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BOSTON MARATHON 2023

Adam Szuda

Bib: 3799•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 13%
Gender (Male)
#0 / 15176
Top 22%
Division (M18-39)
#0 / 5285
Top 45%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:39
Rank: #3201
Start → 5K
20:39 | 6:39/mi
10K· 6.21 mi
41:11
Rank: #3373 (-172)
5K → 10K
20:32 | 6:37/mi
15K· 9.32 mi
1:01:52
Rank: #3463 (-90)
10K → 15K
20:41 | 6:39/mi
20K· 12.43 mi
1:22:40
Rank: #3462 (+1)
15K → 20K
20:48 | 6:42/mi
Half· 13.11 mi
1:27:14
Rank: #3493 (-31)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:43:51
Rank: #3631 (-138)
Half → 25K
16:37 | 6:51/mi
30K· 18.64 mi
2:05:08
Rank: #3548 (+83)
25K → 30K
21:17 | 6:51/mi
20M
2:14:33
Rank: #3521 (+27)
30K → 20M
9:25 | 6:56/mi
21M
2:21:52
Rank: #3502 (+19)
20M → 21M
7:19 | 7:19/mi
35K· 21.75 mi
2:26:58
Rank: #3518 (-16)
21M → 35K
5:06 | 6:49/mi
23M
2:35:44
Rank: #3503 (+15)
35K → 23M
8:46 | 7:00/mi
24M
2:42:39
Rank: #3534 (-31)
23M → 24M
6:55 | 6:55/mi
40K· 24.85 mi
2:48:36
Rank: #3514 (+20)
24M → 40K
5:57 | 6:58/mi
25.2M
2:51:08
Rank: #3491 (+23)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:58:02
Rank: #3505 (-14)
25.2M → Finish
6:54 | 6:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:14
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:30:48
Pace6:56 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5020:396:3920:39
6:39
-
10K
6.21 mi10:42:2241:116:3820:32
6:37
-0:02
15K
9.32 mi11:03:031:01:526:3820:41
6:39
+0:02
20K
12.43 mi11:23:511:22:406:3920:48
6:42
+0:03
Half
13.11 mi11:28:251:27:146:394:34
6:42
0:00
25K
15.53 mi11:45:021:43:516:4116:37
6:51
+0:09
30K
18.64 mi12:06:192:05:086:4321:17
6:51
0:00
20M
20.00 mi12:15:442:14:336:449:25
6:56
+0:05
21M
21.00 mi12:23:032:21:526:457:19
7:19
+0:23
35K
21.75 mi12:28:092:26:586:455:06
6:49
-0:30
23M
23.00 mi12:36:552:35:446:468:46
7:00
+0:11
24M
24.00 mi12:43:502:42:396:476:55
6:55
-0:05
40K
24.85 mi12:49:472:48:366:475:57
6:58
+0:03
25.2M
25.20 mi12:52:192:51:086:472:32
7:21
+0:23
Finish
26.22 mi12:59:132:58:026:486:54
6:46
-0:35

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

6:37 /mi

Average Pace

6:48 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:11

94% of race

Time at Steady Pace

9:51

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:47 /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 mi10:21:5020:396:3920:39
6:39
#3201
10K
6.21 mi10:42:2241:116:3820:32
6:37
#3373
15K
9.32 mi11:03:031:01:526:3820:41
6:39
#3463
20K
12.43 mi11:23:511:22:406:3920:48
6:42
#3462
Half
13.11 mi11:28:251:27:146:394:34
6:42
#3493
25K
15.53 mi11:45:021:43:516:4116:37
6:51
#3631
30K
18.64 mi12:06:192:05:086:4321:17
6:51
#3548
20M
20.00 mi12:15:442:14:336:449:25
6:56
#3521
21M
21.00 mi12:23:032:21:526:457:19
7:19
#3502
35K
21.75 mi12:28:092:26:586:455:06
6:49
#3518
23M
23.00 mi12:36:552:35:446:468:46
7:00
#3503
24M
24.00 mi12:43:502:42:396:476:55
6:55
#3534
40K
24.85 mi12:49:472:48:366:475:57
6:58
#3514
25.2M
25.20 mi12:52:192:51:086:472:32
7:21
#3491
Finish
26.22 mi12:59:132:58:026:486:54
6:46
#3505
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3201302330233736(Top 14%)3520(Top 23%)3520(Top 67%)
10K6.21 mi3.10 mi3373-1723192-1693192-1693562(Top 13%)3368(Top 22%)3368(Top 64%)
15K9.32 mi3.11 mi3463-903281-893281-893736(Top 14%)3520(Top 23%)3520(Top 67%)
20K12.43 mi3.11 mi3462+1328132813542(Top 13%)3351(Top 22%)3351(Top 63%)
Half13.11 mi0.68 mi3493-313308-273308-274206(Top 16%)3930(Top 26%)3930(Top 74%)
25K15.53 mi2.42 mi3631-1383436-1283436-1284584(Top 17%)4263(Top 28%)4263(Top 81%)
30K18.64 mi3.11 mi3548+833358+783358+783330(Top 13%)3134(Top 21%)3134(Top 59%)
20M20.00 mi1.36 mi3521+273331+273331+273584(Top 13%)3343(Top 22%)3343(Top 63%)
21M21.00 mi1.00 mi3502+193317+143317+143677(Top 14%)3408(Top 22%)3408(Top 64%)
35K21.75 mi0.75 mi3518-163333-163333-164256(Top 16%)3891(Top 26%)3891(Top 74%)
23M23.00 mi1.25 mi3503+153311+223311+223791(Top 14%)3498(Top 23%)3498(Top 66%)
24M24.00 mi1.00 mi3534-313339-283339-284242(Top 16%)3854(Top 25%)3854(Top 73%)
40K24.85 mi0.85 mi3514+203318+213318+213610(Top 14%)3274(Top 22%)3274(Top 62%)
25.2M25.20 mi0.35 mi3491+233295+233295+233145(Top 12%)2868(Top 19%)2868(Top 54%)
Finish26.22 mi1.02 mi3505-143301-63301-63882(Top 15%)3438(Top 23%)3438(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3736

Males

3520

M18-39

3520

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3562

Males

3368

M18-39

3368

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3736

Males

3520

M18-39

3520

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3542

Males

3351

M18-39

3351

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4206

Males

3930

M18-39

3930

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4584

Males

4263

M18-39

4263

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3330

Males

3134

M18-39

3134

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3584

Males

3343

M18-39

3343

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3677

Males

3408

M18-39

3408

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4256

Males

3891

M18-39

3891

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3791

Males

3498

M18-39

3498

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4242

Males

3854

M18-39

3854

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3610

Males

3274

M18-39

3274

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3145

Males

2868

M18-39

2868

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

3882

Males

3438

M18-39

3438

Passing Analysis

Category:
Athletes Passed
830
Passed By
1134
Net Change
-304
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3201
5K → 10K108280-172#3201#3373
10K → 15K63153-90#3373#3463
15K → 20K8079+1#3463#3462
20K → Half1142-31#3462#3493
Half → 25K41179-138#3493#3631
25K → 30K14764+83#3631#3548
30K → 20M7245+27#3548#3521
20M → 21M5738+19#3521#3502
21M → 35K3046-16#3502#3518
35K → 23M6954+15#3518#3503
23M → 24M2859-31#3503#3534
24M → 40K4828+20#3534#3514
40K → 25.2M307+23#3514#3491
25.2M → Finish4660-14#3491#3505
TOTALS8301134-304
📊

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