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BOSTON MARATHON 2023

Dave Parsons

Bib: 14517•M

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:34
Rank: #15650
Start → 5K
25:34 | 8:14/mi
10K· 6.21 mi
51:17
Rank: #16189 (-539)
5K → 10K
25:43 | 8:17/mi
15K· 9.32 mi
1:16:58
Rank: #16228 (-39)
10K → 15K
25:41 | 8:16/mi
20K· 12.43 mi
1:42:52
Rank: #16098 (+130)
15K → 20K
25:54 | 8:20/mi
Half· 13.11 mi
1:48:29
Rank: #16097 (+1)
20K → Half
5:37 | 8:14/mi
25K· 15.53 mi
2:09:12
Rank: #16152 (-55)
Half → 25K
20:43 | 8:33/mi
30K· 18.64 mi
2:37:12
Rank: #16369 (-217)
25K → 30K
28:00 | 9:01/mi
20M
2:49:37
Rank: #16412 (-43)
30K → 20M
12:25 | 9:08/mi
21M
2:59:11
Rank: #16383 (+29)
20M → 21M
9:34 | 9:34/mi
35K· 21.75 mi
3:05:42
Rank: #16379 (+4)
21M → 35K
6:31 | 8:43/mi
23M
3:17:12
Rank: #16413 (-34)
35K → 23M
11:30 | 9:11/mi
24M
3:26:54
Rank: #16627 (-214)
23M → 24M
9:42 | 9:42/mi
40K· 24.85 mi
3:35:30
Rank: #16821 (-194)
24M → 40K
8:36 | 10:04/mi
25.2M
3:39:19
Rank: #16923 (-102)
40K → 25.2M
3:49 | 11:04/mi
Finish· 26.22 mi
3:49:00
Rank: #17106 (-183)
25.2M → Finish
9:41 | 9:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:29
Pace8:17 /mi
2nd Half
Distance13.11 mi
Time2:00:31
Pace9:12 /mi
📊Positive Split: 11.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:5725:348:1425:34
8:14
-
10K
6.21 mi11:20:4051:178:1525:43
8:17
+0:03
15K
9.32 mi11:46:211:16:588:1525:41
8:16
-0:01
20K
12.43 mi12:12:151:42:528:1725:54
8:20
+0:04
Half
13.11 mi12:17:521:48:298:175:37
8:14
-0:06
25K
15.53 mi12:38:352:09:128:1920:43
8:33
+0:19
30K
18.64 mi13:06:352:37:128:2628:00
9:01
+0:28
20M
20.00 mi13:19:002:49:378:2912:25
9:08
+0:07
21M
21.00 mi13:28:342:59:118:329:34
9:34
+0:26
35K
21.75 mi13:35:053:05:428:326:31
8:43
-0:51
23M
23.00 mi13:46:353:17:128:3411:30
9:11
+0:28
24M
24.00 mi13:56:173:26:548:379:42
9:42
+0:31
40K
24.85 mi14:04:533:35:308:408:36
10:04
+0:22
25.2M
25.20 mi14:08:423:39:198:423:49
11:04
+1:00
Finish
26.22 mi14:18:233:49:008:449:41
9:30
-1:34

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

8:14 /mi

Average Pace

8:44 /mi

Slowest Pace

11:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:12

56% of race

Time at Steady Pace

58:26

26% of race

Time at Slower Pace

41:22

18% of race

Average Pace: 8:44 /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 mi10:54:5725:348:1425:34
8:14
#15650
10K
6.21 mi11:20:4051:178:1525:43
8:17
#16189
15K
9.32 mi11:46:211:16:588:1525:41
8:16
#16228
20K
12.43 mi12:12:151:42:528:1725:54
8:20
#16098
Half
13.11 mi12:17:521:48:298:175:37
8:14
#16097
25K
15.53 mi12:38:352:09:128:1920:43
8:33
#16152
30K
18.64 mi13:06:352:37:128:2628:00
9:01
#16369
20M
20.00 mi13:19:002:49:378:2912:25
9:08
#16412
21M
21.00 mi13:28:342:59:118:329:34
9:34
#16383
35K
21.75 mi13:35:053:05:428:326:31
8:43
#16379
23M
23.00 mi13:46:353:17:128:3411:30
9:11
#16413
24M
24.00 mi13:56:173:26:548:379:42
9:42
#16627
40K
24.85 mi14:04:533:35:308:408:36
10:04
#16821
25.2M
25.20 mi14:08:423:39:198:423:49
11:04
#16923
Finish
26.22 mi14:18:233:49:008:449:41
9:30
#17106
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi15650105631056316317(Top 61%)10812(Top 71%)10812(Top 527%)
10K6.21 mi3.10 mi16189-53910781-21810781-21816762(Top 63%)11016(Top 73%)11016(Top 537%)
15K9.32 mi3.11 mi16228-3910782-110782-116317(Top 61%)10812(Top 71%)10812(Top 527%)
20K12.43 mi3.11 mi16098+13010713+6910713+6915842(Top 60%)10575(Top 70%)10575(Top 515%)
Half13.11 mi0.68 mi16097+110705+810705+815997(Top 60%)10697(Top 70%)10697(Top 521%)
25K15.53 mi2.42 mi16152-5510706-110706-116456(Top 62%)10739(Top 71%)10739(Top 523%)
30K18.64 mi3.11 mi16369-21710742-3610742-3617231(Top 65%)11006(Top 73%)11006(Top 536%)
20M20.00 mi1.36 mi16412-4310736+610736+617235(Top 65%)10913(Top 72%)10913(Top 532%)
21M21.00 mi1.00 mi16383+2910719+1710719+1716263(Top 61%)10471(Top 69%)10471(Top 510%)
35K21.75 mi0.75 mi16379+410713+610713+616440(Top 62%)10457(Top 69%)10457(Top 510%)
23M23.00 mi1.25 mi16413-3410714-110714-116960(Top 64%)10669(Top 70%)10669(Top 520%)
24M24.00 mi1.00 mi16627-21410783-6910783-6919876(Top 75%)11946(Top 79%)11946(Top 582%)
40K24.85 mi0.85 mi16821-19410844-6110844-6120109(Top 76%)11968(Top 79%)11968(Top 583%)
25.2M25.20 mi0.35 mi16923-10210875-3110875-3120576(Top 77%)12183(Top 80%)12183(Top 594%)
Finish26.22 mi1.02 mi17106-18310953-7810953-7820115(Top 76%)12023(Top 79%)12023(Top 586%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

16317

Males

10812

M50-54

10812

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

16762

Males

11016

M50-54

11016

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

16317

Males

10812

M50-54

10812

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

15842

Males

10575

M50-54

10575

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

15997

Males

10697

M50-54

10697

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

16456

Males

10739

M50-54

10739

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

17231

Males

11006

M50-54

11006

30K→20M

18.6 - 20.0 mi

Top 65%
×5stories
+64ft-50ft

Overall

17235

Males

10913

M50-54

10913

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

16263

Males

10471

M50-54

10471

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

16440

Males

10457

M50-54

10457

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

16960

Males

10669

M50-54

10669

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

19876

Males

11946

M50-54

11946

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20109

Males

11968

M50-54

11968

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

20576

Males

12183

M50-54

12183

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2stories
+22ft-21ft

Overall

20115

Males

12023

M50-54

12023

Passing Analysis

Category:
Athletes Passed
1135
Passed By
2591
Net Change
-1456
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15650
5K → 10K112651-539#15650#16189
10K → 15K174213-39#16189#16228
15K → 20K231101+130#16228#16098
20K → Half3736+1#16098#16097
Half → 25K130185-55#16097#16152
25K → 30K109326-217#16152#16369
30K → 20M68111-43#16369#16412
20M → 21M9364+29#16412#16383
21M → 35K4440+4#16383#16379
35K → 23M71105-34#16379#16413
23M → 24M21235-214#16413#16627
24M → 40K15209-194#16627#16821
40K → 25.2M9111-102#16821#16923
25.2M → Finish21204-183#16923#17106
TOTALS11352591-1456
📊

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