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BOSTON MARATHON 2023

Paul Kemp

Bib: 11242•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 32%
Gender (Male)
#0 / 15176
Top 47%
Masters (Masters Men)
#0 / 9891
Top 35%
Division (M45-49)
#0 / 2252
Top 47%
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
7:17/mi
22:38
↑ 97↓ 3451.5%
10K· 6.21 mi
7:13/mi
45:03
↑ 79↓ 1380.4%
15K· 9.32 mi
7:13/mi
1:07:28
↑ 67↓ 78
20K· 12.43 mi
7:15/mi
1:29:58
↑ 106↓ 860.1%
Half· 13.11 mi
7:14/mi
1:34:54
↑ 19↓ 370.5%
25K· 15.53 mi
7:20/mi
1:52:41
↑ 66↓ 880.2%
30K· 18.64 mi
7:38/mi
2:16:24
↑ 181↓ 1480.2%
20M
7:50/mi
2:27:03
↑ 64↓ 500.2%
21M
8:33/mi
2:35:36
↑ 106↓ 241.6%
35K· 21.75 mi
7:46/mi
2:41:25
↑ 17↓ 861.7%
23M
8:11/mi
2:51:40
↑ 23↓ 630.6%
24M
8:02/mi
2:59:42
↓ 821.3%
40K· 24.85 mi
8:16/mi
3:06:46
↓ 200.3%
25.2M
8:39/mi
3:09:45
↑ 13↓ 160.2%
Finish· 26.22 mi
7:54/mi
3:17:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:54
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:42:54
Pace7:51 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:1622:387:1722:38
7:17
-
10K
6.21 mi11:11:4145:037:1522:25
7:13
-0:04
15K
9.32 mi11:34:061:07:287:1422:25
7:13
0:00
20K
12.43 mi11:56:361:29:587:1422:30
7:15
+0:02
Half
13.11 mi12:01:321:34:547:144:56
7:14
-0:01
25K
15.53 mi12:19:191:52:417:1517:47
7:20
+0:06
30K
18.64 mi12:43:022:16:247:1923:43
7:38
+0:18
20M
20.00 mi12:53:412:27:037:2110:39
7:50
+0:12
21M
21.00 mi13:02:142:35:367:258:33
8:33
+0:43
35K
21.75 mi13:08:032:41:257:255:49
7:46
-0:47
23M
23.00 mi13:18:182:51:407:2810:15
8:11
+0:25
24M
24.00 mi13:26:202:59:427:298:02
8:02
-0:09
40K
24.85 mi13:33:243:06:467:317:04
8:16
+0:14
25.2M
25.20 mi13:36:233:09:457:322:59
8:39
+0:23
Finish
26.22 mi13:44:263:17:487:338:03
7:54
-0:45

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

7:13 /mi

Average Pace

7:33 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:55

81% of race

Time at Steady Pace

25:21

13% of race

Time at Slower Pace

11:32

6% of race

Average Pace: 7:33 /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 mi10:49:1622:387:1722:38
7:17
#8019
10K
6.21 mi11:11:4145:037:1522:25
7:13
#8112
15K
9.32 mi11:34:061:07:287:1422:25
7:13
#8032
20K
12.43 mi11:56:361:29:587:1422:30
7:15
#7823
Half
13.11 mi12:01:321:34:547:144:56
7:14
#7829
25K
15.53 mi12:19:191:52:417:1517:47
7:20
#7744
30K
18.64 mi12:43:022:16:247:1923:43
7:38
#7758
20M
20.00 mi12:53:412:27:037:2110:39
7:50
#7816
21M
21.00 mi13:02:142:35:367:258:33
8:33
#7944
35K
21.75 mi13:08:032:41:257:255:49
7:46
#8031
23M
23.00 mi13:18:182:51:407:2810:15
8:11
#8173
24M
24.00 mi13:26:202:59:427:298:02
8:02
#8312
40K
24.85 mi13:33:243:06:467:317:04
8:16
#8419
25.2M
25.20 mi13:36:233:09:457:322:59
8:39
#8448
Finish
26.22 mi13:44:263:17:487:338:03
7:54
#8551
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8019699269927899(Top 30%)6854(Top 45%)6854(Top 304%)
10K6.21 mi3.10 mi8112-937029-377029-378210(Top 31%)7088(Top 47%)7088(Top 315%)
15K9.32 mi3.11 mi8032+806974+556974+557899(Top 30%)6854(Top 45%)6854(Top 304%)
20K12.43 mi3.11 mi7823+2096824+1506824+1507378(Top 28%)6481(Top 43%)6481(Top 288%)
Half13.11 mi0.68 mi7829-66827-36827-38079(Top 30%)6951(Top 46%)6951(Top 309%)
25K15.53 mi2.42 mi7744+856752+756752+757507(Top 28%)6491(Top 43%)6491(Top 288%)
30K18.64 mi3.11 mi7758-146721+316721+318186(Top 31%)6801(Top 45%)6801(Top 302%)
20M20.00 mi1.36 mi7816-586745-246745-249125(Top 34%)7263(Top 48%)7263(Top 323%)
21M21.00 mi1.00 mi7944-1286811-666811-6610727(Top 40%)7968(Top 53%)7968(Top 354%)
35K21.75 mi0.75 mi8031-876845-346845-3410412(Top 39%)7817(Top 52%)7817(Top 347%)
23M23.00 mi1.25 mi8173-1426914-696914-6911063(Top 42%)7994(Top 53%)7994(Top 355%)
24M24.00 mi1.00 mi8312-1396983-696983-6911430(Top 43%)8106(Top 53%)8106(Top 360%)
40K24.85 mi0.85 mi8419-1077031-487031-4811749(Top 44%)8190(Top 54%)8190(Top 364%)
25.2M25.20 mi0.35 mi8448-297036-57036-510365(Top 39%)7463(Top 49%)7463(Top 331%)
Finish26.22 mi1.02 mi8551-1037079-437079-4311358(Top 43%)7960(Top 52%)7960(Top 353%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

7899

Males

6854

M45-49

6854

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8210

Males

7088

M45-49

7088

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

7899

Males

6854

M45-49

6854

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

7378

Males

6481

M45-49

6481

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8079

Males

6951

M45-49

6951

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

7507

Males

6491

M45-49

6491

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8186

Males

6801

M45-49

6801

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

9125

Males

7263

M45-49

7263

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

10727

Males

7968

M45-49

7968

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

10412

Males

7817

M45-49

7817

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11063

Males

7994

M45-49

7994

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

11430

Males

8106

M45-49

8106

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11749

Males

8190

M45-49

8190

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10365

Males

7463

M45-49

7463

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

11358

Males

7960

M45-49

7960

Passing Analysis

Category:
Athletes Passed
1149
Passed By
1681
Net Change
-532
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8019
5K → 10K187280-93#8019#8112
10K → 15K17595+80#8112#8032
15K → 20K23122+209#8032#7823
20K → Half2329-6#7823#7829
Half → 25K13449+85#7829#7744
25K → 30K134148-14#7744#7758
30K → 20M48106-58#7758#7816
20M → 21M31159-128#7816#7944
21M → 35K24111-87#7944#8031
35K → 23M45187-142#8031#8173
23M → 24M33172-139#8173#8312
24M → 40K28135-107#8312#8419
40K → 25.2M2352-29#8419#8448
25.2M → Finish33136-103#8448#8551
TOTALS11491681-532
📊

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