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BOSTON MARATHON 2023

João Barnewitz

Bib: 661•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 3%
Masters (Masters Men)
#0 / 9891
Top 0.5%
Division (M40-44)
#0 / 2241
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:48
Rank: #288
Start → 5K
17:48 | 5:44/mi
10K· 6.21 mi
35:26
Rank: #305 (-17)
5K → 10K
17:38 | 5:41/mi
15K· 9.32 mi
53:19
Rank: #314 (-9)
10K → 15K
17:53 | 5:45/mi
20K· 12.43 mi
1:12:44
Rank: #422 (-108)
15K → 20K
19:25 | 6:15/mi
Half· 13.11 mi
1:16:47
Rank: #426 (-4)
20K → Half
4:03 | 5:56/mi
25K· 15.53 mi
1:31:27
Rank: #454 (-28)
Half → 25K
14:40 | 6:03/mi
30K· 18.64 mi
1:50:33
Rank: #473 (-19)
25K → 30K
19:06 | 6:09/mi
20M
1:58:48
Rank: #461 (+12)
30K → 20M
8:15 | 6:04/mi
21M
2:05:11
Rank: #454 (+7)
20M → 21M
6:23 | 6:23/mi
35K· 21.75 mi
2:09:37
Rank: #453 (+1)
21M → 35K
4:26 | 5:56/mi
23M
2:17:29
Rank: #454 (-1)
35K → 23M
7:52 | 6:17/mi
24M
2:23:34
Rank: #459 (-5)
23M → 24M
6:05 | 6:05/mi
40K· 24.85 mi
2:28:56
Rank: #464 (-5)
24M → 40K
5:22 | 6:17/mi
25.2M
2:31:14
Rank: #457 (+7)
40K → 25.2M
2:18 | 6:40/mi
Finish· 26.22 mi
2:37:38
Rank: #467 (-10)
25.2M → Finish
6:24 | 6:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:47
Pace5:51 /mi
2nd Half
Distance13.11 mi
Time1:20:51
Pace6:10 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:5217:485:4417:48
5:44
-
10K
6.21 mi10:35:3035:265:4217:38
5:41
-0:03
15K
9.32 mi10:53:2353:195:4317:53
5:45
+0:04
20K
12.43 mi11:12:481:12:445:5119:25
6:15
+0:30
Half
13.11 mi11:16:511:16:475:514:03
5:56
-0:19
25K
15.53 mi11:31:311:31:275:5314:40
6:03
+0:07
30K
18.64 mi11:50:371:50:335:5619:06
6:09
+0:06
20M
20.00 mi11:58:521:58:485:568:15
6:04
-0:05
21M
21.00 mi12:05:152:05:115:586:23
6:23
+0:19
35K
21.75 mi12:09:412:09:375:584:26
5:56
-0:27
23M
23.00 mi12:17:332:17:295:597:52
6:17
+0:21
24M
24.00 mi12:23:382:23:345:596:05
6:05
-0:12
40K
24.85 mi12:29:002:28:566:005:22
6:17
+0:12
25.2M
25.20 mi12:31:182:31:146:002:18
6:40
+0:23
Finish
26.22 mi12:37:422:37:386:016:24
6:17
-0:23

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

5:41 /mi

Average Pace

6:01 /mi

Slowest Pace

6:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:19

82% of race

Time at Steady Pace

28:19

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:01 /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 mi10:17:5217:485:4417:48
5:44
#288
10K
6.21 mi10:35:3035:265:4217:38
5:41
#305
15K
9.32 mi10:53:2353:195:4317:53
5:45
#314
20K
12.43 mi11:12:481:12:445:5119:25
6:15
#422
Half
13.11 mi11:16:511:16:475:514:03
5:56
#426
25K
15.53 mi11:31:311:31:275:5314:40
6:03
#454
30K
18.64 mi11:50:371:50:335:5619:06
6:09
#473
20M
20.00 mi11:58:521:58:485:568:15
6:04
#461
21M
21.00 mi12:05:152:05:115:586:23
6:23
#454
35K
21.75 mi12:09:412:09:375:584:26
5:56
#453
23M
23.00 mi12:17:332:17:295:597:52
6:17
#454
24M
24.00 mi12:23:382:23:345:596:05
6:05
#459
40K
24.85 mi12:29:002:28:566:005:22
6:17
#464
25.2M
25.20 mi12:31:182:31:146:002:18
6:40
#457
Finish
26.22 mi12:37:422:37:386:016:24
6:17
#467
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi288286286331(Top 1%)298(Top 2%)298(Top 13%)
10K6.21 mi3.10 mi305-17276+10276+10276(Top 1%)246(Top 2%)246(Top 11%)
15K9.32 mi3.11 mi314-9283-7283-7331(Top 1%)298(Top 2%)298(Top 13%)
20K12.43 mi3.11 mi422-108387-104387-1041197(Top 4%)1144(Top 8%)1144(Top 51%)
Half13.11 mi0.68 mi426-4391-4391-4602(Top 2%)564(Top 4%)564(Top 25%)
25K15.53 mi2.42 mi454-28418-27418-27617(Top 2%)576(Top 4%)576(Top 26%)
30K18.64 mi3.11 mi473-19435-17435-17579(Top 2%)543(Top 4%)543(Top 24%)
20M20.00 mi1.36 mi461+12426+9426+9440(Top 2%)406(Top 3%)406(Top 18%)
21M21.00 mi1.00 mi454+7419+7419+7458(Top 2%)425(Top 3%)425(Top 19%)
35K21.75 mi0.75 mi453+1418+1418+1546(Top 2%)508(Top 3%)508(Top 23%)
23M23.00 mi1.25 mi454-1418418780(Top 3%)739(Top 5%)739(Top 33%)
24M24.00 mi1.00 mi459-5423-5423-5713(Top 3%)675(Top 4%)675(Top 30%)
40K24.85 mi0.85 mi464-5428-5428-5816(Top 3%)772(Top 5%)772(Top 34%)
25.2M25.20 mi0.35 mi457+7421+7421+7778(Top 3%)739(Top 5%)739(Top 33%)
Finish26.22 mi1.02 mi467-10432-11432-111521(Top 6%)1436(Top 9%)1436(Top 64%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21stories
+97ft-345ft

Overall

331

Males

298

M40-44

298

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

276

Males

246

M40-44

246

10K→15K

6.2 - 9.3 mi

Top 1%
×3stories
+67ft-78ft

Overall

331

Males

298

M40-44

298

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1197

Males

1144

M40-44

1144

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

602

Males

564

M40-44

564

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

617

Males

576

M40-44

576

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

579

Males

543

M40-44

543

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

440

Males

406

M40-44

406

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

458

Males

425

M40-44

425

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

546

Males

508

M40-44

508

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

780

Males

739

M40-44

739

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

713

Males

675

M40-44

675

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

816

Males

772

M40-44

772

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

778

Males

739

M40-44

739

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1521

Males

1436

M40-44

1436

Passing Analysis

Category:
Athletes Passed
109
Passed By
288
Net Change
-179
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#288
5K → 10K1835-17#288#305
10K → 15K716-9#305#314
15K → 20K0108-108#314#422
20K → Half37-4#422#426
Half → 25K129-28#426#454
25K → 30K1837-19#454#473
30K → 20M153+12#473#461
20M → 21M92+7#461#454
21M → 35K43+1#454#453
35K → 23M1112-1#453#454
23M → 24M49-5#454#459
24M → 40K49-5#459#464
40K → 25.2M70+7#464#457
25.2M → Finish818-10#457#467
TOTALS109288-179
📊

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