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BOSTON MARATHON 2023

David Plaza

Bib: 31617•M

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

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
9:11/mi
28:32
↑ 97↓ 3451.5%
10K· 6.21 mi
8:39/mi
55:24
↑ 79↓ 1380.4%
15K· 9.32 mi
8:40/mi
1:22:19
↑ 67↓ 78
20K· 12.43 mi
8:53/mi
1:49:56
↑ 106↓ 860.1%
Half· 13.11 mi
8:59/mi
1:56:04
↑ 19↓ 370.5%
25K· 15.53 mi
9:20/mi
2:18:41
↑ 66↓ 880.2%
30K· 18.64 mi
10:10/mi
2:50:15
↑ 181↓ 1480.2%
20M
11:02/mi
3:05:15
↑ 64↓ 500.2%
21M
12:18/mi
3:17:33
↑ 106↓ 241.6%
35K· 21.75 mi
10:36/mi
3:25:29
↑ 17↓ 861.7%
23M
11:36/mi
3:40:00
↑ 23↓ 630.6%
24M
11:15/mi
3:51:15
↓ 821.3%
40K· 24.85 mi
11:04/mi
4:00:43
↓ 200.3%
25.2M
10:58/mi
4:04:30
↑ 13↓ 160.2%
Finish· 26.22 mi
9:27/mi
4:14:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:04
Pace8:51 /mi
2nd Half
Distance13.11 mi
Time2:18:04
Pace10:32 /mi
📊Positive Split: 19.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:4928:329:1128:32
9:11
-
10K
6.21 mi12:16:4155:248:5526:52
8:39
-0:32
15K
9.32 mi12:43:361:22:198:5026:55
8:40
+0:01
20K
12.43 mi13:11:131:49:568:5127:37
8:53
+0:13
Half
13.11 mi13:17:211:56:048:516:08
8:59
+0:06
25K
15.53 mi13:39:582:18:418:5622:37
9:20
+0:21
30K
18.64 mi14:11:322:50:159:0831:34
10:10
+0:50
20M
20.00 mi14:26:323:05:159:1615:00
11:02
+0:52
21M
21.00 mi14:38:503:17:339:2412:18
12:18
+1:16
35K
21.75 mi14:46:463:25:299:277:56
10:36
-1:42
23M
23.00 mi15:01:173:40:009:3414:31
11:36
+1:00
24M
24.00 mi15:12:323:51:159:3811:15
11:15
-0:21
40K
24.85 mi15:22:004:00:439:419:28
11:04
-0:11
25.2M
25.20 mi15:25:474:04:309:423:47
10:58
-0:06
Finish
26.22 mi15:35:254:14:089:429:38
9:27
-1:31

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

8:39 /mi

Average Pace

9:42 /mi

Slowest Pace

12:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:19

58% of race

Time at Steady Pace

39:30

16% of race

Time at Slower Pace

1:06:19

26% of race

Average Pace: 9:42 /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 mi11:49:4928:329:1128:32
9:11
#21178
10K
6.21 mi12:16:4155:248:5526:52
8:39
#20293
15K
9.32 mi12:43:361:22:198:5026:55
8:40
#19780
20K
12.43 mi13:11:131:49:568:5127:37
8:53
#19573
Half
13.11 mi13:17:211:56:048:516:08
8:59
#19623
25K
15.53 mi13:39:582:18:418:5622:37
9:20
#19771
30K
18.64 mi14:11:322:50:159:0831:34
10:10
#20213
20M
20.00 mi14:26:323:05:159:1615:00
11:02
#20484
21M
21.00 mi14:38:503:17:339:2412:18
12:18
#20714
35K
21.75 mi14:46:463:25:299:277:56
10:36
#20800
23M
23.00 mi15:01:173:40:009:3414:31
11:36
#21017
24M
24.00 mi15:12:323:51:159:3811:15
11:15
#21167
40K
24.85 mi15:22:004:00:439:419:28
11:04
#21230
25.2M
25.20 mi15:25:474:04:309:423:47
10:58
#21211
Finish
26.22 mi15:35:254:14:089:429:38
9:27
#21171
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi21178126931269318816(Top 71%)11802(Top 78%)11802(Top 575%)
10K6.21 mi3.10 mi20293+88512358+33512358+33519133(Top 72%)11948(Top 79%)11948(Top 582%)
15K9.32 mi3.11 mi19780+51312150+20812150+20818816(Top 71%)11802(Top 78%)11802(Top 575%)
20K12.43 mi3.11 mi19573+20712082+6812082+6819169(Top 72%)11953(Top 79%)11953(Top 583%)
Half13.11 mi0.68 mi19623-5012104-2212104-2220454(Top 77%)12482(Top 82%)12482(Top 608%)
25K15.53 mi2.42 mi19771-14812159-5512159-5520291(Top 76%)12409(Top 82%)12409(Top 605%)
30K18.64 mi3.11 mi20213-44212341-18212341-18221446(Top 81%)12824(Top 85%)12824(Top 625%)
20M20.00 mi1.36 mi20484-27112452-11112452-11122775(Top 86%)13354(Top 88%)13354(Top 651%)
21M21.00 mi1.00 mi20714-23012551-9912551-9923211(Top 87%)13526(Top 89%)13526(Top 659%)
35K21.75 mi0.75 mi20800-8612569-1812569-1822608(Top 85%)13205(Top 87%)13205(Top 644%)
23M23.00 mi1.25 mi21017-21712655-8612655-8623414(Top 88%)13577(Top 89%)13577(Top 662%)
24M24.00 mi1.00 mi21167-15012707-5212707-5223522(Top 88%)13590(Top 90%)13590(Top 662%)
40K24.85 mi0.85 mi21230-6312732-2512732-2522519(Top 85%)13087(Top 86%)13087(Top 638%)
25.2M25.20 mi0.35 mi21211+1912720+1212720+1220455(Top 77%)12123(Top 80%)12123(Top 591%)
Finish26.22 mi1.02 mi21171+4012685+3512685+3519990(Top 75%)11968(Top 79%)11968(Top 583%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

18816

Males

11802

M50-54

11802

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

19133

Males

11948

M50-54

11948

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

18816

Males

11802

M50-54

11802

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

19169

Males

11953

M50-54

11953

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

20454

Males

12482

M50-54

12482

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

20291

Males

12409

M50-54

12409

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

21446

Males

12824

M50-54

12824

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

22775

Males

13354

M50-54

13354

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

23211

Males

13526

M50-54

13526

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

22608

Males

13205

M50-54

13205

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

23414

Males

13577

M50-54

13577

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

23522

Males

13590

M50-54

13590

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22519

Males

13087

M50-54

13087

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

20455

Males

12123

M50-54

12123

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

19990

Males

11968

M50-54

11968

Passing Analysis

Category:
Athletes Passed
2157
Passed By
2150
Net Change
+7
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21178
5K → 10K94257+885#21178#20293
10K → 15K55643+513#20293#19780
15K → 20K28275+207#19780#19573
20K → Half1868-50#19573#19623
Half → 25K67215-148#19623#19771
25K → 30K57499-442#19771#20213
30K → 20M26297-271#20213#20484
20M → 21M24254-230#20484#20714
21M → 35K20106-86#20714#20800
35K → 23M26243-217#20800#21017
23M → 24M20170-150#21017#21167
24M → 40K3093-63#21167#21230
40K → 25.2M2910+19#21230#21211
25.2M → Finish6020+40#21211#21171
TOTALS21572150+7
📊

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