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BOSTON MARATHON 2023

John Sype

Bib: 15593•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 33%
Gender (Male)
#0 / 15176
Top 47%
Masters (Masters Men)
#0 / 9891
Top 36%
Division (M50-54)
#0 / 2052
Top 32%
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
7:30/mi
23:19
↑ 97↓ 3451.5%
10K· 6.21 mi
7:31/mi
46:39
↑ 79↓ 1380.4%
15K· 9.32 mi
7:23/mi
1:09:34
↑ 67↓ 78
20K· 12.43 mi
7:34/mi
1:33:03
↑ 106↓ 860.1%
Half· 13.11 mi
7:30/mi
1:38:10
↑ 19↓ 370.5%
25K· 15.53 mi
7:36/mi
1:56:36
↑ 66↓ 880.2%
30K· 18.64 mi
7:45/mi
2:20:41
↑ 181↓ 1480.2%
20M
7:47/mi
2:31:15
↑ 64↓ 500.2%
21M
8:00/mi
2:39:15
↑ 106↓ 241.6%
35K· 21.75 mi
7:29/mi
2:44:51
↑ 17↓ 861.7%
23M
7:46/mi
2:54:35
↑ 23↓ 630.6%
24M
7:33/mi
3:02:08
↓ 821.3%
40K· 24.85 mi
7:30/mi
3:08:33
↓ 200.3%
25.2M
7:56/mi
3:11:17
↑ 13↓ 160.2%
Finish· 26.22 mi
7:10/mi
3:18:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:10
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:40:25
Pace7:40 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:2823:197:3023:19
7:30
-
10K
6.21 mi11:16:4846:397:3023:20
7:31
+0:01
15K
9.32 mi11:39:431:09:347:2822:55
7:23
-0:08
20K
12.43 mi12:03:121:33:037:2923:29
7:34
+0:11
Half
13.11 mi12:08:191:38:107:295:07
7:30
-0:04
25K
15.53 mi12:26:451:56:367:3018:26
7:36
+0:06
30K
18.64 mi12:50:502:20:417:3324:05
7:45
+0:09
20M
20.00 mi13:01:242:31:157:3410:34
7:47
+0:02
21M
21.00 mi13:09:242:39:157:358:00
8:00
+0:13
35K
21.75 mi13:15:002:44:517:355:36
7:29
-0:31
23M
23.00 mi13:24:442:54:357:359:44
7:46
+0:17
24M
24.00 mi13:32:173:02:087:357:33
7:33
-0:13
40K
24.85 mi13:38:423:08:337:356:25
7:30
-0:03
25.2M
25.20 mi13:41:263:11:177:352:44
7:56
+0:26
Finish
26.22 mi13:48:443:18:357:357:18
7:10
-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

7:10 /mi

Average Pace

7:35 /mi

Slowest Pace

8:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:51

95% of race

Time at Steady Pace

10:44

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:34 /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 mi10:53:2823:197:3023:19
7:30
#9663
10K
6.21 mi11:16:4846:397:3023:20
7:31
#10093
15K
9.32 mi11:39:431:09:347:2822:55
7:23
#9711
20K
12.43 mi12:03:121:33:037:2923:29
7:34
#9705
Half
13.11 mi12:08:191:38:107:295:07
7:30
#9740
25K
15.53 mi12:26:451:56:367:3018:26
7:36
#9700
30K
18.64 mi12:50:502:20:417:3324:05
7:45
#9554
20M
20.00 mi13:01:242:31:157:3410:34
7:47
#9465
21M
21.00 mi13:09:242:39:157:358:00
8:00
#9283
35K
21.75 mi13:15:002:44:517:355:36
7:29
#9240
23M
23.00 mi13:24:442:54:357:359:44
7:46
#9156
24M
24.00 mi13:32:173:02:087:357:33
7:33
#9090
40K
24.85 mi13:38:423:08:337:356:25
7:30
#8968
25.2M
25.20 mi13:41:263:11:177:352:44
7:56
#8902
Finish
26.22 mi13:48:443:18:357:357:18
7:10
#8763
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi9663796279629136(Top 34%)7626(Top 50%)7626(Top 372%)
10K6.21 mi3.10 mi10093-4308199-2378199-23710518(Top 40%)8436(Top 56%)8436(Top 411%)
15K9.32 mi3.11 mi9711+3827984+2157984+2159136(Top 34%)7626(Top 50%)7626(Top 372%)
20K12.43 mi3.11 mi9705+67987-37987-39755(Top 37%)7930(Top 52%)7930(Top 386%)
Half13.11 mi0.68 mi9740-358001-148001-1410153(Top 38%)8165(Top 54%)8165(Top 398%)
25K15.53 mi2.42 mi9700+407961+407961+409542(Top 36%)7728(Top 51%)7728(Top 377%)
30K18.64 mi3.11 mi9554+1467838+1237838+1238992(Top 34%)7276(Top 48%)7276(Top 355%)
20M20.00 mi1.36 mi9465+897760+787760+788663(Top 33%)6996(Top 46%)6996(Top 341%)
21M21.00 mi1.00 mi9283+1827620+1407620+1407347(Top 28%)6092(Top 40%)6092(Top 297%)
35K21.75 mi0.75 mi9240+437582+387582+388429(Top 32%)6760(Top 45%)6760(Top 329%)
23M23.00 mi1.25 mi9156+847505+777505+778212(Top 31%)6530(Top 43%)6530(Top 318%)
24M24.00 mi1.00 mi9090+667449+567449+568031(Top 30%)6339(Top 42%)6339(Top 309%)
40K24.85 mi0.85 mi8968+1227356+937356+936763(Top 25%)5500(Top 36%)5500(Top 268%)
25.2M25.20 mi0.35 mi8902+667306+507306+506089(Top 23%)5020(Top 33%)5020(Top 245%)
Finish26.22 mi1.02 mi8763+1397200+1067200+1066187(Top 23%)5060(Top 33%)5060(Top 247%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9136

Males

7626

M50-54

7626

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

10518

Males

8436

M50-54

8436

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9136

Males

7626

M50-54

7626

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

9755

Males

7930

M50-54

7930

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

10153

Males

8165

M50-54

8165

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

9542

Males

7728

M50-54

7728

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

8992

Males

7276

M50-54

7276

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

8663

Males

6996

M50-54

6996

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7347

Males

6092

M50-54

6092

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

8429

Males

6760

M50-54

6760

35K→23M

21.8 - 23.0 mi

Top 31%
×5story building
+23ft-63ft

Overall

8212

Males

6530

M50-54

6530

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

8031

Males

6339

M50-54

6339

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6763

Males

5500

M50-54

5500

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6089

Males

5020

M50-54

5020

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6187

Males

5060

M50-54

5060

Passing Analysis

Category:
Athletes Passed
2067*
Passed By
1166
Net Change
+900
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9663
5K → 10K155584-430#9663#10093
10K → 15K425*43+382#10093#9711
15K → 20K153147+6#9711#9705
20K → Half1550-35#9705#9740
Half → 25K13494+40#9740#9700
25K → 30K241*95+146#9700#9554
30K → 20M12738+89#9554#9465
20M → 21M19210+182#9465#9283
21M → 35K6724+43#9283#9240
35K → 23M12238+84#9240#9156
23M → 24M9226+66#9156#9090
24M → 40K1286+122#9090#8968
40K → 25.2M704+66#8968#8902
25.2M → Finish1467+139#8902#8763
TOTALS2067*1166+900

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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