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BOSTON MARATHON 2023

Steve Dowsett

Bib: 1408•M

MA

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0:00
0:00
/ mi
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 4%
Age Group (M18-39)
#0 / 5285
Top 9%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
18:40
Rank: #701
Start → 5K
18:40 | 6:00/mi
10K· 6.21 mi
37:20
Rank: #751 (-50)
5K → 10K
18:40 | 6:00/mi
15K· 9.32 mi
55:52
Rank: #700 (+51)
10K → 15K
18:32 | 5:58/mi
20K· 12.43 mi
1:14:27
Rank: #650 (+50)
15K → 20K
18:35 | 5:59/mi
Half· 13.11 mi
1:18:28
Rank: #642 (+8)
20K → Half
4:01 | 5:53/mi
25K· 15.53 mi
1:33:06
Rank: #628 (+14)
Half → 25K
14:38 | 6:02/mi
30K· 18.64 mi
1:52:30
Rank: #642 (-14)
25K → 30K
19:24 | 6:15/mi
20M
2:00:57
Rank: #639 (+3)
30K → 20M
8:27 | 6:13/mi
21M
2:07:25
Rank: #627 (+12)
20M → 21M
6:28 | 6:28/mi
35K· 21.75 mi
2:11:53
Rank: #623 (+4)
21M → 35K
4:28 | 5:58/mi
23M
2:19:51
Rank: #620 (+3)
35K → 23M
7:58 | 6:22/mi
24M
2:25:52
Rank: #620
23M → 24M
6:01 | 6:01/mi
40K· 24.85 mi
2:31:12
Rank: #615 (+5)
24M → 40K
5:20 | 6:14/mi
25.2M
2:33:31
Rank: #612 (+3)
40K → 25.2M
2:19 | 6:43/mi
Finish· 26.22 mi
2:39:46
Rank: #618 (-6)
25.2M → Finish
6:15 | 6:08/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time1:18:28
Pace5:59 /mi
2nd Half
Distance13.11 mi
Time1:21:18
Pace6:12 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:5618:406:0018:40
6:00
-
10K
6.21 mi10:37:3637:206:0018:40
6:00
0:00
15K
9.32 mi10:56:0855:526:0018:32
5:58
-0:02
20K
12.43 mi11:14:431:14:275:5918:35
5:59
+0:01
Half
13.11 mi11:18:441:18:285:594:01
5:53
-0:06
25K
15.53 mi11:33:221:33:066:0014:38
6:02
+0:09
30K
18.64 mi11:52:461:52:306:0219:24
6:15
+0:13
20M
20.00 mi12:01:132:00:576:038:27
6:13
-0:02
21M
21.00 mi12:07:412:07:256:046:28
6:28
+0:15
35K
21.75 mi12:12:092:11:536:044:28
5:58
-0:30
23M
23.00 mi12:20:072:19:516:057:58
6:22
+0:24
24M
24.00 mi12:26:082:25:526:056:01
6:01
-0:21
40K
24.85 mi12:31:282:31:126:055:20
6:14
+0:13
25.2M
25.20 mi12:33:472:33:316:062:19
6:43
+0:29
Finish
26.22 mi12:40:022:39:466:066:15
6:08
-0:35

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

5:53 /mi

Average Pace

6:06 /mi

Slowest Pace

6:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:37:27

99% of race

Time at Steady Pace

2:19

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:06 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:18:5618:406:0018:40
6:00
#701
10K
6.21 mi10:37:3637:206:0018:40
6:00
#751
15K
9.32 mi10:56:0855:526:0018:32
5:58
#700
20K
12.43 mi11:14:431:14:275:5918:35
5:59
#650
Half
13.11 mi11:18:441:18:285:594:01
5:53
#642
25K
15.53 mi11:33:221:33:066:0014:38
6:02
#628
30K
18.64 mi11:52:461:52:306:0219:24
6:15
#642
20M
20.00 mi12:01:132:00:576:038:27
6:13
#639
21M
21.00 mi12:07:412:07:256:046:28
6:28
#627
35K
21.75 mi12:12:092:11:536:044:28
5:58
#623
23M
23.00 mi12:20:072:19:516:057:58
6:22
#620
24M
24.00 mi12:26:082:25:526:056:01
6:01
#620
40K
24.85 mi12:31:282:31:126:055:20
6:14
#615
25.2M
25.20 mi12:33:472:33:316:062:19
6:43
#612
Finish
26.22 mi12:40:022:39:466:066:15
6:08
#618
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi701656656629(Top 2%)586(Top 4%)586(Top 11%)
10K6.21 mi3.10 mi751-50707-51707-51810(Top 3%)764(Top 5%)764(Top 14%)
15K9.32 mi3.11 mi700+51656+51656+51629(Top 2%)586(Top 4%)586(Top 11%)
20K12.43 mi3.11 mi650+50607+49607+49535(Top 2%)495(Top 3%)495(Top 9%)
Half13.11 mi0.68 mi642+8599+8599+8533(Top 2%)495(Top 3%)495(Top 9%)
25K15.53 mi2.42 mi628+14587+12587+12592(Top 2%)552(Top 4%)552(Top 10%)
30K18.64 mi3.11 mi642-14601-14601-14771(Top 3%)732(Top 5%)732(Top 14%)
20M20.00 mi1.36 mi639+3598+3598+3681(Top 3%)644(Top 4%)644(Top 12%)
21M21.00 mi1.00 mi627+12586+12586+12593(Top 2%)558(Top 4%)558(Top 11%)
35K21.75 mi0.75 mi623+4582+4582+4619(Top 2%)581(Top 4%)581(Top 11%)
23M23.00 mi1.25 mi620+3580+2580+2979(Top 4%)929(Top 6%)929(Top 18%)
24M24.00 mi1.00 mi620580580576(Top 2%)546(Top 4%)546(Top 10%)
40K24.85 mi0.85 mi615+5575+5575+5726(Top 3%)687(Top 5%)687(Top 13%)
25.2M25.20 mi0.35 mi612+3572+3572+3904(Top 3%)860(Top 6%)860(Top 16%)
Finish26.22 mi1.02 mi618-6578-6578-61069(Top 4%)1018(Top 7%)1018(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

629

Males

586

M18-39

586

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

810

Males

764

M18-39

764

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

629

Males

586

M18-39

586

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

535

Males

495

M18-39

495

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

533

Males

495

M18-39

495

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

592

Males

552

M18-39

552

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

771

Males

732

M18-39

732

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

681

Males

644

M18-39

644

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

593

Males

558

M18-39

558

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

619

Males

581

M18-39

581

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

979

Males

929

M18-39

929

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

576

Males

546

M18-39

546

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

726

Males

687

M18-39

687

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

904

Males

860

M18-39

860

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1069

Males

1018

M18-39

1018

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
257
Passed By
174
Net Change
+83
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#701
5K → 10K1868-50#701#751
10K → 15K543+51#751#700
15K → 20K500+50#700#650
20K → Half80+8#650#642
Half → 25K2511+14#642#628
25K → 30K2034-14#628#642
30K → 20M129+3#642#639
20M → 21M197+12#639#627
21M → 35K73+4#627#623
35K → 23M1512+3#623#620
23M → 24M770#620#620
24M → 40K94+5#620#615
40K → 25.2M74+3#615#612
25.2M → Finish612-6#612#618
TOTALS257174+83
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing