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BOSTON MARATHON 2023

Boris Juarez

Bib: 10624•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 31%
Gender (Male)
#0 / 15176
Top 45%
Masters (Masters Men)
#0 / 9891
Top 32%
Division (M50-54)
#0 / 2052
Top 28%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:25/mi
23:02
↑ 97↓ 3451.5%
10K· 6.21 mi
7:16/mi
45:38
↑ 79↓ 1380.4%
15K· 9.32 mi
7:17/mi
1:08:15
↑ 67↓ 78
20K· 12.43 mi
7:31/mi
1:31:36
↑ 106↓ 860.1%
Half· 13.11 mi
7:27/mi
1:36:41
↑ 19↓ 370.5%
25K· 15.53 mi
7:32/mi
1:54:56
↑ 66↓ 880.2%
30K· 18.64 mi
7:46/mi
2:19:03
↑ 181↓ 1480.2%
20M
7:41/mi
2:29:29
↑ 64↓ 500.2%
21M
8:07/mi
2:37:36
↑ 106↓ 241.6%
35K· 21.75 mi
7:24/mi
2:43:08
↑ 17↓ 861.7%
23M
7:52/mi
2:52:59
↑ 23↓ 630.6%
24M
7:30/mi
3:00:29
↓ 821.3%
40K· 24.85 mi
7:16/mi
3:06:42
↓ 200.3%
25.2M
7:32/mi
3:09:18
↑ 13↓ 160.2%
Finish· 26.22 mi
6:56/mi
3:16:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:41
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time1:39:41
Pace7:36 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:1723:027:2523:02
7:25
-
10K
6.21 mi11:11:5345:387:2122:36
7:16
-0:09
15K
9.32 mi11:34:301:08:157:1922:37
7:17
+0:01
20K
12.43 mi11:57:511:31:367:2223:21
7:31
+0:14
Half
13.11 mi12:02:561:36:417:225:05
7:27
-0:04
25K
15.53 mi12:21:111:54:567:2418:15
7:32
+0:05
30K
18.64 mi12:45:182:19:037:2824:07
7:46
+0:14
20M
20.00 mi12:55:442:29:297:2810:26
7:41
-0:05
21M
21.00 mi13:03:512:37:367:308:07
8:07
+0:26
35K
21.75 mi13:09:232:43:087:305:32
7:24
-0:43
23M
23.00 mi13:19:142:52:597:319:51
7:52
+0:28
24M
24.00 mi13:26:443:00:297:317:30
7:30
-0:22
40K
24.85 mi13:32:573:06:427:316:13
7:16
-0:14
25.2M
25.20 mi13:35:333:09:187:312:36
7:32
+0:16
Finish
26.22 mi13:42:373:16:227:307:04
6:56
-0:36

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

6:56 /mi

Average Pace

7:30 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:51

73% of race

Time at Steady Pace

52:31

27% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:29 /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 mi10:49:1723:027:2523:02
7:25
#8914
10K
6.21 mi11:11:5345:387:2122:36
7:16
#8746
15K
9.32 mi11:34:301:08:157:1922:37
7:17
#8622
20K
12.43 mi11:57:511:31:367:2223:21
7:31
#8771
Half
13.11 mi12:02:561:36:417:225:05
7:27
#8815
25K
15.53 mi12:21:111:54:567:2418:15
7:32
#8828
30K
18.64 mi12:45:182:19:037:2824:07
7:46
#8818
20M
20.00 mi12:55:442:29:297:2810:26
7:41
#8746
21M
21.00 mi13:03:512:37:367:308:07
8:07
#8684
35K
21.75 mi13:09:232:43:087:305:32
7:24
#8641
23M
23.00 mi13:19:142:52:597:319:51
7:52
#8623
24M
24.00 mi13:26:443:00:297:317:30
7:30
#8552
40K
24.85 mi13:32:573:06:427:316:13
7:16
#8394
25.2M
25.20 mi13:35:333:09:187:312:36
7:32
#8301
Finish
26.22 mi13:42:373:16:227:307:04
6:56
#8128
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi8914753975398393(Top 32%)7171(Top 47%)7171(Top 349%)
10K6.21 mi3.10 mi8746+1687430+1097430+1098662(Top 33%)7362(Top 49%)7362(Top 359%)
15K9.32 mi3.11 mi8622+1247340+907340+908393(Top 32%)7171(Top 47%)7171(Top 349%)
20K12.43 mi3.11 mi8771-1497422-827422-829420(Top 35%)7746(Top 51%)7746(Top 377%)
Half13.11 mi0.68 mi8815-447439-177439-179734(Top 37%)7927(Top 52%)7927(Top 386%)
25K15.53 mi2.42 mi8828-137432+77432+78954(Top 34%)7401(Top 49%)7401(Top 361%)
30K18.64 mi3.11 mi8818+107395+377395+379050(Top 34%)7310(Top 48%)7310(Top 356%)
20M20.00 mi1.36 mi8746+727328+677328+678008(Top 30%)6598(Top 43%)6598(Top 322%)
21M21.00 mi1.00 mi8684+627270+587270+588094(Top 30%)6530(Top 43%)6530(Top 318%)
35K21.75 mi0.75 mi8641+437232+387232+387749(Top 29%)6345(Top 42%)6345(Top 309%)
23M23.00 mi1.25 mi8623+187195+377195+378831(Top 33%)6874(Top 45%)6874(Top 335%)
24M24.00 mi1.00 mi8552+717130+657130+657687(Top 29%)6125(Top 40%)6125(Top 298%)
40K24.85 mi0.85 mi8394+1587013+1177013+1175269(Top 20%)4530(Top 30%)4530(Top 221%)
25.2M25.20 mi0.35 mi8301+936946+676946+674125(Top 15%)3667(Top 24%)3667(Top 179%)
Finish26.22 mi1.02 mi8128+1736820+1266820+1264841(Top 18%)4164(Top 27%)4164(Top 203%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

8393

Males

7171

M50-54

7171

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

8662

Males

7362

M50-54

7362

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

8393

Males

7171

M50-54

7171

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

9420

Males

7746

M50-54

7746

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

9734

Males

7927

M50-54

7927

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

8954

Males

7401

M50-54

7401

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

9050

Males

7310

M50-54

7310

30K→20M

18.6 - 20.0 mi

Top 30%
×5story building
+64ft-50ft

Overall

8008

Males

6598

M50-54

6598

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8094

Males

6530

M50-54

6530

21M→35K

21.0 - 21.8 mi

Top 29%
×7story building
+17ft-86ft

Overall

7749

Males

6345

M50-54

6345

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

8831

Males

6874

M50-54

6874

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

7687

Males

6125

M50-54

6125

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5269

Males

4530

M50-54

4530

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4125

Males

3667

M50-54

3667

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2story building
+22ft-21ft

Overall

4841

Males

4164

M50-54

4164

Passing Analysis

Category:
Athletes Passed
1824
Passed By
1038
Net Change
+786
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8914
5K → 10K350182+168#8914#8746
10K → 15K20278+124#8746#8622
15K → 20K84233-149#8622#8771
20K → Half1054-44#8771#8815
Half → 25K96109-13#8815#8828
25K → 30K172162+10#8828#8818
30K → 20M11543+72#8818#8746
20M → 21M10846+62#8746#8684
21M → 35K6219+43#8684#8641
35K → 23M8870+18#8641#8623
23M → 24M10332+71#8623#8552
24M → 40K1624+158#8552#8394
40K → 25.2M941+93#8394#8301
25.2M → Finish1785+173#8301#8128
TOTALS18241038+786
📊

Passing Visuals

Category:
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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