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BOSTON MARATHON 2023

Jeffrey King

Bib: 10838•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 31%
Gender (Male)
#0 / 15176
Top 45%
Masters (Masters Men)
#0 / 9891
Top 32%
Division (M55-59)
#0 / 1422
Top 14%
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
6:53/mi
21:24
↑ 97↓ 3451.5%
10K· 6.21 mi
6:47/mi
42:30
↑ 79↓ 1380.4%
15K· 9.32 mi
6:49/mi
1:03:42
↑ 67↓ 78
20K· 12.43 mi
7:01/mi
1:25:29
↑ 106↓ 860.1%
Half· 13.11 mi
7:02/mi
1:30:17
↑ 19↓ 370.5%
25K· 15.53 mi
7:16/mi
1:47:55
↑ 66↓ 880.2%
30K· 18.64 mi
7:39/mi
2:11:40
↑ 181↓ 1480.2%
20M
7:54/mi
2:22:24
↑ 64↓ 500.2%
21M
8:32/mi
2:30:56
↑ 106↓ 241.6%
35K· 21.75 mi
8:16/mi
2:37:07
↑ 17↓ 861.7%
23M
8:53/mi
2:48:14
↑ 23↓ 630.6%
24M
8:41/mi
2:56:55
↓ 821.3%
40K· 24.85 mi
8:36/mi
3:04:16
↓ 200.3%
25.2M
10:18/mi
3:07:49
↑ 13↓ 160.2%
Finish· 26.22 mi
8:27/mi
3:16:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:17
Pace6:53 /mi
2nd Half
Distance13.11 mi
Time1:46:09
Pace8:06 /mi
📊Positive Split: 17.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:4021:246:5321:24
6:53
-
10K
6.21 mi11:08:4642:306:5021:06
6:47
-0:06
15K
9.32 mi11:29:581:03:426:5021:12
6:49
+0:02
20K
12.43 mi11:51:451:25:296:5321:47
7:01
+0:12
Half
13.11 mi11:56:331:30:176:534:48
7:02
+0:01
25K
15.53 mi12:14:111:47:556:5717:38
7:16
+0:14
30K
18.64 mi12:37:562:11:407:0423:45
7:39
+0:23
20M
20.00 mi12:48:402:22:247:0710:44
7:54
+0:15
21M
21.00 mi12:57:122:30:567:118:32
8:32
+0:38
35K
21.75 mi13:03:232:37:077:136:11
8:16
-0:16
23M
23.00 mi13:14:302:48:147:1911:07
8:53
+0:37
24M
24.00 mi13:23:112:56:557:228:41
8:41
-0:12
40K
24.85 mi13:30:323:04:167:257:21
8:36
-0:05
25.2M
25.20 mi13:34:053:07:497:273:33
10:18
+1:42
Finish
26.22 mi13:42:423:16:267:308:37
8:27
-1:51

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

6:47 /mi

Average Pace

7:30 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:55

55% of race

Time at Steady Pace

40:40

21% of race

Time at Slower Pace

47:51

24% of race

Average Pace: 7:30 /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 mi10:47:4021:246:5321:24
6:53
#5476
10K
6.21 mi11:08:4642:306:5021:06
6:47
#5322
15K
9.32 mi11:29:581:03:426:5021:12
6:49
#5308
20K
12.43 mi11:51:451:25:296:5321:47
7:01
#5557
Half
13.11 mi11:56:331:30:176:534:48
7:02
#5632
25K
15.53 mi12:14:111:47:556:5717:38
7:16
#5893
30K
18.64 mi12:37:562:11:407:0423:45
7:39
#6207
20M
20.00 mi12:48:402:22:247:0710:44
7:54
#6351
21M
21.00 mi12:57:122:30:567:118:32
8:32
#6509
35K
21.75 mi13:03:232:37:077:136:11
8:16
#6698
23M
23.00 mi13:14:302:48:147:1911:07
8:53
#7096
24M
24.00 mi13:23:112:56:557:228:41
8:41
#7425
40K
24.85 mi13:30:323:04:167:257:21
8:36
#7642
25.2M
25.20 mi13:34:053:07:497:273:33
10:18
#7867
Finish
26.22 mi13:42:423:16:267:308:37
8:27
#8143
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi5476505950595343(Top 20%)4935(Top 33%)4935(Top 347%)
10K6.21 mi3.10 mi5322+1544922+1374922+1375237(Top 20%)4846(Top 32%)4846(Top 341%)
15K9.32 mi3.11 mi5308+144915+74915+75343(Top 20%)4935(Top 33%)4935(Top 347%)
20K12.43 mi3.11 mi5557-2495125-2105125-2106058(Top 23%)5519(Top 36%)5519(Top 388%)
Half13.11 mi0.68 mi5632-755192-675192-676771(Top 25%)6078(Top 40%)6078(Top 427%)
25K15.53 mi2.42 mi5893-2615397-2055397-2057114(Top 27%)6232(Top 41%)6232(Top 438%)
30K18.64 mi3.11 mi6207-3145619-2225619-2228259(Top 31%)6843(Top 45%)6843(Top 481%)
20M20.00 mi1.36 mi6351-1445721-1025721-1029517(Top 36%)7470(Top 49%)7470(Top 525%)
21M21.00 mi1.00 mi6509-1585819-985819-9810643(Top 40%)7923(Top 52%)7923(Top 557%)
35K21.75 mi0.75 mi6698-1895956-1375956-13713836(Top 52%)9325(Top 61%)9325(Top 656%)
23M23.00 mi1.25 mi7096-3986217-2616217-26115395(Top 58%)9974(Top 66%)9974(Top 701%)
24M24.00 mi1.00 mi7425-3296419-2026419-20215518(Top 58%)9943(Top 66%)9943(Top 699%)
40K24.85 mi0.85 mi7642-2176544-1256544-12513887(Top 52%)9177(Top 60%)9177(Top 645%)
25.2M25.20 mi0.35 mi7867-2256680-1366680-13618387(Top 69%)11179(Top 74%)11179(Top 786%)
Finish26.22 mi1.02 mi8143-2766830-1506830-15015078(Top 57%)9752(Top 64%)9752(Top 686%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21story building
+97ft-345ft

Overall

5343

Males

4935

M55-59

4935

5K→10K

3.1 - 6.2 mi

Top 20%
×5story building
+79ft-138ft

Overall

5237

Males

4846

M55-59

4846

10K→15K

6.2 - 9.3 mi

Top 20%
×3story building
+67ft-78ft

Overall

5343

Males

4935

M55-59

4935

15K→20K

9.3 - 12.4 mi

Top 23%
×5story building
+106ft-86ft

Overall

6058

Males

5519

M55-59

5519

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

6771

Males

6078

M55-59

6078

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

7114

Males

6232

M55-59

6232

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8259

Males

6843

M55-59

6843

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

9517

Males

7470

M55-59

7470

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

10643

Males

7923

M55-59

7923

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

13836

Males

9325

M55-59

9325

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

15395

Males

9974

M55-59

9974

23M→24M

23.0 - 24.0 mi

Top 58%
×6story building
+12ft-82ft

Overall

15518

Males

9943

M55-59

9943

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13887

Males

9177

M55-59

9177

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

18387

Males

11179

M55-59

11179

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

15078

Males

9752

M55-59

9752

Passing Analysis

Category:
Athletes Passed
653
Passed By
3320
Net Change
-2667
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5476
5K → 10K286132+154#5476#5322
10K → 15K114100+14#5322#5308
15K → 20K48297-249#5308#5557
20K → Half681-75#5557#5632
Half → 25K21282-261#5632#5893
25K → 30K55369-314#5893#6207
30K → 20M23167-144#6207#6351
20M → 21M23181-158#6351#6509
21M → 35K10199-189#6509#6698
35K → 23M21419-398#6698#7096
23M → 24M8337-329#7096#7425
24M → 40K23240-217#7425#7642
40K → 25.2M3228-225#7642#7867
25.2M → Finish12288-276#7867#8143
TOTALS6533320-2667
📊

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