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BOSTON MARATHON 2023

David Silva

Bib: 5028•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 17%
Masters (Masters Men)
#0 / 9891
Top 6%
Division (M40-44)
#0 / 2241
Top 17%
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
6:44/mi
20:55
↑ 97↓ 3451.5%
10K· 6.21 mi
6:29/mi
41:03
↑ 79↓ 1380.4%
15K· 9.32 mi
6:32/mi
1:01:22
↑ 67↓ 78
20K· 12.43 mi
6:46/mi
1:22:22
↑ 106↓ 860.1%
Half· 13.11 mi
6:42/mi
1:26:56
↑ 19↓ 370.5%
25K· 15.53 mi
6:45/mi
1:43:19
↑ 66↓ 880.2%
30K· 18.64 mi
6:44/mi
2:04:14
↑ 181↓ 1480.2%
20M
6:45/mi
2:13:25
↑ 64↓ 500.2%
21M
7:01/mi
2:20:26
↑ 106↓ 241.6%
35K· 21.75 mi
6:30/mi
2:25:18
↑ 17↓ 861.7%
23M
6:47/mi
2:33:48
↑ 23↓ 630.6%
24M
6:36/mi
2:40:24
↓ 821.3%
40K· 24.85 mi
6:42/mi
2:46:08
↓ 200.3%
25.2M
7:09/mi
2:48:36
↑ 13↓ 160.2%
Finish· 26.22 mi
6:38/mi
2:55:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:56
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:28:26
Pace6:45 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5420:556:4420:55
6:44
-
10K
6.21 mi10:44:0241:036:3620:08
6:29
-0:15
15K
9.32 mi11:04:211:01:226:3520:19
6:32
+0:03
20K
12.43 mi11:25:211:22:226:3821:00
6:46
+0:14
Half
13.11 mi11:29:551:26:566:384:34
6:42
-0:04
25K
15.53 mi11:46:181:43:196:3916:23
6:45
+0:03
30K
18.64 mi12:07:132:04:146:4020:55
6:44
-0:01
20M
20.00 mi12:16:242:13:256:409:11
6:45
+0:01
21M
21.00 mi12:23:252:20:266:417:01
7:01
+0:16
35K
21.75 mi12:28:172:25:186:414:52
6:30
-0:31
23M
23.00 mi12:36:472:33:486:418:30
6:47
+0:17
24M
24.00 mi12:43:232:40:246:416:36
6:36
-0:11
40K
24.85 mi12:49:072:46:086:415:44
6:42
+0:06
25.2M
25.20 mi12:51:352:48:366:412:28
7:09
+0:27
Finish
26.22 mi12:58:212:55:226:426:46
6:38
-0:31

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

6:29 /mi

Average Pace

6:42 /mi

Slowest Pace

7:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:54

99% of race

Time at Steady Pace

2:28

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:41 /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 mi10:23:5420:556:4420:55
6:44
#3936
10K
6.21 mi10:44:0241:036:3620:08
6:29
#3204
15K
9.32 mi11:04:211:01:226:3520:19
6:32
#3077
20K
12.43 mi11:25:211:22:226:3821:00
6:46
#3272
Half
13.11 mi11:29:551:26:566:384:34
6:42
#3329
25K
15.53 mi11:46:181:43:196:3916:23
6:45
#3362
30K
18.64 mi12:07:132:04:146:4020:55
6:44
#3150
20M
20.00 mi12:16:242:13:256:409:11
6:45
#3071
21M
21.00 mi12:23:252:20:266:417:01
7:01
#3003
35K
21.75 mi12:28:172:25:186:414:52
6:30
#2956
23M
23.00 mi12:36:472:33:486:418:30
6:47
#2895
24M
24.00 mi12:43:232:40:246:416:36
6:36
#2871
40K
24.85 mi12:49:072:46:086:415:44
6:42
#2806
25.2M
25.20 mi12:51:352:48:366:412:28
7:09
#2783
Finish
26.22 mi12:58:212:55:226:426:46
6:38
#2782
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3936369336932875(Top 11%)2747(Top 18%)2747(Top 123%)
10K6.21 mi3.10 mi3204+7323040+6533040+6532677(Top 10%)2560(Top 17%)2560(Top 114%)
15K9.32 mi3.11 mi3077+1272932+1082932+1082875(Top 11%)2747(Top 18%)2747(Top 123%)
20K12.43 mi3.11 mi3272-1953112-1803112-1804047(Top 15%)3793(Top 25%)3793(Top 169%)
Half13.11 mi0.68 mi3329-573165-533165-534164(Top 16%)3888(Top 26%)3888(Top 173%)
25K15.53 mi2.42 mi3362-333196-313196-313778(Top 14%)3552(Top 23%)3552(Top 159%)
30K18.64 mi3.11 mi3150+2123001+1953001+1952574(Top 10%)2448(Top 16%)2448(Top 109%)
20M20.00 mi1.36 mi3071+792925+762925+762565(Top 10%)2432(Top 16%)2432(Top 109%)
21M21.00 mi1.00 mi3003+682858+672858+672216(Top 8%)2094(Top 14%)2094(Top 93%)
35K21.75 mi0.75 mi2956+472814+442814+442442(Top 9%)2314(Top 15%)2314(Top 103%)
23M23.00 mi1.25 mi2895+612755+592755+592588(Top 10%)2429(Top 16%)2429(Top 108%)
24M24.00 mi1.00 mi2871+242728+272728+272556(Top 10%)2384(Top 16%)2384(Top 106%)
40K24.85 mi0.85 mi2806+652668+602668+602366(Top 9%)2196(Top 14%)2196(Top 98%)
25.2M25.20 mi0.35 mi2783+232644+242644+242306(Top 9%)2139(Top 14%)2139(Top 95%)
Finish26.22 mi1.02 mi2782+1264426443179(Top 12%)2856(Top 19%)2856(Top 127%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21story building
+97ft-345ft

Overall

2875

Males

2747

M40-44

2747

5K→10K

3.1 - 6.2 mi

Top 10%
×5story building
+79ft-138ft

Overall

2677

Males

2560

M40-44

2560

10K→15K

6.2 - 9.3 mi

Top 11%
×3story building
+67ft-78ft

Overall

2875

Males

2747

M40-44

2747

15K→20K

9.3 - 12.4 mi

Top 15%
×5story building
+106ft-86ft

Overall

4047

Males

3793

M40-44

3793

20K→Half

12.4 - 13.1 mi

Top 16%
×2story building
+19ft-37ft

Overall

4164

Males

3888

M40-44

3888

Half→25K

13.1 - 15.5 mi

Top 14%
×4story building
+66ft-88ft

Overall

3778

Males

3552

M40-44

3552

25K→30K

15.5 - 18.6 mi

Top 10%
×9story building
+181ft-148ft

Overall

2574

Males

2448

M40-44

2448

30K→20M

18.6 - 20.0 mi

Top 10%
×5story building
+64ft-50ft

Overall

2565

Males

2432

M40-44

2432

20M→21M

20.0 - 21.0 mi

Top 8%
×8story building
+106ft-24ft

Overall

2216

Males

2094

M40-44

2094

21M→35K

21.0 - 21.8 mi

Top 9%
×7story building
+17ft-86ft

Overall

2442

Males

2314

M40-44

2314

35K→23M

21.8 - 23.0 mi

Top 10%
×5story building
+23ft-63ft

Overall

2588

Males

2429

M40-44

2429

23M→24M

23.0 - 24.0 mi

Top 10%
×6story building
+12ft-82ft

Overall

2556

Males

2384

M40-44

2384

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2366

Males

2196

M40-44

2196

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2306

Males

2139

M40-44

2139

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2story building
+22ft-21ft

Overall

3179

Males

2856

M40-44

2856

Passing Analysis

Category:
Athletes Passed
1752
Passed By
598
Net Change
+1154
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3936
5K → 10K75018+732#3936#3204
10K → 15K16841+127#3204#3077
15K → 20K33228-195#3077#3272
20K → Half562-57#3272#3329
Half → 25K67100-33#3329#3362
25K → 30K22816+212#3362#3150
30K → 20M9011+79#3150#3071
20M → 21M8618+68#3071#3003
21M → 35K5710+47#3003#2956
35K → 23M8019+61#2956#2895
23M → 24M5228+24#2895#2871
24M → 40K727+65#2871#2806
40K → 25.2M296+23#2806#2783
25.2M → Finish3534+1#2783#2782
TOTALS1752598+1154
📊

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