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BOSTON MARATHON 2023

Jacob Barker

Bib: 2491•M

VA

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
19:12
Rank: #1093
Start → 5K
19:12 | 6:11/mi
10K· 6.21 mi
37:56
Rank: #981 (+112)
5K → 10K
18:44 | 6:02/mi
15K· 9.32 mi
56:34
Rank: #869 (+112)
10K → 15K
18:38 | 6:00/mi
20K· 12.43 mi
1:15:28
Rank: #831 (+38)
15K → 20K
18:54 | 6:05/mi
Half· 13.11 mi
1:19:30
Rank: #808 (+23)
20K → Half
4:02 | 5:55/mi
25K· 15.53 mi
1:34:30
Rank: #819 (-11)
Half → 25K
15:00 | 6:11/mi
30K· 18.64 mi
1:54:01
Rank: #808 (+11)
25K → 30K
19:31 | 6:17/mi
20M
2:02:47
Rank: #828 (-20)
30K → 20M
8:46 | 6:27/mi
21M
2:09:29
Rank: #823 (+5)
20M → 21M
6:42 | 6:42/mi
35K· 21.75 mi
2:14:04
Rank: #828 (-5)
21M → 35K
4:35 | 6:08/mi
23M
2:22:12
Rank: #837 (-9)
35K → 23M
8:08 | 6:30/mi
24M
2:28:32
Rank: #847 (-10)
23M → 24M
6:20 | 6:20/mi
40K· 24.85 mi
2:33:59
Rank: #837 (+10)
24M → 40K
5:27 | 6:22/mi
25.2M
2:36:18
Rank: #827 (+10)
40K → 25.2M
2:19 | 6:43/mi
Finish· 26.22 mi
2:42:26
Rank: #804 (+23)
25.2M → Finish
6:08 | 6:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:30
Pace6:04 /mi
2nd Half
Distance13.11 mi
Time1:22:56
Pace6:20 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4919:126:1119:12
6:11
-
10K
6.21 mi10:38:3337:566:0618:44
6:02
-0:09
15K
9.32 mi10:57:1156:346:0418:38
6:00
-0:02
20K
12.43 mi11:16:051:15:286:0418:54
6:05
+0:05
Half
13.11 mi11:20:071:19:306:044:02
5:55
-0:10
25K
15.53 mi11:35:071:34:306:0515:00
6:11
+0:16
30K
18.64 mi11:54:381:54:016:0719:31
6:17
+0:06
20M
20.00 mi12:03:242:02:476:088:46
6:27
+0:10
21M
21.00 mi12:10:062:09:296:106:42
6:42
+0:15
35K
21.75 mi12:14:412:14:046:104:35
6:08
-0:34
23M
23.00 mi12:22:492:22:126:118:08
6:30
+0:22
24M
24.00 mi12:29:092:28:326:116:20
6:20
-0:10
40K
24.85 mi12:34:362:33:596:125:27
6:22
+0:02
25.2M
25.20 mi12:36:552:36:186:122:19
6:43
+0:21
Finish
26.22 mi12:43:032:42:266:126:08
6:01
-0:42

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

5:55 /mi

Average Pace

6:12 /mi

Slowest Pace

6:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:25

94% of race

Time at Steady Pace

9:01

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:12 /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 mi10:19:4919:126:1119:12
6:11
#1093
10K
6.21 mi10:38:3337:566:0618:44
6:02
#981
15K
9.32 mi10:57:1156:346:0418:38
6:00
#869
20K
12.43 mi11:16:051:15:286:0418:54
6:05
#831
Half
13.11 mi11:20:071:19:306:044:02
5:55
#808
25K
15.53 mi11:35:071:34:306:0515:00
6:11
#819
30K
18.64 mi11:54:381:54:016:0719:31
6:17
#808
20M
20.00 mi12:03:242:02:476:088:46
6:27
#828
21M
21.00 mi12:10:062:09:296:106:42
6:42
#823
35K
21.75 mi12:14:412:14:046:104:35
6:08
#828
23M
23.00 mi12:22:492:22:126:118:08
6:30
#837
24M
24.00 mi12:29:092:28:326:116:20
6:20
#847
40K
24.85 mi12:34:362:33:596:125:27
6:22
#837
25.2M
25.20 mi12:36:552:36:186:122:19
6:43
#827
Finish
26.22 mi12:43:032:42:266:126:08
6:01
#804
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi109310341034706(Top 3%)663(Top 4%)663(Top 13%)
10K6.21 mi3.10 mi981+112926+108926+108882(Top 3%)834(Top 5%)834(Top 16%)
15K9.32 mi3.11 mi869+112820+106820+106706(Top 3%)663(Top 4%)663(Top 13%)
20K12.43 mi3.11 mi831+38784+36784+36745(Top 3%)703(Top 5%)703(Top 13%)
Half13.11 mi0.68 mi808+23763+21763+21581(Top 2%)543(Top 4%)543(Top 10%)
25K15.53 mi2.42 mi819-11774-11774-11958(Top 4%)909(Top 6%)909(Top 17%)
30K18.64 mi3.11 mi808+11765+9765+9867(Top 3%)825(Top 5%)825(Top 16%)
20M20.00 mi1.36 mi828-20783-18783-181264(Top 5%)1203(Top 8%)1203(Top 23%)
21M21.00 mi1.00 mi823+5778+5778+51080(Top 4%)1026(Top 7%)1026(Top 19%)
35K21.75 mi0.75 mi828-5784-6784-6998(Top 4%)948(Top 6%)948(Top 18%)
23M23.00 mi1.25 mi837-9792-8792-81386(Top 5%)1314(Top 9%)1314(Top 25%)
24M24.00 mi1.00 mi847-10801-9801-91417(Top 5%)1340(Top 9%)1340(Top 25%)
40K24.85 mi0.85 mi837+10791+10791+101108(Top 4%)1047(Top 7%)1047(Top 20%)
25.2M25.20 mi0.35 mi827+10782+9782+9914(Top 3%)870(Top 6%)870(Top 16%)
Finish26.22 mi1.02 mi804+23760+22760+22764(Top 3%)731(Top 5%)731(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

706

Males

663

M18-39

663

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

882

Males

834

M18-39

834

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

706

Males

663

M18-39

663

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

745

Males

703

M18-39

703

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

581

Males

543

M18-39

543

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

958

Males

909

M18-39

909

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

867

Males

825

M18-39

825

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1264

Males

1203

M18-39

1203

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1080

Males

1026

M18-39

1026

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

998

Males

948

M18-39

948

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1386

Males

1314

M18-39

1314

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1417

Males

1340

M18-39

1340

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1108

Males

1047

M18-39

1047

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

914

Males

870

M18-39

870

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

764

Males

731

M18-39

731

Passing Analysis

Category:
Athletes Passed
479
Passed By
190
Net Change
+289
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1093
5K → 10K12715+112#1093#981
10K → 15K1142+112#981#869
15K → 20K4810+38#869#831
20K → Half230+23#831#808
Half → 25K2637-11#808#819
25K → 30K3322+11#819#808
30K → 20M727-20#808#828
20M → 21M1611+5#828#823
21M → 35K49-5#823#828
35K → 23M1524-9#828#837
23M → 24M818-10#837#847
24M → 40K177+10#847#837
40K → 25.2M111+10#837#827
25.2M → Finish307+23#827#804
TOTALS479190+289
📊

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