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BOSTON MARATHON 2023

Mark Kristy

Bib: 23937•M

KY

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
27:00
Rank: #18806
Start → 5K
27:00 | 8:41/mi
10K· 6.21 mi
55:23
Rank: #20268 (-1462)
5K → 10K
28:23 | 9:08/mi
15K· 9.32 mi
1:23:32
Rank: #20399 (-131)
10K → 15K
28:09 | 9:04/mi
20K· 12.43 mi
1:52:05
Rank: #20450 (-51)
15K → 20K
28:33 | 9:11/mi
Half· 13.11 mi
1:58:15
Rank: #20453 (-3)
20K → Half
6:10 | 9:02/mi
25K· 15.53 mi
2:20:42
Rank: #20386 (+67)
Half → 25K
22:27 | 9:16/mi
30K· 18.64 mi
2:50:22
Rank: #20231 (+155)
25K → 30K
29:40 | 9:33/mi
20M
3:03:19
Rank: #20113 (+118)
30K → 20M
12:57 | 9:32/mi
21M
3:13:34
Rank: #20022 (+91)
20M → 21M
10:15 | 10:15/mi
35K· 21.75 mi
3:20:32
Rank: #19981 (+41)
21M → 35K
6:58 | 9:19/mi
23M
3:32:46
Rank: #19934 (+47)
35K → 23M
12:14 | 9:46/mi
24M
3:42:15
Rank: #19906 (+28)
23M → 24M
9:29 | 9:29/mi
40K· 24.85 mi
3:50:35
Rank: #19891 (+15)
24M → 40K
8:20 | 9:45/mi
25.2M
3:54:14
Rank: #19886 (+5)
40K → 25.2M
3:39 | 10:35/mi
Finish· 26.22 mi
4:04:03
Rank: #19908 (-22)
25.2M → Finish
9:49 | 9:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:15
Pace9:01 /mi
2nd Half
Distance13.11 mi
Time2:05:48
Pace9:36 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:5927:008:4127:00
8:41
-
10K
6.21 mi11:53:2255:238:5528:23
9:08
+0:27
15K
9.32 mi12:21:311:23:328:5828:09
9:04
-0:04
20K
12.43 mi12:50:041:52:059:0128:33
9:11
+0:07
Half
13.11 mi12:56:141:58:159:016:10
9:02
-0:09
25K
15.53 mi13:18:412:20:429:0322:27
9:16
+0:14
30K
18.64 mi13:48:212:50:229:0829:40
9:33
+0:17
20M
20.00 mi14:01:183:03:199:1012:57
9:32
-0:01
21M
21.00 mi14:11:333:13:349:1310:15
10:15
+0:43
35K
21.75 mi14:18:313:20:329:136:58
9:19
-0:56
23M
23.00 mi14:30:453:32:469:1512:14
9:46
+0:27
24M
24.00 mi14:40:143:42:159:169:29
9:29
-0:17
40K
24.85 mi14:48:343:50:359:178:20
9:45
+0:16
25.2M
25.20 mi14:52:133:54:149:183:39
10:35
+0:50
Finish
26.22 mi15:02:024:04:039:199:49
9:38
-0:57

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

8:41 /mi

Average Pace

9:19 /mi

Slowest Pace

10:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:15

48% of race

Time at Steady Pace

1:31:20

37% of race

Time at Slower Pace

34:28

14% of race

Average Pace: 9:18 /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 mi11:24:5927:008:4127:00
8:41
#18806
10K
6.21 mi11:53:2255:238:5528:23
9:08
#20268
15K
9.32 mi12:21:311:23:328:5828:09
9:04
#20399
20K
12.43 mi12:50:041:52:059:0128:33
9:11
#20450
Half
13.11 mi12:56:141:58:159:016:10
9:02
#20453
25K
15.53 mi13:18:412:20:429:0322:27
9:16
#20386
30K
18.64 mi13:48:212:50:229:0829:40
9:33
#20231
20M
20.00 mi14:01:183:03:199:1012:57
9:32
#20113
21M
21.00 mi14:11:333:13:349:1310:15
10:15
#20022
35K
21.75 mi14:18:313:20:329:136:58
9:19
#19981
23M
23.00 mi14:30:453:32:469:1512:14
9:46
#19934
24M
24.00 mi14:40:143:42:159:169:29
9:29
#19906
40K
24.85 mi14:48:343:50:359:178:20
9:45
#19891
25.2M
25.20 mi14:52:133:54:149:183:39
10:35
#19886
Finish
26.22 mi15:02:024:04:039:199:49
9:38
#19908
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi18806117071170720768(Top 78%)12643(Top 83%)12643(Top 2303%)
10K6.21 mi3.10 mi20268-146212342-63512342-63521413(Top 80%)12885(Top 85%)12885(Top 2347%)
15K9.32 mi3.11 mi20399-13112419-7712419-7720768(Top 78%)12643(Top 83%)12643(Top 2303%)
20K12.43 mi3.11 mi20450-5112455-3612455-3620520(Top 77%)12528(Top 83%)12528(Top 2282%)
Half13.11 mi0.68 mi20453-312463-812463-820567(Top 77%)12539(Top 83%)12539(Top 2284%)
25K15.53 mi2.42 mi20386+6712438+2512438+2520045(Top 75%)12304(Top 81%)12304(Top 2241%)
30K18.64 mi3.11 mi20231+15512350+8812350+8819606(Top 74%)12049(Top 79%)12049(Top 2195%)
20M20.00 mi1.36 mi20113+11812283+6712283+6718965(Top 71%)11667(Top 77%)11667(Top 2125%)
21M21.00 mi1.00 mi20022+9112238+4512238+4518877(Top 71%)11592(Top 76%)11592(Top 2111%)
35K21.75 mi0.75 mi19981+4112221+1712221+1719199(Top 72%)11682(Top 77%)11682(Top 2128%)
23M23.00 mi1.25 mi19934+4712185+3612185+3619334(Top 73%)11715(Top 77%)11715(Top 2134%)
24M24.00 mi1.00 mi19906+2812168+1712168+1719144(Top 72%)11597(Top 76%)11597(Top 2112%)
40K24.85 mi0.85 mi19891+1512151+1712151+1719177(Top 72%)11574(Top 76%)11574(Top 2108%)
25.2M25.20 mi0.35 mi19886+5121511215119333(Top 73%)11624(Top 77%)11624(Top 2117%)
Finish26.22 mi1.02 mi19908-2212147+412147+420579(Top 77%)12220(Top 81%)12220(Top 2226%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21stories
+97ft-345ft

Overall

20768

Males

12643

M65-69

12643

5K→10K

3.1 - 6.2 mi

Top 80%
×5stories
+79ft-138ft

Overall

21413

Males

12885

M65-69

12885

10K→15K

6.2 - 9.3 mi

Top 78%
×3stories
+67ft-78ft

Overall

20768

Males

12643

M65-69

12643

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

20520

Males

12528

M65-69

12528

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

20567

Males

12539

M65-69

12539

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

20045

Males

12304

M65-69

12304

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

19606

Males

12049

M65-69

12049

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

18965

Males

11667

M65-69

11667

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

18877

Males

11592

M65-69

11592

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

19199

Males

11682

M65-69

11682

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

19334

Males

11715

M65-69

11715

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

19144

Males

11597

M65-69

11597

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19177

Males

11574

M65-69

11574

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19333

Males

11624

M65-69

11624

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

20579

Males

12220

M65-69

12220

Passing Analysis

Category:
Athletes Passed
1314
Passed By
2416
Net Change
-1102
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18806
5K → 10K311493-1462#18806#20268
10K → 15K133264-131#20268#20399
15K → 20K149200-51#20399#20450
20K → Half2629-3#20450#20453
Half → 25K13770+67#20453#20386
25K → 30K23176+155#20386#20231
30K → 20M14224+118#20231#20113
20M → 21M12938+91#20113#20022
21M → 35K5918+41#20022#19981
35K → 23M8841+47#19981#19934
23M → 24M6537+28#19934#19906
24M → 40K6045+15#19906#19891
40K → 25.2M2924+5#19891#19886
25.2M → Finish3557-22#19886#19908
TOTALS13142416-1102
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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