Boston Marathon logo
BOSTON MARATHON 2023

Dariusz Wezowczyk

Bib: 729•M

FL

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 3%
Masters (Masters Men)
#0 / 9891
Top 0.6%
Division (M40-44)
#0 / 2241
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:24
Rank: #567
Start → 5K
18:24 | 5:55/mi
10K· 6.21 mi
36:25
Rank: #484 (+83)
5K → 10K
18:01 | 5:48/mi
15K· 9.32 mi
54:38
Rank: #467 (+17)
10K → 15K
18:13 | 5:52/mi
20K· 12.43 mi
1:13:04
Rank: #458 (+9)
15K → 20K
18:26 | 5:56/mi
Half· 13.11 mi
1:17:06
Rank: #463 (-5)
20K → Half
4:02 | 5:55/mi
25K· 15.53 mi
1:31:41
Rank: #481 (-18)
Half → 25K
14:35 | 6:01/mi
30K· 18.64 mi
1:50:57
Rank: #499 (-18)
25K → 30K
19:16 | 6:12/mi
20M
1:59:18
Rank: #488 (+11)
30K → 20M
8:21 | 6:09/mi
21M
2:05:50
Rank: #494 (-6)
20M → 21M
6:32 | 6:32/mi
35K· 21.75 mi
2:10:22
Rank: #501 (-7)
21M → 35K
4:32 | 6:04/mi
23M
2:18:07
Rank: #492 (+9)
35K → 23M
7:45 | 6:11/mi
24M
2:24:13
Rank: #491 (+1)
23M → 24M
6:06 | 6:06/mi
40K· 24.85 mi
2:29:34
Rank: #496 (-5)
24M → 40K
5:21 | 6:15/mi
25.2M
2:31:50
Rank: #494 (+2)
40K → 25.2M
2:16 | 6:34/mi
Finish· 26.22 mi
2:38:02
Rank: #492 (+2)
25.2M → Finish
6:12 | 6:05/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:06
Pace5:53 /mi
2nd Half
Distance13.11 mi
Time1:20:56
Pace6:10 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3718:245:5518:24
5:55
-
10K
6.21 mi10:36:3836:255:5218:01
5:48
-0:07
15K
9.32 mi10:54:5154:385:5218:13
5:52
+0:04
20K
12.43 mi11:13:171:13:045:5318:26
5:56
+0:04
Half
13.11 mi11:17:191:17:065:534:02
5:55
-0:01
25K
15.53 mi11:31:541:31:415:5414:35
6:01
+0:06
30K
18.64 mi11:51:101:50:575:5719:16
6:12
+0:11
20M
20.00 mi11:59:311:59:185:588:21
6:09
-0:03
21M
21.00 mi12:06:032:05:506:006:32
6:32
+0:23
35K
21.75 mi12:10:352:10:226:004:32
6:04
-0:28
23M
23.00 mi12:18:202:18:076:007:45
6:11
+0:07
24M
24.00 mi12:24:262:24:136:016:06
6:06
-0:05
40K
24.85 mi12:29:472:29:346:015:21
6:15
+0:09
25.2M
25.20 mi12:32:032:31:506:022:16
6:34
+0:19
Finish
26.22 mi12:38:152:38:026:026:12
6:05
-0:29

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

5:48 /mi

Average Pace

6:02 /mi

Slowest Pace

6:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:14

94% of race

Time at Steady Pace

8:48

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:02 /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 mi10:18:3718:245:5518:24
5:55
#567
10K
6.21 mi10:36:3836:255:5218:01
5:48
#484
15K
9.32 mi10:54:5154:385:5218:13
5:52
#467
20K
12.43 mi11:13:171:13:045:5318:26
5:56
#458
Half
13.11 mi11:17:191:17:065:534:02
5:55
#463
25K
15.53 mi11:31:541:31:415:5414:35
6:01
#481
30K
18.64 mi11:51:101:50:575:5719:16
6:12
#499
20M
20.00 mi11:59:311:59:185:588:21
6:09
#488
21M
21.00 mi12:06:032:05:506:006:32
6:32
#494
35K
21.75 mi12:10:352:10:226:004:32
6:04
#501
23M
23.00 mi12:18:202:18:076:007:45
6:11
#492
24M
24.00 mi12:24:262:24:136:016:06
6:06
#491
40K
24.85 mi12:29:472:29:346:015:21
6:15
#496
25.2M
25.20 mi12:32:032:31:506:022:16
6:34
#494
Finish
26.22 mi12:38:152:38:026:026:12
6:05
#492
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi567524524446(Top 2%)412(Top 3%)412(Top 18%)
10K6.21 mi3.10 mi484+83448+76448+76428(Top 2%)393(Top 3%)393(Top 18%)
15K9.32 mi3.11 mi467+17431+17431+17446(Top 2%)412(Top 3%)412(Top 18%)
20K12.43 mi3.11 mi458+9422+9422+9473(Top 2%)434(Top 3%)434(Top 19%)
Half13.11 mi0.68 mi463-5427-5427-5559(Top 2%)521(Top 3%)521(Top 23%)
25K15.53 mi2.42 mi481-18442-15442-15566(Top 2%)526(Top 3%)526(Top 23%)
30K18.64 mi3.11 mi499-18461-19461-19678(Top 3%)641(Top 4%)641(Top 29%)
20M20.00 mi1.36 mi488+11451+10451+10558(Top 2%)524(Top 3%)524(Top 23%)
21M21.00 mi1.00 mi494-6456-5456-5702(Top 3%)661(Top 4%)661(Top 29%)
35K21.75 mi0.75 mi501-7464-8464-8805(Top 3%)762(Top 5%)762(Top 34%)
23M23.00 mi1.25 mi492+9455+9455+9592(Top 2%)558(Top 4%)558(Top 25%)
24M24.00 mi1.00 mi491+1454+1454+1754(Top 3%)714(Top 5%)714(Top 32%)
40K24.85 mi0.85 mi496-5459-5459-5761(Top 3%)720(Top 5%)720(Top 32%)
25.2M25.20 mi0.35 mi494+2458+1458+1599(Top 2%)566(Top 4%)566(Top 25%)
Finish26.22 mi1.02 mi492+2457+1457+1926(Top 3%)884(Top 6%)884(Top 39%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

446

Males

412

M40-44

412

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

428

Males

393

M40-44

393

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

446

Males

412

M40-44

412

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

473

Males

434

M40-44

434

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

559

Males

521

M40-44

521

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

566

Males

526

M40-44

526

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

678

Males

641

M40-44

641

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

558

Males

524

M40-44

524

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

702

Males

661

M40-44

661

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

805

Males

762

M40-44

762

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

592

Males

558

M40-44

558

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

754

Males

714

M40-44

714

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

761

Males

720

M40-44

720

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

599

Males

566

M40-44

566

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

926

Males

884

M40-44

884

Passing Analysis

Category:
Athletes Passed
223
Passed By
148
Net Change
+75
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#567
5K → 10K918+83#567#484
10K → 15K2912+17#484#467
15K → 20K1910+9#467#458
20K → Half27-5#458#463
Half → 25K422-18#463#481
25K → 30K1533-18#481#499
30K → 20M121+11#499#488
20M → 21M612-6#488#494
21M → 35K310-7#494#501
35K → 23M178+9#501#492
23M → 24M54+1#492#491
24M → 40K510-5#491#496
40K → 25.2M53+2#496#494
25.2M → Finish108+2#494#492
TOTALS223148+75
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing