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BOSTON MARATHON 2023

Luc Brière

Bib: 17450•M

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 28%
Gender (Male)
#0 / 15176
Top 42%
Masters (Masters Men)
#0 / 9891
Top 29%
Division (M55-59)
#0 / 1422
Top 11%
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
7:37/mi
23:40
↑ 97↓ 3451.5%
10K· 6.21 mi
7:26/mi
46:47
↑ 79↓ 1380.4%
15K· 9.32 mi
7:27/mi
1:09:57
↑ 67↓ 78
20K· 12.43 mi
7:22/mi
1:32:49
↑ 106↓ 860.1%
Half· 13.11 mi
7:18/mi
1:37:48
↑ 19↓ 370.5%
25K· 15.53 mi
7:30/mi
1:55:59
↑ 66↓ 880.2%
30K· 18.64 mi
7:27/mi
2:19:09
↑ 181↓ 1480.2%
20M
7:05/mi
2:28:47
↑ 64↓ 500.2%
21M
7:27/mi
2:36:14
↑ 106↓ 241.6%
35K· 21.75 mi
7:09/mi
2:41:35
↑ 17↓ 861.7%
23M
7:16/mi
2:50:41
↑ 23↓ 630.6%
24M
7:29/mi
2:58:10
↓ 821.3%
40K· 24.85 mi
7:28/mi
3:04:33
↓ 200.3%
25.2M
7:44/mi
3:07:13
↑ 13↓ 160.2%
Finish· 26.22 mi
6:52/mi
3:14:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:37:48
Pace7:28 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:36:25
Pace7:21 /mi
📊Negative Split: 1.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:0723:407:3723:40
7:37
-
10K
6.21 mi11:37:1446:477:3223:07
7:26
-0:11
15K
9.32 mi12:00:241:09:577:3023:10
7:27
+0:01
20K
12.43 mi12:23:161:32:497:2822:52
7:22
-0:05
Half
13.11 mi12:28:151:37:487:284:59
7:18
-0:04
25K
15.53 mi12:46:261:55:597:2818:11
7:30
+0:12
30K
18.64 mi13:09:362:19:097:2823:10
7:27
-0:03
20M
20.00 mi13:19:142:28:477:269:38
7:05
-0:22
21M
21.00 mi13:26:412:36:147:267:27
7:27
+0:22
35K
21.75 mi13:32:022:41:357:265:21
7:09
-0:18
23M
23.00 mi13:41:082:50:417:259:06
7:16
+0:07
24M
24.00 mi13:48:372:58:107:257:29
7:29
+0:13
40K
24.85 mi13:55:003:04:337:266:23
7:28
-0:01
25.2M
25.20 mi13:57:403:07:137:262:40
7:44
+0:16
Finish
26.22 mi14:04:403:14:137:257:00
6:52
-0:52

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

6:52 /mi

Average Pace

7:25 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:53

86% of race

Time at Steady Pace

26:20

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:24 /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 mi11:14:0723:407:3723:40
7:37
#10671
10K
6.21 mi11:37:1446:477:3223:07
7:26
#10288
15K
9.32 mi12:00:241:09:577:3023:10
7:27
#10101
20K
12.43 mi12:23:161:32:497:2822:52
7:22
#9552
Half
13.11 mi12:28:151:37:487:284:59
7:18
#9508
25K
15.53 mi12:46:261:55:597:2818:11
7:30
#9358
30K
18.64 mi13:09:362:19:097:2823:10
7:27
#8866
20M
20.00 mi13:19:142:28:477:269:38
7:05
#8470
21M
21.00 mi13:26:412:36:147:267:27
7:27
#8186
35K
21.75 mi13:32:022:41:357:265:21
7:09
#8096
23M
23.00 mi13:41:082:50:417:259:06
7:16
#7849
24M
24.00 mi13:48:372:58:107:257:29
7:29
#7814
40K
24.85 mi13:55:003:04:337:266:23
7:28
#7748
25.2M
25.20 mi13:57:403:07:137:262:40
7:44
#7680
Finish
26.22 mi14:04:403:14:137:257:00
6:52
#7514
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi10671848384839800(Top 37%)8029(Top 53%)8029(Top 565%)
10K6.21 mi3.10 mi10288+3838304+1798304+1799956(Top 37%)8140(Top 54%)8140(Top 572%)
15K9.32 mi3.11 mi10101+1878223+818223+819800(Top 37%)8029(Top 53%)8029(Top 565%)
20K12.43 mi3.11 mi9552+5497888+3357888+3358204(Top 31%)7017(Top 46%)7017(Top 493%)
Half13.11 mi0.68 mi9508+447862+267862+268571(Top 32%)7235(Top 48%)7235(Top 509%)
25K15.53 mi2.42 mi9358+1507758+1047758+1048766(Top 33%)7291(Top 48%)7291(Top 513%)
30K18.64 mi3.11 mi8866+4927422+3367422+3366939(Top 26%)6023(Top 40%)6023(Top 424%)
20M20.00 mi1.36 mi8470+3967149+2737149+2734581(Top 17%)4206(Top 28%)4206(Top 296%)
21M21.00 mi1.00 mi8186+2846952+1976952+1974365(Top 16%)3991(Top 26%)3991(Top 281%)
35K21.75 mi0.75 mi8096+906884+686884+686225(Top 23%)5397(Top 36%)5397(Top 380%)
23M23.00 mi1.25 mi7849+2476709+1756709+1755156(Top 19%)4583(Top 30%)4583(Top 322%)
24M24.00 mi1.00 mi7814+356666+436666+437569(Top 28%)6048(Top 40%)6048(Top 425%)
40K24.85 mi0.85 mi7748+666612+546612+546488(Top 24%)5334(Top 35%)5334(Top 375%)
25.2M25.20 mi0.35 mi7680+686557+556557+555061(Top 19%)4338(Top 29%)4338(Top 305%)
Finish26.22 mi1.02 mi7514+1666426+1316426+1314463(Top 17%)3896(Top 26%)3896(Top 274%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9800

Males

8029

M55-59

8029

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

9956

Males

8140

M55-59

8140

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9800

Males

8029

M55-59

8029

15K→20K

9.3 - 12.4 mi

Top 31%
×5story building
+106ft-86ft

Overall

8204

Males

7017

M55-59

7017

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

8571

Males

7235

M55-59

7235

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

8766

Males

7291

M55-59

7291

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

6939

Males

6023

M55-59

6023

30K→20M

18.6 - 20.0 mi

Top 17%
×5story building
+64ft-50ft

Overall

4581

Males

4206

M55-59

4206

20M→21M

20.0 - 21.0 mi

Top 16%
×8story building
+106ft-24ft

Overall

4365

Males

3991

M55-59

3991

21M→35K

21.0 - 21.8 mi

Top 23%
×7story building
+17ft-86ft

Overall

6225

Males

5397

M55-59

5397

35K→23M

21.8 - 23.0 mi

Top 19%
×5story building
+23ft-63ft

Overall

5156

Males

4583

M55-59

4583

23M→24M

23.0 - 24.0 mi

Top 28%
×6story building
+12ft-82ft

Overall

7569

Males

6048

M55-59

6048

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6488

Males

5334

M55-59

5334

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5061

Males

4338

M55-59

4338

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4463

Males

3896

M55-59

3896

Passing Analysis

Category:
Athletes Passed
3556*
Passed By
399
Net Change
+3157
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10671
5K → 10K532*149+383#10671#10288
10K → 15K27689+187#10288#10101
15K → 20K557*8+549#10101#9552
20K → Half528+44#9552#9508
Half → 25K19444+150#9508#9358
25K → 30K504*12+492#9358#8866
30K → 20M3960+396#8866#8470
20M → 21M2840+284#8470#8186
21M → 35K966+90#8186#8096
35K → 23M2492+247#8096#7849
23M → 24M8449+35#7849#7814
24M → 40K9125+66#7814#7748
40K → 25.2M713+68#7748#7680
25.2M → Finish1704+166#7680#7514
TOTALS3556*399+3157

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

📊

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