:06:432:47:048:5828:24
9:08
#19411
20M
20.00 mi14:19:342:59:559:0012:51
9:27
#19345
21M
21.00 mi14:29:013:09:229:019:27
9:27
#19126
35K
21.75 mi14:35:493:16:109:016:48
9:05
#19105
23M
23.00 mi14:47:153:27:369:0211:26
9:08
#18961
24M
24.00 mi14:56:203:36:419:029:05
9:05
#18895
40K
24.85 mi15:04:133:44:349:027:53
9:13
#18829
25.2M
25.20 mi15:07:553:48:169:033:42
10:44
#18854
Finish
26.22 mi15:17:323:57:539:059:37
9:26
#18926
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi22263132311323119521(Top 73%)12099(Top 80%)12099(Top 537%)
10K6.21 mi3.10 mi21326+93712814+41712814+41719881(Top 75%)12232(Top 81%)12232(Top 543%)
15K9.32 mi3.11 mi20798+52812601+21312601+21319521(Top 73%)12099(Top 80%)12099(Top 537%)
20K12.43 mi3.11 mi20143+65512325+27612325+27617989(Top 68%)11468(Top 76%)11468(Top 509%)
Half13.11 mi0.68 mi20064+7912289+3612289+3617976(Top 68%)11498(Top 76%)11498(Top 511%)
25K15.53 mi2.42 mi19757+30712155+13412155+13418306(Top 69%)11556(Top 76%)11556(Top 513%)
30K18.64 mi3.11 mi19411+34612015+14012015+14017883(Top 67%)11283(Top 74%)11283(Top 501%)
20M20.00 mi1.36 mi19345+6611970+4511970+4518666(Top 70%)11522(Top 76%)11522(Top 512%)
21M21.00 mi1.00 mi19126+21911868+10211868+10215773(Top 59%)10248(Top 68%)10248(Top 455%)
35K21.75 mi0.75 mi19105+2111853+1511853+1518257(Top 69%)11259(Top 74%)11259(Top 500%)
23M23.00 mi1.25 mi18961+14411777+7611777+7616692(Top 63%)10544(Top 69%)10544(Top 468%)
24M24.00 mi1.00 mi18895+6611737+4011737+4017587(Top 66%)10894(Top 72%)10894(Top 484%)
40K24.85 mi0.85 mi18829+6611699+3811699+3817170(Top 64%)10657(Top 70%)10657(Top 473%)
25.2M25.20 mi0.35 mi18854-2511707-811707-819751(Top 74%)11803(Top 78%)11803(Top 524%)
Finish26.22 mi1.02 mi18926-7211736-2911736-2919886(Top 75%)11931(Top 79%)11931(Top 530%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

19521

Males

12099

M45-49

12099

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

19881

Males

12232

M45-49

12232

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

19521

Males

12099

M45-49

12099

15K→20K

9.3 - 12.4 mi

Top 68%
×5stories
+106ft-86ft

Overall

17989

Males

11468

M45-49

11468

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

17976

Males

11498

M45-49

11498

Half→25K

13.1 - 15.5 mi

Top 69%
×4stories
+66ft-88ft

Overall

18306

Males

11556

M45-49

11556

25K→30K

15.5 - 18.6 mi

Top 67%
×9stories
+181ft-148ft

Overall

17883

Males

11283

M45-49

11283

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

18666

Males

11522

M45-49

11522

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

15773

Males

10248

M45-49

10248

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

18257

Males

11259

M45-49

11259

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

16692

Males

10544

M45-49

10544

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

17587

Males

10894

M45-49

10894

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

17170

Males

10657

M45-49

10657

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19751

Males

11803

M45-49

11803

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

19886

Males

11931

M45-49

11931

Passing Analysis

Category:
Athletes Passed
3717
Passed By
380
Net Change
+3337
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22263
5K → 10K95922+937#22263#21326
10K → 15K55830+528#21326#20798
15K → 20K6594+655#20798#20143
20K → Half845+79#20143#20064
Half → 25K32417+307#20064#19757
25K → 30K37630+346#19757#19411
30K → 20M11448+66#19411#19345
20M → 21M2212+219#19345#19126
21M → 35K4625+21#19126#19105
35K → 23M16016+144#19105#18961
23M → 24M9024+66#18961#18895
24M → 40K8822+66#18895#18829
40K → 25.2M1641-25#18829#18854
25.2M → Finish2294-72#18854#18926
TOTALS3717380+3337
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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