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BOSTON MARATHON 2023

Andrew Szendey

MA

Bib: 27887 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
10:40/mi
33:09
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
10:02/mi
1:04:19
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
10:30/mi
1:36:56
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
10:18/mi
2:08:57
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:57/mi
2:15:44
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:59/mi
2:39:56
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:09/mi
3:11:28
↑ 181↓ 1480.2%
138 ft elev
20M
10:15/mi
3:25:24
↑ 64↓ 500.2%
148 ft elev
21M
11:12/mi
3:36:36
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
10:26/mi
3:44:24
↑ 17↓ 861.7%
156 ft elev
23M
10:41/mi
3:57:46
↑ 23↓ 630.6%
116 ft elev
24M
10:03/mi
4:07:49
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:37/mi
4:16:54
↓ 200.3%
20 ft elev
25.2M
11:42/mi
4:20:56
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
10:43/mi
4:31:51
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
2:15:4410:21 /mi⚖️ balanced
2nd Half
2:16:0710:23 /mi⚖️ balanced
Even split — consistent pacing between halves
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:2433:0910:4033:09
10:40
-
10K
6.21 mi12:21:341:04:1910:2131:10
10:02
-0:38
15K
9.32 mi12:54:111:36:5610:2432:37
10:30
+0:28
20K
12.43 mi13:26:122:08:5710:2332:01
10:18
-0:12
Half
13.11 mi13:32:592:15:4410:216:47
9:57
-0:21
25K
15.53 mi13:57:112:39:5610:1824:12
9:59
+0:02
30K
18.64 mi14:28:433:11:2810:1631:32
10:09
+0:10
20M
20.00 mi14:42:393:25:2410:1613:56
10:15
+0:06
21M
21.00 mi14:53:513:36:3610:1911:12
11:12
+0:57
35K
21.75 mi15:01:393:44:2410:197:48
10:26
-0:46
23M
23.00 mi15:15:013:57:4610:2013:22
10:41
+0:15
24M
24.00 mi15:25:044:07:4910:2010:03
10:03
-0:38
40K
24.85 mi15:34:094:16:5410:209:05
10:37
+0:34
25.2M
25.20 mi15:38:114:20:5610:214:02
11:42
+1:05
Finish
26.22 mi15:49:064:31:5110:2310:55
10:43
-0:59

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

9:57 /mi

Average Pace

10:23 /mi

Slowest Pace

11:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:16:37

94% of race

Time at Steady Pace

15:14

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:22 /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 mi11:50:2433:0910:4033:09
10:40
#25112
10K
6.21 mi12:21:341:04:1910:2131:10
10:02
#24392
15K
9.32 mi12:54:111:36:5610:2432:37
10:30
#24429
20K
12.43 mi13:26:122:08:5710:2332:01
10:18
#24174
Half
13.11 mi13:32:592:15:4410:216:47
9:57
#24113
25K
15.53 mi13:57:112:39:5610:1824:12
9:59
#23764
30K
18.64 mi14:28:433:11:2810:1631:32
10:09
#23374
20M
20.00 mi14:42:393:25:2410:1613:56
10:15
#23221
21M
21.00 mi14:53:513:36:3610:1911:12
11:12
#23129
35K
21.75 mi15:01:393:44:2410:197:48
10:26
#23100
23M
23.00 mi15:15:013:57:4610:2013:22
10:41
#22992
24M
24.00 mi15:25:044:07:4910:2010:03
10:03
#22910
40K
24.85 mi15:34:094:16:5410:209:05
10:37
#22859
25.2M
25.20 mi15:38:114:20:5610:214:02
11:42
#22849
Finish
26.22 mi15:49:064:31:5110:2310:55
10:43
#22877
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi251121459214592244471427614276
10K6.21 mi3.10 mi24392+72014270+32214270+322237481396713967
15K9.32 mi3.11 mi24429-3714284-1414284-14244471427614276
20K12.43 mi3.11 mi24174+25514165+11914165+119234741384013840
Half13.11 mi0.68 mi24113+6114129+3614129+36231461368613686
25K15.53 mi2.42 mi23764+34913973+15613973+156221731322213222
30K18.64 mi3.11 mi23374+39013775+19813775+198214151281112811
20M20.00 mi1.36 mi23221+15313688+8713688+87211491263512635
21M21.00 mi1.00 mi23129+9213629+5913629+59212681264212642
35K21.75 mi0.75 mi23100+2913609+2013609+20222311303113031
23M23.00 mi1.25 mi22992+10813550+5913550+59217021277412774
24M24.00 mi1.00 mi22910+8213501+4913501+49209231240612406
40K24.85 mi0.85 mi22859+5113470+3113470+31215231260212602
25.2M25.20 mi0.35 mi22849+1013466+413466+4219471282412824
Finish26.22 mi1.02 mi22877-2813467-113467-1234341354213542

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

24447

Males

14276

M60-64

14276

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

23748

Males

13967

M60-64

13967

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

24447

Males

14276

M60-64

14276

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

23474

Males

13840

M60-64

13840

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

23146

Males

13686

M60-64

13686

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

22173

Males

13222

M60-64

13222

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

21415

Males

12811

M60-64

12811

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

21149

Males

12635

M60-64

12635

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

21268

Males

12642

M60-64

12642

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

22231

Males

13031

M60-64

13031

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

21702

Males

12774

M60-64

12774

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

20923

Males

12406

M60-64

12406

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21523

Males

12602

M60-64

12602

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21947

Males

12824

M60-64

12824

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

23434

Males

13542

M60-64

13542

Passing Analysis

Category:
Athletes Passed
2533
Passed By
298
Net Change
+2235
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25112
5K → 10K73515+720#25112#24392
10K → 15K115152-37#24392#24429
15K → 20K26813+255#24429#24174
20K → Half654+61#24174#24113
Half → 25K3512+349#24113#23764
25K → 30K3933+390#23764#23374
30K → 20M1574+153#23374#23221
20M → 21M1019+92#23221#23129
21M → 35K3910+29#23129#23100
35K → 23M1168+108#23100#22992
23M → 24M9614+82#22992#22910
24M → 40K6110+51#22910#22859
40K → 25.2M166+10#22859#22849
25.2M → Finish2048-28#22849#22877
TOTALS2533298+2235

Passing Charts

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