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BOSTON MARATHON 2023

Herve Sibert

Bib: 10505•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

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
7:43/mi
23:57
↑ 97↓ 3451.5%
10K· 6.21 mi
8:18/mi
49:45
↑ 79↓ 1380.4%
15K· 9.32 mi
8:43/mi
1:16:50
↑ 67↓ 78
20K· 12.43 mi
9:07/mi
1:45:10
↑ 106↓ 860.1%
Half· 13.11 mi
8:40/mi
1:51:05
↑ 19↓ 370.5%
25K· 15.53 mi
9:23/mi
2:13:50
↑ 66↓ 880.2%
30K· 18.64 mi
10:29/mi
2:46:23
↑ 181↓ 1480.2%
20M
9:41/mi
2:59:33
↑ 64↓ 500.2%
21M
11:02/mi
3:10:35
↑ 106↓ 241.6%
35K· 21.75 mi
9:33/mi
3:17:44
↑ 17↓ 861.7%
23M
9:39/mi
3:29:49
↑ 23↓ 630.6%
24M
8:42/mi
3:38:31
↓ 821.3%
40K· 24.85 mi
9:10/mi
3:46:21
↓ 200.3%
25.2M
10:12/mi
3:49:52
↑ 13↓ 160.2%
Finish· 26.22 mi
8:55/mi
3:58:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:05
Pace8:28 /mi
2nd Half
Distance13.11 mi
Time2:07:52
Pace9:45 /mi
📊Positive Split: 15.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3223:577:4323:57
7:43
-
10K
6.21 mi11:16:2049:458:0025:48
8:18
+0:35
15K
9.32 mi11:43:251:16:508:1527:05
8:43
+0:25
20K
12.43 mi12:11:451:45:108:2828:20
9:07
+0:24
Half
13.11 mi12:17:401:51:058:285:55
8:40
-0:27
25K
15.53 mi12:40:252:13:508:3722:45
9:23
+0:43
30K
18.64 mi13:12:582:46:238:5632:33
10:29
+1:06
20M
20.00 mi13:26:082:59:338:5913:10
9:41
-0:48
21M
21.00 mi13:37:103:10:359:0511:02
11:02
+1:21
35K
21.75 mi13:44:193:17:449:067:09
9:33
-1:29
23M
23.00 mi13:56:243:29:499:0712:05
9:39
+0:06
24M
24.00 mi14:05:063:38:319:068:42
8:42
-0:57
40K
24.85 mi14:12:563:46:219:067:50
9:10
+0:28
25.2M
25.20 mi14:16:273:49:529:073:31
10:12
+1:02
Finish
26.22 mi14:25:323:58:579:079:05
8:55
-1:17

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

7:43 /mi

Average Pace

9:07 /mi

Slowest Pace

11:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:27

38% of race

Time at Steady Pace

1:15:09

31% of race

Time at Slower Pace

1:12:21

30% of race

Average Pace: 9:07 /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 mi10:50:3223:577:4323:57
7:43
#11525
10K
6.21 mi11:16:2049:458:0025:48
8:18
#14431
15K
9.32 mi11:43:251:16:508:1527:05
8:43
#16137
20K
12.43 mi12:11:451:45:108:2828:20
9:07
#17335
Half
13.11 mi12:17:401:51:058:285:55
8:40
#17386
25K
15.53 mi12:40:252:13:508:3722:45
9:23
#18045
30K
18.64 mi13:12:582:46:238:5632:33
10:29
#19234
20M
20.00 mi13:26:082:59:338:5913:10
9:41
#19257
21M
21.00 mi13:37:103:10:359:0511:02
11:02
#19387
35K
21.75 mi13:44:193:17:449:067:09
9:33
#19423
23M
23.00 mi13:56:243:29:499:0712:05
9:39
#19409
24M
24.00 mi14:05:063:38:319:068:42
8:42
#19262
40K
24.85 mi14:12:563:46:219:067:50
9:10
#19176
25.2M
25.20 mi14:16:273:49:529:073:31
10:12
#19153
Finish
26.22 mi14:25:323:58:579:079:05
8:55
#19129
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi115258910891019070(Top 72%)11903(Top 78%)11903(Top 529%)
10K6.21 mi3.10 mi14431-290610112-120210112-120216947(Top 64%)11089(Top 73%)11089(Top 492%)
15K9.32 mi3.11 mi16137-170610746-63410746-63419070(Top 72%)11903(Top 78%)11903(Top 529%)
20K12.43 mi3.11 mi17335-119811189-44311189-44320213(Top 76%)12401(Top 82%)12401(Top 551%)
Half13.11 mi0.68 mi17386-5111212-2311212-2318752(Top 70%)11807(Top 78%)11807(Top 524%)
25K15.53 mi2.42 mi18045-65911465-25311465-25320449(Top 77%)12468(Top 82%)12468(Top 554%)
30K18.64 mi3.11 mi19234-118911936-47111936-47122155(Top 83%)13150(Top 87%)13150(Top 584%)
20M20.00 mi1.36 mi19257-2311930+611930+619522(Top 73%)11914(Top 79%)11914(Top 529%)
21M21.00 mi1.00 mi19387-13011973-4311973-4320888(Top 78%)12467(Top 82%)12467(Top 554%)
35K21.75 mi0.75 mi19423-3611984-1111984-1120013(Top 75%)12047(Top 79%)12047(Top 535%)
23M23.00 mi1.25 mi19409+1411980+411980+418902(Top 71%)11527(Top 76%)11527(Top 512%)
24M24.00 mi1.00 mi19262+14711899+8111899+8115655(Top 59%)10025(Top 66%)10025(Top 445%)
40K24.85 mi0.85 mi19176+8611855+4411855+4416916(Top 64%)10552(Top 70%)10552(Top 469%)
25.2M25.20 mi0.35 mi19153+2311843+1211843+1218096(Top 68%)11079(Top 73%)11079(Top 492%)
Finish26.22 mi1.02 mi19129+2411826+1711826+1717545(Top 66%)10845(Top 71%)10845(Top 482%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

19070

Males

11903

M45-49

11903

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

16947

Males

11089

M45-49

11089

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

19070

Males

11903

M45-49

11903

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

20213

Males

12401

M45-49

12401

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

18752

Males

11807

M45-49

11807

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

20449

Males

12468

M45-49

12468

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

22155

Males

13150

M45-49

13150

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

19522

Males

11914

M45-49

11914

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

20888

Males

12467

M45-49

12467

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

20013

Males

12047

M45-49

12047

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

18902

Males

11527

M45-49

11527

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

15655

Males

10025

M45-49

10025

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

16916

Males

10552

M45-49

10552

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18096

Males

11079

M45-49

11079

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

17545

Males

10845

M45-49

10845

Passing Analysis

Category:
Athletes Passed
668
Passed By
8272
Net Change
-7604
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11525
5K → 10K52911-2906#11525#14431
10K → 15K101716-1706#14431#16137
15K → 20K211219-1198#16137#17335
20K → Half1061-51#17335#17386
Half → 25K24683-659#17386#18045
25K → 30K201209-1189#18045#19234
30K → 20M7699-23#19234#19257
20M → 21M48178-130#19257#19387
21M → 35K3066-36#19387#19423
35K → 23M8167+14#19423#19409
23M → 24M1492+147#19409#19262
24M → 40K10014+86#19262#19176
40K → 25.2M3411+23#19176#19153
25.2M → Finish6036+24#19153#19129
TOTALS6688272-7604
📊

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