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BOSTON MARATHON 2023

Lukasz Jarzyna

Bib: 26791•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
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
7:46/mi
24:09
↑ 97↓ 3451.5%
10K· 6.21 mi
7:41/mi
48:01
↑ 79↓ 1380.4%
15K· 9.32 mi
7:48/mi
1:12:16
↑ 67↓ 78
20K· 12.43 mi
8:10/mi
1:37:37
↑ 106↓ 860.1%
Half· 13.11 mi
8:07/mi
1:43:09
↑ 19↓ 370.5%
25K· 15.53 mi
8:26/mi
2:03:35
↑ 66↓ 880.2%
30K· 18.64 mi
9:30/mi
2:33:05
↑ 181↓ 1480.2%
20M
9:51/mi
2:46:28
↑ 64↓ 500.2%
21M
10:50/mi
2:57:18
↑ 106↓ 241.6%
35K· 21.75 mi
9:07/mi
3:04:07
↑ 17↓ 861.7%
23M
11:27/mi
3:18:27
↑ 23↓ 630.6%
24M
9:41/mi
3:28:08
↓ 821.3%
40K· 24.85 mi
9:46/mi
3:36:29
↓ 200.3%
25.2M
9:49/mi
3:39:52
↑ 13↓ 160.2%
Finish· 26.22 mi
8:10/mi
3:48:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:09
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time2:05:02
Pace9:32 /mi
📊Positive Split: 21.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:2224:097:4624:09
7:46
-
10K
6.21 mi12:04:1448:017:4423:52
7:41
-0:05
15K
9.32 mi12:28:291:12:167:4524:15
7:48
+0:07
20K
12.43 mi12:53:501:37:377:5125:21
8:10
+0:22
Half
13.11 mi12:59:221:43:097:525:32
8:07
-0:03
25K
15.53 mi13:19:482:03:357:5720:26
8:26
+0:19
30K
18.64 mi13:49:182:33:058:1329:30
9:30
+1:04
20M
20.00 mi14:02:412:46:288:1913:23
9:51
+0:21
21M
21.00 mi14:13:312:57:188:2710:50
10:50
+0:59
35K
21.75 mi14:20:203:04:078:286:49
9:07
-1:43
23M
23.00 mi14:34:403:18:278:3814:20
11:27
+2:20
24M
24.00 mi14:44:213:28:088:409:41
9:41
-1:46
40K
24.85 mi14:52:423:36:298:438:21
9:46
+0:05
25.2M
25.20 mi14:56:053:39:528:433:23
9:49
+0:03
Finish
26.22 mi15:04:243:48:118:438:19
8:10
-1:39

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

7:41 /mi

Average Pace

8:43 /mi

Slowest Pace

11:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:54

58% of race

Time at Steady Pace

36:19

16% of race

Time at Slower Pace

59:58

26% of race

Average Pace: 8:42 /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 mi11:40:2224:097:4624:09
7:46
#12111
10K
6.21 mi12:04:1448:017:4423:52
7:41
#12078
15K
9.32 mi12:28:291:12:167:4524:15
7:48
#12243
20K
12.43 mi12:53:501:37:377:5125:21
8:10
#12901
Half
13.11 mi12:59:221:43:097:525:32
8:07
#13022
25K
15.53 mi13:19:482:03:357:5720:26
8:26
#13511
30K
18.64 mi13:49:182:33:058:1329:30
9:30
#14900
20M
20.00 mi14:02:412:46:288:1913:23
9:51
#15387
21M
21.00 mi14:13:312:57:188:2710:50
10:50
#15814
35K
21.75 mi14:20:203:04:078:286:49
9:07
#15906
23M
23.00 mi14:34:403:18:278:3814:20
11:27
#16754
24M
24.00 mi14:44:213:28:088:409:41
9:41
#16932
40K
24.85 mi14:52:423:36:298:438:21
9:46
#17054
25.2M
25.20 mi14:56:053:39:528:433:23
9:49
#17052
Finish
26.22 mi15:04:243:48:118:438:19
8:10
#16906
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi121119168916812769(Top 48%)9426(Top 62%)9426(Top 178%)
10K6.21 mi3.10 mi12078+339164+49164+412066(Top 45%)9145(Top 60%)9145(Top 173%)
15K9.32 mi3.11 mi12243-1659197-339197-3312769(Top 48%)9426(Top 62%)9426(Top 178%)
20K12.43 mi3.11 mi12901-6589461-2649461-26414665(Top 55%)10149(Top 67%)10149(Top 192%)
Half13.11 mi0.68 mi13022-1219509-489509-4815192(Top 57%)10385(Top 68%)10385(Top 196%)
25K15.53 mi2.42 mi13511-4899680-1719680-17115749(Top 59%)10447(Top 69%)10447(Top 198%)
30K18.64 mi3.11 mi14900-138910204-52410204-52419411(Top 73%)11967(Top 79%)11967(Top 226%)
20M20.00 mi1.36 mi15387-48710348-14410348-14419993(Top 75%)12121(Top 80%)12121(Top 229%)
21M21.00 mi1.00 mi15814-42710484-13610484-13620445(Top 77%)12251(Top 81%)12251(Top 232%)
35K21.75 mi0.75 mi15906-9210513-2910513-2918350(Top 69%)11296(Top 74%)11296(Top 214%)
23M23.00 mi1.25 mi16754-84810857-34410857-34423147(Top 87%)13454(Top 89%)13454(Top 255%)
24M24.00 mi1.00 mi16932-17810912-5510912-5519815(Top 74%)11914(Top 79%)11914(Top 225%)
40K24.85 mi0.85 mi17054-12210943-3110943-3119244(Top 72%)11590(Top 76%)11590(Top 219%)
25.2M25.20 mi0.35 mi17052+210940+310940+316538(Top 62%)10350(Top 68%)10350(Top 196%)
Finish26.22 mi1.02 mi16906+14610859+8110859+8113170(Top 49%)8866(Top 58%)8866(Top 168%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21story building
+97ft-345ft

Overall

12769

Males

9426

M18-39

9426

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

12066

Males

9145

M18-39

9145

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+67ft-78ft

Overall

12769

Males

9426

M18-39

9426

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

14665

Males

10149

M18-39

10149

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

15192

Males

10385

M18-39

10385

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

15749

Males

10447

M18-39

10447

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

19411

Males

11967

M18-39

11967

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

19993

Males

12121

M18-39

12121

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

20445

Males

12251

M18-39

12251

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

18350

Males

11296

M18-39

11296

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

23147

Males

13454

M18-39

13454

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

19815

Males

11914

M18-39

11914

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19244

Males

11590

M18-39

11590

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16538

Males

10350

M18-39

10350

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

13170

Males

8866

M18-39

8866

Passing Analysis

Category:
Athletes Passed
855
Passed By
5650
Net Change
-4795
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12111
5K → 10K313280+33#12111#12078
10K → 15K140305-165#12078#12243
15K → 20K42700-658#12243#12901
20K → Half6127-121#12901#13022
Half → 25K50539-489#13022#13511
25K → 30K151404-1389#13511#14900
30K → 20M16503-487#14900#15387
20M → 21M14441-427#15387#15814
21M → 35K27119-92#15814#15906
35K → 23M4852-848#15906#16754
23M → 24M20198-178#16754#16932
24M → 40K27149-122#16932#17054
40K → 25.2M2523+2#17054#17052
25.2M → Finish15610+146#17052#16906
TOTALS8555650-4795
📊

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