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BOSTON MARATHON 2023

Larry Slate

Bib: 21851•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 37%
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
8:18/mi
25:46
↑ 97↓ 3451.5%
10K· 6.21 mi
8:04/mi
50:49
↑ 79↓ 1380.4%
15K· 9.32 mi
8:06/mi
1:16:00
↑ 67↓ 78
20K· 12.43 mi
8:31/mi
1:42:27
↑ 106↓ 860.1%
Half· 13.11 mi
8:17/mi
1:48:06
↑ 19↓ 370.5%
25K· 15.53 mi
8:28/mi
2:08:38
↑ 66↓ 880.2%
30K· 18.64 mi
8:44/mi
2:35:46
↑ 181↓ 1480.2%
20M
8:48/mi
2:47:43
↑ 64↓ 500.2%
21M
9:31/mi
2:57:14
↑ 106↓ 241.6%
35K· 21.75 mi
8:16/mi
3:03:25
↑ 17↓ 861.7%
23M
8:58/mi
3:14:39
↑ 23↓ 630.6%
24M
8:42/mi
3:23:21
↓ 821.3%
40K· 24.85 mi
8:58/mi
3:31:01
↓ 200.3%
25.2M
9:52/mi
3:34:25
↑ 13↓ 160.2%
Finish· 26.22 mi
8:47/mi
3:43:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:06
Pace8:15 /mi
2nd Half
Distance13.11 mi
Time1:55:16
Pace8:48 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:3625:468:1825:46
8:18
-
10K
6.21 mi11:43:3950:498:1125:03
8:04
-0:14
15K
9.32 mi12:08:501:16:008:0925:11
8:06
+0:02
20K
12.43 mi12:35:171:42:278:1526:27
8:31
+0:25
Half
13.11 mi12:40:561:48:068:155:39
8:17
-0:14
25K
15.53 mi13:01:282:08:388:1720:32
8:28
+0:11
30K
18.64 mi13:28:362:35:468:2127:08
8:44
+0:16
20M
20.00 mi13:40:332:47:438:2311:57
8:48
+0:04
21M
21.00 mi13:50:042:57:148:269:31
9:31
+0:43
35K
21.75 mi13:56:153:03:258:266:11
8:16
-1:15
23M
23.00 mi14:07:293:14:398:2811:14
8:58
+0:42
24M
24.00 mi14:16:113:23:218:288:42
8:42
-0:16
40K
24.85 mi14:23:513:31:018:297:40
8:58
+0:16
25.2M
25.20 mi14:27:153:34:258:313:24
9:52
+0:54
Finish
26.22 mi14:36:123:43:228:328:57
8:47
-1:05

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

8:04 /mi

Average Pace

8:32 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:50

39% of race

Time at Steady Pace

1:43:43

46% of race

Time at Slower Pace

31:49

14% of race

Average Pace: 8:31 /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 mi11:18:3625:468:1825:46
8:18
#16087
10K
6.21 mi11:43:3950:498:1125:03
8:04
#15661
15K
9.32 mi12:08:501:16:008:0925:11
8:06
#15506
20K
12.43 mi12:35:171:42:278:1526:27
8:31
#15876
Half
13.11 mi12:40:561:48:068:155:39
8:17
#15887
25K
15.53 mi13:01:282:08:388:1720:32
8:28
#15904
30K
18.64 mi13:28:362:35:468:2127:08
8:44
#15846
20M
20.00 mi13:40:332:47:438:2311:57
8:48
#15784
21M
21.00 mi13:50:042:57:148:269:31
9:31
#15793
35K
21.75 mi13:56:153:03:258:266:11
8:16
#15708
23M
23.00 mi14:07:293:14:398:2811:14
8:58
#15696
24M
24.00 mi14:16:113:23:218:288:42
8:42
#15692
40K
24.85 mi14:23:513:31:018:297:40
8:58
#15705
25.2M
25.20 mi14:27:153:34:258:313:24
9:52
#15739
Finish
26.22 mi14:36:123:43:228:328:57
8:47
#15764
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16087107271072715203(Top 57%)10393(Top 68%)10393(Top 936%)
10K6.21 mi3.10 mi15661+42610574+15310574+15315257(Top 57%)10407(Top 69%)10407(Top 938%)
15K9.32 mi3.11 mi15506+15510507+6710507+6715203(Top 57%)10393(Top 68%)10393(Top 936%)
20K12.43 mi3.11 mi15876-37010629-12210629-12216925(Top 64%)11013(Top 73%)11013(Top 992%)
Half13.11 mi0.68 mi15887-1110630-110630-116317(Top 61%)10803(Top 71%)10803(Top 973%)
25K15.53 mi2.42 mi15904-1710608+2210608+2215993(Top 60%)10533(Top 69%)10533(Top 949%)
30K18.64 mi3.11 mi15846+5810546+6210546+6215688(Top 59%)10347(Top 68%)10347(Top 932%)
20M20.00 mi1.36 mi15784+6210501+4510501+4515382(Top 58%)10159(Top 67%)10159(Top 915%)
21M21.00 mi1.00 mi15793-910477+2410477+2416013(Top 60%)10356(Top 68%)10356(Top 933%)
35K21.75 mi0.75 mi15708+8510428+4910428+4913879(Top 52%)9368(Top 62%)9368(Top 844%)
23M23.00 mi1.25 mi15696+1210395+3310395+3315890(Top 60%)10195(Top 67%)10195(Top 918%)
24M24.00 mi1.00 mi15692+410374+2110374+2115640(Top 59%)10010(Top 66%)10010(Top 902%)
40K24.85 mi0.85 mi15705-1310377-310377-315943(Top 60%)10104(Top 67%)10104(Top 910%)
25.2M25.20 mi0.35 mi15739-3410392-1510392-1516752(Top 63%)10438(Top 69%)10438(Top 940%)
Finish26.22 mi1.02 mi15764-25103921039216917(Top 64%)10568(Top 70%)10568(Top 952%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

15203

Males

10393

M60-64

10393

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

15257

Males

10407

M60-64

10407

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

15203

Males

10393

M60-64

10393

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

16925

Males

11013

M60-64

11013

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

16317

Males

10803

M60-64

10803

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

15993

Males

10533

M60-64

10533

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

15688

Males

10347

M60-64

10347

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

15382

Males

10159

M60-64

10159

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

16013

Males

10356

M60-64

10356

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

13879

Males

9368

M60-64

9368

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

15890

Males

10195

M60-64

10195

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

15640

Males

10010

M60-64

10010

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15943

Males

10104

M60-64

10104

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16752

Males

10438

M60-64

10438

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

16917

Males

10568

M60-64

10568

Passing Analysis

Category:
Athletes Passed
1855
Passed By
1532
Net Change
+323
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16087
5K → 10K567141+426#16087#15661
10K → 15K269114+155#15661#15506
15K → 20K74444-370#15506#15876
20K → Half2738-11#15876#15887
Half → 25K131148-17#15887#15904
25K → 30K194136+58#15904#15846
30K → 20M12462+62#15846#15784
20M → 21M92101-9#15784#15793
21M → 35K938+85#15793#15708
35K → 23M8674+12#15708#15696
23M → 24M7066+4#15696#15692
24M → 40K6073-13#15692#15705
40K → 25.2M1852-34#15705#15739
25.2M → Finish5075-25#15739#15764
TOTALS18551532+323
📊

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