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BOSTON MARATHON 2023

David Stevenson

Bib: 13388•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Top 48%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:41
Rank: #15913
Start → 5K
8:16/mi
25:41 split
10K· 6.21 mi
50:55
Rank: #15771 (+142)
5K → 10K
8:07/mi
25:14 split
15K· 9.32 mi
1:16:03
Rank: #15536 (+235)
10K → 15K
8:05/mi
25:08 split
20K· 12.43 mi
1:41:32
Rank: #15370 (+166)
15K → 20K
8:12/mi
25:29 split
Half· 13.11 mi
1:47:04
Rank: #15353 (+17)
20K → Half
8:07/mi
5:32 split
25K· 15.53 mi
2:07:02
Rank: #15190 (+163)
Half → 25K
8:14/mi
19:58 split
30K· 18.64 mi
2:33:03
Rank: #14885 (+305)
25K → 30K
8:22/mi
26:01 split
20M
2:44:26
Rank: #14707 (+178)
30K → 20M
8:23/mi
11:23 split
21M
2:53:09
Rank: #14508 (+199)
20M → 21M
8:43/mi
8:43 split
35K· 21.75 mi
2:59:11
Rank: #14449 (+59)
21M → 35K
8:04/mi
6:02 split
23M
3:09:37
Rank: #14283 (+166)
35K → 23M
8:20/mi
10:26 split
24M
3:17:49
Rank: #14183 (+100)
23M → 24M
8:12/mi
8:12 split
40K· 24.85 mi
3:24:53
Rank: #14078 (+105)
24M → 40K
8:16/mi
7:04 split
25.2M
3:27:53
Rank: #14010 (+68)
40K → 25.2M
8:42/mi
3:00 split
Finish· 26.22 mi
3:36:04
Rank: #13922 (+88)
25.2M → Finish
8:02/mi
8:11 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:04
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time1:49:00
Pace8:19 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:2325:418:1625:41
8:16
-
10K
6.21 mi11:44:3750:558:1225:14
8:07
-0:09
15K
9.32 mi12:09:451:16:038:1025:08
8:05
-0:02
20K
12.43 mi12:35:141:41:328:1025:29
8:12
+0:07
Half
13.11 mi12:40:461:47:048:105:32
8:07
-0:05
25K
15.53 mi13:00:442:07:028:1119:58
8:14
+0:07
30K
18.64 mi13:26:452:33:038:1326:01
8:22
+0:08
20M
20.00 mi13:38:082:44:268:1311:23
8:23
+0:01
21M
21.00 mi13:46:512:53:098:158:43
8:43
+0:20
35K
21.75 mi13:52:532:59:118:146:02
8:04
-0:39
23M
23.00 mi14:03:193:09:378:1510:26
8:20
+0:16
24M
24.00 mi14:11:313:17:498:158:12
8:12
-0:08
40K
24.85 mi14:18:353:24:538:157:04
8:16
+0:04
25.2M
25.20 mi14:21:353:27:538:153:00
8:42
+0:26
Finish
26.22 mi14:29:463:36:048:158:11
8:02
-0:40

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

8:02 /mi

Average Pace

8:15 /mi

Slowest Pace

8:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:24:21

95% of race

Time at Steady Pace

11:43

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:14 /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 mi11:19:2325:418:1625:41
8:16
#15913
10K
6.21 mi11:44:3750:558:1225:14
8:07
#15771
15K
9.32 mi12:09:451:16:038:1025:08
8:05
#15536
20K
12.43 mi12:35:141:41:328:1025:29
8:12
#15370
Half
13.11 mi12:40:461:47:048:105:32
8:07
#15353
25K
15.53 mi13:00:442:07:028:1119:58
8:14
#15190
30K
18.64 mi13:26:452:33:038:1326:01
8:22
#14885
20M
20.00 mi13:38:082:44:268:1311:23
8:23
#14707
21M
21.00 mi13:46:512:53:098:158:43
8:43
#14508
35K
21.75 mi13:52:532:59:118:146:02
8:04
#14449
23M
23.00 mi14:03:193:09:378:1510:26
8:20
#14283
24M
24.00 mi14:11:313:17:498:158:12
8:12
#14183
40K
24.85 mi14:18:353:24:538:157:04
8:16
#14078
25.2M
25.20 mi14:21:353:27:538:153:00
8:42
#14010
Finish
26.22 mi14:29:463:36:048:158:11
8:02
#13922
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi15913106681066815083(Top 57%)10342(Top 68%)10342(Top 727%)
10K6.21 mi3.10 mi15771+14210610+5810610+5815661(Top 59%)10581(Top 70%)10581(Top 744%)
15K9.32 mi3.11 mi15536+23510517+9310517+9315083(Top 57%)10342(Top 68%)10342(Top 727%)
20K12.43 mi3.11 mi15370+16610436+8110436+8114960(Top 56%)10253(Top 68%)10253(Top 721%)
Half13.11 mi0.68 mi15353+1710423+1310423+1315156(Top 57%)10349(Top 68%)10349(Top 728%)
25K15.53 mi2.42 mi15190+16310337+8610337+8614475(Top 54%)9959(Top 66%)9959(Top 700%)
30K18.64 mi3.11 mi14885+30510196+14110196+14113510(Top 51%)9464(Top 62%)9464(Top 666%)
20M20.00 mi1.36 mi14707+17810103+9310103+9312860(Top 48%)9066(Top 60%)9066(Top 638%)
21M21.00 mi1.00 mi14508+1999990+1139990+11311758(Top 44%)8474(Top 56%)8474(Top 596%)
35K21.75 mi0.75 mi14449+599956+349956+3412557(Top 47%)8808(Top 58%)8808(Top 619%)
23M23.00 mi1.25 mi14283+1669863+939863+9312120(Top 46%)8529(Top 56%)8529(Top 600%)
24M24.00 mi1.00 mi14183+1009804+599804+5912581(Top 47%)8671(Top 57%)8671(Top 610%)
40K24.85 mi0.85 mi14078+1059739+659739+6511785(Top 44%)8226(Top 54%)8226(Top 578%)
25.2M25.20 mi0.35 mi14010+689707+329707+3210735(Top 40%)7692(Top 51%)7692(Top 541%)
Finish26.22 mi1.02 mi13922+889659+489659+4812328(Top 46%)8442(Top 56%)8442(Top 594%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

15083

Males

10342

M55-59

10342

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15661

Males

10581

M55-59

10581

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

15083

Males

10342

M55-59

10342

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

14960

Males

10253

M55-59

10253

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

15156

Males

10349

M55-59

10349

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

14475

Males

9959

M55-59

9959

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

13510

Males

9464

M55-59

9464

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

12860

Males

9066

M55-59

9066

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

11758

Males

8474

M55-59

8474

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12557

Males

8808

M55-59

8808

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

12120

Males

8529

M55-59

8529

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

12581

Males

8671

M55-59

8671

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11785

Males

8226

M55-59

8226

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10735

Males

7692

M55-59

7692

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

12328

Males

8442

M55-59

8442

Passing Analysis

Category:
Athletes Passed
2661
Passed By
670
Net Change
+1991
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15913
5K → 10K368226+142#15913#15771
10K → 15K32792+235#15771#15536
15K → 20K25488+166#15536#15370
20K → Half4528+17#15370#15353
Half → 25K21552+163#15353#15190
25K → 30K35651+305#15190#14885
30K → 20M19012+178#14885#14707
20M → 21M20910+199#14707#14508
21M → 35K7415+59#14508#14449
35K → 23M18519+166#14449#14283
23M → 24M12222+100#14283#14183
24M → 40K12621+105#14183#14078
40K → 25.2M724+68#14078#14010
25.2M → Finish11830+88#14010#13922
TOTALS2661670+1991
📊

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