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BOSTON MARATHON 2023

Cary Segall

Bib: 1567•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 13%
Gender (Male)
#0 / 15176
Top 21%
Masters (Masters Men)
#0 / 9891
Top 9%
Division (M45-49)
#0 / 2252
Top 11%
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
6:50/mi
21:14
↑ 97↓ 3451.5%
10K· 6.21 mi
6:50/mi
42:28
↑ 79↓ 1380.4%
15K· 9.32 mi
6:47/mi
1:03:34
↑ 67↓ 78
20K· 12.43 mi
6:50/mi
1:24:48
↑ 106↓ 860.1%
Half· 13.11 mi
6:43/mi
1:29:23
↑ 19↓ 370.5%
25K· 15.53 mi
6:48/mi
1:45:53
↑ 66↓ 880.2%
30K· 18.64 mi
6:53/mi
2:07:16
↑ 181↓ 1480.2%
20M
6:48/mi
2:16:31
↑ 64↓ 500.2%
21M
7:04/mi
2:23:35
↑ 106↓ 241.6%
35K· 21.75 mi
6:26/mi
2:28:24
↑ 17↓ 861.7%
23M
6:39/mi
2:36:44
↑ 23↓ 630.6%
24M
6:26/mi
2:43:10
↓ 821.3%
40K· 24.85 mi
6:31/mi
2:48:44
↓ 200.3%
25.2M
7:12/mi
2:51:13
↑ 13↓ 160.2%
Finish· 26.22 mi
6:27/mi
2:57:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:29:23
Pace6:49 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:28:24
Pace6:45 /mi
📊Negative Split: 1.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4021:146:5021:14
6:50
-
10K
6.21 mi10:42:5442:286:5021:14
6:50
0:00
15K
9.32 mi11:04:001:03:346:4921:06
6:47
-0:03
20K
12.43 mi11:25:141:24:486:4921:14
6:50
+0:03
Half
13.11 mi11:29:491:29:236:494:35
6:43
-0:07
25K
15.53 mi11:46:191:45:536:4916:30
6:48
+0:05
30K
18.64 mi12:07:422:07:166:5021:23
6:53
+0:05
20M
20.00 mi12:16:572:16:316:509:15
6:48
-0:05
21M
21.00 mi12:24:012:23:356:507:04
7:04
+0:16
35K
21.75 mi12:28:502:28:246:494:49
6:26
-0:38
23M
23.00 mi12:37:102:36:446:498:20
6:39
+0:13
24M
24.00 mi12:43:362:43:106:486:26
6:26
-0:13
40K
24.85 mi12:49:102:48:446:475:34
6:31
+0:05
25.2M
25.20 mi12:51:392:51:136:482:29
7:12
+0:41
Finish
26.22 mi12:58:132:57:476:476:34
6:27
-0:45

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

6:26 /mi

Average Pace

6:47 /mi

Slowest Pace

7:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:18

99% of race

Time at Steady Pace

2:29

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:47 /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 mi10:21:4021:146:5021:14
6:50
#4979
10K
6.21 mi10:42:5442:286:5021:14
6:50
#5242
15K
9.32 mi11:04:001:03:346:4921:06
6:47
#5171
20K
12.43 mi11:25:141:24:486:4921:14
6:50
#5056
Half
13.11 mi11:29:491:29:236:494:35
6:43
#5023
25K
15.53 mi11:46:191:45:536:4916:30
6:48
#4846
30K
18.64 mi12:07:422:07:166:5021:23
6:53
#4540
20M
20.00 mi12:16:572:16:316:509:15
6:48
#4375
21M
21.00 mi12:24:012:23:356:507:04
7:04
#4195
35K
21.75 mi12:28:502:28:246:494:49
6:26
#4076
23M
23.00 mi12:37:102:36:446:498:20
6:39
#3873
24M
24.00 mi12:43:362:43:106:486:26
6:26
#3713
40K
24.85 mi12:49:102:48:446:475:34
6:31
#3548
25.2M
25.20 mi12:51:392:51:136:482:29
7:12
#3517
Finish
26.22 mi12:58:132:57:476:476:34
6:27
#3427
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4979462146215003(Top 19%)4643(Top 31%)4643(Top 206%)
10K6.21 mi3.10 mi5242-2634848-2274848-2275591(Top 21%)5133(Top 34%)5133(Top 228%)
15K9.32 mi3.11 mi5171+714793+554793+555003(Top 19%)4643(Top 31%)4643(Top 206%)
20K12.43 mi3.11 mi5056+1154694+994694+994745(Top 18%)4407(Top 29%)4407(Top 196%)
Half13.11 mi0.68 mi5023+334666+284666+284436(Top 17%)4128(Top 27%)4128(Top 183%)
25K15.53 mi2.42 mi4846+1774507+1594507+1594174(Top 16%)3905(Top 26%)3905(Top 173%)
30K18.64 mi3.11 mi4540+3064238+2694238+2693533(Top 13%)3317(Top 22%)3317(Top 147%)
20M20.00 mi1.36 mi4375+1654084+1544084+1542873(Top 11%)2708(Top 18%)2708(Top 120%)
21M21.00 mi1.00 mi4195+1803928+1563928+1562483(Top 9%)2346(Top 15%)2346(Top 104%)
35K21.75 mi0.75 mi4076+1193824+1043824+1042162(Top 8%)2055(Top 14%)2055(Top 91%)
23M23.00 mi1.25 mi3873+2033644+1803644+1802001(Top 8%)1896(Top 12%)1896(Top 84%)
24M24.00 mi1.00 mi3713+1603495+1493495+1491839(Top 7%)1735(Top 11%)1735(Top 77%)
40K24.85 mi0.85 mi3548+1653349+1463349+1461599(Top 6%)1509(Top 10%)1509(Top 67%)
25.2M25.20 mi0.35 mi3517+313319+303319+302542(Top 10%)2355(Top 16%)2355(Top 105%)
Finish26.22 mi1.02 mi3427+903230+893230+892227(Top 8%)2067(Top 14%)2067(Top 92%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21story building
+97ft-345ft

Overall

5003

Males

4643

M45-49

4643

5K→10K

3.1 - 6.2 mi

Top 21%
×5story building
+79ft-138ft

Overall

5591

Males

5133

M45-49

5133

10K→15K

6.2 - 9.3 mi

Top 19%
×3story building
+67ft-78ft

Overall

5003

Males

4643

M45-49

4643

15K→20K

9.3 - 12.4 mi

Top 18%
×5story building
+106ft-86ft

Overall

4745

Males

4407

M45-49

4407

20K→Half

12.4 - 13.1 mi

Top 17%
×2story building
+19ft-37ft

Overall

4436

Males

4128

M45-49

4128

Half→25K

13.1 - 15.5 mi

Top 16%
×4story building
+66ft-88ft

Overall

4174

Males

3905

M45-49

3905

25K→30K

15.5 - 18.6 mi

Top 13%
×9story building
+181ft-148ft

Overall

3533

Males

3317

M45-49

3317

30K→20M

18.6 - 20.0 mi

Top 11%
×5story building
+64ft-50ft

Overall

2873

Males

2708

M45-49

2708

20M→21M

20.0 - 21.0 mi

Top 9%
×8story building
+106ft-24ft

Overall

2483

Males

2346

M45-49

2346

21M→35K

21.0 - 21.8 mi

Top 8%
×7story building
+17ft-86ft

Overall

2162

Males

2055

M45-49

2055

35K→23M

21.8 - 23.0 mi

Top 8%
×5story building
+23ft-63ft

Overall

2001

Males

1896

M45-49

1896

23M→24M

23.0 - 24.0 mi

Top 7%
×6story building
+12ft-82ft

Overall

1839

Males

1735

M45-49

1735

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1599

Males

1509

M45-49

1509

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2542

Males

2355

M45-49

2355

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2story building
+22ft-21ft

Overall

2227

Males

2067

M45-49

2067

Passing Analysis

Category:
Athletes Passed
2143
Passed By
591
Net Change
+1552
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4979
5K → 10K104367-263#4979#5242
10K → 15K14675+71#5242#5171
15K → 20K16853+115#5171#5056
20K → Half4512+33#5056#5023
Half → 25K20124+177#5023#4846
25K → 30K33226+306#4846#4540
30K → 20M1705+165#4540#4375
20M → 21M1844+180#4375#4195
21M → 35K1201+119#4195#4076
35K → 23M2041+203#4076#3873
23M → 24M1633+160#3873#3713
24M → 40K1661+165#3713#3548
40K → 25.2M387+31#3548#3517
25.2M → Finish10212+90#3517#3427
TOTALS2143591+1552
📊

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