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BOSTON MARATHON 2023

Patrick Flaherty

Bib: 29859•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
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
8:47/mi
27:16
↑ 97↓ 3451.5%
10K· 6.21 mi
8:38/mi
54:06
↑ 79↓ 1380.4%
15K· 9.32 mi
8:35/mi
1:20:47
↑ 67↓ 78
20K· 12.43 mi
8:33/mi
1:47:22
↑ 106↓ 860.1%
Half· 13.11 mi
8:27/mi
1:53:08
↑ 19↓ 370.5%
25K· 15.53 mi
8:33/mi
2:13:51
↑ 66↓ 880.2%
30K· 18.64 mi
8:47/mi
2:41:08
↑ 181↓ 1480.2%
20M
8:48/mi
2:53:06
↑ 64↓ 500.2%
21M
9:24/mi
3:02:30
↑ 106↓ 241.6%
35K· 21.75 mi
8:29/mi
3:08:51
↑ 17↓ 861.7%
23M
9:08/mi
3:20:17
↑ 23↓ 630.6%
24M
8:56/mi
3:29:13
↓ 821.3%
40K· 24.85 mi
9:18/mi
3:37:10
↓ 200.3%
25.2M
9:40/mi
3:40:30
↑ 13↓ 160.2%
Finish· 26.22 mi
8:47/mi
3:49:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:08
Pace8:38 /mi
2nd Half
Distance13.11 mi
Time1:56:19
Pace8:52 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:4327:168:4727:16
8:47
-
10K
6.21 mi12:10:3354:068:4226:50
8:38
-0:09
15K
9.32 mi12:37:141:20:478:4026:41
8:35
-0:03
20K
12.43 mi13:03:491:47:228:3826:35
8:33
-0:02
Half
13.11 mi13:09:351:53:088:385:46
8:27
-0:06
25K
15.53 mi13:30:182:13:518:3720:43
8:33
+0:06
30K
18.64 mi13:57:352:41:088:3927:17
8:47
+0:14
20M
20.00 mi14:09:332:53:068:3911:58
8:48
+0:01
21M
21.00 mi14:18:573:02:308:419:24
9:24
+0:36
35K
21.75 mi14:25:183:08:518:416:21
8:29
-0:55
23M
23.00 mi14:36:443:20:178:4211:26
9:08
+0:39
24M
24.00 mi14:45:403:29:138:438:56
8:56
-0:12
40K
24.85 mi14:53:373:37:108:447:57
9:18
+0:22
25.2M
25.20 mi14:56:573:40:308:453:20
9:40
+0:22
Finish
26.22 mi15:05:543:49:278:458:57
8:47
-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

8:45 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:28:46

91% of race

Time at Steady Pace

20:41

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:45 /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 mi11:43:4327:168:4727:16
8:47
#19320
10K
6.21 mi12:10:3354:068:4226:50
8:38
#19132
15K
9.32 mi12:37:141:20:478:4026:41
8:35
#18848
20K
12.43 mi13:03:491:47:228:3826:35
8:33
#18448
Half
13.11 mi13:09:351:53:088:385:46
8:27
#18374
25K
15.53 mi13:30:182:13:518:3720:43
8:33
#18051
30K
18.64 mi13:57:352:41:088:3927:17
8:47
#17626
20M
20.00 mi14:09:332:53:068:3911:58
8:48
#17447
21M
21.00 mi14:18:573:02:308:419:24
9:24
#17316
35K
21.75 mi14:25:183:08:518:416:21
8:29
#17243
23M
23.00 mi14:36:443:20:178:4211:26
9:08
#17221
24M
24.00 mi14:45:403:29:138:438:56
8:56
#17201
40K
24.85 mi14:53:373:37:108:447:57
9:18
#17213
25.2M
25.20 mi14:56:573:40:308:453:20
9:40
#17204
Finish
26.22 mi15:05:543:49:278:458:57
8:47
#17223
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi19320118991189918353(Top 69%)11625(Top 77%)11625(Top 220%)
10K6.21 mi3.10 mi19132+18811875+2411875+2419045(Top 72%)11917(Top 79%)11917(Top 225%)
15K9.32 mi3.11 mi18848+28411790+8511790+8518353(Top 69%)11625(Top 77%)11625(Top 220%)
20K12.43 mi3.11 mi18448+40011651+13911651+13917205(Top 65%)11134(Top 73%)11134(Top 211%)
Half13.11 mi0.68 mi18374+7411626+2511626+2517421(Top 65%)11255(Top 74%)11255(Top 213%)
25K15.53 mi2.42 mi18051+32311466+16011466+16016459(Top 62%)10742(Top 71%)10742(Top 203%)
30K18.64 mi3.11 mi17626+42511271+19511271+19515938(Top 60%)10456(Top 69%)10456(Top 198%)
20M20.00 mi1.36 mi17447+17911184+8711184+8715453(Top 58%)10194(Top 67%)10194(Top 193%)
21M21.00 mi1.00 mi17316+13111109+7511109+7515463(Top 58%)10122(Top 67%)10122(Top 192%)
35K21.75 mi0.75 mi17243+7311073+3611073+3615223(Top 57%)9969(Top 66%)9969(Top 189%)
23M23.00 mi1.25 mi17221+2211050+2311050+2316684(Top 63%)10536(Top 69%)10536(Top 199%)
24M24.00 mi1.00 mi17201+2011025+2511025+2516910(Top 64%)10587(Top 70%)10587(Top 200%)
40K24.85 mi0.85 mi17213-1211014+1111014+1117500(Top 66%)10798(Top 71%)10798(Top 204%)
25.2M25.20 mi0.35 mi17204+911004+1011004+1015928(Top 60%)10092(Top 66%)10092(Top 191%)
Finish26.22 mi1.02 mi17223-1911005-111005-116925(Top 64%)10576(Top 70%)10576(Top 200%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

18353

Males

11625

M18-39

11625

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

19045

Males

11917

M18-39

11917

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

18353

Males

11625

M18-39

11625

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

17205

Males

11134

M18-39

11134

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

17421

Males

11255

M18-39

11255

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

16459

Males

10742

M18-39

10742

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

15938

Males

10456

M18-39

10456

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

15453

Males

10194

M18-39

10194

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

15463

Males

10122

M18-39

10122

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

15223

Males

9969

M18-39

9969

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

16684

Males

10536

M18-39

10536

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

16910

Males

10587

M18-39

10587

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17500

Males

10798

M18-39

10798

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15928

Males

10092

M18-39

10092

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

16925

Males

10576

M18-39

10576

Passing Analysis

Category:
Athletes Passed
2849
Passed By
752
Net Change
+2097
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19320
5K → 10K456268+188#19320#19132
10K → 15K35470+284#19132#18848
15K → 20K42525+400#18848#18448
20K → Half8410+74#18448#18374
Half → 25K33916+323#18374#18051
25K → 30K44621+425#18051#17626
30K → 20M19213+179#17626#17447
20M → 21M15827+131#17447#17316
21M → 35K8714+73#17316#17243
35K → 23M9270+22#17243#17221
23M → 24M7757+20#17221#17201
24M → 40K6173-12#17201#17213
40K → 25.2M2718+9#17213#17204
25.2M → Finish5170-19#17204#17223
TOTALS2849752+2097
📊

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