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BOSTON MARATHON 2024

Colin Cornforth

Bib: 6691•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 7%
Gender (Male)
#0 / 14578
Top 11%
Masters (Masters Men)
#0 / 9729
Top 4%
Division (M40-44)
#0 / 2009
Top 11%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:14
Rank: #3386
Start → 5K
6:31/mi
20:14 split
10K· 6.21 mi
40:13
Rank: #2982 (+404)
5K → 10K
6:26/mi
19:59 split
15K· 9.32 mi
1:00:15
Rank: #2733 (+249)
10K → 15K
6:27/mi
20:02 split
20K· 12.43 mi
1:20:16
Rank: #2458 (+275)
15K → 20K
6:27/mi
20:01 split
Half· 13.11 mi
1:24:41
Rank: #2460 (-2)
20K → Half
6:28/mi
4:25 split
25K· 15.53 mi
1:40:17
Rank: #2222 (+238)
Half → 25K
6:26/mi
15:36 split
30K· 18.64 mi
2:01:08
Rank: #2029 (+193)
25K → 30K
6:43/mi
20:51 split
20M
2:10:06
Rank: #1907 (+122)
30K → 20M
6:36/mi
8:58 split
21M
2:17:22
Rank: #1858 (+49)
20M → 21M
7:16/mi
7:16 split
35K· 21.75 mi
2:22:16
Rank: #1803 (+55)
21M → 35K
6:33/mi
4:54 split
23M
2:30:47
Rank: #1721 (+82)
35K → 23M
6:48/mi
8:31 split
24M
2:37:38
Rank: #1691 (+30)
23M → 24M
6:51/mi
6:51 split
40K· 24.85 mi
2:43:45
Rank: #1683 (+8)
24M → 40K
7:09/mi
6:07 split
25.2M
2:46:28
Rank: #1676 (+7)
40K → 25.2M
7:53/mi
2:43 split
Finish· 26.22 mi
2:53:39
Rank: #1693 (-17)
25.2M → Finish
7:03/mi
7:11 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:41
Pace6:28 /mi
2nd Half
Distance13.11 mi
Time1:28:58
Pace6:47 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:3420:146:3120:14
6:31
-
10K
6.21 mi10:45:3340:136:2819:59
6:26
-0:05
15K
9.32 mi11:05:351:00:156:2820:02
6:27
+0:01
20K
12.43 mi11:25:361:20:166:2820:01
6:27
0:00
Half
13.11 mi11:30:011:24:416:284:25
6:28
+0:01
25K
15.53 mi11:45:371:40:176:2715:36
6:26
-0:02
30K
18.64 mi12:06:282:01:086:3020:51
6:43
+0:17
20M
20.00 mi12:15:262:10:066:308:58
6:36
-0:07
21M
21.00 mi12:22:422:17:226:327:16
7:16
+0:40
35K
21.75 mi12:27:362:22:166:324:54
6:33
-0:43
23M
23.00 mi12:36:072:30:476:338:31
6:48
+0:15
24M
24.00 mi12:42:582:37:386:346:51
6:51
+0:03
40K
24.85 mi12:49:052:43:456:356:07
7:09
+0:18
25.2M
25.20 mi12:51:482:46:286:362:43
7:53
+0:44
Finish
26.22 mi12:58:592:53:396:387:11
7:03
-0:50

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

6:26 /mi

Average Pace

6:38 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:15:00

78% of race

Time at Slower Pace

38:39

22% of race

Average Pace: 6:37 /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 mi10:25:3420:146:3120:14
6:31
#3386
10K
6.21 mi10:45:3340:136:2819:59
6:26
#2982
15K
9.32 mi11:05:351:00:156:2820:02
6:27
#2733
20K
12.43 mi11:25:361:20:166:2820:01
6:27
#2458
Half
13.11 mi11:30:011:24:416:284:25
6:28
#2460
25K
15.53 mi11:45:371:40:176:2715:36
6:26
#2222
30K
18.64 mi12:06:282:01:086:3020:51
6:43
#2029
20M
20.00 mi12:15:262:10:066:308:58
6:36
#1907
21M
21.00 mi12:22:422:17:226:327:16
7:16
#1858
35K
21.75 mi12:27:362:22:166:324:54
6:33
#1803
23M
23.00 mi12:36:072:30:476:338:31
6:48
#1721
24M
24.00 mi12:42:582:37:386:346:51
6:51
#1691
40K
24.85 mi12:49:052:43:456:356:07
7:09
#1683
25.2M
25.20 mi12:51:482:46:286:362:43
7:53
#1676
Finish
26.22 mi12:58:592:53:396:387:11
7:03
#1693
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3386322832282437(Top 10%)2345(Top 16%)2345(Top 117%)
10K6.21 mi3.10 mi2982+4042852+3762852+3762583(Top 10%)2476(Top 17%)2476(Top 123%)
15K9.32 mi3.11 mi2733+2492619+2332619+2332437(Top 10%)2345(Top 16%)2345(Top 117%)
20K12.43 mi3.11 mi2458+2752360+2592360+2591903(Top 7%)1835(Top 13%)1835(Top 91%)
Half13.11 mi0.68 mi2460-22363-32363-32432(Top 10%)2327(Top 16%)2327(Top 116%)
25K15.53 mi2.42 mi2222+2382142+2212142+2211543(Top 6%)1488(Top 10%)1488(Top 74%)
30K18.64 mi3.11 mi2029+1931959+1831959+1831648(Top 6%)1574(Top 11%)1574(Top 78%)
20M20.00 mi1.36 mi1907+1221839+1201839+1201078(Top 4%)1025(Top 7%)1025(Top 51%)
21M21.00 mi1.00 mi1858+491791+481791+481741(Top 7%)1630(Top 11%)1630(Top 81%)
35K21.75 mi0.75 mi1803+551736+551736+551394(Top 5%)1313(Top 9%)1313(Top 65%)
23M23.00 mi1.25 mi1721+821652+841652+841303(Top 5%)1228(Top 8%)1228(Top 61%)
24M24.00 mi1.00 mi1691+301620+321620+321840(Top 7%)1679(Top 12%)1679(Top 84%)
40K24.85 mi0.85 mi1683+81610+101610+102324(Top 9%)2047(Top 14%)2047(Top 102%)
25.2M25.20 mi0.35 mi1676+71602+81602+82361(Top 9%)2047(Top 14%)2047(Top 102%)
Finish26.22 mi1.02 mi1693-171617-151617-153327(Top 13%)2743(Top 19%)2743(Top 137%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2437

Males

2345

M40-44

2345

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2583

Males

2476

M40-44

2476

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2437

Males

2345

M40-44

2345

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1903

Males

1835

M40-44

1835

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2432

Males

2327

M40-44

2327

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1543

Males

1488

M40-44

1488

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1648

Males

1574

M40-44

1574

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1078

Males

1025

M40-44

1025

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1741

Males

1630

M40-44

1630

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1394

Males

1313

M40-44

1313

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1303

Males

1228

M40-44

1228

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1840

Males

1679

M40-44

1679

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2324

Males

2047

M40-44

2047

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2361

Males

2047

M40-44

2047

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3327

Males

2743

M40-44

2743

Passing Analysis

Category:
Athletes Passed
1926
Passed By
233
Net Change
+1693
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3386
5K → 10K41713+404#3386#2982
10K → 15K26617+249#2982#2733
15K → 20K2761+275#2733#2458
20K → Half1315-2#2458#2460
Half → 25K2424+238#2460#2222
25K → 30K22532+193#2222#2029
30K → 20M1275+122#2029#1907
20M → 21M7223+49#1907#1858
21M → 35K649+55#1858#1803
35K → 23M919+82#1803#1721
23M → 24M5424+30#1721#1691
24M → 40K3325+8#1691#1683
40K → 25.2M2114+7#1683#1676
25.2M → Finish2542-17#1676#1693
TOTALS1926233+1693
📊

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