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BOSTON MARATHON 2023

Baron Smith

Bib: 13874•M

AZ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
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
7:54/mi
24:33
↑ 97↓ 3451.5%
10K· 6.21 mi
7:48/mi
48:47
↑ 79↓ 1380.4%
15K· 9.32 mi
7:45/mi
1:12:52
↑ 67↓ 78
20K· 12.43 mi
7:57/mi
1:37:35
↑ 106↓ 860.1%
Half· 13.11 mi
7:49/mi
1:42:55
↑ 19↓ 370.5%
25K· 15.53 mi
8:03/mi
2:02:26
↑ 66↓ 880.2%
30K· 18.64 mi
8:27/mi
2:28:40
↑ 181↓ 1480.2%
20M
8:38/mi
2:40:24
↑ 64↓ 500.2%
21M
9:35/mi
2:49:59
↑ 106↓ 241.6%
35K· 21.75 mi
8:52/mi
2:56:37
↑ 17↓ 861.7%
23M
8:51/mi
3:07:42
↑ 23↓ 630.6%
24M
8:51/mi
3:16:33
↓ 821.3%
40K· 24.85 mi
9:33/mi
3:24:43
↓ 200.3%
25.2M
10:55/mi
3:28:29
↑ 13↓ 160.2%
Finish· 26.22 mi
9:25/mi
3:38:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:55
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:55:10
Pace8:47 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:0124:337:5424:33
7:54
-
10K
6.21 mi11:21:1548:477:5124:14
7:48
-0:06
15K
9.32 mi11:45:201:12:527:4924:05
7:45
-0:03
20K
12.43 mi12:10:031:37:357:5124:43
7:57
+0:12
Half
13.11 mi12:15:231:42:557:515:20
7:49
-0:08
25K
15.53 mi12:34:542:02:267:5319:31
8:03
+0:14
30K
18.64 mi13:01:082:28:407:5926:14
8:27
+0:24
20M
20.00 mi13:12:522:40:248:0111:44
8:38
+0:11
21M
21.00 mi13:22:272:49:598:069:35
9:35
+0:57
35K
21.75 mi13:29:052:56:378:076:38
8:52
-0:43
23M
23.00 mi13:40:103:07:428:1011:05
8:51
-0:01
24M
24.00 mi13:49:013:16:338:118:51
8:51
0:00
40K
24.85 mi13:57:113:24:438:148:10
9:33
+0:42
25.2M
25.20 mi14:00:573:28:298:163:46
10:55
+1:22
Finish
26.22 mi14:10:333:38:058:199:36
9:25
-1:30

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

7:45 /mi

Average Pace

8:19 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:26

56% of race

Time at Steady Pace

1:04:32

30% of race

Time at Slower Pace

31:07

14% of race

Average Pace: 8:19 /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 mi10:57:0124:337:5424:33
7:54
#13245
10K
6.21 mi11:21:1548:477:5124:14
7:48
#13190
15K
9.32 mi11:45:201:12:527:4924:05
7:45
#12854
20K
12.43 mi12:10:031:37:357:5124:43
7:57
#12870
Half
13.11 mi12:15:231:42:557:515:20
7:49
#12868
25K
15.53 mi12:34:542:02:267:5319:31
8:03
#12886
30K
18.64 mi13:01:082:28:407:5926:14
8:27
#13096
20M
20.00 mi13:12:522:40:248:0111:44
8:38
#13203
21M
21.00 mi13:22:272:49:598:069:35
9:35
#13404
35K
21.75 mi13:29:052:56:378:076:38
8:52
#13582
23M
23.00 mi13:40:103:07:428:1011:05
8:51
#13673
24M
24.00 mi13:49:013:16:338:118:51
8:51
#13801
40K
24.85 mi13:57:113:24:438:148:10
9:33
#14027
25.2M
25.20 mi14:00:573:28:298:163:46
10:55
#14192
Finish
26.22 mi14:10:333:38:058:199:36
9:25
#14449
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi132459651965112302(Top 46%)9211(Top 61%)9211(Top 648%)
10K6.21 mi3.10 mi13190+559613+389613+3813108(Top 49%)9598(Top 63%)9598(Top 675%)
15K9.32 mi3.11 mi12854+3369470+1439470+14312302(Top 46%)9211(Top 61%)9211(Top 648%)
20K12.43 mi3.11 mi12870-169450+209450+2013067(Top 49%)9470(Top 62%)9470(Top 666%)
Half13.11 mi0.68 mi12868+29449+19449+112848(Top 48%)9441(Top 62%)9441(Top 664%)
25K15.53 mi2.42 mi12886-189425+249425+2413133(Top 49%)9418(Top 62%)9418(Top 662%)
30K18.64 mi3.11 mi13096-2109469-449469-4413946(Top 52%)9627(Top 63%)9627(Top 677%)
20M20.00 mi1.36 mi13203-1079504-359504-3514464(Top 54%)9759(Top 64%)9759(Top 686%)
21M21.00 mi1.00 mi13404-2019568-649568-6416324(Top 61%)10486(Top 69%)10486(Top 737%)
35K21.75 mi0.75 mi13582-1789631-639631-6317244(Top 65%)10801(Top 71%)10801(Top 760%)
23M23.00 mi1.25 mi13673-919634-39634-315264(Top 57%)9921(Top 65%)9921(Top 698%)
24M24.00 mi1.00 mi13801-1289647-139647-1316463(Top 62%)10378(Top 68%)10378(Top 730%)
40K24.85 mi0.85 mi14027-2269718-719718-7118484(Top 69%)11252(Top 74%)11252(Top 791%)
25.2M25.20 mi0.35 mi14192-1659773-559773-5520233(Top 76%)12022(Top 79%)12022(Top 845%)
Finish26.22 mi1.02 mi14449-2579860-879860-8719815(Top 74%)11894(Top 78%)11894(Top 836%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

12302

Males

9211

M55-59

9211

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

13108

Males

9598

M55-59

9598

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

12302

Males

9211

M55-59

9211

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

13067

Males

9470

M55-59

9470

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12848

Males

9441

M55-59

9441

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

13133

Males

9418

M55-59

9418

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13946

Males

9627

M55-59

9627

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

14464

Males

9759

M55-59

9759

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

16324

Males

10486

M55-59

10486

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

17244

Males

10801

M55-59

10801

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

15264

Males

9921

M55-59

9921

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

16463

Males

10378

M55-59

10378

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18484

Males

11252

M55-59

11252

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20233

Males

12022

M55-59

12022

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2story building
+22ft-21ft

Overall

19815

Males

11894

M55-59

11894

Passing Analysis

Category:
Athletes Passed
1498
Passed By
2702
Net Change
-1204
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13245
5K → 10K334279+55#13245#13190
10K → 15K41377+336#13190#12854
15K → 20K188204-16#12854#12870
20K → Half3735+2#12870#12868
Half → 25K143161-18#12868#12886
25K → 30K122332-210#12886#13096
30K → 20M57164-107#13096#13203
20M → 21M36237-201#13203#13404
21M → 35K21199-178#13404#13582
35K → 23M62153-91#13582#13673
23M → 24M38166-128#13673#13801
24M → 40K24250-226#13801#14027
40K → 25.2M3168-165#14027#14192
25.2M → Finish20277-257#14192#14449
TOTALS14982702-1204
📊

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