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BOSTON MARATHON 2023

Jacob Milburn

Bib: 1194•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 5%
Division (M18-39)
#0 / 5285
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:00
Rank: #928
Start → 5K
19:00 | 6:07/mi
10K· 6.21 mi
37:49
Rank: #935 (-7)
5K → 10K
18:49 | 6:03/mi
15K· 9.32 mi
56:45
Rank: #931 (+4)
10K → 15K
18:56 | 6:06/mi
20K· 12.43 mi
1:15:40
Rank: #873 (+58)
15K → 20K
18:55 | 6:05/mi
Half· 13.11 mi
1:19:49
Rank: #877 (-4)
20K → Half
4:09 | 6:05/mi
25K· 15.53 mi
1:34:39
Rank: #850 (+27)
Half → 25K
14:50 | 6:07/mi
30K· 18.64 mi
1:54:02
Rank: #816 (+34)
25K → 30K
19:23 | 6:14/mi
20M
2:02:33
Rank: #808 (+8)
30K → 20M
8:31 | 6:16/mi
21M
2:09:17
Rank: #809 (-1)
20M → 21M
6:44 | 6:44/mi
35K· 21.75 mi
2:13:52
Rank: #807 (+2)
21M → 35K
4:35 | 6:08/mi
23M
2:21:50
Rank: #798 (+9)
35K → 23M
7:58 | 6:22/mi
24M
2:28:02
Rank: #796 (+2)
23M → 24M
6:12 | 6:12/mi
40K· 24.85 mi
2:33:29
Rank: #789 (+7)
24M → 40K
5:27 | 6:22/mi
25.2M
2:35:50
Rank: #784 (+5)
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
2:42:07
Rank: #775 (+9)
25.2M → Finish
6:17 | 6:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:49
Pace6:05 /mi
2nd Half
Distance13.11 mi
Time1:22:18
Pace6:17 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:3319:006:0719:00
6:07
-
10K
6.21 mi10:38:2237:496:0518:49
6:03
-0:04
15K
9.32 mi10:57:1856:456:0518:56
6:06
+0:03
20K
12.43 mi11:16:131:15:406:0518:55
6:05
-0:01
Half
13.11 mi11:20:221:19:496:054:09
6:05
0:00
25K
15.53 mi11:35:121:34:396:0614:50
6:07
+0:02
30K
18.64 mi11:54:351:54:026:0719:23
6:14
+0:07
20M
20.00 mi12:03:062:02:336:088:31
6:16
+0:02
21M
21.00 mi12:09:502:09:176:096:44
6:44
+0:28
35K
21.75 mi12:14:252:13:526:094:35
6:08
-0:36
23M
23.00 mi12:22:232:21:506:107:58
6:22
+0:14
24M
24.00 mi12:28:352:28:026:106:12
6:12
-0:10
40K
24.85 mi12:34:022:33:296:115:27
6:22
+0:10
25.2M
25.20 mi12:36:232:35:506:112:21
6:49
+0:27
Finish
26.22 mi12:42:402:42:076:116:17
6:10
-0:39

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

6:03 /mi

Average Pace

6:11 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:02

94% of race

Time at Steady Pace

9:05

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:11 /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 mi10:19:3319:006:0719:00
6:07
#928
10K
6.21 mi10:38:2237:496:0518:49
6:03
#935
15K
9.32 mi10:57:1856:456:0518:56
6:06
#931
20K
12.43 mi11:16:131:15:406:0518:55
6:05
#873
Half
13.11 mi11:20:221:19:496:054:09
6:05
#877
25K
15.53 mi11:35:121:34:396:0614:50
6:07
#850
30K
18.64 mi11:54:351:54:026:0719:23
6:14
#816
20M
20.00 mi12:03:062:02:336:088:31
6:16
#808
21M
21.00 mi12:09:502:09:176:096:44
6:44
#809
35K
21.75 mi12:14:252:13:526:094:35
6:08
#807
23M
23.00 mi12:22:232:21:506:107:58
6:22
#798
24M
24.00 mi12:28:352:28:026:106:12
6:12
#796
40K
24.85 mi12:34:022:33:296:115:27
6:22
#789
25.2M
25.20 mi12:36:232:35:506:112:21
6:49
#784
Finish
26.22 mi12:42:402:42:076:116:17
6:10
#775
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi928873873949(Top 4%)900(Top 6%)900(Top 17%)
10K6.21 mi3.10 mi935-7883-10883-10952(Top 4%)903(Top 6%)903(Top 17%)
15K9.32 mi3.11 mi931+4881+2881+2949(Top 4%)900(Top 6%)900(Top 17%)
20K12.43 mi3.11 mi873+58825+56825+56759(Top 3%)716(Top 5%)716(Top 14%)
Half13.11 mi0.68 mi877-4829-4829-4951(Top 4%)905(Top 6%)905(Top 17%)
25K15.53 mi2.42 mi850+27803+26803+26789(Top 3%)747(Top 5%)747(Top 14%)
30K18.64 mi3.11 mi816+34773+30773+30764(Top 3%)726(Top 5%)726(Top 14%)
20M20.00 mi1.36 mi808+8765+8765+8785(Top 3%)745(Top 5%)745(Top 14%)
21M21.00 mi1.00 mi809-17657651185(Top 4%)1127(Top 7%)1127(Top 21%)
35K21.75 mi0.75 mi807+2763+2763+2993(Top 4%)943(Top 6%)943(Top 18%)
23M23.00 mi1.25 mi798+9754+9754+9983(Top 4%)933(Top 6%)933(Top 18%)
24M24.00 mi1.00 mi796+2752+2752+21009(Top 4%)955(Top 6%)955(Top 18%)
40K24.85 mi0.85 mi789+7746+6746+61107(Top 4%)1046(Top 7%)1046(Top 20%)
25.2M25.20 mi0.35 mi784+5741+5741+51160(Top 4%)1099(Top 7%)1099(Top 21%)
Finish26.22 mi1.02 mi775+9731+10731+101161(Top 4%)1105(Top 7%)1105(Top 21%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

949

Males

900

M18-39

900

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

952

Males

903

M18-39

903

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

949

Males

900

M18-39

900

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

759

Males

716

M18-39

716

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

951

Males

905

M18-39

905

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

789

Males

747

M18-39

747

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

764

Males

726

M18-39

726

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

785

Males

745

M18-39

745

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1185

Males

1127

M18-39

1127

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

993

Males

943

M18-39

943

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

983

Males

933

M18-39

933

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1009

Males

955

M18-39

955

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1107

Males

1046

M18-39

1046

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1160

Males

1099

M18-39

1099

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1161

Males

1105

M18-39

1105

Passing Analysis

Category:
Athletes Passed
335
Passed By
182
Net Change
+153
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#928
5K → 10K4249-7#928#935
10K → 15K3228+4#935#931
15K → 20K646+58#931#873
20K → Half711-4#873#877
Half → 25K369+27#877#850
25K → 30K4814+34#850#816
30K → 20M179+8#816#808
20M → 21M1112-1#808#809
21M → 35K75+2#809#807
35K → 23M2112+9#807#798
23M → 24M1210+2#798#796
24M → 40K136+7#796#789
40K → 25.2M83+5#789#784
25.2M → Finish178+9#784#775
TOTALS335182+153
📊

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