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BOSTON MARATHON 2023

Josh Embury

Bib: 971•M

OR

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
18:09
Rank: #444
Start → 5K
18:09 | 5:51/mi
10K· 6.21 mi
35:55
Rank: #387 (+57)
5K → 10K
17:46 | 5:43/mi
15K· 9.32 mi
53:55
Rank: #373 (+14)
10K → 15K
18:00 | 5:48/mi
20K· 12.43 mi
1:12:14
Rank: #376 (-3)
15K → 20K
18:19 | 5:54/mi
Half· 13.11 mi
1:16:10
Rank: #377 (-1)
20K → Half
3:56 | 5:46/mi
25K· 15.53 mi
1:30:34
Rank: #379 (-2)
Half → 25K
14:24 | 5:56/mi
30K· 18.64 mi
1:49:39
Rank: #390 (-11)
25K → 30K
19:05 | 6:09/mi
20M
1:57:57
Rank: #401 (-11)
30K → 20M
8:18 | 6:06/mi
21M
2:04:23
Rank: #405 (-4)
20M → 21M
6:26 | 6:26/mi
35K· 21.75 mi
2:08:46
Rank: #407 (-2)
21M → 35K
4:23 | 5:52/mi
23M
2:16:28
Rank: #403 (+4)
35K → 23M
7:42 | 6:09/mi
24M
2:22:28
Rank: #397 (+6)
23M → 24M
6:00 | 6:00/mi
40K· 24.85 mi
2:27:51
Rank: #401 (-4)
24M → 40K
5:23 | 6:18/mi
25.2M
2:30:11
Rank: #403 (-2)
40K → 25.2M
2:20 | 6:46/mi
Finish· 26.22 mi
2:36:33
Rank: #410 (-7)
25.2M → Finish
6:22 | 6:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:10
Pace5:49 /mi
2nd Half
Distance13.11 mi
Time1:20:23
Pace6:08 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:2118:095:5118:09
5:51
-
10K
6.21 mi10:36:0735:555:4717:46
5:43
-0:08
15K
9.32 mi10:54:0753:555:4718:00
5:48
+0:05
20K
12.43 mi11:12:261:12:145:4918:19
5:54
+0:06
Half
13.11 mi11:16:221:16:105:493:56
5:46
-0:08
25K
15.53 mi11:30:461:30:345:5014:24
5:56
+0:10
30K
18.64 mi11:49:511:49:395:5319:05
6:09
+0:13
20M
20.00 mi11:58:091:57:575:548:18
6:06
-0:03
21M
21.00 mi12:04:352:04:235:556:26
6:26
+0:20
35K
21.75 mi12:08:582:08:465:554:23
5:52
-0:34
23M
23.00 mi12:16:402:16:285:567:42
6:09
+0:17
24M
24.00 mi12:22:402:22:285:566:00
6:00
-0:09
40K
24.85 mi12:28:032:27:515:575:23
6:18
+0:18
25.2M
25.20 mi12:30:232:30:115:582:20
6:46
+0:28
Finish
26.22 mi12:36:452:36:335:596:22
6:15
-0:31

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

5:43 /mi

Average Pace

5:59 /mi

Slowest Pace

6:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:24

91% of race

Time at Steady Pace

11:49

8% of race

Time at Slower Pace

2:20

1% 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 mi10:18:2118:095:5118:09
5:51
#444
10K
6.21 mi10:36:0735:555:4717:46
5:43
#387
15K
9.32 mi10:54:0753:555:4718:00
5:48
#373
20K
12.43 mi11:12:261:12:145:4918:19
5:54
#376
Half
13.11 mi11:16:221:16:105:493:56
5:46
#377
25K
15.53 mi11:30:461:30:345:5014:24
5:56
#379
30K
18.64 mi11:49:511:49:395:5319:05
6:09
#390
20M
20.00 mi11:58:091:57:575:548:18
6:06
#401
21M
21.00 mi12:04:352:04:235:556:26
6:26
#405
35K
21.75 mi12:08:582:08:465:554:23
5:52
#407
23M
23.00 mi12:16:402:16:285:567:42
6:09
#403
24M
24.00 mi12:22:402:22:285:566:00
6:00
#397
40K
24.85 mi12:28:032:27:515:575:23
6:18
#401
25.2M
25.20 mi12:30:232:30:115:582:20
6:46
#403
Finish
26.22 mi12:36:452:36:335:596:22
6:15
#410
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi444409409364(Top 1%)331(Top 2%)331(Top 6%)
10K6.21 mi3.10 mi387+57352+57352+57332(Top 1%)298(Top 2%)298(Top 6%)
15K9.32 mi3.11 mi373+14339+13339+13364(Top 1%)331(Top 2%)331(Top 6%)
20K12.43 mi3.11 mi376-3341-2341-2413(Top 2%)379(Top 2%)379(Top 7%)
Half13.11 mi0.68 mi377-1343-2343-2358(Top 1%)329(Top 2%)329(Top 6%)
25K15.53 mi2.42 mi379-2347-4347-4448(Top 2%)414(Top 3%)414(Top 8%)
30K18.64 mi3.11 mi390-11358-11358-11569(Top 2%)533(Top 4%)533(Top 10%)
20M20.00 mi1.36 mi401-11369-11369-11487(Top 2%)453(Top 3%)453(Top 9%)
21M21.00 mi1.00 mi405-4373-4373-4533(Top 2%)499(Top 3%)499(Top 9%)
35K21.75 mi0.75 mi407-2374-1374-1443(Top 2%)409(Top 3%)409(Top 8%)
23M23.00 mi1.25 mi403+4369+5369+5532(Top 2%)501(Top 3%)501(Top 9%)
24M24.00 mi1.00 mi397+6363+6363+6537(Top 2%)507(Top 3%)507(Top 10%)
40K24.85 mi0.85 mi401-4367-4367-4864(Top 3%)817(Top 5%)817(Top 15%)
25.2M25.20 mi0.35 mi403-2369-2369-21010(Top 4%)957(Top 6%)957(Top 18%)
Finish26.22 mi1.02 mi410-7375-6375-61412(Top 5%)1335(Top 9%)1335(Top 25%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21stories
+97ft-345ft

Overall

364

Males

331

M18-39

331

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

332

Males

298

M18-39

298

10K→15K

6.2 - 9.3 mi

Top 1%
×3stories
+67ft-78ft

Overall

364

Males

331

M18-39

331

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

413

Males

379

M18-39

379

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

358

Males

329

M18-39

329

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

448

Males

414

M18-39

414

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

569

Males

533

M18-39

533

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

487

Males

453

M18-39

453

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

533

Males

499

M18-39

499

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

443

Males

409

M18-39

409

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

532

Males

501

M18-39

501

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

537

Males

507

M18-39

507

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

864

Males

817

M18-39

817

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1010

Males

957

M18-39

957

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1412

Males

1335

M18-39

1335

Passing Analysis

Category:
Athletes Passed
161
Passed By
127
Net Change
+34
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#444
5K → 10K592+57#444#387
10K → 15K184+14#387#373
15K → 20K1013-3#373#376
20K → Half23-1#376#377
Half → 25K1214-2#377#379
25K → 30K1122-11#379#390
30K → 20M314-11#390#401
20M → 21M610-4#401#405
21M → 35K13-2#405#407
35K → 23M117+4#407#403
23M → 24M115+6#403#397
24M → 40K812-4#397#401
40K → 25.2M57-2#401#403
25.2M → Finish411-7#403#410
TOTALS161127+34
📊

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