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BOSTON MARATHON 2023

Ian Stowe

Bib: 1171•M

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 4%
Division (M18-39)
#0 / 5285
Top 10%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:04
Rank: #975
Start → 5K
19:04 | 6:08/mi
10K· 6.21 mi
37:35
Rank: #827 (+148)
5K → 10K
18:31 | 5:58/mi
15K· 9.32 mi
56:12
Rank: #781 (+46)
10K → 15K
18:37 | 6:00/mi
20K· 12.43 mi
1:15:14
Rank: #780 (+1)
15K → 20K
19:02 | 6:08/mi
Half· 13.11 mi
1:19:18
Rank: #774 (+6)
20K → Half
4:04 | 5:58/mi
25K· 15.53 mi
1:34:04
Rank: #746 (+28)
Half → 25K
14:46 | 6:05/mi
30K· 18.64 mi
1:53:20
Rank: #734 (+12)
25K → 30K
19:16 | 6:12/mi
20M
2:01:49
Rank: #724 (+10)
30K → 20M
8:29 | 6:15/mi
21M
2:08:24
Rank: #715 (+9)
20M → 21M
6:35 | 6:35/mi
35K· 21.75 mi
2:12:57
Rank: #714 (+1)
21M → 35K
4:33 | 6:05/mi
23M
2:20:39
Rank: #695 (+19)
35K → 23M
7:42 | 6:09/mi
24M
2:26:41
Rank: #685 (+10)
23M → 24M
6:02 | 6:02/mi
40K· 24.85 mi
2:32:00
Rank: #669 (+16)
24M → 40K
5:19 | 6:13/mi
25.2M
2:34:15
Rank: #662 (+7)
40K → 25.2M
2:15 | 6:31/mi
Finish· 26.22 mi
2:40:05
Rank: #636 (+26)
25.2M → Finish
5:50 | 5:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:18
Pace6:03 /mi
2nd Half
Distance13.11 mi
Time1:20:47
Pace6:10 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:3819:046:0819:04
6:08
-
10K
6.21 mi10:38:0937:356:0318:31
5:58
-0:10
15K
9.32 mi10:56:4656:126:0218:37
6:00
+0:02
20K
12.43 mi11:15:481:15:146:0319:02
6:08
+0:08
Half
13.11 mi11:19:521:19:186:034:04
5:58
-0:10
25K
15.53 mi11:34:381:34:046:0314:46
6:05
+0:07
30K
18.64 mi11:53:541:53:206:0519:16
6:12
+0:07
20M
20.00 mi12:02:232:01:496:058:29
6:15
+0:03
21M
21.00 mi12:08:582:08:246:076:35
6:35
+0:20
35K
21.75 mi12:13:312:12:576:074:33
6:05
-0:30
23M
23.00 mi12:21:132:20:396:077:42
6:09
+0:04
24M
24.00 mi12:27:152:26:416:076:02
6:02
-0:07
40K
24.85 mi12:32:342:32:006:075:19
6:13
+0:11
25.2M
25.20 mi12:34:492:34:156:072:15
6:31
+0:18
Finish
26.22 mi12:40:392:40:056:075:50
5:43
-0:48

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

5:43 /mi

Average Pace

6:07 /mi

Slowest Pace

6:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31:15

94% of race

Time at Steady Pace

8:50

6% 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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:19:3819:046:0819:04
6:08
#975
10K
6.21 mi10:38:0937:356:0318:31
5:58
#827
15K
9.32 mi10:56:4656:126:0218:37
6:00
#781
20K
12.43 mi11:15:481:15:146:0319:02
6:08
#780
Half
13.11 mi11:19:521:19:186:034:04
5:58
#774
25K
15.53 mi11:34:381:34:046:0314:46
6:05
#746
30K
18.64 mi11:53:541:53:206:0519:16
6:12
#734
20M
20.00 mi12:02:232:01:496:058:29
6:15
#724
21M
21.00 mi12:08:582:08:246:076:35
6:35
#715
35K
21.75 mi12:13:312:12:576:074:33
6:05
#714
23M
23.00 mi12:21:132:20:396:077:42
6:09
#695
24M
24.00 mi12:27:152:26:416:076:02
6:02
#685
40K
24.85 mi12:32:342:32:006:075:19
6:13
#669
25.2M
25.20 mi12:34:492:34:156:072:15
6:31
#662
Finish
26.22 mi12:40:392:40:056:075:50
5:43
#636
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi975919919686(Top 3%)643(Top 4%)643(Top 12%)
10K6.21 mi3.10 mi827+148780+139780+139719(Top 3%)675(Top 4%)675(Top 13%)
15K9.32 mi3.11 mi781+46737+43737+43686(Top 3%)643(Top 4%)643(Top 12%)
20K12.43 mi3.11 mi780+1735+2735+2838(Top 3%)794(Top 5%)794(Top 15%)
Half13.11 mi0.68 mi774+6729+6729+6663(Top 2%)623(Top 4%)623(Top 12%)
25K15.53 mi2.42 mi746+28702+27702+27718(Top 3%)677(Top 4%)677(Top 13%)
30K18.64 mi3.11 mi734+12692+10692+10682(Top 3%)645(Top 4%)645(Top 12%)
20M20.00 mi1.36 mi724+10682+10682+10734(Top 3%)695(Top 5%)695(Top 13%)
21M21.00 mi1.00 mi715+9673+9673+9817(Top 3%)773(Top 5%)773(Top 15%)
35K21.75 mi0.75 mi714+1672+1672+1859(Top 3%)816(Top 5%)816(Top 15%)
23M23.00 mi1.25 mi695+19653+19653+19543(Top 2%)512(Top 3%)512(Top 10%)
24M24.00 mi1.00 mi685+10644+9644+9610(Top 2%)577(Top 4%)577(Top 11%)
40K24.85 mi0.85 mi669+16628+16628+16675(Top 3%)638(Top 4%)638(Top 12%)
25.2M25.20 mi0.35 mi662+7621+7621+7538(Top 2%)506(Top 3%)506(Top 10%)
Finish26.22 mi1.02 mi636+26596+25596+25270(Top 1%)253(Top 2%)253(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

686

Males

643

M18-39

643

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

719

Males

675

M18-39

675

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

686

Males

643

M18-39

643

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

838

Males

794

M18-39

794

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

663

Males

623

M18-39

623

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

718

Males

677

M18-39

677

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

682

Males

645

M18-39

645

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

734

Males

695

M18-39

695

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

817

Males

773

M18-39

773

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

859

Males

816

M18-39

816

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

543

Males

512

M18-39

512

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

610

Males

577

M18-39

577

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

675

Males

638

M18-39

638

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

538

Males

506

M18-39

506

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

270

Males

253

M18-39

253

Passing Analysis

Category:
Athletes Passed
448
Passed By
109
Net Change
+339
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#975
5K → 10K1568+148#975#827
10K → 15K515+46#827#781
15K → 20K2625+1#781#780
20K → Half93+6#780#774
Half → 25K379+28#774#746
25K → 30K2816+12#746#734
30K → 20M188+10#734#724
20M → 21M178+9#724#715
21M → 35K76+1#715#714
35K → 23M278+19#714#695
23M → 24M166+10#695#685
24M → 40K193+16#685#669
40K → 25.2M103+7#669#662
25.2M → Finish271+26#662#636
TOTALS448109+339
📊

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