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BOSTON MARATHON 2023

Jacob Checketts

Bib: 13343•M

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
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
8:09/mi
49:53
↑ 79↓ 1380.4%
15K· 9.32 mi
8:27/mi
1:16:09
↑ 67↓ 78
20K· 12.43 mi
8:21/mi
1:42:06
↑ 106↓ 860.1%
Half· 13.11 mi
8:26/mi
1:47:51
↑ 19↓ 370.5%
25K· 15.53 mi
9:02/mi
2:09:46
↑ 66↓ 880.2%
30K· 18.64 mi
9:23/mi
2:38:55
↑ 181↓ 1480.2%
20M
9:32/mi
2:51:52
↑ 64↓ 500.2%
21M
11:35/mi
3:03:27
↑ 106↓ 241.6%
35K· 21.75 mi
11:38/mi
3:12:09
↑ 17↓ 861.7%
23M
11:47/mi
3:26:54
↑ 23↓ 630.6%
24M
12:08/mi
3:39:02
↓ 821.3%
40K· 24.85 mi
12:30/mi
3:49:43
↓ 200.3%
25.2M
14:10/mi
3:54:36
↑ 13↓ 160.2%
Finish· 26.22 mi
11:19/mi
4:06:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:51
Pace8:14 /mi
2nd Half
Distance13.11 mi
Time2:18:17
Pace10:33 /mi
📊Positive Split: 28.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0824:337:5424:33
7:54
-
10K
6.21 mi11:18:2849:538:0225:20
8:09
+0:15
15K
9.32 mi11:44:441:16:098:1026:16
8:27
+0:18
20K
12.43 mi12:10:411:42:068:1325:57
8:21
-0:06
Half
13.11 mi12:16:261:47:518:145:45
8:26
+0:05
25K
15.53 mi12:38:212:09:468:2121:55
9:02
+0:36
30K
18.64 mi13:07:302:38:558:3229:09
9:23
+0:21
20M
20.00 mi13:20:272:51:528:3612:57
9:32
+0:09
21M
21.00 mi13:32:023:03:278:4411:35
11:35
+2:03
35K
21.75 mi13:40:443:12:098:508:42
11:38
+0:03
23M
23.00 mi13:55:293:26:549:0014:45
11:47
+0:09
24M
24.00 mi14:07:373:39:029:0812:08
12:08
+0:21
40K
24.85 mi14:18:183:49:439:1510:41
12:30
+0:22
25.2M
25.20 mi14:23:113:54:369:194:53
14:10
+1:40
Finish
26.22 mi14:34:434:06:089:2411:32
11:19
-2:51

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

7:54 /mi

Average Pace

9:24 /mi

Slowest Pace

14:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:51

44% of race

Time at Steady Pace

1:04:01

26% of race

Time at Slower Pace

1:14:16

30% of race

Average Pace: 9:23 /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 mi10:53:0824:337:5424:33
7:54
#13254
10K
6.21 mi11:18:2849:538:0225:20
8:09
#14576
15K
9.32 mi11:44:441:16:098:1026:16
8:27
#15611
20K
12.43 mi12:10:411:42:068:1325:57
8:21
#15684
Half
13.11 mi12:16:261:47:518:145:45
8:26
#15764
25K
15.53 mi12:38:212:09:468:2121:55
9:02
#16430
30K
18.64 mi13:07:302:38:558:3229:09
9:23
#16922
20M
20.00 mi13:20:272:51:528:3612:57
9:32
#17086
21M
21.00 mi13:32:023:03:278:4411:35
11:35
#17600
35K
21.75 mi13:40:443:12:098:508:42
11:38
#18137
23M
23.00 mi13:55:293:26:549:0014:45
11:47
#18806
24M
24.00 mi14:07:373:39:029:0812:08
12:08
#19345
40K
24.85 mi14:18:183:49:439:1510:41
12:30
#19746
25.2M
25.20 mi14:23:113:54:369:194:53
14:10
#19939
Finish
26.22 mi14:34:434:06:089:2411:32
11:19
#20171
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi132549660966017491(Top 66%)11266(Top 74%)11266(Top 500%)
10K6.21 mi3.10 mi14576-132210169-50910169-50915928(Top 60%)10683(Top 70%)10683(Top 474%)
15K9.32 mi3.11 mi15611-103510550-38110550-38117491(Top 66%)11266(Top 74%)11266(Top 500%)
20K12.43 mi3.11 mi15684-7310559-910559-915946(Top 60%)10614(Top 70%)10614(Top 471%)
Half13.11 mi0.68 mi15764-8010585-2610585-2617297(Top 65%)11228(Top 74%)11228(Top 499%)
25K15.53 mi2.42 mi16430-66610813-22810813-22819157(Top 72%)11920(Top 79%)11920(Top 529%)
30K18.64 mi3.11 mi16922-49210985-17210985-17218959(Top 71%)11766(Top 78%)11766(Top 522%)
20M20.00 mi1.36 mi17086-16411045-6011045-6018967(Top 71%)11669(Top 77%)11669(Top 518%)
21M21.00 mi1.00 mi17600-51411222-17711222-17722006(Top 83%)12989(Top 86%)12989(Top 577%)
35K21.75 mi0.75 mi18137-53711430-20811430-20824250(Top 91%)13968(Top 92%)13968(Top 620%)
23M23.00 mi1.25 mi18806-66911709-27911709-27923678(Top 89%)13711(Top 90%)13711(Top 609%)
24M24.00 mi1.00 mi19345-53911945-23611945-23624673(Top 93%)14128(Top 93%)14128(Top 627%)
40K24.85 mi0.85 mi19746-40112091-14612091-14624428(Top 92%)13998(Top 92%)13998(Top 622%)
25.2M25.20 mi0.35 mi19939-19312167-7612167-7625103(Top 94%)14327(Top 94%)14327(Top 636%)
Finish26.22 mi1.02 mi20171-23212247-8012247-8024439(Top 92%)14040(Top 93%)14040(Top 623%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

17491

Males

11266

M45-49

11266

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

15928

Males

10683

M45-49

10683

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

17491

Males

11266

M45-49

11266

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

15946

Males

10614

M45-49

10614

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

17297

Males

11228

M45-49

11228

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

19157

Males

11920

M45-49

11920

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

18959

Males

11766

M45-49

11766

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

18967

Males

11669

M45-49

11669

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

22006

Males

12989

M45-49

12989

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

24250

Males

13968

M45-49

13968

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

23678

Males

13711

M45-49

13711

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

24673

Males

14128

M45-49

14128

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

24428

Males

13998

M45-49

13998

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

25103

Males

14327

M45-49

14327

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2story building
+22ft-21ft

Overall

24439

Males

14040

M45-49

14040

Passing Analysis

Category:
Athletes Passed
390
Passed By
7307
Net Change
-6917
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13254
5K → 10K241346-1322#13254#14576
10K → 15K191054-1035#14576#15611
15K → 20K157230-73#15611#15684
20K → Half888-80#15684#15764
Half → 25K35701-666#15764#16430
25K → 30K74566-492#16430#16922
30K → 20M34198-164#16922#17086
20M → 21M11525-514#17086#17600
21M → 35K4541-537#17600#18137
35K → 23M8677-669#18137#18806
23M → 24M9548-539#18806#19345
24M → 40K2403-401#19345#19746
40K → 25.2M2195-193#19746#19939
25.2M → Finish3235-232#19939#20171
TOTALS3907307-6917
📊

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