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BOSTON MARATHON 2023

Herve Jamrozik

WA

Bib: 15692 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 46%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Top 36%
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
7:52/mi
24:27
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:44/mi
48:28
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:05/mi
1:13:35
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:53/mi
1:38:05
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:46/mi
1:43:23
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:00/mi
2:02:48
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:06/mi
2:27:59
↑ 181↓ 1480.2%
138 ft elev
20M
8:20/mi
2:39:18
↑ 64↓ 500.2%
148 ft elev
21M
8:23/mi
2:47:41
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:52/mi
2:53:34
↑ 17↓ 861.7%
156 ft elev
23M
8:18/mi
3:03:58
↑ 23↓ 630.6%
116 ft elev
24M
8:09/mi
3:12:07
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:12/mi
3:19:08
↓ 200.3%
20 ft elev
25.2M
8:39/mi
3:22:07
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:01/mi
3:30:17
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:23
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:46:54
Pace8:09 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:2724:277:5224:27
7:52
-
10K
6.21 mi11:20:2848:287:4824:01
7:44
-0:08
15K
9.32 mi11:45:351:13:357:5425:07
8:05
+0:21
20K
12.43 mi12:10:051:38:057:5424:30
7:53
-0:12
Half
13.11 mi12:15:231:43:237:535:18
7:46
-0:07
25K
15.53 mi12:34:482:02:487:5419:25
8:00
+0:14
30K
18.64 mi12:59:592:27:597:5625:11
8:06
+0:06
20M
20.00 mi13:11:182:39:187:5811:19
8:20
+0:14
21M
21.00 mi13:19:412:47:417:598:23
8:23
+0:03
35K
21.75 mi13:25:342:53:347:595:53
7:52
-0:31
23M
23.00 mi13:35:583:03:588:0010:24
8:18
+0:26
24M
24.00 mi13:44:073:12:078:008:09
8:09
-0:09
40K
24.85 mi13:51:083:19:088:017:01
8:12
+0:03
25.2M
25.20 mi13:54:073:22:078:012:59
8:39
+0:27
Finish
26.22 mi14:02:173:30:178:028:10
8:01
-0:38

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

7:44 /mi

Average Pace

8:02 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:27:18

99% of race

Time at Steady Pace

2:59

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:01 /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 mi10:56:2724:277:5224:27
7:52
#12984
10K
6.21 mi11:20:2848:287:4824:01
7:44
#12693
15K
9.32 mi11:45:351:13:357:5425:07
8:05
#13527
20K
12.43 mi12:10:051:38:057:5424:30
7:53
#13246
Half
13.11 mi12:15:231:43:237:535:18
7:46
#13194
25K
15.53 mi12:34:482:02:487:5419:25
8:00
#13085
30K
18.64 mi12:59:592:27:597:5625:11
8:06
#12807
20M
20.00 mi13:11:182:39:187:5811:19
8:20
#12743
21M
21.00 mi13:19:412:47:417:598:23
8:23
#12534
35K
21.75 mi13:25:342:53:347:595:53
7:52
#12473
23M
23.00 mi13:35:583:03:588:0010:24
8:18
#12438
24M
24.00 mi13:44:073:12:078:008:09
8:09
#12410
40K
24.85 mi13:51:083:19:088:017:01
8:12
#12377
25.2M
25.20 mi13:54:073:22:078:012:59
8:39
#12346
Finish
26.22 mi14:02:173:30:178:028:10
8:01
#12349
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi1298495379537150401031910319
10K6.21 mi3.10 mi12693+2919414+1239414+1231250193349334
15K9.32 mi3.11 mi13527-8349740-3269740-326150401031910319
20K12.43 mi3.11 mi13246+2819597+1439597+1431248392179217
Half13.11 mi0.68 mi13194+529573+249573+241239492309230
25K15.53 mi2.42 mi13085+1099528+459528+451280392629262
30K18.64 mi3.11 mi12807+2789356+1729356+1721168086608660
20M20.00 mi1.36 mi12743+649304+529304+521251589088908
21M21.00 mi1.00 mi12534+2099201+1039201+103974274747474
35K21.75 mi0.75 mi12473+619157+449157+441110181708170
23M23.00 mi1.25 mi12438+359128+299128+291191184298429
24M24.00 mi1.00 mi12410+289096+329096+321223285058505
40K24.85 mi0.85 mi12377+339060+369060+361138480188018
25.2M25.20 mi0.35 mi12346+319035+259035+251043175297529
Finish26.22 mi1.02 mi12349-39011+249011+241220583808380

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

15040

Males

10319

M55-59

10319

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

12501

Males

9334

M55-59

9334

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

15040

Males

10319

M55-59

10319

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

12483

Males

9217

M55-59

9217

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

12394

Males

9230

M55-59

9230

Half→25K

13.1 - 15.5 mi

Top 48%
×4story building
+66ft-88ft

Overall

12803

Males

9262

M55-59

9262

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11680

Males

8660

M55-59

8660

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

12515

Males

8908

M55-59

8908

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

9742

Males

7474

M55-59

7474

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11101

Males

8170

M55-59

8170

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

11911

Males

8429

M55-59

8429

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

12232

Males

8505

M55-59

8505

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11384

Males

8018

M55-59

8018

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10431

Males

7529

M55-59

7529

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

12205

Males

8380

M55-59

8380

Passing Analysis

Category:
Athletes Passed
2279
Passed By
1644
Net Change
+635
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12984
5K → 10K487196+291#12984#12693
10K → 15K38872-834#12693#13527
15K → 20K35170+281#13527#13246
20K → Half597+52#13246#13194
Half → 25K19687+109#13194#13085
25K → 30K33254+278#13085#12807
30K → 20M13975+64#12807#12743
20M → 21M22112+209#12743#12534
21M → 35K7817+61#12534#12473
35K → 23M10065+35#12473#12438
23M → 24M7345+28#12438#12410
24M → 40K7845+33#12410#12377
40K → 25.2M4918+31#12377#12346
25.2M → Finish7881-3#12346#12349
TOTALS22791644+635

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