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BOSTON MARATHON 2023

Kenneth Barker

Bib: 17118•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 44%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 49%
Division (M55-59)
#0 / 1422
Top 34%
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
7:49/mi
24:16
↑ 97↓ 3451.5%
10K· 6.21 mi
7:41/mi
48:08
↑ 79↓ 1380.4%
15K· 9.32 mi
7:41/mi
1:12:00
↑ 67↓ 78
20K· 12.43 mi
7:51/mi
1:36:22
↑ 106↓ 860.1%
Half· 13.11 mi
7:51/mi
1:41:43
↑ 19↓ 370.5%
25K· 15.53 mi
7:55/mi
2:00:55
↑ 66↓ 880.2%
30K· 18.64 mi
8:37/mi
2:27:42
↑ 181↓ 1480.2%
20M
8:06/mi
2:38:43
↑ 64↓ 500.2%
21M
8:39/mi
2:47:22
↑ 106↓ 241.6%
35K· 21.75 mi
7:32/mi
2:53:00
↑ 17↓ 861.7%
23M
8:03/mi
3:03:05
↑ 23↓ 630.6%
24M
7:50/mi
3:10:55
↓ 821.3%
40K· 24.85 mi
8:03/mi
3:17:48
↓ 200.3%
25.2M
8:42/mi
3:20:48
↑ 13↓ 160.2%
Finish· 26.22 mi
7:43/mi
3:28:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:43
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:46:57
Pace8:10 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0224:167:4924:16
7:49
-
10K
6.21 mi11:38:5448:087:4523:52
7:41
-0:08
15K
9.32 mi12:02:461:12:007:4323:52
7:41
0:00
20K
12.43 mi12:27:081:36:227:4524:22
7:51
+0:10
Half
13.11 mi12:32:291:41:437:465:21
7:51
0:00
25K
15.53 mi12:51:412:00:557:4719:12
7:55
+0:04
30K
18.64 mi13:18:282:27:427:5526:47
8:37
+0:42
20M
20.00 mi13:29:292:38:437:5611:01
8:06
-0:31
21M
21.00 mi13:38:082:47:227:588:39
8:39
+0:33
35K
21.75 mi13:43:462:53:007:575:38
7:32
-1:07
23M
23.00 mi13:53:513:03:057:5810:05
8:03
+0:31
24M
24.00 mi14:01:413:10:557:577:50
7:50
-0:13
40K
24.85 mi14:08:343:17:487:576:53
8:03
+0:13
25.2M
25.20 mi14:11:343:20:487:583:00
8:42
+0:39
Finish
26.22 mi14:19:263:28:407:587:52
7:43
-0:59

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

7:32 /mi

Average Pace

7:58 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:14

82% of race

Time at Steady Pace

38:26

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:57 /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 mi11:15:0224:167:4924:16
7:49
#12426
10K
6.21 mi11:38:5448:087:4523:52
7:41
#12229
15K
9.32 mi12:02:461:12:007:4323:52
7:41
#11999
20K
12.43 mi12:27:081:36:227:4524:22
7:51
#11996
Half
13.11 mi12:32:291:41:437:465:21
7:51
#12049
25K
15.53 mi12:51:412:00:557:4719:12
7:55
#12042
30K
18.64 mi13:18:282:27:427:5526:47
8:37
#12660
20M
20.00 mi13:29:292:38:437:5611:01
8:06
#12516
21M
21.00 mi13:38:082:47:227:588:39
8:39
#12402
35K
21.75 mi13:43:462:53:007:575:38
7:32
#12266
23M
23.00 mi13:53:513:03:057:5810:05
8:03
#12127
24M
24.00 mi14:01:413:10:557:577:50
7:50
#12028
40K
24.85 mi14:08:343:17:487:576:53
8:03
#11955
25.2M
25.20 mi14:11:343:20:487:583:00
8:42
#11933
Finish
26.22 mi14:19:263:28:407:587:52
7:43
#11842
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi124269290929011686(Top 44%)8945(Top 59%)8945(Top 629%)
10K6.21 mi3.10 mi12229+1979222+689222+6812058(Top 45%)9137(Top 60%)9137(Top 643%)
15K9.32 mi3.11 mi11999+2309089+1339089+13311686(Top 44%)8945(Top 59%)8945(Top 629%)
20K12.43 mi3.11 mi11996+39069+209069+2012076(Top 45%)9041(Top 60%)9041(Top 636%)
Half13.11 mi0.68 mi12049-539089-209089-2013220(Top 50%)9551(Top 63%)9551(Top 672%)
25K15.53 mi2.42 mi12042+79060+299060+2912038(Top 45%)8923(Top 59%)8923(Top 627%)
30K18.64 mi3.11 mi12660-6189292-2329292-23215028(Top 56%)10061(Top 66%)10061(Top 708%)
20M20.00 mi1.36 mi12516+1449219+739219+7311063(Top 42%)8284(Top 55%)8284(Top 583%)
21M21.00 mi1.00 mi12402+1149153+669153+6611339(Top 43%)8272(Top 55%)8272(Top 582%)
35K21.75 mi0.75 mi12266+1369072+819072+818738(Top 33%)6955(Top 46%)6955(Top 489%)
23M23.00 mi1.25 mi12127+1398981+918981+9110127(Top 38%)7558(Top 50%)7558(Top 532%)
24M24.00 mi1.00 mi12028+998916+658916+6510029(Top 38%)7410(Top 49%)7410(Top 521%)
40K24.85 mi0.85 mi11955+738864+528864+5210361(Top 39%)7528(Top 50%)7528(Top 529%)
25.2M25.20 mi0.35 mi11933+228851+138851+1310716(Top 40%)7673(Top 51%)7673(Top 540%)
Finish26.22 mi1.02 mi11842+918791+608791+6010085(Top 38%)7339(Top 48%)7339(Top 516%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

11686

Males

8945

M55-59

8945

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

12058

Males

9137

M55-59

9137

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

11686

Males

8945

M55-59

8945

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

12076

Males

9041

M55-59

9041

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

13220

Males

9551

M55-59

9551

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

12038

Males

8923

M55-59

8923

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

15028

Males

10061

M55-59

10061

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11063

Males

8284

M55-59

8284

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

11339

Males

8272

M55-59

8272

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

8738

Males

6955

M55-59

6955

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10127

Males

7558

M55-59

7558

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10029

Males

7410

M55-59

7410

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10361

Males

7528

M55-59

7528

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10716

Males

7673

M55-59

7673

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10085

Males

7339

M55-59

7339

Passing Analysis

Category:
Athletes Passed
2167
Passed By
1583
Net Change
+584
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12426
5K → 10K428231+197#12426#12229
10K → 15K32797+230#12229#11999
15K → 20K169166+3#11999#11996
20K → Half1063-53#11996#12049
Half → 25K134127+7#12049#12042
25K → 30K69687-618#12042#12660
30K → 20M18541+144#12660#12516
20M → 21M14632+114#12516#12402
21M → 35K1404+136#12402#12266
35K → 23M17233+139#12266#12127
23M → 24M12526+99#12127#12028
24M → 40K10128+73#12028#11955
40K → 25.2M3816+22#11955#11933
25.2M → Finish12332+91#11933#11842
TOTALS21671583+584
📊

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