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BOSTON MARATHON 2023

Jacob Schlindwein

Bib: 670•M

WI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 1%
Gender (Male)
#0 / 15176
Top 2%
Division (M18-39)
#0 / 5285
Top 5%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:04
Rank: #408
Start → 5K
18:04 | 5:49/mi
10K· 6.21 mi
36:05
Rank: #411 (-3)
5K → 10K
18:01 | 5:48/mi
15K· 9.32 mi
54:09
Rank: #393 (+18)
10K → 15K
18:04 | 5:49/mi
20K· 12.43 mi
1:12:19
Rank: #383 (+10)
15K → 20K
18:10 | 5:51/mi
Half· 13.11 mi
1:16:14
Rank: #379 (+4)
20K → Half
3:55 | 5:44/mi
25K· 15.53 mi
1:30:25
Rank: #365 (+14)
Half → 25K
14:11 | 5:51/mi
30K· 18.64 mi
1:48:57
Rank: #352 (+13)
25K → 30K
18:32 | 5:58/mi
20M
1:57:05
Rank: #344 (+8)
30K → 20M
8:08 | 5:59/mi
21M
2:03:23
Rank: #338 (+6)
20M → 21M
6:18 | 6:18/mi
35K· 21.75 mi
2:07:45
Rank: #335 (+3)
21M → 35K
4:22 | 5:50/mi
23M
2:15:20
Rank: #332 (+3)
35K → 23M
7:35 | 6:03/mi
24M
2:21:16
Rank: #331 (+1)
23M → 24M
5:56 | 5:56/mi
40K· 24.85 mi
2:26:31
Rank: #330 (+1)
24M → 40K
5:15 | 6:08/mi
25.2M
2:28:47
Rank: #325 (+5)
40K → 25.2M
2:16 | 6:34/mi
Finish· 26.22 mi
2:34:42
Rank: #314 (+11)
25.2M → Finish
5:55 | 5:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:14
Pace5:49 /mi
2nd Half
Distance13.11 mi
Time1:18:28
Pace5:59 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:1318:045:4918:04
5:49
-
10K
6.21 mi10:36:1436:055:4818:01
5:48
-0:01
15K
9.32 mi10:54:1854:095:4918:04
5:49
+0:01
20K
12.43 mi11:12:281:12:195:4918:10
5:51
+0:02
Half
13.11 mi11:16:231:16:145:493:55
5:44
-0:07
25K
15.53 mi11:30:341:30:255:4914:11
5:51
+0:07
30K
18.64 mi11:49:061:48:575:5118:32
5:58
+0:07
20M
20.00 mi11:57:141:57:055:518:08
5:59
+0:01
21M
21.00 mi12:03:322:03:235:536:18
6:18
+0:19
35K
21.75 mi12:07:542:07:455:524:22
5:50
-0:28
23M
23.00 mi12:15:292:15:205:537:35
6:03
+0:13
24M
24.00 mi12:21:252:21:165:535:56
5:56
-0:07
40K
24.85 mi12:26:402:26:315:545:15
6:08
+0:12
25.2M
25.20 mi12:28:562:28:475:542:16
6:34
+0:26
Finish
26.22 mi12:34:512:34:425:545:55
5:48
-0:46

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

5:44 /mi

Average Pace

5:54 /mi

Slowest Pace

6:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:26

99% of race

Time at Steady Pace

2:16

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:54 /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 mi10:18:1318:045:4918:04
5:49
#408
10K
6.21 mi10:36:1436:055:4818:01
5:48
#411
15K
9.32 mi10:54:1854:095:4918:04
5:49
#393
20K
12.43 mi11:12:281:12:195:4918:10
5:51
#383
Half
13.11 mi11:16:231:16:145:493:55
5:44
#379
25K
15.53 mi11:30:341:30:255:4914:11
5:51
#365
30K
18.64 mi11:49:061:48:575:5118:32
5:58
#352
20M
20.00 mi11:57:141:57:055:518:08
5:59
#344
21M
21.00 mi12:03:322:03:235:536:18
6:18
#338
35K
21.75 mi12:07:542:07:455:524:22
5:50
#335
23M
23.00 mi12:15:292:15:205:537:35
6:03
#332
24M
24.00 mi12:21:252:21:165:535:56
5:56
#331
40K
24.85 mi12:26:402:26:315:545:15
6:08
#330
25.2M
25.20 mi12:28:562:28:475:542:16
6:34
#325
Finish
26.22 mi12:34:512:34:425:545:55
5:48
#314
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi408373373382(Top 1%)348(Top 2%)348(Top 7%)
10K6.21 mi3.10 mi411-3376-3376-3425(Top 2%)390(Top 3%)390(Top 7%)
15K9.32 mi3.11 mi393+18358+18358+18382(Top 1%)348(Top 2%)348(Top 7%)
20K12.43 mi3.11 mi383+10348+10348+10348(Top 1%)316(Top 2%)316(Top 6%)
Half13.11 mi0.68 mi379+4345+3345+3314(Top 1%)290(Top 2%)290(Top 5%)
25K15.53 mi2.42 mi365+14333+12333+12337(Top 1%)309(Top 2%)309(Top 6%)
30K18.64 mi3.11 mi352+13320+13320+13342(Top 1%)315(Top 2%)315(Top 6%)
20M20.00 mi1.36 mi344+8312+8312+8326(Top 1%)301(Top 2%)301(Top 6%)
21M21.00 mi1.00 mi338+6306+6306+6345(Top 1%)318(Top 2%)318(Top 6%)
35K21.75 mi0.75 mi335+3304+2304+2414(Top 2%)383(Top 3%)383(Top 7%)
23M23.00 mi1.25 mi332+3301+3301+3374(Top 1%)348(Top 2%)348(Top 7%)
24M24.00 mi1.00 mi331+1300+1300+1424(Top 2%)397(Top 3%)397(Top 8%)
40K24.85 mi0.85 mi330+1299+1299+1544(Top 2%)513(Top 3%)513(Top 10%)
25.2M25.20 mi0.35 mi325+5295+4295+4589(Top 2%)556(Top 4%)556(Top 11%)
Finish26.22 mi1.02 mi314+11283+12283+12379(Top 1%)360(Top 2%)360(Top 7%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21stories
+97ft-345ft

Overall

382

Males

348

M18-39

348

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

425

Males

390

M18-39

390

10K→15K

6.2 - 9.3 mi

Top 1%
×3stories
+67ft-78ft

Overall

382

Males

348

M18-39

348

15K→20K

9.3 - 12.4 mi

Top 1%
×5stories
+106ft-86ft

Overall

348

Males

316

M18-39

316

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

314

Males

290

M18-39

290

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

337

Males

309

M18-39

309

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

342

Males

315

M18-39

315

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

326

Males

301

M18-39

301

20M→21M

20.0 - 21.0 mi

Top 1%
×8stories
+106ft-24ft

Overall

345

Males

318

M18-39

318

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

414

Males

383

M18-39

383

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

374

Males

348

M18-39

348

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

424

Males

397

M18-39

397

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

544

Males

513

M18-39

513

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

589

Males

556

M18-39

556

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

379

Males

360

M18-39

360

Passing Analysis

Category:
Athletes Passed
170
Passed By
76
Net Change
+94
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#408
5K → 10K2023-3#408#411
10K → 15K213+18#411#393
15K → 20K155+10#393#383
20K → Half40+4#383#379
Half → 25K206+14#379#365
25K → 30K218+13#365#352
30K → 20M91+8#352#344
20M → 21M93+6#344#338
21M → 35K74+3#338#335
35K → 23M107+3#335#332
23M → 24M65+1#332#331
24M → 40K87+1#331#330
40K → 25.2M61+5#330#325
25.2M → Finish143+11#325#314
TOTALS17076+94
📊

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