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BOSTON MARATHON 2023

Alain Vaucher

Bib: 31476•M

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

Start
0:00:00
Race begins
5K· 3.11 mi
27:56
Rank: #20397
Start → 5K
27:56 | 8:59/mi
10K· 6.21 mi
54:12
Rank: #19243 (+1154)
5K → 10K
26:16 | 8:27/mi
15K· 9.32 mi
1:20:26
Rank: #18633 (+610)
10K → 15K
26:14 | 8:27/mi
20K· 12.43 mi
1:47:18
Rank: #18403 (+230)
15K → 20K
26:52 | 8:39/mi
Half· 13.11 mi
1:53:00
Rank: #18320 (+83)
20K → Half
5:42 | 8:21/mi
25K· 15.53 mi
2:14:01
Rank: #18125 (+195)
Half → 25K
21:01 | 8:40/mi
30K· 18.64 mi
2:41:45
Rank: #17819 (+306)
25K → 30K
27:44 | 8:56/mi
20M
2:53:46
Rank: #17652 (+167)
30K → 20M
12:01 | 8:51/mi
21M
3:03:36
Rank: #17648 (+4)
20M → 21M
9:50 | 9:50/mi
35K· 21.75 mi
3:10:05
Rank: #17580 (+68)
21M → 35K
6:29 | 8:40/mi
23M
3:21:17
Rank: #17469 (+111)
35K → 23M
11:12 | 8:57/mi
24M
3:29:57
Rank: #17383 (+86)
23M → 24M
8:40 | 8:40/mi
40K· 24.85 mi
3:37:51
Rank: #17387 (-4)
24M → 40K
7:54 | 9:14/mi
25.2M
3:41:00
Rank: #17311 (+76)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:49:31
Rank: #17236 (+75)
25.2M → Finish
8:31 | 8:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:00
Pace8:37 /mi
2nd Half
Distance13.11 mi
Time1:56:31
Pace8:53 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:2127:568:5927:56
8:59
-
10K
6.21 mi12:14:3754:128:4326:16
8:27
-0:32
15K
9.32 mi12:40:511:20:268:3826:14
8:27
0:00
20K
12.43 mi13:07:431:47:188:3826:52
8:39
+0:12
Half
13.11 mi13:13:251:53:008:375:42
8:21
-0:18
25K
15.53 mi13:34:262:14:018:3821:01
8:40
+0:19
30K
18.64 mi14:02:102:41:458:4127:44
8:56
+0:16
20M
20.00 mi14:14:112:53:468:4112:01
8:51
-0:05
21M
21.00 mi14:24:013:03:368:459:50
9:50
+0:59
35K
21.75 mi14:30:303:10:058:446:29
8:40
-1:10
23M
23.00 mi14:41:423:21:178:4511:12
8:57
+0:17
24M
24.00 mi14:50:223:29:578:458:40
8:40
-0:17
40K
24.85 mi14:58:163:37:518:467:54
9:14
+0:34
25.2M
25.20 mi15:01:253:41:008:463:09
9:08
-0:06
Finish
26.22 mi15:09:563:49:318:468:31
8:21
-0:47

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

8:21 /mi

Average Pace

8:46 /mi

Slowest Pace

9:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:31:47

92% of race

Time at Steady Pace

17:44

8% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:45 /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 mi11:48:2127:568:5927:56
8:59
#20397
10K
6.21 mi12:14:3754:128:4326:16
8:27
#19243
15K
9.32 mi12:40:511:20:268:3826:14
8:27
#18633
20K
12.43 mi13:07:431:47:188:3826:52
8:39
#18403
Half
13.11 mi13:13:251:53:008:375:42
8:21
#18320
25K
15.53 mi13:34:262:14:018:3821:01
8:40
#18125
30K
18.64 mi14:02:102:41:458:4127:44
8:56
#17819
20M
20.00 mi14:14:112:53:468:4112:01
8:51
#17652
21M
21.00 mi14:24:013:03:368:459:50
9:50
#17648
35K
21.75 mi14:30:303:10:058:446:29
8:40
#17580
23M
23.00 mi14:41:423:21:178:4511:12
8:57
#17469
24M
24.00 mi14:50:223:29:578:458:40
8:40
#17383
40K
24.85 mi14:58:163:37:518:467:54
9:14
#17387
25.2M
25.20 mi15:01:253:41:008:463:09
9:08
#17311
Finish
26.22 mi15:09:563:49:318:468:31
8:21
#17236
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi20397123221232217412(Top 65%)11229(Top 74%)11229(Top 499%)
10K6.21 mi3.10 mi19243+115411919+40311919+40317945(Top 67%)11477(Top 76%)11477(Top 510%)
15K9.32 mi3.11 mi18633+61011709+21011709+21017412(Top 65%)11229(Top 74%)11229(Top 499%)
20K12.43 mi3.11 mi18403+23011629+8011629+8017773(Top 67%)11367(Top 75%)11367(Top 505%)
Half13.11 mi0.68 mi18320+8311598+3111598+3116806(Top 63%)11007(Top 73%)11007(Top 489%)
25K15.53 mi2.42 mi18125+19511499+9911499+9917197(Top 65%)11061(Top 73%)11061(Top 491%)
30K18.64 mi3.11 mi17819+30611349+15011349+15016794(Top 63%)10827(Top 71%)10827(Top 481%)
20M20.00 mi1.36 mi17652+16711272+7711272+7715668(Top 59%)10280(Top 68%)10280(Top 456%)
21M21.00 mi1.00 mi17648+411249+2311249+2317368(Top 65%)10939(Top 72%)10939(Top 486%)
35K21.75 mi0.75 mi17580+6811203+4611203+4616217(Top 61%)10379(Top 68%)10379(Top 461%)
23M23.00 mi1.25 mi17469+11111146+5711146+5715765(Top 59%)10139(Top 67%)10139(Top 450%)
24M24.00 mi1.00 mi17383+8611103+4311103+4315450(Top 58%)9928(Top 65%)9928(Top 441%)
40K24.85 mi0.85 mi17387-411092+1111092+1117253(Top 65%)10691(Top 70%)10691(Top 475%)
25.2M25.20 mi0.35 mi17311+7611050+4211050+4213261(Top 50%)8902(Top 59%)8902(Top 395%)
Finish26.22 mi1.02 mi17236+7511010+4011010+4014446(Top 54%)9466(Top 62%)9466(Top 420%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

17412

Males

11229

M45-49

11229

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

17945

Males

11477

M45-49

11477

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

17412

Males

11229

M45-49

11229

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

17773

Males

11367

M45-49

11367

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

16806

Males

11007

M45-49

11007

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

17197

Males

11061

M45-49

11061

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

16794

Males

10827

M45-49

10827

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

15668

Males

10280

M45-49

10280

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

17368

Males

10939

M45-49

10939

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

16217

Males

10379

M45-49

10379

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

15765

Males

10139

M45-49

10139

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

15450

Males

9928

M45-49

9928

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17253

Males

10691

M45-49

10691

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13261

Males

8902

M45-49

8902

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

14446

Males

9466

M45-49

9466

Passing Analysis

Category:
Athletes Passed
3662
Passed By
501
Net Change
+3161
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20397
5K → 10K120753+1154#20397#19243
10K → 15K63929+610#19243#18633
15K → 20K29060+230#18633#18403
20K → Half830+83#18403#18320
Half → 25K23944+195#18320#18125
25K → 30K36155+306#18125#17819
30K → 20M18114+167#17819#17652
20M → 21M8985+4#17652#17648
21M → 35K8618+68#17648#17580
35K → 23M14433+111#17580#17469
23M → 24M10115+86#17469#17383
24M → 40K5963-4#17383#17387
40K → 25.2M815+76#17387#17311
25.2M → Finish10227+75#17311#17236
TOTALS3662501+3161
📊

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