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BOSTON MARATHON 2023

Jacob Ennis

Bib: 4154•M

CA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:40
Rank: #3269
Start → 5K
20:40 | 6:39/mi
10K· 6.21 mi
41:56
Rank: #4472 (-1203)
5K → 10K
21:16 | 6:51/mi
15K· 9.32 mi
1:03:14
Rank: #4849 (-377)
10K → 15K
21:18 | 6:51/mi
20K· 12.43 mi
1:25:49
Rank: #5741 (-892)
15K → 20K
22:35 | 7:16/mi
Half· 13.11 mi
1:31:00
Rank: #6008 (-267)
20K → Half
5:11 | 7:36/mi
25K· 15.53 mi
1:50:10
Rank: #6724 (-716)
Half → 25K
19:10 | 7:54/mi
30K· 18.64 mi
2:15:14
Rank: #7325 (-601)
25K → 30K
25:04 | 8:04/mi
20M
2:26:31
Rank: #7632 (-307)
30K → 20M
11:17 | 8:18/mi
21M
2:36:09
Rank: #8157 (-525)
20M → 21M
9:38 | 9:38/mi
35K· 21.75 mi
2:43:10
Rank: #8655 (-498)
21M → 35K
7:01 | 9:23/mi
23M
2:54:40
Rank: #9197 (-542)
35K → 23M
11:30 | 9:11/mi
24M
3:03:45
Rank: #9595 (-398)
23M → 24M
9:05 | 9:05/mi
40K· 24.85 mi
3:11:53
Rank: #9997 (-402)
24M → 40K
8:08 | 9:31/mi
25.2M
3:15:17
Rank: #10114 (-117)
40K → 25.2M
3:24 | 9:52/mi
Finish· 26.22 mi
3:24:00
Rank: #10349 (-235)
25.2M → Finish
8:43 | 8:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:00
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:53:00
Pace8:37 /mi
📊Positive Split: 24.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3520:406:3920:40
6:39
-
10K
6.21 mi10:43:5141:566:4521:16
6:51
+0:12
15K
9.32 mi11:05:091:03:146:4721:18
6:51
0:00
20K
12.43 mi11:27:441:25:496:5422:35
7:16
+0:25
Half
13.11 mi11:32:551:31:006:565:11
7:36
+0:20
25K
15.53 mi11:52:051:50:107:0619:10
7:54
+0:18
30K
18.64 mi12:17:092:15:147:1525:04
8:04
+0:10
20M
20.00 mi12:28:262:26:317:2011:17
8:18
+0:14
21M
21.00 mi12:38:042:36:097:269:38
9:38
+1:20
35K
21.75 mi12:45:052:43:107:307:01
9:23
-0:15
23M
23.00 mi12:56:352:54:407:3611:30
9:11
-0:12
24M
24.00 mi13:05:403:03:457:399:05
9:05
-0:06
40K
24.85 mi13:13:483:11:537:438:08
9:31
+0:26
25.2M
25.20 mi13:17:123:15:177:453:24
9:52
+0:21
Finish
26.22 mi13:25:553:24:007:478:43
8:33
-1:19

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

6:39 /mi

Average Pace

7:47 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:00

45% of race

Time at Steady Pace

1:04:14

31% of race

Time at Slower Pace

48:46

24% of race

Average Pace: 7:47 /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 mi10:22:3520:406:3920:40
6:39
#3269
10K
6.21 mi10:43:5141:566:4521:16
6:51
#4472
15K
9.32 mi11:05:091:03:146:4721:18
6:51
#4849
20K
12.43 mi11:27:441:25:496:5422:35
7:16
#5741
Half
13.11 mi11:32:551:31:006:565:11
7:36
#6008
25K
15.53 mi11:52:051:50:107:0619:10
7:54
#6724
30K
18.64 mi12:17:092:15:147:1525:04
8:04
#7325
20M
20.00 mi12:28:262:26:317:2011:17
8:18
#7632
21M
21.00 mi12:38:042:36:097:269:38
9:38
#8157
35K
21.75 mi12:45:052:43:107:307:01
9:23
#8655
23M
23.00 mi12:56:352:54:407:3611:30
9:11
#9197
24M
24.00 mi13:05:403:03:457:399:05
9:05
#9595
40K
24.85 mi13:13:483:11:537:438:08
9:31
#9997
25.2M
25.20 mi13:17:123:15:177:453:24
9:52
#10114
Finish
26.22 mi13:25:553:24:007:478:43
8:33
#10349
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3269308830885629(Top 21%)5171(Top 34%)5171(Top 98%)
10K6.21 mi3.10 mi4472-12034183-10954183-10955714(Top 21%)5235(Top 34%)5235(Top 99%)
15K9.32 mi3.11 mi4849-3774512-3294512-3295629(Top 21%)5171(Top 34%)5171(Top 98%)
20K12.43 mi3.11 mi5741-8925277-7655277-7657565(Top 28%)6609(Top 44%)6609(Top 125%)
Half13.11 mi0.68 mi6008-2675483-2065483-20610937(Top 41%)8576(Top 57%)8576(Top 162%)
25K15.53 mi2.42 mi6724-7166029-5466029-54611936(Top 45%)8875(Top 58%)8875(Top 168%)
30K18.64 mi3.11 mi7325-6016448-4196448-41911411(Top 43%)8538(Top 56%)8538(Top 162%)
20M20.00 mi1.36 mi7632-3076622-1746622-17412356(Top 46%)8839(Top 58%)8839(Top 167%)
21M21.00 mi1.00 mi8157-5256934-3126934-31216549(Top 62%)10580(Top 70%)10580(Top 200%)
35K21.75 mi0.75 mi8655-4987241-3077241-30719412(Top 73%)11771(Top 78%)11771(Top 223%)
23M23.00 mi1.25 mi9197-5427532-2917532-29116949(Top 64%)10658(Top 70%)10658(Top 202%)
24M24.00 mi1.00 mi9595-3987743-2117743-21117574(Top 66%)10881(Top 72%)10881(Top 206%)
40K24.85 mi0.85 mi9997-4027922-1797922-17918352(Top 69%)11189(Top 74%)11189(Top 212%)
25.2M25.20 mi0.35 mi10114-1177983-617983-6116728(Top 63%)10414(Top 69%)10414(Top 197%)
Finish26.22 mi1.02 mi10349-2358063-808063-8015696(Top 59%)10025(Top 66%)10025(Top 190%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5629

Males

5171

M18-39

5171

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5714

Males

5235

M18-39

5235

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5629

Males

5171

M18-39

5171

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7565

Males

6609

M18-39

6609

20K→Half

12.4 - 13.1 mi

Top 41%
×2stories
+19ft-37ft

Overall

10937

Males

8576

M18-39

8576

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

11936

Males

8875

M18-39

8875

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

11411

Males

8538

M18-39

8538

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

12356

Males

8839

M18-39

8839

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

16549

Males

10580

M18-39

10580

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

19412

Males

11771

M18-39

11771

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

16949

Males

10658

M18-39

10658

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

17574

Males

10881

M18-39

10881

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18352

Males

11189

M18-39

11189

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16728

Males

10414

M18-39

10414

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

15696

Males

10025

M18-39

10025

Passing Analysis

Category:
Athletes Passed
169
Passed By
7248
Net Change
-7080
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3269
5K → 10K71210-1203#3269#4472
10K → 15K38415-377#4472#4849
15K → 20K9901-892#4849#5741
20K → Half1268-267#5741#6008
Half → 25K8724-716#6008#6724
25K → 30K17618-601#6724#7325
30K → 20M19326-307#7325#7632
20M → 21M3528-525#7632#8157
21M → 35K3501-498#8157#8655
35K → 23M13555-542#8655#9197
23M → 24M9407-398#9197#9595
24M → 40K10412-402#9595#9997
40K → 25.2M13129-117#9997#10114
25.2M → Finish19254-235#10114#10349
TOTALS1697248-7080
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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