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BOSTON MARATHON 2023

Stephen Baiardi

Bib: 27767•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 20%
Gender (Male)
#0 / 15176
Top 32%
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
7:38/mi
23:42
↑ 97↓ 3451.5%
10K· 6.21 mi
6:52/mi
45:03
↑ 79↓ 1380.4%
15K· 9.32 mi
6:47/mi
1:06:07
↑ 67↓ 78
20K· 12.43 mi
6:48/mi
1:27:15
↑ 106↓ 860.1%
Half· 13.11 mi
6:50/mi
1:31:55
↑ 19↓ 370.5%
25K· 15.53 mi
6:47/mi
1:48:21
↑ 66↓ 880.2%
30K· 18.64 mi
7:07/mi
2:10:28
↑ 181↓ 1480.2%
20M
6:58/mi
2:19:56
↑ 64↓ 500.2%
21M
7:36/mi
2:27:32
↑ 106↓ 241.6%
35K· 21.75 mi
7:04/mi
2:32:49
↑ 17↓ 861.7%
23M
7:22/mi
2:42:03
↑ 23↓ 630.6%
24M
7:11/mi
2:49:14
↓ 821.3%
40K· 24.85 mi
7:19/mi
2:55:29
↓ 200.3%
25.2M
7:41/mi
2:58:08
↑ 13↓ 160.2%
Finish· 26.22 mi
7:15/mi
3:05:31
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:55
Pace7:01 /mi
2nd Half
Distance13.11 mi
Time1:33:36
Pace7:08 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:0623:427:3823:42
7:38
-
10K
6.21 mi12:02:2745:037:1521:21
6:52
-0:46
15K
9.32 mi12:23:311:06:077:0621:04
6:47
-0:05
20K
12.43 mi12:44:391:27:157:0121:08
6:48
+0:01
Half
13.11 mi12:49:191:31:557:014:40
6:50
+0:02
25K
15.53 mi13:05:451:48:216:5816:26
6:47
-0:03
30K
18.64 mi13:27:522:10:287:0022:07
7:07
+0:20
20M
20.00 mi13:37:202:19:567:009:28
6:58
-0:09
21M
21.00 mi13:44:562:27:327:027:36
7:36
+0:38
35K
21.75 mi13:50:132:32:497:025:17
7:04
-0:32
23M
23.00 mi13:59:272:42:037:039:14
7:22
+0:18
24M
24.00 mi14:06:382:49:147:037:11
7:11
-0:11
40K
24.85 mi14:12:532:55:297:046:15
7:19
+0:08
25.2M
25.20 mi14:15:322:58:087:042:39
7:41
+0:22
Finish
26.22 mi14:22:553:05:317:057:23
7:15
-0:26

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

6:47 /mi

Average Pace

7:05 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31:34

82% of race

Time at Steady Pace

33:57

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:05 /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 mi11:41:0623:427:3823:42
7:38
#10769
10K
6.21 mi12:02:2745:037:1521:21
6:52
#8104
15K
9.32 mi12:23:311:06:077:0621:04
6:47
#7057
20K
12.43 mi12:44:391:27:157:0121:08
6:48
#6470
Half
13.11 mi12:49:191:31:557:014:40
6:50
#6421
25K
15.53 mi13:05:451:48:216:5816:26
6:47
#6055
30K
18.64 mi13:27:522:10:287:0022:07
7:07
#5804
20M
20.00 mi13:37:202:19:567:009:28
6:58
#5628
21M
21.00 mi13:44:562:27:327:027:36
7:36
#5574
35K
21.75 mi13:50:132:32:497:025:17
7:04
#5546
23M
23.00 mi13:59:272:42:037:039:14
7:22
#5499
24M
24.00 mi14:06:382:49:147:037:11
7:11
#5458
40K
24.85 mi14:12:532:55:297:046:15
7:19
#5416
25.2M
25.20 mi14:15:322:58:087:042:39
7:41
#5368
Finish
26.22 mi14:22:553:05:317:057:23
7:15
#5364
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi10769854185414939(Top 19%)4590(Top 30%)4590(Top 87%)
10K6.21 mi3.10 mi8104+26657021+15207021+15205914(Top 22%)5394(Top 36%)5394(Top 102%)
15K9.32 mi3.11 mi7057+10476292+7296292+7294939(Top 19%)4590(Top 30%)4590(Top 87%)
20K12.43 mi3.11 mi6470+5875840+4525840+4524466(Top 17%)4167(Top 27%)4167(Top 79%)
Half13.11 mi0.68 mi6421+495798+425798+425587(Top 21%)5147(Top 34%)5147(Top 97%)
25K15.53 mi2.42 mi6055+3665523+2755523+2753962(Top 15%)3723(Top 25%)3723(Top 70%)
30K18.64 mi3.11 mi5804+2515315+2085315+2085044(Top 19%)4635(Top 31%)4635(Top 88%)
20M20.00 mi1.36 mi5628+1765166+1495166+1493845(Top 14%)3581(Top 24%)3581(Top 68%)
21M21.00 mi1.00 mi5574+545114+525114+525078(Top 19%)4531(Top 30%)4531(Top 86%)
35K21.75 mi0.75 mi5546+285089+255089+255654(Top 21%)4985(Top 33%)4985(Top 94%)
23M23.00 mi1.25 mi5499+475036+535036+535697(Top 21%)4973(Top 33%)4973(Top 94%)
24M24.00 mi1.00 mi5458+414990+464990+465629(Top 21%)4861(Top 32%)4861(Top 92%)
40K24.85 mi0.85 mi5416+424944+464944+465496(Top 21%)4683(Top 31%)4683(Top 89%)
25.2M25.20 mi0.35 mi5368+484899+454899+454788(Top 18%)4141(Top 27%)4141(Top 78%)
Finish26.22 mi1.02 mi5364+44896+34896+36696(Top 25%)5369(Top 35%)5369(Top 102%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21story building
+97ft-345ft

Overall

4939

Males

4590

M18-39

4590

5K→10K

3.1 - 6.2 mi

Top 22%
×5story building
+79ft-138ft

Overall

5914

Males

5394

M18-39

5394

10K→15K

6.2 - 9.3 mi

Top 19%
×3story building
+67ft-78ft

Overall

4939

Males

4590

M18-39

4590

15K→20K

9.3 - 12.4 mi

Top 17%
×5story building
+106ft-86ft

Overall

4466

Males

4167

M18-39

4167

20K→Half

12.4 - 13.1 mi

Top 21%
×2story building
+19ft-37ft

Overall

5587

Males

5147

M18-39

5147

Half→25K

13.1 - 15.5 mi

Top 15%
×4story building
+66ft-88ft

Overall

3962

Males

3723

M18-39

3723

25K→30K

15.5 - 18.6 mi

Top 19%
×9story building
+181ft-148ft

Overall

5044

Males

4635

M18-39

4635

30K→20M

18.6 - 20.0 mi

Top 14%
×5story building
+64ft-50ft

Overall

3845

Males

3581

M18-39

3581

20M→21M

20.0 - 21.0 mi

Top 19%
×8story building
+106ft-24ft

Overall

5078

Males

4531

M18-39

4531

21M→35K

21.0 - 21.8 mi

Top 21%
×7story building
+17ft-86ft

Overall

5654

Males

4985

M18-39

4985

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

5697

Males

4973

M18-39

4973

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+12ft-82ft

Overall

5629

Males

4861

M18-39

4861

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5496

Males

4683

M18-39

4683

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4788

Males

4141

M18-39

4141

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

6696

Males

5369

M18-39

5369

Passing Analysis

Category:
Athletes Passed
5613*
Passed By
208
Net Change
+5405
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10769
5K → 10K2670*5+2665#10769#8104
10K → 15K10470+1047#8104#7057
15K → 20K5881+587#7057#6470
20K → Half501+49#6470#6421
Half → 25K3671+366#6421#6055
25K → 30K26918+251#6055#5804
30K → 20M1815+176#5804#5628
20M → 21M7319+54#5628#5574
21M → 35K4820+28#5574#5546
35K → 23M8942+47#5546#5499
23M → 24M6322+41#5499#5458
24M → 40K6624+42#5458#5416
40K → 25.2M546+48#5416#5368
25.2M → Finish4844+4#5368#5364
TOTALS5613*208+5405

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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