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BOSTON MARATHON 2023

Jess Smith

Bib: 19221•M

IN

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

Start
0:00:00
Race begins
5K· 3.11 mi
24:46
Rank: #13804
Start → 5K
24:46 | 7:58/mi
10K· 6.21 mi
49:04
Rank: #13557 (+247)
5K → 10K
24:18 | 7:49/mi
15K· 9.32 mi
1:13:11
Rank: #13147 (+410)
10K → 15K
24:07 | 7:46/mi
20K· 12.43 mi
1:39:40
Rank: #14252 (-1105)
15K → 20K
26:29 | 8:31/mi
Half· 13.11 mi
1:45:16
Rank: #14327 (-75)
20K → Half
5:36 | 8:12/mi
25K· 15.53 mi
2:07:15
Rank: #15295 (-968)
Half → 25K
21:59 | 9:04/mi
30K· 18.64 mi
2:37:40
Rank: #16511 (-1216)
25K → 30K
30:25 | 9:47/mi
20M
2:50:55
Rank: #16805 (-294)
30K → 20M
13:15 | 9:45/mi
21M
3:01:23
Rank: #17006 (-201)
20M → 21M
10:28 | 10:28/mi
35K· 21.75 mi
3:08:05
Rank: #17042 (-36)
21M → 35K
6:42 | 8:57/mi
23M
3:20:04
Rank: #17164 (-122)
35K → 23M
11:59 | 9:34/mi
24M
3:28:53
Rank: #17103 (+61)
23M → 24M
8:49 | 8:49/mi
40K· 24.85 mi
3:36:38
Rank: #17087 (+16)
24M → 40K
7:45 | 9:04/mi
25.2M
3:40:01
Rank: #17086 (+1)
40K → 25.2M
3:23 | 9:49/mi
Finish· 26.22 mi
3:48:32
Rank: #16984 (+102)
25.2M → Finish
8:31 | 8:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:16
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time2:03:16
Pace9:24 /mi
📊Positive Split: 17.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:3924:467:5824:46
7:58
-
10K
6.21 mi11:40:5749:047:5424:18
7:49
-0:09
15K
9.32 mi12:05:041:13:117:5124:07
7:46
-0:03
20K
12.43 mi12:31:331:39:408:0126:29
8:31
+0:45
Half
13.11 mi12:37:091:45:168:025:36
8:12
-0:19
25K
15.53 mi12:59:082:07:158:1121:59
9:04
+0:52
30K
18.64 mi13:29:332:37:408:2730:25
9:47
+0:43
20M
20.00 mi13:42:482:50:558:3313:15
9:45
-0:02
21M
21.00 mi13:53:163:01:238:3810:28
10:28
+0:43
35K
21.75 mi13:59:583:08:058:396:42
8:57
-1:31
23M
23.00 mi14:11:573:20:048:4211:59
9:34
+0:37
24M
24.00 mi14:20:463:28:538:428:49
8:49
-0:45
40K
24.85 mi14:28:313:36:388:437:45
9:04
+0:15
25.2M
25.20 mi14:31:543:40:018:443:23
9:49
+0:45
Finish
26.22 mi14:40:253:48:328:438:31
8:21
-1:28

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

7:46 /mi

Average Pace

8:43 /mi

Slowest Pace

10:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:47

50% of race

Time at Steady Pace

45:15

20% of race

Time at Slower Pace

1:09:30

30% of race

Average Pace: 8:43 /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 mi11:16:3924:467:5824:46
7:58
#13804
10K
6.21 mi11:40:5749:047:5424:18
7:49
#13557
15K
9.32 mi12:05:041:13:117:5124:07
7:46
#13147
20K
12.43 mi12:31:331:39:408:0126:29
8:31
#14252
Half
13.11 mi12:37:091:45:168:025:36
8:12
#14327
25K
15.53 mi12:59:082:07:158:1121:59
9:04
#15295
30K
18.64 mi13:29:332:37:408:2730:25
9:47
#16511
20M
20.00 mi13:42:482:50:558:3313:15
9:45
#16805
21M
21.00 mi13:53:163:01:238:3810:28
10:28
#17006
35K
21.75 mi13:59:583:08:058:396:42
8:57
#17042
23M
23.00 mi14:11:573:20:048:4211:59
9:34
#17164
24M
24.00 mi14:20:463:28:538:428:49
8:49
#17103
40K
24.85 mi14:28:313:36:388:437:45
9:04
#17087
25.2M
25.20 mi14:31:543:40:018:443:23
9:49
#17086
Finish
26.22 mi14:40:253:48:328:438:31
8:21
#16984
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi138049885988512396(Top 47%)9254(Top 61%)9254(Top 651%)
10K6.21 mi3.10 mi13557+2479766+1199766+11913320(Top 50%)9689(Top 64%)9689(Top 681%)
15K9.32 mi3.11 mi13147+4109580+1869580+18612396(Top 47%)9254(Top 61%)9254(Top 651%)
20K12.43 mi3.11 mi14252-110510006-42610006-42617002(Top 64%)11057(Top 73%)11057(Top 778%)
Half13.11 mi0.68 mi14327-7510035-2910035-2915839(Top 59%)10627(Top 70%)10627(Top 747%)
25K15.53 mi2.42 mi15295-96810382-34710382-34719263(Top 72%)11952(Top 79%)11952(Top 841%)
30K18.64 mi3.11 mi16511-121610801-41910801-41920417(Top 77%)12390(Top 82%)12390(Top 871%)
20M20.00 mi1.36 mi16805-29410918-11710918-11719700(Top 74%)11975(Top 79%)11975(Top 842%)
21M21.00 mi1.00 mi17006-20110992-7410992-7419465(Top 73%)11820(Top 78%)11820(Top 831%)
35K21.75 mi0.75 mi17042-3610999-710999-717705(Top 67%)11013(Top 73%)11013(Top 774%)
23M23.00 mi1.25 mi17164-12211031-3211031-3218595(Top 70%)11391(Top 75%)11391(Top 801%)
24M24.00 mi1.00 mi17103+6110980+5110980+5116276(Top 61%)10300(Top 68%)10300(Top 724%)
40K24.85 mi0.85 mi17087+1610956+2410956+2416463(Top 62%)10332(Top 68%)10332(Top 727%)
25.2M25.20 mi0.35 mi17086+110953+310953+316540(Top 62%)10352(Top 68%)10352(Top 728%)
Finish26.22 mi1.02 mi16984+10210893+6010893+6014443(Top 54%)9463(Top 62%)9463(Top 665%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21stories
+97ft-345ft

Overall

12396

Males

9254

M55-59

9254

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

13320

Males

9689

M55-59

9689

10K→15K

6.2 - 9.3 mi

Top 47%
×3stories
+67ft-78ft

Overall

12396

Males

9254

M55-59

9254

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

17002

Males

11057

M55-59

11057

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

15839

Males

10627

M55-59

10627

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

19263

Males

11952

M55-59

11952

25K→30K

15.5 - 18.6 mi

Top 77%
×9stories
+181ft-148ft

Overall

20417

Males

12390

M55-59

12390

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

19700

Males

11975

M55-59

11975

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

19465

Males

11820

M55-59

11820

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

17705

Males

11013

M55-59

11013

35K→23M

21.8 - 23.0 mi

Top 70%
×5stories
+23ft-63ft

Overall

18595

Males

11391

M55-59

11391

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

16276

Males

10300

M55-59

10300

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16463

Males

10332

M55-59

10332

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16540

Males

10352

M55-59

10352

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

14443

Males

9463

M55-59

9463

Passing Analysis

Category:
Athletes Passed
1424
Passed By
4604
Net Change
-3180
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13804
5K → 10K440193+247#13804#13557
10K → 15K46656+410#13557#13147
15K → 20K291134-1105#13147#14252
20K → Half984-75#14252#14327
Half → 25K18986-968#14327#15295
25K → 30K221238-1216#15295#16511
30K → 20M24318-294#16511#16805
20M → 21M31232-201#16805#17006
21M → 35K3672-36#17006#17042
35K → 23M46168-122#17042#17164
23M → 24M9534+61#17164#17103
24M → 40K5943+16#17103#17087
40K → 25.2M2726+1#17087#17086
25.2M → Finish12220+102#17086#16984
TOTALS14244604-3180
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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