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BOSTON MARATHON 2023

Colin Kirk

Bib: 6161•M

IL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 23%
Gender (Male)
#0 / 15176
Top 36%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:02
Rank: #6814
Start → 5K
22:02 | 7:06/mi
10K· 6.21 mi
44:11
Rank: #7172 (-358)
5K → 10K
22:09 | 7:08/mi
15K· 9.32 mi
1:05:54
Rank: #6906 (+266)
10K → 15K
21:43 | 6:59/mi
20K· 12.43 mi
1:28:12
Rank: #6914 (-8)
15K → 20K
22:18 | 7:11/mi
Half· 13.11 mi
1:33:00
Rank: #6895 (+19)
20K → Half
4:48 | 7:02/mi
25K· 15.53 mi
1:50:00
Rank: #6668 (+227)
Half → 25K
17:00 | 7:01/mi
30K· 18.64 mi
2:12:29
Rank: #6443 (+225)
25K → 30K
22:29 | 7:14/mi
20M
2:22:22
Rank: #6344 (+99)
30K → 20M
9:53 | 7:16/mi
21M
2:30:03
Rank: #6256 (+88)
20M → 21M
7:41 | 7:41/mi
35K· 21.75 mi
2:35:15
Rank: #6197 (+59)
21M → 35K
5:12 | 6:57/mi
23M
2:45:05
Rank: #6262 (-65)
35K → 23M
9:50 | 7:51/mi
24M
2:52:23
Rank: #6212 (+50)
23M → 24M
7:18 | 7:18/mi
40K· 24.85 mi
2:58:48
Rank: #6197 (+15)
24M → 40K
6:25 | 7:30/mi
25.2M
3:01:42
Rank: #6208 (-11)
40K → 25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
3:08:58
Rank: #6179 (+29)
25.2M → Finish
7:16 | 7:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:00
Pace7:06 /mi
2nd Half
Distance13.11 mi
Time1:35:58
Pace7:19 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:3122:027:0622:02
7:06
-
10K
6.21 mi10:47:4044:117:0722:09
7:08
+0:02
15K
9.32 mi11:09:231:05:547:0421:43
6:59
-0:09
20K
12.43 mi11:31:411:28:127:0622:18
7:11
+0:12
Half
13.11 mi11:36:291:33:007:064:48
7:02
-0:09
25K
15.53 mi11:53:291:50:007:0517:00
7:01
-0:01
30K
18.64 mi12:15:582:12:297:0622:29
7:14
+0:13
20M
20.00 mi12:25:512:22:227:079:53
7:16
+0:02
21M
21.00 mi12:33:322:30:037:097:41
7:41
+0:25
35K
21.75 mi12:38:442:35:157:085:12
6:57
-0:44
23M
23.00 mi12:48:342:45:057:119:50
7:51
+0:54
24M
24.00 mi12:55:522:52:237:117:18
7:18
-0:33
40K
24.85 mi13:02:172:58:487:126:25
7:30
+0:12
25.2M
25.20 mi13:05:113:01:427:132:54
8:25
+0:55
Finish
26.22 mi13:12:273:08:587:137:16
7:08
-1:17

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

6:57 /mi

Average Pace

7:13 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

26:55

14% of race

Time at Steady Pace

2:15:13

72% of race

Time at Slower Pace

26:50

14% of race

Average Pace: 7:12 /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 mi10:25:3122:027:0622:02
7:06
#6814
10K
6.21 mi10:47:4044:117:0722:09
7:08
#7172
15K
9.32 mi11:09:231:05:547:0421:43
6:59
#6906
20K
12.43 mi11:31:411:28:127:0622:18
7:11
#6914
Half
13.11 mi11:36:291:33:007:064:48
7:02
#6895
25K
15.53 mi11:53:291:50:007:0517:00
7:01
#6668
30K
18.64 mi12:15:582:12:297:0622:29
7:14
#6443
20M
20.00 mi12:25:512:22:227:079:53
7:16
#6344
21M
21.00 mi12:33:322:30:037:097:41
7:41
#6256
35K
21.75 mi12:38:442:35:157:085:12
6:57
#6197
23M
23.00 mi12:48:342:45:057:119:50
7:51
#6262
24M
24.00 mi12:55:522:52:237:117:18
7:18
#6212
40K
24.85 mi13:02:172:58:487:126:25
7:30
#6197
25.2M
25.20 mi13:05:113:01:427:132:54
8:25
#6208
Finish
26.22 mi13:12:273:08:587:137:16
7:08
#6179
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6814613161316481(Top 24%)5840(Top 38%)5840(Top 111%)
10K6.21 mi3.10 mi7172-3586384-2536384-2537604(Top 29%)6675(Top 44%)6675(Top 126%)
15K9.32 mi3.11 mi6906+2666184+2006184+2006481(Top 24%)5840(Top 38%)5840(Top 111%)
20K12.43 mi3.11 mi6914-86186-26186-26944(Top 26%)6167(Top 41%)6167(Top 117%)
Half13.11 mi0.68 mi6895+196172+146172+146713(Top 25%)6020(Top 40%)6020(Top 114%)
25K15.53 mi2.42 mi6668+2275980+1925980+1925648(Top 21%)5180(Top 34%)5180(Top 98%)
30K18.64 mi3.11 mi6443+2255800+1805800+1805691(Top 21%)5142(Top 34%)5142(Top 97%)
20M20.00 mi1.36 mi6344+995715+855715+855493(Top 21%)4924(Top 32%)4924(Top 93%)
21M21.00 mi1.00 mi6256+885633+825633+825523(Top 21%)4849(Top 32%)4849(Top 92%)
35K21.75 mi0.75 mi6197+595588+455588+455082(Top 19%)4557(Top 30%)4557(Top 86%)
23M23.00 mi1.25 mi6262-655623-355623-358734(Top 33%)6815(Top 45%)6815(Top 129%)
24M24.00 mi1.00 mi6212+505574+495574+496352(Top 24%)5315(Top 35%)5315(Top 101%)
40K24.85 mi0.85 mi6197+155549+255549+256725(Top 25%)5462(Top 36%)5462(Top 103%)
25.2M25.20 mi0.35 mi6208-115553-45553-48859(Top 33%)6632(Top 44%)6632(Top 125%)
Finish26.22 mi1.02 mi6179+295513+405513+405980(Top 22%)4919(Top 32%)4919(Top 93%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6481

Males

5840

M18-39

5840

5K→10K

3.1 - 6.2 mi

Top 29%
×5stories
+79ft-138ft

Overall

7604

Males

6675

M18-39

6675

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6481

Males

5840

M18-39

5840

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

6944

Males

6167

M18-39

6167

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

6713

Males

6020

M18-39

6020

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5648

Males

5180

M18-39

5180

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5691

Males

5142

M18-39

5142

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5493

Males

4924

M18-39

4924

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5523

Males

4849

M18-39

4849

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5082

Males

4557

M18-39

4557

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

8734

Males

6815

M18-39

6815

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6352

Males

5315

M18-39

5315

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6725

Males

5462

M18-39

5462

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8859

Males

6632

M18-39

6632

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

5980

Males

4919

M18-39

4919

Passing Analysis

Category:
Athletes Passed
1533
Passed By
898
Net Change
+635
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6814
5K → 10K75433-358#6814#7172
10K → 15K30741+266#7172#6906
15K → 20K96104-8#6906#6914
20K → Half3213+19#6914#6895
Half → 25K2303+227#6895#6668
25K → 30K24217+225#6668#6443
30K → 20M11213+99#6443#6344
20M → 21M10719+88#6344#6256
21M → 35K678+59#6256#6197
35K → 23M48113-65#6197#6262
23M → 24M8535+50#6262#6212
24M → 40K5439+15#6212#6197
40K → 25.2M1324-11#6197#6208
25.2M → Finish6536+29#6208#6179
TOTALS1533898+635
📊

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