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BOSTON MARATHON 2023

Sylvain Pellerin

Bib: 10332•M

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 45%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 50%
Division (M45-49)
#0 / 2252
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
7:36/mi
23:37
↑ 97↓ 3451.5%
10K· 6.21 mi
7:32/mi
47:01
↑ 79↓ 1380.4%
15K· 9.32 mi
7:41/mi
1:10:53
↑ 67↓ 78
20K· 12.43 mi
7:52/mi
1:35:20
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:40:38
↑ 19↓ 370.5%
25K· 15.53 mi
7:58/mi
1:59:58
↑ 66↓ 880.2%
30K· 18.64 mi
8:13/mi
2:25:29
↑ 181↓ 1480.2%
20M
8:15/mi
2:36:41
↑ 64↓ 500.2%
21M
8:47/mi
2:45:28
↑ 106↓ 241.6%
35K· 21.75 mi
8:05/mi
2:51:31
↑ 17↓ 861.7%
23M
8:31/mi
3:02:11
↑ 23↓ 630.6%
24M
8:15/mi
3:10:26
↓ 821.3%
40K· 24.85 mi
8:37/mi
3:17:48
↓ 200.3%
25.2M
8:59/mi
3:20:54
↑ 13↓ 160.2%
Finish· 26.22 mi
8:07/mi
3:29:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:38
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:48:32
Pace8:17 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1023:377:3623:37
7:36
-
10K
6.21 mi11:13:3447:017:3423:24
7:32
-0:04
15K
9.32 mi11:37:261:10:537:3623:52
7:41
+0:09
20K
12.43 mi12:01:531:35:207:4024:27
7:52
+0:11
Half
13.11 mi12:07:111:40:387:415:18
7:46
-0:06
25K
15.53 mi12:26:311:59:587:4319:20
7:58
+0:12
30K
18.64 mi12:52:022:25:297:4825:31
8:13
+0:15
20M
20.00 mi13:03:142:36:417:5011:12
8:15
+0:02
21M
21.00 mi13:12:012:45:287:538:47
8:47
+0:32
35K
21.75 mi13:18:042:51:317:536:03
8:05
-0:42
23M
23.00 mi13:28:443:02:117:5510:40
8:31
+0:26
24M
24.00 mi13:36:593:10:267:568:15
8:15
-0:16
40K
24.85 mi13:44:213:17:487:577:22
8:37
+0:22
25.2M
25.20 mi13:47:273:20:547:583:06
8:59
+0:22
Finish
26.22 mi13:55:433:29:107:598:16
8:07
-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

7:32 /mi

Average Pace

7:59 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:59:15

86% of race

Time at Steady Pace

26:49

13% of race

Time at Slower Pace

3:06

1% of race

Average Pace: 7:59 /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 mi10:50:1023:377:3623:37
7:36
#10544
10K
6.21 mi11:13:3447:017:3423:24
7:32
#10606
15K
9.32 mi11:37:261:10:537:3623:52
7:41
#10963
20K
12.43 mi12:01:531:35:207:4024:27
7:52
#11270
Half
13.11 mi12:07:111:40:387:415:18
7:46
#11329
25K
15.53 mi12:26:311:59:587:4319:20
7:58
#11469
30K
18.64 mi12:52:022:25:297:4825:31
8:13
#11642
20M
20.00 mi13:03:142:36:417:5011:12
8:15
#11663
21M
21.00 mi13:12:012:45:287:538:47
8:47
#11681
35K
21.75 mi13:18:042:51:317:536:03
8:05
#11730
23M
23.00 mi13:28:443:02:117:5510:40
8:31
#11819
24M
24.00 mi13:36:593:10:267:568:15
8:15
#11871
40K
24.85 mi13:44:213:17:487:577:22
8:37
#11956
25.2M
25.20 mi13:47:273:20:547:583:06
8:59
#11964
Finish
26.22 mi13:55:433:29:107:598:16
8:07
#12004
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi105448426842611687(Top 44%)8946(Top 59%)8946(Top 397%)
10K6.21 mi3.10 mi10606-628472-468472-4610711(Top 40%)8539(Top 56%)8539(Top 379%)
15K9.32 mi3.11 mi10963-3578635-1638635-16311687(Top 44%)8946(Top 59%)8946(Top 397%)
20K12.43 mi3.11 mi11270-3078771-1368771-13612319(Top 46%)9155(Top 60%)9155(Top 407%)
Half13.11 mi0.68 mi11329-598793-228793-2212385(Top 47%)9221(Top 61%)9221(Top 409%)
25K15.53 mi2.42 mi11469-1408829-368829-3612501(Top 47%)9120(Top 60%)9120(Top 405%)
30K18.64 mi3.11 mi11642-1738853-248853-2412419(Top 47%)8981(Top 59%)8981(Top 399%)
20M20.00 mi1.36 mi11663-218841+128841+1211945(Top 45%)8685(Top 57%)8685(Top 386%)
21M21.00 mi1.00 mi11681-188835+68835+612138(Top 46%)8643(Top 57%)8643(Top 384%)
35K21.75 mi0.75 mi11730-498843-88843-812683(Top 48%)8847(Top 58%)8847(Top 393%)
23M23.00 mi1.25 mi11819-898859-168859-1613333(Top 50%)9056(Top 60%)9056(Top 402%)
24M24.00 mi1.00 mi11871-528861-28861-212912(Top 49%)8804(Top 58%)8804(Top 391%)
40K24.85 mi0.85 mi11956-858865-48865-414021(Top 53%)9243(Top 61%)9243(Top 410%)
25.2M25.20 mi0.35 mi11964-88864+18864+112394(Top 47%)8457(Top 56%)8457(Top 376%)
Finish26.22 mi1.02 mi12004-408858+68858+612835(Top 48%)8689(Top 57%)8689(Top 386%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

11687

Males

8946

M45-49

8946

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

10711

Males

8539

M45-49

8539

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

11687

Males

8946

M45-49

8946

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

12319

Males

9155

M45-49

9155

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

12385

Males

9221

M45-49

9221

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

12501

Males

9120

M45-49

9120

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

12419

Males

8981

M45-49

8981

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

11945

Males

8685

M45-49

8685

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

12138

Males

8643

M45-49

8643

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

12683

Males

8847

M45-49

8847

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

13333

Males

9056

M45-49

9056

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

12912

Males

8804

M45-49

8804

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14021

Males

9243

M45-49

9243

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12394

Males

8457

M45-49

8457

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

12835

Males

8689

M45-49

8689

Passing Analysis

Category:
Athletes Passed
1071*
Passed By
2531
Net Change
-1460
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10544
5K → 10K247*309-62#10544#10606
10K → 15K81438-357#10606#10963
15K → 20K78385-307#10963#11270
20K → Half968-59#11270#11329
Half → 25K82222-140#11329#11469
25K → 30K130303-173#11469#11642
30K → 20M94115-21#11642#11663
20M → 21M8199-18#11663#11681
21M → 35K3483-49#11681#11730
35K → 23M66155-89#11730#11819
23M → 24M48100-52#11819#11871
24M → 40K40125-85#11871#11956
40K → 25.2M2634-8#11956#11964
25.2M → Finish5595-40#11964#12004
TOTALS1071*2531-1460

* 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