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BOSTON MARATHON 2023

Andy King

Bib: 23721•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:41
Rank: #21303
Start → 5K
9:14/mi
28:41 split
10K· 6.21 mi
57:55
Rank: #21797 (-494)
5K → 10K
9:25/mi
29:14 split
15K· 9.32 mi
1:27:18
Rank: #21885 (-88)
10K → 15K
9:27/mi
29:23 split
20K· 12.43 mi
1:56:47
Rank: #21796 (+89)
15K → 20K
9:29/mi
29:29 split
Half· 13.11 mi
2:03:13
Rank: #21793 (+3)
20K → Half
9:26/mi
6:26 split
25K· 15.53 mi
2:26:54
Rank: #21748 (+45)
Half → 25K
9:46/mi
23:41 split
30K· 18.64 mi
2:57:21
Rank: #21528 (+220)
25K → 30K
9:48/mi
30:27 split
20M
3:11:30
Rank: #21528
30K → 20M
10:25/mi
14:09 split
21M
3:23:02
Rank: #21551 (-23)
20M → 21M
11:32/mi
11:32 split
35K· 21.75 mi
3:30:19
Rank: #21508 (+43)
21M → 35K
9:44/mi
7:17 split
23M
3:43:51
Rank: #21555 (-47)
35K → 23M
10:49/mi
13:32 split
24M
3:54:41
Rank: #21618 (-63)
23M → 24M
10:50/mi
10:50 split
40K· 24.85 mi
4:03:30
Rank: #21592 (+26)
24M → 40K
10:19/mi
8:49 split
25.2M
4:07:30
Rank: #21597 (-5)
40K → 25.2M
11:36/mi
4:00 split
Finish· 26.22 mi
4:17:53
Rank: #21624 (-27)
25.2M → Finish
10:11/mi
10:23 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:13
Pace9:24 /mi
2nd Half
Distance13.11 mi
Time2:14:40
Pace10:16 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:5328:419:1428:41
9:14
-
10K
6.21 mi11:53:0757:559:1929:14
9:25
+0:11
15K
9.32 mi12:22:301:27:189:2229:23
9:27
+0:02
20K
12.43 mi12:51:591:56:479:2429:29
9:29
+0:02
Half
13.11 mi12:58:252:03:139:246:26
9:26
-0:03
25K
15.53 mi13:22:062:26:549:2723:41
9:46
+0:20
30K
18.64 mi13:52:332:57:219:3130:27
9:48
+0:02
20M
20.00 mi14:06:423:11:309:3414:09
10:25
+0:37
21M
21.00 mi14:18:143:23:029:4011:32
11:32
+1:07
35K
21.75 mi14:25:313:30:199:407:17
9:44
-1:48
23M
23.00 mi14:39:033:43:519:4413:32
10:49
+1:05
24M
24.00 mi14:49:533:54:419:4710:50
10:50
+0:01
40K
24.85 mi14:58:424:03:309:488:49
10:19
-0:31
25.2M
25.20 mi15:02:424:07:309:494:00
11:36
+1:17
Finish
26.22 mi15:13:054:17:539:5110:23
10:11
-1:25

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

9:14 /mi

Average Pace

9:51 /mi

Slowest Pace

11:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

57:55

22% of race

Time at Steady Pace

2:06:43

49% of race

Time at Slower Pace

1:13:15

28% of race

Average Pace: 9:50 /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 mi11:23:5328:419:1428:41
9:14
#21303
10K
6.21 mi11:53:0757:559:1929:14
9:25
#21797
15K
9.32 mi12:22:301:27:189:2229:23
9:27
#21885
20K
12.43 mi12:51:591:56:479:2429:29
9:29
#21796
Half
13.11 mi12:58:252:03:139:246:26
9:26
#21793
25K
15.53 mi13:22:062:26:549:2723:41
9:46
#21748
30K
18.64 mi13:52:332:57:219:3130:27
9:48
#21528
20M
20.00 mi14:06:423:11:309:3414:09
10:25
#21528
21M
21.00 mi14:18:143:23:029:4011:32
11:32
#21551
35K
21.75 mi14:25:313:30:199:407:17
9:44
#21508
23M
23.00 mi14:39:033:43:519:4413:32
10:49
#21555
24M
24.00 mi14:49:533:54:419:4710:50
10:50
#21618
40K
24.85 mi14:58:424:03:309:488:49
10:19
#21592
25.2M
25.20 mi15:02:424:07:309:494:00
11:36
#21597
Finish
26.22 mi15:13:054:17:539:5110:23
10:11
#21624
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi21303127561275622120(Top 83%)13239(Top 87%)13239(Top 2411%)
10K6.21 mi3.10 mi21797-49413038-28213038-28222233(Top 84%)13270(Top 87%)13270(Top 2417%)
15K9.32 mi3.11 mi21885-8813091-5313091-5322120(Top 83%)13239(Top 87%)13239(Top 2411%)
20K12.43 mi3.11 mi21796+8913065+2613065+2621519(Top 81%)12966(Top 85%)12966(Top 2362%)
Half13.11 mi0.68 mi21793+313068-313068-321889(Top 82%)13141(Top 87%)13141(Top 2394%)
25K15.53 mi2.42 mi21748+4513045+2313045+2321655(Top 81%)12990(Top 86%)12990(Top 2366%)
30K18.64 mi3.11 mi21528+22012934+11112934+11120446(Top 77%)12404(Top 82%)12404(Top 2259%)
20M20.00 mi1.36 mi2152812924+1012924+1021536(Top 81%)12797(Top 84%)12797(Top 2331%)
21M21.00 mi1.00 mi21551-23129241292421927(Top 82%)12951(Top 85%)12951(Top 2359%)
35K21.75 mi0.75 mi21508+4312894+3012894+3020559(Top 77%)12288(Top 81%)12288(Top 2238%)
23M23.00 mi1.25 mi21555-4712901-712901-721979(Top 83%)12898(Top 85%)12898(Top 2349%)
24M24.00 mi1.00 mi21618-6312918-1712918-1722714(Top 85%)13212(Top 87%)13212(Top 2407%)
40K24.85 mi0.85 mi21592+2612897+2112897+2120768(Top 78%)12272(Top 81%)12272(Top 2235%)
25.2M25.20 mi0.35 mi21597-512892+512892+521740(Top 82%)12734(Top 84%)12734(Top 2319%)
Finish26.22 mi1.02 mi21624-2712894-212894-222253(Top 84%)12974(Top 85%)12974(Top 2363%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

22120

Males

13239

M65-69

13239

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

22233

Males

13270

M65-69

13270

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

22120

Males

13239

M65-69

13239

15K→20K

9.3 - 12.4 mi

Top 81%
×5story building
+106ft-86ft

Overall

21519

Males

12966

M65-69

12966

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

21889

Males

13141

M65-69

13141

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

21655

Males

12990

M65-69

12990

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

20446

Males

12404

M65-69

12404

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

21536

Males

12797

M65-69

12797

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

21927

Males

12951

M65-69

12951

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

20559

Males

12288

M65-69

12288

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

21979

Males

12898

M65-69

12898

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

22714

Males

13212

M65-69

13212

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20768

Males

12272

M65-69

12272

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21740

Males

12734

M65-69

12734

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

22253

Males

12974

M65-69

12974

Passing Analysis

Category:
Athletes Passed
1148
Passed By
1469
Net Change
-321
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21303
5K → 10K96590-494#21303#21797
10K → 15K128216-88#21797#21885
15K → 20K17586+89#21885#21796
20K → Half2825+3#21796#21793
Half → 25K11974+45#21793#21748
25K → 30K25333+220#21748#21528
30K → 20M63630#21528#21528
20M → 21M6083-23#21528#21551
21M → 35K529+43#21551#21508
35K → 23M4289-47#21508#21555
23M → 24M2790-63#21555#21618
24M → 40K5226+26#21618#21592
40K → 25.2M2126-5#21592#21597
25.2M → Finish3259-27#21597#21624
TOTALS11481469-321
📊

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