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BOSTON MARATHON 2023

Casey Gilbert

Bib: 4669•M

FL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 25%
Division (M18-39)
#0 / 5285
Top 50%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:27
Rank: #5614
Start → 5K
21:27 | 6:54/mi
10K· 6.21 mi
42:30
Rank: #5329 (+285)
5K → 10K
21:03 | 6:47/mi
15K· 9.32 mi
1:03:42
Rank: #5318 (+11)
10K → 15K
21:12 | 6:49/mi
20K· 12.43 mi
1:24:53
Rank: #5141 (+177)
15K → 20K
21:11 | 6:49/mi
Half· 13.11 mi
1:29:29
Rank: #5125 (+16)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:45:58
Rank: #4915 (+210)
Half → 25K
16:29 | 6:48/mi
30K· 18.64 mi
2:07:36
Rank: #4712 (+203)
25K → 30K
21:38 | 6:58/mi
20M
2:17:11
Rank: #4673 (+39)
30K → 20M
9:35 | 7:03/mi
21M
2:24:32
Rank: #4607 (+66)
20M → 21M
7:21 | 7:21/mi
35K· 21.75 mi
2:29:25
Rank: #4498 (+109)
21M → 35K
4:53 | 6:32/mi
23M
2:38:02
Rank: #4361 (+137)
35K → 23M
8:37 | 6:53/mi
24M
2:44:38
Rank: #4278 (+83)
23M → 24M
6:36 | 6:36/mi
40K· 24.85 mi
2:50:23
Rank: #4158 (+120)
24M → 40K
5:45 | 6:44/mi
25.2M
2:52:53
Rank: #4126 (+32)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
2:59:28
Rank: #4022 (+104)
25.2M → Finish
6:35 | 6:28/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:29
Pace6:50 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:29:59
Pace6:52 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:5721:276:5421:27
6:54
-
10K
6.21 mi10:46:0042:306:5021:03
6:47
-0:07
15K
9.32 mi11:07:121:03:426:5021:12
6:49
+0:02
20K
12.43 mi11:28:231:24:536:5021:11
6:49
0:00
Half
13.11 mi11:32:591:29:296:504:36
6:45
-0:04
25K
15.53 mi11:49:281:45:586:4916:29
6:48
+0:03
30K
18.64 mi12:11:062:07:366:5121:38
6:58
+0:10
20M
20.00 mi12:20:412:17:116:529:35
7:03
+0:05
21M
21.00 mi12:28:022:24:326:537:21
7:21
+0:18
35K
21.75 mi12:32:552:29:256:524:53
6:32
-0:49
23M
23.00 mi12:41:322:38:026:528:37
6:53
+0:21
24M
24.00 mi12:48:082:44:386:526:36
6:36
-0:17
40K
24.85 mi12:53:532:50:236:515:45
6:44
+0:08
25.2M
25.20 mi12:56:232:52:536:522:30
7:15
+0:31
Finish
26.22 mi13:02:582:59:286:516:35
6:28
-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

6:28 /mi

Average Pace

6:51 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:37

95% of race

Time at Steady Pace

9:51

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:51 /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 mi10:24:5721:276:5421:27
6:54
#5614
10K
6.21 mi10:46:0042:306:5021:03
6:47
#5329
15K
9.32 mi11:07:121:03:426:5021:12
6:49
#5318
20K
12.43 mi11:28:231:24:536:5021:11
6:49
#5141
Half
13.11 mi11:32:591:29:296:504:36
6:45
#5125
25K
15.53 mi11:49:281:45:586:4916:29
6:48
#4915
30K
18.64 mi12:11:062:07:366:5121:38
6:58
#4712
20M
20.00 mi12:20:412:17:116:529:35
7:03
#4673
21M
21.00 mi12:28:022:24:326:537:21
7:21
#4607
35K
21.75 mi12:32:552:29:256:524:53
6:32
#4498
23M
23.00 mi12:41:322:38:026:528:37
6:53
#4361
24M
24.00 mi12:48:082:44:386:526:36
6:36
#4278
40K
24.85 mi12:53:532:50:236:515:45
6:44
#4158
25.2M
25.20 mi12:56:232:52:536:522:30
7:15
#4126
Finish
26.22 mi13:02:582:59:286:516:35
6:28
#4022
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5614516651665355(Top 20%)4940(Top 33%)4940(Top 93%)
10K6.21 mi3.10 mi5329+2854924+2424924+2425079(Top 19%)4697(Top 31%)4697(Top 89%)
15K9.32 mi3.11 mi5318+114921+34921+35355(Top 20%)4940(Top 33%)4940(Top 93%)
20K12.43 mi3.11 mi5141+1774765+1564765+1564632(Top 17%)4310(Top 28%)4310(Top 82%)
Half13.11 mi0.68 mi5125+164754+114754+114871(Top 18%)4503(Top 30%)4503(Top 85%)
25K15.53 mi2.42 mi4915+2104569+1854569+1854162(Top 16%)3894(Top 26%)3894(Top 74%)
30K18.64 mi3.11 mi4712+2034392+1774392+1774118(Top 15%)3839(Top 25%)3839(Top 73%)
20M20.00 mi1.36 mi4673+394358+344358+344375(Top 16%)4024(Top 27%)4024(Top 76%)
21M21.00 mi1.00 mi4607+664292+664292+663920(Top 15%)3613(Top 24%)3613(Top 68%)
35K21.75 mi0.75 mi4498+1094194+984194+982640(Top 10%)2483(Top 16%)2483(Top 47%)
23M23.00 mi1.25 mi4361+1374076+1184076+1183156(Top 12%)2933(Top 19%)2933(Top 55%)
24M24.00 mi1.00 mi4278+834003+734003+732608(Top 10%)2426(Top 16%)2426(Top 46%)
40K24.85 mi0.85 mi4158+1203892+1113892+1112510(Top 9%)2324(Top 15%)2324(Top 44%)
25.2M25.20 mi0.35 mi4126+323862+303862+302826(Top 11%)2582(Top 17%)2582(Top 49%)
Finish26.22 mi1.02 mi4022+1043763+993763+992337(Top 9%)2155(Top 14%)2155(Top 41%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5355

Males

4940

M18-39

4940

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5079

Males

4697

M18-39

4697

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5355

Males

4940

M18-39

4940

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4632

Males

4310

M18-39

4310

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4871

Males

4503

M18-39

4503

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4162

Males

3894

M18-39

3894

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4118

Males

3839

M18-39

3839

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4375

Males

4024

M18-39

4024

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

3920

Males

3613

M18-39

3613

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2640

Males

2483

M18-39

2483

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3156

Males

2933

M18-39

2933

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2608

Males

2426

M18-39

2426

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2510

Males

2324

M18-39

2324

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2826

Males

2582

M18-39

2582

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2337

Males

2155

M18-39

2155

Passing Analysis

Category:
Athletes Passed
2019
Passed By
427
Net Change
+1592
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5614
5K → 10K37489+285#5614#5329
10K → 15K112101+11#5329#5318
15K → 20K21437+177#5318#5141
20K → Half2913+16#5141#5125
Half → 25K22717+210#5125#4915
25K → 30K24643+203#4915#4712
30K → 20M8647+39#4712#4673
20M → 21M9024+66#4673#4607
21M → 35K1134+109#4607#4498
35K → 23M15518+137#4498#4361
23M → 24M9714+83#4361#4278
24M → 40K1233+120#4278#4158
40K → 25.2M419+32#4158#4126
25.2M → Finish1128+104#4126#4022
TOTALS2019427+1592
📊

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