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BOSTON MARATHON 2023

Marcin Dziegielewski

Bib: 30046•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
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
10:32/mi
32:44
↑ 97↓ 3451.5%
10K· 6.21 mi
10:12/mi
1:04:24
↑ 79↓ 1380.4%
15K· 9.32 mi
10:21/mi
1:36:33
↑ 67↓ 78
20K· 12.43 mi
10:42/mi
2:09:48
↑ 106↓ 860.1%
Half· 13.11 mi
10:10/mi
2:16:44
↑ 19↓ 370.5%
25K· 15.53 mi
11:25/mi
2:44:25
↑ 66↓ 880.2%
30K· 18.64 mi
11:03/mi
3:18:46
↑ 181↓ 1480.2%
20M
12:25/mi
3:35:39
↑ 64↓ 500.2%
21M
12:18/mi
3:47:57
↑ 106↓ 241.6%
35K· 21.75 mi
11:42/mi
3:56:42
↑ 17↓ 861.7%
23M
12:05/mi
4:11:50
↑ 23↓ 630.6%
24M
11:35/mi
4:23:25
↓ 821.3%
40K· 24.85 mi
12:18/mi
4:33:56
↓ 200.3%
25.2M
11:45/mi
4:37:59
↑ 13↓ 160.2%
Finish· 26.22 mi
11:06/mi
4:49:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:44
Pace10:26 /mi
2nd Half
Distance13.11 mi
Time2:32:34
Pace11:38 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:2032:4410:3232:44
10:32
-
10K
6.21 mi12:25:001:04:2410:2231:40
10:12
-0:20
15K
9.32 mi12:57:091:36:3310:2232:09
10:21
+0:09
20K
12.43 mi13:30:242:09:4810:2733:15
10:42
+0:21
Half
13.11 mi13:37:202:16:4410:266:56
10:10
-0:32
25K
15.53 mi14:05:012:44:2510:3527:41
11:25
+1:15
30K
18.64 mi14:39:223:18:4610:4034:21
11:03
-0:22
20M
20.00 mi14:56:153:35:3910:4716:53
12:25
+1:22
21M
21.00 mi15:08:333:47:5710:5112:18
12:18
-0:07
35K
21.75 mi15:17:183:56:4210:538:45
11:42
-0:36
23M
23.00 mi15:32:264:11:5010:5715:08
12:05
+0:23
24M
24.00 mi15:44:014:23:2510:5911:35
11:35
-0:30
40K
24.85 mi15:54:324:33:5611:0110:31
12:18
+0:43
25.2M
25.20 mi15:58:354:37:5911:024:03
11:45
-0:33
Finish
26.22 mi16:09:544:49:1811:0311:19
11:06
-0:39

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

10:10 /mi

Average Pace

11:03 /mi

Slowest Pace

12:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:44

47% of race

Time at Steady Pace

1:37:44

34% of race

Time at Slower Pace

54:50

19% of race

Average Pace: 11:02 /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 mi11:53:2032:4410:3232:44
10:32
#24786
10K
6.21 mi12:25:001:04:2410:2231:40
10:12
#24421
15K
9.32 mi12:57:091:36:3310:2232:09
10:21
#24345
20K
12.43 mi13:30:242:09:4810:2733:15
10:42
#24313
Half
13.11 mi13:37:202:16:4410:266:56
10:10
#24279
25K
15.53 mi14:05:012:44:2510:3527:41
11:25
#24324
30K
18.64 mi14:39:223:18:4610:4034:21
11:03
#24091
20M
20.00 mi14:56:153:35:3910:4716:53
12:25
#24170
21M
21.00 mi15:08:333:47:5710:5112:18
12:18
#24121
35K
21.75 mi15:17:183:56:4210:538:45
11:42
#24142
23M
23.00 mi15:32:264:11:5010:5715:08
12:05
#24150
24M
24.00 mi15:44:014:23:2510:5911:35
11:35
#24140
40K
24.85 mi15:54:324:33:5611:0110:31
12:18
#24141
25.2M
25.20 mi15:58:354:37:5911:024:03
11:45
#24117
Finish
26.22 mi16:09:544:49:1811:0311:19
11:06
#24129
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi24786144431444324177(Top 91%)14163(Top 93%)14163(Top 629%)
10K6.21 mi3.10 mi24421+36514283+16014283+16024116(Top 91%)14144(Top 93%)14144(Top 628%)
15K9.32 mi3.11 mi24345+7614244+3914244+3924177(Top 91%)14163(Top 93%)14163(Top 629%)
20K12.43 mi3.11 mi24313+3214219+2514219+2524176(Top 91%)14143(Top 93%)14143(Top 628%)
Half13.11 mi0.68 mi24279+3414204+1514204+1523596(Top 89%)13896(Top 92%)13896(Top 617%)
25K15.53 mi2.42 mi24324-4514210-614210-624557(Top 92%)14278(Top 94%)14278(Top 634%)
30K18.64 mi3.11 mi24091+23314103+10714103+10723173(Top 87%)13598(Top 90%)13598(Top 604%)
20M20.00 mi1.36 mi24170-7914113-1014113-1024655(Top 93%)14214(Top 94%)14214(Top 631%)
21M21.00 mi1.00 mi24121+4914084+2914084+2923192(Top 87%)13523(Top 89%)13523(Top 600%)
35K21.75 mi0.75 mi24142-2114088-414088-424347(Top 91%)14017(Top 92%)14017(Top 622%)
23M23.00 mi1.25 mi24150-814080+814080+824118(Top 91%)13902(Top 92%)13902(Top 617%)
24M24.00 mi1.00 mi24140+1014072+814072+823980(Top 90%)13806(Top 91%)13806(Top 613%)
40K24.85 mi0.85 mi24141-114063+914063+924227(Top 91%)13907(Top 92%)13907(Top 618%)
25.2M25.20 mi0.35 mi24117+2414046+1714046+1722043(Top 83%)12876(Top 85%)12876(Top 572%)
Finish26.22 mi1.02 mi24129-1214048-214048-224150(Top 91%)13899(Top 92%)13899(Top 617%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

24177

Males

14163

M45-49

14163

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

24116

Males

14144

M45-49

14144

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

24177

Males

14163

M45-49

14163

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

24176

Males

14143

M45-49

14143

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

23596

Males

13896

M45-49

13896

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

24557

Males

14278

M45-49

14278

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

23173

Males

13598

M45-49

13598

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

24655

Males

14214

M45-49

14214

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

23192

Males

13523

M45-49

13523

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

24347

Males

14017

M45-49

14017

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

24118

Males

13902

M45-49

13902

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

23980

Males

13806

M45-49

13806

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24227

Males

13907

M45-49

13907

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

22043

Males

12876

M45-49

12876

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2story building
+22ft-21ft

Overall

24150

Males

13899

M45-49

13899

Passing Analysis

Category:
Athletes Passed
1333
Passed By
676
Net Change
+657
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24786
5K → 10K42762+365#24786#24421
10K → 15K16690+76#24421#24345
15K → 20K11785+32#24345#24313
20K → Half4511+34#24313#24279
Half → 25K69114-45#24279#24324
25K → 30K25320+233#24324#24091
30K → 20M31110-79#24091#24170
20M → 21M6415+49#24170#24121
21M → 35K1132-21#24121#24142
35K → 23M3442-8#24142#24150
23M → 24M3020+10#24150#24140
24M → 40K3536-1#24140#24141
40K → 25.2M273+24#24141#24117
25.2M → Finish2436-12#24117#24129
TOTALS1333676+657
📊

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