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BOSTON MARATHON 2023

Jacob Sjogren

Bib: 944•M

MI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 2%
Division (M18-39)
#0 / 5285
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:10
Rank: #454
Start → 5K
18:10 | 5:51/mi
10K· 6.21 mi
36:18
Rank: #455 (-1)
5K → 10K
18:08 | 5:50/mi
15K· 9.32 mi
54:36
Rank: #458 (-3)
10K → 15K
18:18 | 5:53/mi
20K· 12.43 mi
1:12:53
Rank: #434 (+24)
15K → 20K
18:17 | 5:53/mi
Half· 13.11 mi
1:16:51
Rank: #431 (+3)
20K → Half
3:58 | 5:49/mi
25K· 15.53 mi
1:31:05
Rank: #423 (+8)
Half → 25K
14:14 | 5:52/mi
30K· 18.64 mi
1:49:40
Rank: #393 (+30)
25K → 30K
18:35 | 5:59/mi
20M
1:58:00
Rank: #403 (-10)
30K → 20M
8:20 | 6:08/mi
21M
2:04:26
Rank: #407 (-4)
20M → 21M
6:26 | 6:26/mi
35K· 21.75 mi
2:08:52
Rank: #411 (-4)
21M → 35K
4:26 | 5:56/mi
23M
2:16:37
Rank: #412 (-1)
35K → 23M
7:45 | 6:11/mi
24M
2:22:38
Rank: #408 (+4)
23M → 24M
6:01 | 6:01/mi
40K· 24.85 mi
2:27:52
Rank: #406 (+2)
24M → 40K
5:14 | 6:07/mi
25.2M
2:30:11
Rank: #404 (+2)
40K → 25.2M
2:19 | 6:43/mi
Finish· 26.22 mi
2:36:33
Rank: #411 (-7)
25.2M → Finish
6:22 | 6:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:51
Pace5:52 /mi
2nd Half
Distance13.11 mi
Time1:19:42
Pace6:05 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:2218:105:5118:10
5:51
-
10K
6.21 mi10:36:3036:185:5118:08
5:50
-0:01
15K
9.32 mi10:54:4854:365:5118:18
5:53
+0:03
20K
12.43 mi11:13:051:12:535:5218:17
5:53
0:00
Half
13.11 mi11:17:031:16:515:523:58
5:49
-0:04
25K
15.53 mi11:31:171:31:055:5214:14
5:52
+0:03
30K
18.64 mi11:49:521:49:405:5318:35
5:59
+0:07
20M
20.00 mi11:58:121:58:005:548:20
6:08
+0:09
21M
21.00 mi12:04:382:04:265:566:26
6:26
+0:18
35K
21.75 mi12:09:042:08:525:564:26
5:56
-0:30
23M
23.00 mi12:16:492:16:375:567:45
6:11
+0:15
24M
24.00 mi12:22:502:22:385:576:01
6:01
-0:10
40K
24.85 mi12:28:042:27:525:575:14
6:07
+0:06
25.2M
25.20 mi12:30:232:30:115:582:19
6:43
+0:36
Finish
26.22 mi12:36:452:36:335:596:22
6:15
-0:28

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

5:49 /mi

Average Pace

5:59 /mi

Slowest Pace

6:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:48

94% of race

Time at Steady Pace

8:45

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:58 /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 mi10:18:2218:105:5118:10
5:51
#454
10K
6.21 mi10:36:3036:185:5118:08
5:50
#455
15K
9.32 mi10:54:4854:365:5118:18
5:53
#458
20K
12.43 mi11:13:051:12:535:5218:17
5:53
#434
Half
13.11 mi11:17:031:16:515:523:58
5:49
#431
25K
15.53 mi11:31:171:31:055:5214:14
5:52
#423
30K
18.64 mi11:49:521:49:405:5318:35
5:59
#393
20M
20.00 mi11:58:121:58:005:548:20
6:08
#403
21M
21.00 mi12:04:382:04:265:566:26
6:26
#407
35K
21.75 mi12:09:042:08:525:564:26
5:56
#411
23M
23.00 mi12:16:492:16:375:567:45
6:11
#412
24M
24.00 mi12:22:502:22:385:576:01
6:01
#408
40K
24.85 mi12:28:042:27:525:575:14
6:07
#406
25.2M
25.20 mi12:30:232:30:115:582:19
6:43
#404
Finish
26.22 mi12:36:452:36:335:596:22
6:15
#411
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi454419419489(Top 2%)452(Top 3%)452(Top 9%)
10K6.21 mi3.10 mi455-1420-1420-1481(Top 2%)445(Top 3%)445(Top 8%)
15K9.32 mi3.11 mi458-3423-3423-3489(Top 2%)452(Top 3%)452(Top 9%)
20K12.43 mi3.11 mi434+24399+24399+24401(Top 2%)368(Top 2%)368(Top 7%)
Half13.11 mi0.68 mi431+3396+3396+3413(Top 2%)382(Top 3%)382(Top 7%)
25K15.53 mi2.42 mi423+8388+8388+8354(Top 1%)326(Top 2%)326(Top 6%)
30K18.64 mi3.11 mi393+30361+27361+27364(Top 1%)335(Top 2%)335(Top 6%)
20M20.00 mi1.36 mi403-10371-10371-10528(Top 2%)494(Top 3%)494(Top 9%)
21M21.00 mi1.00 mi407-4375-4375-4534(Top 2%)500(Top 3%)500(Top 9%)
35K21.75 mi0.75 mi411-4377-2377-2541(Top 2%)503(Top 3%)503(Top 10%)
23M23.00 mi1.25 mi412-1378-1378-1591(Top 2%)557(Top 4%)557(Top 11%)
24M24.00 mi1.00 mi408+4374+4374+4567(Top 2%)537(Top 4%)537(Top 10%)
40K24.85 mi0.85 mi406+2372+2372+2505(Top 2%)476(Top 3%)476(Top 9%)
25.2M25.20 mi0.35 mi404+2370+2370+2894(Top 3%)850(Top 6%)850(Top 16%)
Finish26.22 mi1.02 mi411-7376-6376-61413(Top 5%)1336(Top 9%)1336(Top 25%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

489

Males

452

M18-39

452

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

481

Males

445

M18-39

445

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

489

Males

452

M18-39

452

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

401

Males

368

M18-39

368

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

413

Males

382

M18-39

382

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

354

Males

326

M18-39

326

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

364

Males

335

M18-39

335

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

528

Males

494

M18-39

494

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

534

Males

500

M18-39

500

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

541

Males

503

M18-39

503

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

591

Males

557

M18-39

557

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

567

Males

537

M18-39

537

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

505

Males

476

M18-39

476

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

894

Males

850

M18-39

850

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1413

Males

1336

M18-39

1336

Passing Analysis

Category:
Athletes Passed
168
Passed By
125
Net Change
+43
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#454
5K → 10K2425-1#454#455
10K → 15K1922-3#455#458
15K → 20K262+24#458#434
20K → Half52+3#434#431
Half → 25K135+8#431#423
25K → 30K333+30#423#393
30K → 20M313-10#393#403
20M → 21M59-4#403#407
21M → 35K15-4#407#411
35K → 23M910-1#411#412
23M → 24M106+4#412#408
24M → 40K108+2#408#406
40K → 25.2M64+2#406#404
25.2M → Finish411-7#404#411
TOTALS168125+43
📊

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