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BOSTON MARATHON 2023

Dave O'Hara

Bib: 27525•M

SD

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
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
9:03/mi
28:08
↑ 97↓ 3451.5%
10K· 6.21 mi
8:36/mi
54:50
↑ 79↓ 1380.4%
15K· 9.32 mi
8:27/mi
1:21:05
↑ 67↓ 78
20K· 12.43 mi
8:38/mi
1:47:53
↑ 106↓ 860.1%
Half· 13.11 mi
8:32/mi
1:53:42
↑ 19↓ 370.5%
25K· 15.53 mi
8:44/mi
2:14:53
↑ 66↓ 880.2%
30K· 18.64 mi
9:00/mi
2:42:52
↑ 181↓ 1480.2%
20M
8:59/mi
2:55:05
↑ 64↓ 500.2%
21M
9:12/mi
3:04:17
↑ 106↓ 241.6%
35K· 21.75 mi
8:47/mi
3:10:51
↑ 17↓ 861.7%
23M
9:13/mi
3:22:23
↑ 23↓ 630.6%
24M
9:09/mi
3:31:32
↓ 821.3%
40K· 24.85 mi
9:04/mi
3:39:17
↓ 200.3%
25.2M
9:49/mi
3:42:40
↑ 13↓ 160.2%
Finish· 26.22 mi
8:56/mi
3:51:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:42
Pace8:40 /mi
2nd Half
Distance13.11 mi
Time1:58:04
Pace9:00 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:0628:089:0328:08
9:03
-
10K
6.21 mi12:11:4854:508:4926:42
8:36
-0:27
15K
9.32 mi12:38:031:21:058:4226:15
8:27
-0:09
20K
12.43 mi13:04:511:47:538:4126:48
8:38
+0:11
Half
13.11 mi13:10:401:53:428:405:49
8:32
-0:06
25K
15.53 mi13:31:512:14:538:4121:11
8:44
+0:12
30K
18.64 mi13:59:502:42:528:4427:59
9:00
+0:16
20M
20.00 mi14:12:032:55:058:4512:13
8:59
-0:01
21M
21.00 mi14:21:153:04:178:479:12
9:12
+0:13
35K
21.75 mi14:27:493:10:518:476:34
8:47
-0:25
23M
23.00 mi14:39:213:22:238:4811:32
9:13
+0:26
24M
24.00 mi14:48:303:31:328:499:09
9:09
-0:04
40K
24.85 mi14:56:153:39:178:497:45
9:04
-0:05
25.2M
25.20 mi14:59:383:42:408:503:23
9:49
+0:45
Finish
26.22 mi15:08:443:51:468:519:06
8:56
-0:53

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

8:27 /mi

Average Pace

8:51 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:48:23

99% of race

Time at Steady Pace

3:23

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:50 /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 mi11:45:0628:089:0328:08
9:03
#20691
10K
6.21 mi12:11:4854:508:4926:42
8:36
#19813
15K
9.32 mi12:38:031:21:058:4226:15
8:27
#19040
20K
12.43 mi13:04:511:47:538:4126:48
8:38
#18706
Half
13.11 mi13:10:401:53:428:405:49
8:32
#18656
25K
15.53 mi13:31:512:14:538:4121:11
8:44
#18481
30K
18.64 mi13:59:502:42:528:4427:59
9:00
#18199
20M
20.00 mi14:12:032:55:058:4512:13
8:59
#18067
21M
21.00 mi14:21:153:04:178:479:12
9:12
#17830
35K
21.75 mi14:27:493:10:518:476:34
8:47
#17790
23M
23.00 mi14:39:213:22:238:4811:32
9:13
#17765
24M
24.00 mi14:48:303:31:328:499:09
9:09
#17798
40K
24.85 mi14:56:153:39:178:497:45
9:04
#17752
25.2M
25.20 mi14:59:383:42:408:503:23
9:49
#17738
Finish
26.22 mi15:08:443:51:468:519:06
8:56
#17739
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi20691124511245117479(Top 66%)11256(Top 74%)11256(Top 1014%)
10K6.21 mi3.10 mi19813+87812130+32112130+32118821(Top 71%)11823(Top 78%)11823(Top 1065%)
15K9.32 mi3.11 mi19040+77311865+26511865+26517479(Top 66%)11256(Top 74%)11256(Top 1014%)
20K12.43 mi3.11 mi18706+33411745+12011745+12017669(Top 66%)11318(Top 75%)11318(Top 1020%)
Half13.11 mi0.68 mi18656+5011727+1811727+1817928(Top 67%)11451(Top 75%)11451(Top 1032%)
25K15.53 mi2.42 mi18481+17511641+8611641+8617605(Top 66%)11238(Top 74%)11238(Top 1012%)
30K18.64 mi3.11 mi18199+28211489+15211489+15217222(Top 65%)10998(Top 72%)10998(Top 991%)
20M20.00 mi1.36 mi18067+13211417+7211417+7216527(Top 62%)10617(Top 70%)10617(Top 956%)
21M21.00 mi1.00 mi17830+23711322+9511322+9514519(Top 55%)9720(Top 64%)9720(Top 876%)
35K21.75 mi0.75 mi17790+4011294+2811294+2816887(Top 63%)10637(Top 70%)10637(Top 958%)
23M23.00 mi1.25 mi17765+2511264+3011264+3017149(Top 64%)10752(Top 71%)10752(Top 969%)
24M24.00 mi1.00 mi17798-3311273-911273-917893(Top 67%)11011(Top 73%)11011(Top 992%)
40K24.85 mi0.85 mi17752+4611245+2811245+2816527(Top 62%)10352(Top 68%)10352(Top 933%)
25.2M25.20 mi0.35 mi17738+1411232+1311232+1316704(Top 63%)10394(Top 68%)10394(Top 936%)
Finish26.22 mi1.02 mi17739-111220+1211220+1217664(Top 66%)10896(Top 72%)10896(Top 982%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

17479

Males

11256

M60-64

11256

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

18821

Males

11823

M60-64

11823

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

17479

Males

11256

M60-64

11256

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

17669

Males

11318

M60-64

11318

20K→Half

12.4 - 13.1 mi

Top 67%
×2story building
+19ft-37ft

Overall

17928

Males

11451

M60-64

11451

Half→25K

13.1 - 15.5 mi

Top 66%
×4story building
+66ft-88ft

Overall

17605

Males

11238

M60-64

11238

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

17222

Males

10998

M60-64

10998

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

16527

Males

10617

M60-64

10617

20M→21M

20.0 - 21.0 mi

Top 55%
×8story building
+106ft-24ft

Overall

14519

Males

9720

M60-64

9720

21M→35K

21.0 - 21.8 mi

Top 63%
×7story building
+17ft-86ft

Overall

16887

Males

10637

M60-64

10637

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

17149

Males

10752

M60-64

10752

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

17893

Males

11011

M60-64

11011

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16527

Males

10352

M60-64

10352

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16704

Males

10394

M60-64

10394

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

17664

Males

10896

M60-64

10896

Passing Analysis

Category:
Athletes Passed
3519
Passed By
567
Net Change
+2952
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20691
5K → 10K95981+878#20691#19813
10K → 15K79118+773#19813#19040
15K → 20K36228+334#19040#18706
20K → Half599+50#18706#18656
Half → 25K22247+175#18656#18481
25K → 30K33755+282#18481#18199
30K → 20M15523+132#18199#18067
20M → 21M2458+237#18067#17830
21M → 35K6929+40#17830#17790
35K → 23M9570+25#17790#17765
23M → 24M5487-33#17765#17798
24M → 40K8539+46#17798#17752
40K → 25.2M239+14#17752#17738
25.2M → Finish6364-1#17738#17739
TOTALS3519567+2952
📊

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