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BOSTON MARATHON 2023

Kevin Clark

Bib: 4274•M

SC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 11%
Gender (Male)
#0 / 15176
Top 18%
Division (M18-39)
#0 / 5285
Top 39%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:28
Rank: #2776
Start → 5K
20:28 | 6:35/mi
10K· 6.21 mi
40:49
Rank: #2919 (-143)
5K → 10K
20:21 | 6:33/mi
15K· 9.32 mi
1:01:17
Rank: #3009 (-90)
10K → 15K
20:28 | 6:35/mi
20K· 12.43 mi
1:21:47
Rank: #2936 (+73)
15K → 20K
20:30 | 6:36/mi
Half· 13.11 mi
1:26:13
Rank: #2929 (+7)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:42:08
Rank: #2826 (+103)
Half → 25K
15:55 | 6:34/mi
30K· 18.64 mi
2:03:16
Rank: #2811 (+15)
25K → 30K
21:08 | 6:48/mi
20M
2:12:36
Rank: #2814 (-3)
30K → 20M
9:20 | 6:52/mi
21M
2:19:53
Rank: #2823 (-9)
20M → 21M
7:17 | 7:17/mi
35K· 21.75 mi
2:24:51
Rank: #2823
21M → 35K
4:58 | 6:38/mi
23M
2:33:33
Rank: #2826 (-3)
35K → 23M
8:42 | 6:57/mi
24M
2:40:13
Rank: #2818 (+8)
23M → 24M
6:40 | 6:40/mi
40K· 24.85 mi
2:46:12
Rank: #2828 (-10)
24M → 40K
5:59 | 7:00/mi
25.2M
2:48:49
Rank: #2846 (-18)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
2:55:43
Rank: #2865 (-19)
25.2M → Finish
6:54 | 6:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:13
Pace6:35 /mi
2nd Half
Distance13.11 mi
Time1:29:30
Pace6:50 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0620:286:3520:28
6:35
-
10K
6.21 mi10:42:2740:496:3420:21
6:33
-0:02
15K
9.32 mi11:02:551:01:176:3520:28
6:35
+0:02
20K
12.43 mi11:23:251:21:476:3520:30
6:36
+0:01
Half
13.11 mi11:27:511:26:136:354:26
6:30
-0:06
25K
15.53 mi11:43:461:42:086:3415:55
6:34
+0:04
30K
18.64 mi12:04:542:03:166:3721:08
6:48
+0:14
20M
20.00 mi12:14:142:12:366:389:20
6:52
+0:04
21M
21.00 mi12:21:312:19:536:407:17
7:17
+0:25
35K
21.75 mi12:26:292:24:516:404:58
6:38
-0:39
23M
23.00 mi12:35:112:33:336:418:42
6:57
+0:19
24M
24.00 mi12:41:512:40:136:416:40
6:40
-0:17
40K
24.85 mi12:47:502:46:126:415:59
7:00
+0:20
25.2M
25.20 mi12:50:272:48:496:422:37
7:35
+0:35
Finish
26.22 mi12:57:212:55:436:426:54
6:46
-0:49

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

6:30 /mi

Average Pace

6:42 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:49

94% of race

Time at Steady Pace

9:54

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:42 /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 mi10:22:0620:286:3520:28
6:35
#2776
10K
6.21 mi10:42:2740:496:3420:21
6:33
#2919
15K
9.32 mi11:02:551:01:176:3520:28
6:35
#3009
20K
12.43 mi11:23:251:21:476:3520:30
6:36
#2936
Half
13.11 mi11:27:511:26:136:354:26
6:30
#2929
25K
15.53 mi11:43:461:42:086:3415:55
6:34
#2826
30K
18.64 mi12:04:542:03:166:3721:08
6:48
#2811
20M
20.00 mi12:14:142:12:366:389:20
6:52
#2814
21M
21.00 mi12:21:312:19:536:407:17
7:17
#2823
35K
21.75 mi12:26:292:24:516:404:58
6:38
#2823
23M
23.00 mi12:35:112:33:336:418:42
6:57
#2826
24M
24.00 mi12:41:512:40:136:416:40
6:40
#2818
40K
24.85 mi12:47:502:46:126:415:59
7:00
#2828
25.2M
25.20 mi12:50:272:48:496:422:37
7:35
#2846
Finish
26.22 mi12:57:212:55:436:426:54
6:46
#2865
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2776264126413190(Top 12%)3036(Top 20%)3036(Top 57%)
10K6.21 mi3.10 mi2919-1432785-1442785-1443119(Top 12%)2975(Top 20%)2975(Top 56%)
15K9.32 mi3.11 mi3009-902868-832868-833190(Top 12%)3036(Top 20%)3036(Top 57%)
20K12.43 mi3.11 mi2936+732806+622806+622828(Top 11%)2702(Top 18%)2702(Top 51%)
Half13.11 mi0.68 mi2929+72796+102796+102785(Top 10%)2669(Top 18%)2669(Top 51%)
25K15.53 mi2.42 mi2826+1032702+942702+942517(Top 9%)2408(Top 16%)2408(Top 46%)
30K18.64 mi3.11 mi2811+152688+142688+142993(Top 11%)2831(Top 19%)2831(Top 54%)
20M20.00 mi1.36 mi2814-32690-22690-23209(Top 12%)3006(Top 20%)3006(Top 57%)
21M21.00 mi1.00 mi2823-92698-82698-83499(Top 13%)3250(Top 21%)3250(Top 61%)
35K21.75 mi0.75 mi2823269826983201(Top 12%)2986(Top 20%)2986(Top 56%)
23M23.00 mi1.25 mi2826-32693+52693+53489(Top 13%)3230(Top 21%)3230(Top 61%)
24M24.00 mi1.00 mi2818+82680+132680+132912(Top 11%)2704(Top 18%)2704(Top 51%)
40K24.85 mi0.85 mi2828-102689-92689-93809(Top 14%)3426(Top 23%)3426(Top 65%)
25.2M25.20 mi0.35 mi2846-182704-152704-154245(Top 16%)3715(Top 24%)3715(Top 70%)
Finish26.22 mi1.02 mi2865-192715-112715-113871(Top 15%)3427(Top 23%)3427(Top 65%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3190

Males

3036

M18-39

3036

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3119

Males

2975

M18-39

2975

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3190

Males

3036

M18-39

3036

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2828

Males

2702

M18-39

2702

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2785

Males

2669

M18-39

2669

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2517

Males

2408

M18-39

2408

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

2993

Males

2831

M18-39

2831

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3209

Males

3006

M18-39

3006

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3499

Males

3250

M18-39

3250

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3201

Males

2986

M18-39

2986

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3489

Males

3230

M18-39

3230

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2912

Males

2704

M18-39

2704

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3809

Males

3426

M18-39

3426

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4245

Males

3715

M18-39

3715

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

3871

Males

3427

M18-39

3427

Passing Analysis

Category:
Athletes Passed
777
Passed By
866
Net Change
-89
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2776
5K → 10K101244-143#2776#2919
10K → 15K62152-90#2919#3009
15K → 20K11845+73#3009#2936
20K → Half1811+7#2936#2929
Half → 25K12017+103#2929#2826
25K → 30K7560+15#2826#2811
30K → 20M3942-3#2811#2814
20M → 21M3746-9#2814#2823
21M → 35K29290#2823#2823
35K → 23M5154-3#2823#2826
23M → 24M4739+8#2826#2818
24M → 40K3343-10#2818#2828
40K → 25.2M1331-18#2828#2846
25.2M → Finish3453-19#2846#2865
TOTALS777866-89
📊

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