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BOSTON MARATHON 2023

Kristopher Williams

Bib: 32170•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:27
Rank: #23733
Start → 5K
31:27 | 10:07/mi
10K· 6.21 mi
1:02:46
Rank: #23855 (-122)
5K → 10K
31:19 | 10:05/mi
15K· 9.32 mi
1:34:11
Rank: #23812 (+43)
10K → 15K
31:25 | 10:07/mi
20K· 12.43 mi
2:05:33
Rank: #23644 (+168)
15K → 20K
31:22 | 10:06/mi
Half· 13.11 mi
2:12:31
Rank: #23644
20K → Half
6:58 | 10:13/mi
25K· 15.53 mi
2:38:53
Rank: #23652 (-8)
Half → 25K
26:22 | 10:52/mi
30K· 18.64 mi
3:15:19
Rank: #23767 (-115)
25K → 30K
36:26 | 11:44/mi
20M
3:32:45
Rank: #23922 (-155)
30K → 20M
17:26 | 12:50/mi
21M
3:46:20
Rank: #24006 (-84)
20M → 21M
13:35 | 13:35/mi
35K· 21.75 mi
3:55:03
Rank: #24016 (-10)
21M → 35K
8:43 | 11:39/mi
23M
4:10:41
Rank: #24065 (-49)
35K → 23M
15:38 | 12:29/mi
24M
4:22:51
Rank: #24110 (-45)
23M → 24M
12:10 | 12:10/mi
40K· 24.85 mi
4:33:09
Rank: #24090 (+20)
24M → 40K
10:18 | 12:03/mi
25.2M
4:37:35
Rank: #24085 (+5)
40K → 25.2M
4:26 | 12:51/mi
Finish· 26.22 mi
4:47:42
Rank: #24036 (+49)
25.2M → Finish
10:07 | 9:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:31
Pace10:06 /mi
2nd Half
Distance13.11 mi
Time2:35:11
Pace11:50 /mi
📊Positive Split: 17.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2531:2710:0731:27
10:07
-
10K
6.21 mi12:22:441:02:4610:0631:19
10:05
-0:02
15K
9.32 mi12:54:091:34:1110:0631:25
10:07
+0:02
20K
12.43 mi13:25:312:05:3310:0631:22
10:06
-0:01
Half
13.11 mi13:32:292:12:3110:066:58
10:13
+0:07
25K
15.53 mi13:58:512:38:5310:1426:22
10:52
+0:39
30K
18.64 mi14:35:173:15:1910:2936:26
11:44
+0:52
20M
20.00 mi14:52:433:32:4510:3817:26
12:50
+1:06
21M
21.00 mi15:06:183:46:2010:4713:35
13:35
+0:45
35K
21.75 mi15:15:013:55:0310:488:43
11:39
-1:56
23M
23.00 mi15:30:394:10:4110:5415:38
12:29
+0:50
24M
24.00 mi15:42:494:22:5110:5712:10
12:10
-0:19
40K
24.85 mi15:53:074:33:0910:5910:18
12:03
-0:07
25.2M
25.20 mi15:57:334:37:3511:014:26
12:51
+0:48
Finish
26.22 mi16:07:404:47:4210:5910:07
9:56
-2:55

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

9:56 /mi

Average Pace

10:59 /mi

Slowest Pace

13:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:00

59% of race

Time at Steady Pace

1:07:37

24% of race

Time at Slower Pace

51:05

18% of race

Average Pace: 10:58 /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 mi11:51:2531:2710:0731:27
10:07
#23733
10K
6.21 mi12:22:441:02:4610:0631:19
10:05
#23855
15K
9.32 mi12:54:091:34:1110:0631:25
10:07
#23812
20K
12.43 mi13:25:312:05:3310:0631:22
10:06
#23644
Half
13.11 mi13:32:292:12:3110:066:58
10:13
#23644
25K
15.53 mi13:58:512:38:5310:1426:22
10:52
#23652
30K
18.64 mi14:35:173:15:1910:2936:26
11:44
#23767
20M
20.00 mi14:52:433:32:4510:3817:26
12:50
#23922
21M
21.00 mi15:06:183:46:2010:4713:35
13:35
#24006
35K
21.75 mi15:15:013:55:0310:488:43
11:39
#24016
23M
23.00 mi15:30:394:10:4110:5415:38
12:29
#24065
24M
24.00 mi15:42:494:22:5110:5712:10
12:10
#24110
40K
24.85 mi15:53:074:33:0910:5910:18
12:03
#24090
25.2M
25.20 mi15:57:334:37:3511:014:26
12:51
#24085
Finish
26.22 mi16:07:404:47:4210:5910:07
9:56
#24036
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi23733139481394823718(Top 89%)13962(Top 92%)13962(Top 620%)
10K6.21 mi3.10 mi23855-12214020-7214020-7223859(Top 90%)14025(Top 92%)14025(Top 623%)
15K9.32 mi3.11 mi23812+4314001+1914001+1923718(Top 89%)13962(Top 92%)13962(Top 620%)
20K12.43 mi3.11 mi23644+16813930+7113930+7123106(Top 87%)13680(Top 90%)13680(Top 607%)
Half13.11 mi0.68 mi2364413931-113931-123684(Top 89%)13933(Top 92%)13933(Top 619%)
25K15.53 mi2.42 mi23652-813925+613925+623777(Top 89%)13922(Top 92%)13922(Top 618%)
30K18.64 mi3.11 mi23767-11513957-3213957-3224164(Top 91%)14040(Top 93%)14040(Top 623%)
20M20.00 mi1.36 mi23922-15514024-6714024-6725019(Top 94%)14384(Top 95%)14384(Top 639%)
21M21.00 mi1.00 mi24006-8414040-1614040-1624660(Top 93%)14207(Top 94%)14207(Top 631%)
35K21.75 mi0.75 mi24016-1014043-314043-324282(Top 91%)13986(Top 92%)13986(Top 621%)
23M23.00 mi1.25 mi24065-4914048-514048-524569(Top 92%)14121(Top 93%)14121(Top 627%)
24M24.00 mi1.00 mi24110-4514058-1014058-1024724(Top 93%)14161(Top 93%)14161(Top 629%)
40K24.85 mi0.85 mi24090+2014038+2014038+2023945(Top 90%)13771(Top 91%)13771(Top 612%)
25.2M25.20 mi0.35 mi24085+514035+314035+323782(Top 89%)13679(Top 90%)13679(Top 607%)
Finish26.22 mi1.02 mi24036+4914013+2214013+2221555(Top 81%)12656(Top 83%)12656(Top 562%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

23718

Males

13962

M45-49

13962

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

23859

Males

14025

M45-49

14025

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

23718

Males

13962

M45-49

13962

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

23106

Males

13680

M45-49

13680

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

23684

Males

13933

M45-49

13933

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

23777

Males

13922

M45-49

13922

25K→30K

15.5 - 18.6 mi

Top 91%
×9stories
+181ft-148ft

Overall

24164

Males

14040

M45-49

14040

30K→20M

18.6 - 20.0 mi

Top 94%
×5stories
+64ft-50ft

Overall

25019

Males

14384

M45-49

14384

20M→21M

20.0 - 21.0 mi

Top 93%
×8stories
+106ft-24ft

Overall

24660

Males

14207

M45-49

14207

21M→35K

21.0 - 21.8 mi

Top 91%
×7stories
+17ft-86ft

Overall

24282

Males

13986

M45-49

13986

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

24569

Males

14121

M45-49

14121

23M→24M

23.0 - 24.0 mi

Top 93%
×6stories
+12ft-82ft

Overall

24724

Males

14161

M45-49

14161

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

23945

Males

13771

M45-49

13771

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

23782

Males

13679

M45-49

13679

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

21555

Males

12656

M45-49

12656

Passing Analysis

Category:
Athletes Passed
850
Passed By
1153
Net Change
-303
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23733
5K → 10K139261-122#23733#23855
10K → 15K13491+43#23855#23812
15K → 20K21446+168#23812#23644
20K → Half21210#23644#23644
Half → 25K7987-8#23644#23652
25K → 30K69184-115#23652#23767
30K → 20M12167-155#23767#23922
20M → 21M20104-84#23922#24006
21M → 35K1929-10#24006#24016
35K → 23M2271-49#24016#24065
23M → 24M1459-45#24065#24110
24M → 40K4020+20#24110#24090
40K → 25.2M138+5#24090#24085
25.2M → Finish545+49#24085#24036
TOTALS8501153-303
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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