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BOSTON MARATHON 2023

Jeremy Jenkins

Bib: 29389•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
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
9:04/mi
28:09
↑ 97↓ 3451.5%
10K· 6.21 mi
8:35/mi
54:48
↑ 79↓ 1380.4%
15K· 9.32 mi
8:43/mi
1:21:53
↑ 67↓ 78
20K· 12.43 mi
8:54/mi
1:49:32
↑ 106↓ 860.1%
Half· 13.11 mi
8:56/mi
1:55:38
↑ 19↓ 370.5%
25K· 15.53 mi
8:56/mi
2:17:18
↑ 66↓ 880.2%
30K· 18.64 mi
9:23/mi
2:46:26
↑ 181↓ 1480.2%
20M
9:27/mi
2:59:17
↑ 64↓ 500.2%
21M
9:47/mi
3:09:04
↑ 106↓ 241.6%
35K· 21.75 mi
9:07/mi
3:15:53
↑ 17↓ 861.7%
23M
9:26/mi
3:27:42
↑ 23↓ 630.6%
24M
9:09/mi
3:36:51
↓ 821.3%
40K· 24.85 mi
9:25/mi
3:44:54
↓ 200.3%
25.2M
10:03/mi
3:48:22
↑ 13↓ 160.2%
Finish· 26.22 mi
8:20/mi
3:56:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:38
Pace8:49 /mi
2nd Half
Distance13.11 mi
Time2:01:14
Pace9:15 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:1128:099:0428:09
9:04
-
10K
6.21 mi12:14:5054:488:4926:39
8:35
-0:29
15K
9.32 mi12:41:551:21:538:4727:05
8:43
+0:08
20K
12.43 mi13:09:341:49:328:4927:39
8:54
+0:11
Half
13.11 mi13:15:401:55:388:496:06
8:56
+0:02
25K
15.53 mi13:37:202:17:188:5021:40
8:56
0:00
30K
18.64 mi14:06:282:46:268:5629:08
9:23
+0:27
20M
20.00 mi14:19:192:59:178:5812:51
9:27
+0:04
21M
21.00 mi14:29:063:09:049:009:47
9:47
+0:20
35K
21.75 mi14:35:553:15:539:006:49
9:07
-0:40
23M
23.00 mi14:47:443:27:429:0211:49
9:26
+0:19
24M
24.00 mi14:56:533:36:519:029:09
9:09
-0:17
40K
24.85 mi15:04:563:44:549:038:03
9:25
+0:16
25.2M
25.20 mi15:08:243:48:229:043:28
10:03
+0:38
Finish
26.22 mi15:16:543:56:529:028:30
8:20
-1:43

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

8:20 /mi

Average Pace

9:02 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:02:14

26% of race

Time at Steady Pace

1:39:32

42% of race

Time at Slower Pace

1:15:06

32% of race

Average Pace: 9:02 /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 mi11:48:1128:099:0428:09
9:04
#20697
10K
6.21 mi12:14:5054:488:4926:39
8:35
#19781
15K
9.32 mi12:41:551:21:538:4727:05
8:43
#19528
20K
12.43 mi13:09:341:49:328:4927:39
8:54
#19389
Half
13.11 mi13:15:401:55:388:496:06
8:56
#19433
25K
15.53 mi13:37:202:17:188:5021:40
8:56
#19298
30K
18.64 mi14:06:282:46:268:5629:08
9:23
#19245
20M
20.00 mi14:19:192:59:178:5812:51
9:27
#19192
21M
21.00 mi14:29:063:09:049:009:47
9:47
#19071
35K
21.75 mi14:35:553:15:539:006:49
9:07
#19037
23M
23.00 mi14:47:443:27:429:0211:49
9:26
#18979
24M
24.00 mi14:56:533:36:519:029:09
9:09
#18935
40K
24.85 mi15:04:563:44:549:038:03
9:25
#18898
25.2M
25.20 mi15:08:243:48:229:043:28
10:03
#18871
Finish
26.22 mi15:16:543:56:529:028:30
8:20
#18740
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi20697124571245719068(Top 72%)11901(Top 78%)11901(Top 531%)
10K6.21 mi3.10 mi19781+91612120+33712120+33718706(Top 70%)11782(Top 78%)11782(Top 526%)
15K9.32 mi3.11 mi19528+25312043+7712043+7719068(Top 72%)11901(Top 78%)11901(Top 531%)
20K12.43 mi3.11 mi19389+13912002+4112002+4119196(Top 72%)11967(Top 79%)11967(Top 534%)
Half13.11 mi0.68 mi19433-4412027-2512027-2520129(Top 76%)12356(Top 81%)12356(Top 551%)
25K15.53 mi2.42 mi19298+13511974+5311974+5318632(Top 70%)11686(Top 77%)11686(Top 521%)
30K18.64 mi3.11 mi19245+5311940+3411940+3418927(Top 71%)11750(Top 77%)11750(Top 524%)
20M20.00 mi1.36 mi19192+5311908+3211908+3218683(Top 70%)11538(Top 76%)11538(Top 515%)
21M21.00 mi1.00 mi19071+12111839+6911839+6917188(Top 65%)10874(Top 72%)10874(Top 485%)
35K21.75 mi0.75 mi19037+3411820+1911820+1918366(Top 69%)11312(Top 75%)11312(Top 505%)
23M23.00 mi1.25 mi18979+5811790+3011790+3018056(Top 68%)11140(Top 73%)11140(Top 497%)
24M24.00 mi1.00 mi18935+4411753+3711753+3717849(Top 67%)11003(Top 73%)11003(Top 491%)
40K24.85 mi0.85 mi18898+3711735+1811735+1818009(Top 68%)11037(Top 73%)11037(Top 493%)
25.2M25.20 mi0.35 mi18871+2711716+1911716+1917571(Top 66%)10828(Top 71%)10828(Top 483%)
Finish26.22 mi1.02 mi18740+13111648+6811648+6814344(Top 54%)9416(Top 62%)9416(Top 420%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

19068

Males

11901

M40-44

11901

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

18706

Males

11782

M40-44

11782

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

19068

Males

11901

M40-44

11901

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

19196

Males

11967

M40-44

11967

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

20129

Males

12356

M40-44

12356

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

18632

Males

11686

M40-44

11686

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

18927

Males

11750

M40-44

11750

30K→20M

18.6 - 20.0 mi

Top 70%
×5story building
+64ft-50ft

Overall

18683

Males

11538

M40-44

11538

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

17188

Males

10874

M40-44

10874

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

18366

Males

11312

M40-44

11312

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

18056

Males

11140

M40-44

11140

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

17849

Males

11003

M40-44

11003

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

18009

Males

11037

M40-44

11037

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17571

Males

10828

M40-44

10828

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

14344

Males

9416

M40-44

9416

Passing Analysis

Category:
Athletes Passed
2682
Passed By
725
Net Change
+1957
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20697
5K → 10K99074+916#20697#19781
10K → 15K33986+253#19781#19528
15K → 20K22283+139#19528#19389
20K → Half1660-44#19389#19433
Half → 25K19156+135#19433#19298
25K → 30K186133+53#19298#19245
30K → 20M10552+53#19245#19192
20M → 21M14928+121#19192#19071
21M → 35K5622+34#19071#19037
35K → 23M10244+58#19037#18979
23M → 24M8036+44#18979#18935
24M → 40K6932+37#18935#18898
40K → 25.2M3912+27#18898#18871
25.2M → Finish1387+131#18871#18740
TOTALS2682725+1957
📊

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