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BOSTON MARATHON 2023

Sebastien Roulier

Bib: 8483•M

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 16%
Masters (Masters Men)
#0 / 9891
Top 6%
Division (M45-49)
#0 / 2252
Top 7%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:19
Rank: #2492
Start → 5K
6:32/mi
20:19 split
10K· 6.21 mi
40:26
Rank: #2544 (-52)
5K → 10K
6:28/mi
20:07 split
15K· 9.32 mi
1:01:15
Rank: #2983 (-439)
10K → 15K
6:42/mi
20:49 split
20K· 12.43 mi
1:21:51
Rank: #2983
15K → 20K
6:38/mi
20:36 split
Half· 13.11 mi
1:26:20
Rank: #2993 (-10)
20K → Half
6:34/mi
4:29 split
25K· 15.53 mi
1:42:31
Rank: #2989 (+4)
Half → 25K
6:40/mi
16:11 split
30K· 18.64 mi
2:03:36
Rank: #2914 (+75)
25K → 30K
6:47/mi
21:05 split
20M
2:12:49
Rank: #2879 (+35)
30K → 20M
6:47/mi
9:13 split
21M
2:20:00
Rank: #2855 (+24)
20M → 21M
7:11/mi
7:11 split
35K· 21.75 mi
2:24:53
Rank: #2830 (+25)
21M → 35K
6:32/mi
4:53 split
23M
2:33:15
Rank: #2749 (+81)
35K → 23M
6:41/mi
8:22 split
24M
2:39:47
Rank: #2693 (+56)
23M → 24M
6:32/mi
6:32 split
40K· 24.85 mi
2:45:35
Rank: #2666 (+27)
24M → 40K
6:47/mi
5:48 split
25.2M
2:47:55
Rank: #2625 (+41)
40K → 25.2M
6:47/mi
2:20 split
Finish· 26.22 mi
2:54:41
Rank: #2620 (+5)
25.2M → Finish
6:38/mi
6:46 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:20
Pace6:35 /mi
2nd Half
Distance13.11 mi
Time1:28:21
Pace6:44 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:3520:196:3220:19
6:32
-
10K
6.21 mi11:05:4240:266:3020:07
6:28
-0:04
15K
9.32 mi11:26:311:01:156:3420:49
6:42
+0:14
20K
12.43 mi11:47:071:21:516:3520:36
6:38
-0:04
Half
13.11 mi11:51:361:26:206:354:29
6:34
-0:04
25K
15.53 mi12:07:471:42:316:3616:11
6:40
+0:06
30K
18.64 mi12:28:522:03:366:3821:05
6:47
+0:07
20M
20.00 mi12:38:052:12:496:389:13
6:47
0:00
21M
21.00 mi12:45:162:20:006:407:11
7:11
+0:24
35K
21.75 mi12:50:092:24:536:404:53
6:32
-0:39
23M
23.00 mi12:58:312:33:156:408:22
6:41
+0:09
24M
24.00 mi13:05:032:39:476:396:32
6:32
-0:09
40K
24.85 mi13:10:512:45:356:405:48
6:47
+0:15
25.2M
25.20 mi13:13:112:47:556:402:20
6:47
0:00
Finish
26.22 mi13:19:572:54:416:406:46
6:38
-0:09

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

6:28 /mi

Average Pace

6:40 /mi

Slowest Pace

7:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:30

96% of race

Time at Steady Pace

7:11

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:40 /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 mi10:45:3520:196:3220:19
6:32
#2492
10K
6.21 mi11:05:4240:266:3020:07
6:28
#2544
15K
9.32 mi11:26:311:01:156:3420:49
6:42
#2983
20K
12.43 mi11:47:071:21:516:3520:36
6:38
#2983
Half
13.11 mi11:51:361:26:206:354:29
6:34
#2993
25K
15.53 mi12:07:471:42:316:3616:11
6:40
#2989
30K
18.64 mi12:28:522:03:366:3821:05
6:47
#2914
20M
20.00 mi12:38:052:12:496:389:13
6:47
#2879
21M
21.00 mi12:45:162:20:006:407:11
7:11
#2855
35K
21.75 mi12:50:092:24:536:404:53
6:32
#2830
23M
23.00 mi12:58:312:33:156:408:22
6:41
#2749
24M
24.00 mi13:05:032:39:476:396:32
6:32
#2693
40K
24.85 mi13:10:512:45:356:405:48
6:47
#2666
25.2M
25.20 mi13:13:112:47:556:402:20
6:47
#2625
Finish
26.22 mi13:19:572:54:416:406:46
6:38
#2620
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 mi2492237823784106(Top 15%)3852(Top 25%)3852(Top 171%)
10K6.21 mi3.10 mi2544-522426-482426-482646(Top 10%)2530(Top 17%)2530(Top 112%)
15K9.32 mi3.11 mi2983-4392845-4192845-4194106(Top 15%)3852(Top 25%)3852(Top 171%)
20K12.43 mi3.11 mi29832846-12846-13036(Top 11%)2891(Top 19%)2891(Top 128%)
Half13.11 mi0.68 mi2993-102859-132859-133190(Top 12%)3040(Top 20%)3040(Top 135%)
25K15.53 mi2.42 mi2989+42856+32856+33157(Top 12%)3009(Top 20%)3009(Top 134%)
30K18.64 mi3.11 mi2914+752786+702786+702877(Top 11%)2727(Top 18%)2727(Top 121%)
20M20.00 mi1.36 mi2879+352751+352751+352693(Top 10%)2547(Top 17%)2547(Top 113%)
21M21.00 mi1.00 mi2855+242729+222729+222982(Top 11%)2793(Top 18%)2793(Top 124%)
35K21.75 mi0.75 mi2830+252705+242705+242562(Top 10%)2421(Top 16%)2421(Top 108%)
23M23.00 mi1.25 mi2749+812625+802625+802109(Top 8%)1998(Top 13%)1998(Top 89%)
24M24.00 mi1.00 mi2693+562569+562569+562235(Top 8%)2093(Top 14%)2093(Top 93%)
40K24.85 mi0.85 mi2666+272544+252544+252708(Top 10%)2494(Top 16%)2494(Top 111%)
25.2M25.20 mi0.35 mi2625+412505+392505+391125(Top 4%)1064(Top 7%)1064(Top 47%)
Finish26.22 mi1.02 mi2620+52498+72498+73175(Top 12%)2852(Top 19%)2852(Top 127%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21story building
+97ft-345ft

Overall

4106

Males

3852

M45-49

3852

5K→10K

3.1 - 6.2 mi

Top 10%
×5story building
+79ft-138ft

Overall

2646

Males

2530

M45-49

2530

10K→15K

6.2 - 9.3 mi

Top 15%
×3story building
+67ft-78ft

Overall

4106

Males

3852

M45-49

3852

15K→20K

9.3 - 12.4 mi

Top 11%
×5story building
+106ft-86ft

Overall

3036

Males

2891

M45-49

2891

20K→Half

12.4 - 13.1 mi

Top 12%
×2story building
+19ft-37ft

Overall

3190

Males

3040

M45-49

3040

Half→25K

13.1 - 15.5 mi

Top 12%
×4story building
+66ft-88ft

Overall

3157

Males

3009

M45-49

3009

25K→30K

15.5 - 18.6 mi

Top 11%
×9story building
+181ft-148ft

Overall

2877

Males

2727

M45-49

2727

30K→20M

18.6 - 20.0 mi

Top 10%
×5story building
+64ft-50ft

Overall

2693

Males

2547

M45-49

2547

20M→21M

20.0 - 21.0 mi

Top 11%
×8story building
+106ft-24ft

Overall

2982

Males

2793

M45-49

2793

21M→35K

21.0 - 21.8 mi

Top 10%
×7story building
+17ft-86ft

Overall

2562

Males

2421

M45-49

2421

35K→23M

21.8 - 23.0 mi

Top 8%
×5story building
+23ft-63ft

Overall

2109

Males

1998

M45-49

1998

23M→24M

23.0 - 24.0 mi

Top 8%
×6story building
+12ft-82ft

Overall

2235

Males

2093

M45-49

2093

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2708

Males

2494

M45-49

2494

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1125

Males

1064

M45-49

1064

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2story building
+22ft-21ft

Overall

3175

Males

2852

M45-49

2852

Passing Analysis

Category:
Athletes Passed
844
Passed By
972
Net Change
-128
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2492
5K → 10K116168-52#2492#2544
10K → 15K9448-439#2544#2983
15K → 20K77770#2983#2983
20K → Half1828-10#2983#2993
Half → 25K6460+4#2993#2989
25K → 30K12045+75#2989#2914
30K → 20M5217+35#2914#2879
20M → 21M5531+24#2879#2855
21M → 35K3914+25#2855#2830
35K → 23M9716+81#2830#2749
23M → 24M7014+56#2749#2693
24M → 40K4922+27#2693#2666
40K → 25.2M410+41#2666#2625
25.2M → Finish3732+5#2625#2620
TOTALS844972-128
📊

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