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BOSTON MARATHON 2023

Steve Zinecker

Bib: 15477•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 36%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 40%
Division (M50-54)
#0 / 2052
Top 38%
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
7:29/mi
23:14
↑ 97↓ 3451.5%
10K· 6.21 mi
7:34/mi
46:45
↑ 79↓ 1380.4%
15K· 9.32 mi
7:37/mi
1:10:25
↑ 67↓ 78
20K· 12.43 mi
7:37/mi
1:34:05
↑ 106↓ 860.1%
Half· 13.11 mi
7:26/mi
1:39:09
↑ 19↓ 370.5%
25K· 15.53 mi
7:32/mi
1:57:25
↑ 66↓ 880.2%
30K· 18.64 mi
7:42/mi
2:21:21
↑ 181↓ 1480.2%
20M
7:41/mi
2:31:48
↑ 64↓ 500.2%
21M
8:11/mi
2:39:59
↑ 106↓ 241.6%
35K· 21.75 mi
7:36/mi
2:45:40
↑ 17↓ 861.7%
23M
7:58/mi
2:55:38
↑ 23↓ 630.6%
24M
7:55/mi
3:03:33
↓ 821.3%
40K· 24.85 mi
8:07/mi
3:10:29
↓ 200.3%
25.2M
8:59/mi
3:13:35
↑ 13↓ 160.2%
Finish· 26.22 mi
7:51/mi
3:21:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:09
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:42:26
Pace7:49 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:2523:147:2923:14
7:29
-
10K
6.21 mi11:17:5646:457:3123:31
7:34
+0:05
15K
9.32 mi11:41:361:10:257:3323:40
7:37
+0:03
20K
12.43 mi12:05:161:34:057:3423:40
7:37
0:00
Half
13.11 mi12:10:201:39:097:345:04
7:26
-0:11
25K
15.53 mi12:28:361:57:257:3418:16
7:32
+0:06
30K
18.64 mi12:52:322:21:217:3523:56
7:42
+0:10
20M
20.00 mi13:02:592:31:487:3510:27
7:41
-0:01
21M
21.00 mi13:11:102:39:597:378:11
8:11
+0:30
35K
21.75 mi13:16:512:45:407:375:41
7:36
-0:35
23M
23.00 mi13:26:492:55:387:389:58
7:58
+0:22
24M
24.00 mi13:34:443:03:337:397:55
7:55
-0:03
40K
24.85 mi13:41:403:10:297:406:56
8:07
+0:12
25.2M
25.20 mi13:44:463:13:357:413:06
8:59
+0:52
Finish
26.22 mi13:52:463:21:357:428:00
7:51
-1:08

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

7:26 /mi

Average Pace

7:42 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

28:18

14% of race

Time at Steady Pace

2:17:11

68% of race

Time at Slower Pace

36:06

18% of race

Average Pace: 7:41 /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 mi10:54:2523:147:2923:14
7:29
#9431
10K
6.21 mi11:17:5646:457:3123:31
7:34
#10249
15K
9.32 mi11:41:361:10:257:3323:40
7:37
#10540
20K
12.43 mi12:05:161:34:057:3423:40
7:37
#10436
Half
13.11 mi12:10:201:39:097:345:04
7:26
#10391
25K
15.53 mi12:28:361:57:257:3418:16
7:32
#10117
30K
18.64 mi12:52:322:21:217:3523:56
7:42
#9840
20M
20.00 mi13:02:592:31:487:3510:27
7:41
#9664
21M
21.00 mi13:11:102:39:597:378:11
8:11
#9571
35K
21.75 mi13:16:512:45:407:375:41
7:36
#9540
23M
23.00 mi13:26:492:55:387:389:58
7:58
#9509
24M
24.00 mi13:34:443:03:337:397:55
7:55
#9541
40K
24.85 mi13:41:403:10:297:406:56
8:07
#9539
25.2M
25.20 mi13:44:463:13:357:413:06
8:59
#9569
Finish
26.22 mi13:52:463:21:357:428:00
7:51
#9612
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi94317830783011145(Top 42%)8698(Top 57%)8698(Top 424%)
10K6.21 mi3.10 mi10249-8188285-4558285-45511026(Top 41%)8686(Top 57%)8686(Top 423%)
15K9.32 mi3.11 mi10540-2918441-1568441-15611145(Top 42%)8698(Top 57%)8698(Top 424%)
20K12.43 mi3.11 mi10436+1048385+568385+5610206(Top 38%)8185(Top 54%)8185(Top 399%)
Half13.11 mi0.68 mi10391+458353+328353+329577(Top 36%)7858(Top 52%)7858(Top 383%)
25K15.53 mi2.42 mi10117+2748192+1618192+1619024(Top 34%)7453(Top 49%)7453(Top 363%)
30K18.64 mi3.11 mi9840+2778011+1818011+1818661(Top 33%)7078(Top 47%)7078(Top 345%)
20M20.00 mi1.36 mi9664+1767873+1387873+1388107(Top 30%)6667(Top 44%)6667(Top 325%)
21M21.00 mi1.00 mi9571+937802+717802+718524(Top 32%)6791(Top 45%)6791(Top 331%)
35K21.75 mi0.75 mi9540+317768+347768+349228(Top 35%)7205(Top 47%)7205(Top 351%)
23M23.00 mi1.25 mi9509+317727+417727+419463(Top 36%)7209(Top 48%)7209(Top 351%)
24M24.00 mi1.00 mi9541-327713+147713+1410615(Top 40%)7711(Top 51%)7711(Top 376%)
40K24.85 mi0.85 mi9539+27684+297684+2910729(Top 40%)7705(Top 51%)7705(Top 375%)
25.2M25.20 mi0.35 mi9569-307685-17685-112357(Top 46%)8420(Top 55%)8420(Top 410%)
Finish26.22 mi1.02 mi9612-437679+67679+611023(Top 41%)7799(Top 51%)7799(Top 380%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

11145

Males

8698

M50-54

8698

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

11026

Males

8686

M50-54

8686

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

11145

Males

8698

M50-54

8698

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10206

Males

8185

M50-54

8185

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

9577

Males

7858

M50-54

7858

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

9024

Males

7453

M50-54

7453

25K→30K

15.5 - 18.6 mi

Top 33%
×9story building
+181ft-148ft

Overall

8661

Males

7078

M50-54

7078

30K→20M

18.6 - 20.0 mi

Top 30%
×5story building
+64ft-50ft

Overall

8107

Males

6667

M50-54

6667

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

8524

Males

6791

M50-54

6791

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9228

Males

7205

M50-54

7205

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

9463

Males

7209

M50-54

7209

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

10615

Males

7711

M50-54

7711

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10729

Males

7705

M50-54

7705

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12357

Males

8420

M50-54

8420

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

11023

Males

7799

M50-54

7799

Passing Analysis

Category:
Athletes Passed
1695*
Passed By
1875
Net Change
-181
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9431
5K → 10K69886-818#9431#10249
10K → 15K91382-291#10249#10540
15K → 20K19692+104#10540#10436
20K → Half5510+45#10436#10391
Half → 25K29723+274#10391#10117
25K → 30K324*47+277#10117#9840
30K → 20M19216+176#9840#9664
20M → 21M12027+93#9664#9571
21M → 35K5726+31#9571#9540
35K → 23M10271+31#9540#9509
23M → 24M5789-32#9509#9541
24M → 40K58*56+2#9541#9539
40K → 25.2M2353-30#9539#9569
25.2M → Finish5497-43#9569#9612
TOTALS1695*1875-181

* 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