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BOSTON MARATHON 2023

Steven Zelenka

Bib: 3513•M

OH

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0:00
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Overall
#0 / 26622
Top 21%
Gender (Male)
#0 / 15176
Top 34%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:13
Rank: #7170
Start → 5K
22:13 | 7:09/mi
10K· 6.21 mi
43:42
Rank: #6686 (+484)
5K → 10K
21:29 | 6:55/mi
15K· 9.32 mi
1:05:14
Rank: #6507 (+179)
10K → 15K
21:32 | 6:56/mi
20K· 12.43 mi
1:26:49
Rank: #6265 (+242)
15K → 20K
21:35 | 6:57/mi
Half· 13.11 mi
1:31:29
Rank: #6236 (+29)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:48:25
Rank: #6082 (+154)
Half → 25K
16:56 | 6:59/mi
30K· 18.64 mi
2:10:51
Rank: #5935 (+147)
25K → 30K
22:26 | 7:13/mi
20M
2:20:46
Rank: #5884 (+51)
30K → 20M
9:55 | 7:18/mi
21M
2:28:31
Rank: #5833 (+51)
20M → 21M
7:45 | 7:45/mi
35K· 21.75 mi
2:33:57
Rank: #5845 (-12)
21M → 35K
5:26 | 7:16/mi
23M
2:43:06
Rank: #5767 (+78)
35K → 23M
9:09 | 7:18/mi
24M
2:50:25
Rank: #5741 (+26)
23M → 24M
7:19 | 7:19/mi
40K· 24.85 mi
2:56:42
Rank: #5692 (+49)
24M → 40K
6:17 | 7:21/mi
25.2M
2:59:26
Rank: #5675 (+17)
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
3:06:47
Rank: #5647 (+28)
25.2M → Finish
7:21 | 7:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:29
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time1:35:18
Pace7:16 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4822:137:0922:13
7:09
-
10K
6.21 mi10:45:1743:427:0221:29
6:55
-0:14
15K
9.32 mi11:06:491:05:147:0021:32
6:56
+0:01
20K
12.43 mi11:28:241:26:496:5921:35
6:57
+0:01
Half
13.11 mi11:33:041:31:296:594:40
6:50
-0:07
25K
15.53 mi11:50:001:48:256:5916:56
6:59
+0:09
30K
18.64 mi12:12:262:10:517:0122:26
7:13
+0:14
20M
20.00 mi12:22:212:20:467:029:55
7:18
+0:05
21M
21.00 mi12:30:062:28:317:047:45
7:45
+0:27
35K
21.75 mi12:35:322:33:577:055:26
7:16
-0:29
23M
23.00 mi12:44:412:43:067:059:09
7:18
+0:02
24M
24.00 mi12:52:002:50:257:067:19
7:19
+0:01
40K
24.85 mi12:58:172:56:427:076:17
7:21
+0:02
25.2M
25.20 mi13:01:012:59:267:072:44
7:56
+0:35
Finish
26.22 mi13:08:223:06:477:087:21
7:13
-0:43

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

6:50 /mi

Average Pace

7:08 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:18

94% of race

Time at Steady Pace

10:29

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:07 /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 mi10:23:4822:137:0922:13
7:09
#7170
10K
6.21 mi10:45:1743:427:0221:29
6:55
#6686
15K
9.32 mi11:06:491:05:147:0021:32
6:56
#6507
20K
12.43 mi11:28:241:26:496:5921:35
6:57
#6265
Half
13.11 mi11:33:041:31:296:594:40
6:50
#6236
25K
15.53 mi11:50:001:48:256:5916:56
6:59
#6082
30K
18.64 mi12:12:262:10:517:0122:26
7:13
#5935
20M
20.00 mi12:22:212:20:467:029:55
7:18
#5884
21M
21.00 mi12:30:062:28:317:047:45
7:45
#5833
35K
21.75 mi12:35:322:33:577:055:26
7:16
#5845
23M
23.00 mi12:44:412:43:067:059:09
7:18
#5767
24M
24.00 mi12:52:002:50:257:067:19
7:19
#5741
40K
24.85 mi12:58:172:56:427:076:17
7:21
#5692
25.2M
25.20 mi13:01:012:59:267:072:44
7:56
#5675
Finish
26.22 mi13:08:223:06:477:087:21
7:13
#5647
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7170639963996139(Top 23%)5566(Top 37%)5566(Top 105%)
10K6.21 mi3.10 mi6686+4846022+3776022+3776241(Top 23%)5651(Top 37%)5651(Top 107%)
15K9.32 mi3.11 mi6507+1795873+1495873+1496139(Top 23%)5566(Top 37%)5566(Top 105%)
20K12.43 mi3.11 mi6265+2425678+1955678+1955652(Top 21%)5189(Top 34%)5189(Top 98%)
Half13.11 mi0.68 mi6236+295658+205658+205600(Top 21%)5160(Top 34%)5160(Top 98%)
25K15.53 mi2.42 mi6082+1545544+1145544+1145489(Top 21%)5054(Top 33%)5054(Top 96%)
30K18.64 mi3.11 mi5935+1475415+1295415+1295605(Top 21%)5080(Top 33%)5080(Top 96%)
20M20.00 mi1.36 mi5884+515369+465369+465612(Top 21%)5005(Top 33%)5005(Top 95%)
21M21.00 mi1.00 mi5833+515313+565313+565886(Top 22%)5113(Top 34%)5113(Top 97%)
35K21.75 mi0.75 mi5845-125317-45317-46856(Top 26%)5790(Top 38%)5790(Top 110%)
23M23.00 mi1.25 mi5767+785238+795238+795344(Top 20%)4719(Top 31%)4719(Top 89%)
24M24.00 mi1.00 mi5741+265212+265212+266453(Top 24%)5383(Top 35%)5383(Top 102%)
40K24.85 mi0.85 mi5692+495163+495163+495735(Top 22%)4851(Top 32%)4851(Top 92%)
25.2M25.20 mi0.35 mi5675+175141+225141+226023(Top 23%)4954(Top 33%)4954(Top 94%)
Finish26.22 mi1.02 mi5647+285109+325109+326493(Top 24%)5244(Top 35%)5244(Top 99%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6139

Males

5566

M18-39

5566

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6241

Males

5651

M18-39

5651

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6139

Males

5566

M18-39

5566

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5652

Males

5189

M18-39

5189

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5600

Males

5160

M18-39

5160

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5489

Males

5054

M18-39

5054

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5605

Males

5080

M18-39

5080

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5612

Males

5005

M18-39

5005

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

5886

Males

5113

M18-39

5113

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

6856

Males

5790

M18-39

5790

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5344

Males

4719

M18-39

4719

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6453

Males

5383

M18-39

5383

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5735

Males

4851

M18-39

4851

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6023

Males

4954

M18-39

4954

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6493

Males

5244

M18-39

5244

Passing Analysis

Category:
Athletes Passed
1939
Passed By
416
Net Change
+1523
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7170
5K → 10K52945+484#7170#6686
10K → 15K22445+179#6686#6507
15K → 20K25412+242#6507#6265
20K → Half378+29#6265#6236
Half → 25K17319+154#6236#6082
25K → 30K20053+147#6082#5935
30K → 20M8231+51#5935#5884
20M → 21M8029+51#5884#5833
21M → 35K2840-12#5833#5845
35K → 23M9820+78#5845#5767
23M → 24M6135+26#5767#5741
24M → 40K7021+49#5741#5692
40K → 25.2M2710+17#5692#5675
25.2M → Finish7648+28#5675#5647
TOTALS1939416+1523
📊

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