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BOSTON MARATHON 2024

Alan Cormack

Bib: 27226 M IE

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M50-54)
#0 / 1935
Race Day Weather
55°/45°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:23/mi
29:09
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:28/mi
55:26
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:44/mi
1:22:35
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:32/mi
1:52:13
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:39/mi
1:58:48
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:11/mi
2:23:29
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
11:38/mi
2:59:37
↑ 181↓ 1480.2%
138 ft elev
20M
12:51/mi
3:17:05
↑ 64↓ 500.2%
148 ft elev
21M
16:40/mi
3:33:45
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
13:05/mi
3:43:32
↑ 17↓ 861.7%
156 ft elev
23M
14:00/mi
4:01:04
↑ 23↓ 630.6%
116 ft elev
24M
13:33/mi
4:14:37
↓ 821.3%
34 ft elev
40K· 24.85 mi
12:40/mi
4:25:27
↓ 200.3%
20 ft elev
25.2M
13:32/mi
4:30:07
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
10:46/mi
4:41:05
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:58:489:04 /mi⚡ faster
2nd Half
2:42:1712:23 /mi+36.6%
Positive split — 36.6% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:0129:099:2329:09
9:23
-
10K
6.21 mi12:15:1855:268:5526:17
8:28
-0:55
15K
9.32 mi12:42:271:22:358:5227:09
8:44
+0:16
20K
12.43 mi13:12:051:52:139:0229:38
9:32
+0:48
Half
13.11 mi13:18:401:58:489:046:35
9:39
+0:07
25K
15.53 mi13:43:212:23:299:1424:41
10:11
+0:32
30K
18.64 mi14:19:292:59:379:3836:08
11:38
+1:27
20M
20.00 mi14:36:573:17:059:5117:28
12:51
+1:13
21M
21.00 mi14:53:373:33:4510:1116:40
16:40
+3:49
35K
21.75 mi15:03:243:43:3210:179:47
13:05
-3:35
23M
23.00 mi15:20:564:01:0410:2917:32
14:00
+0:55
24M
24.00 mi15:34:294:14:3710:3713:33
13:33
-0:27
40K
24.85 mi15:45:194:25:2710:4110:50
12:40
-0:53
25.2M
25.20 mi15:49:594:30:0710:434:40
13:32
+0:52
Finish
26.22 mi16:00:574:41:0510:4410:58
10:46
-2:46

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

8:28 /mi

Average Pace

10:44 /mi

Slowest Pace

16:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:23:29

51% of race

Time at Steady Pace

57:56

21% of race

Time at Slower Pace

1:19:40

28% of race

Average Pace: 10:43 /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 mi11:49:0129:099:2329:09
9:23
#21362
10K
6.21 mi12:15:1855:268:5526:17
8:28
#19565
15K
9.32 mi12:42:271:22:358:5227:09
8:44
#18956
20K
12.43 mi13:12:051:52:139:0229:38
9:32
#19083
Half
13.11 mi13:18:401:58:489:046:35
9:39
#19185
25K
15.53 mi13:43:212:23:299:1424:41
10:11
#19300
30K
18.64 mi14:19:292:59:379:3836:08
11:38
#19778
20M
20.00 mi14:36:573:17:059:5117:28
12:51
#20071
21M
21.00 mi14:53:373:33:4510:1116:40
16:40
#20573
35K
21.75 mi15:03:243:43:3210:179:47
13:05
#20721
23M
23.00 mi15:20:564:01:0410:2917:32
14:00
#20989
24M
24.00 mi15:34:294:14:3710:3713:33
13:33
#21138
40K
24.85 mi15:45:194:25:2710:4110:50
12:40
#21174
25.2M
25.20 mi15:49:594:30:0710:434:40
13:32
#21157
Finish
26.22 mi16:00:574:41:0510:4410:58
10:46
#21139
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi213621272012720176791111311113
10K6.21 mi3.10 mi19565+179711900+82011900+820170301085110851
15K9.32 mi3.11 mi18956+60911639+26111639+261176791111311113
20K12.43 mi3.11 mi19083-12711706-6711706-67193271183811838
Half13.11 mi0.68 mi19185-10211745-3911745-39205241232712327
25K15.53 mi2.42 mi19300-11511798-5311798-53196071186611866
30K18.64 mi3.11 mi19778-47811963-16511963-165212781245512455
20M20.00 mi1.36 mi20071-29312068-10512068-105226731303313033
21M21.00 mi1.00 mi20573-50212270-20212270-202249031417614176
35K21.75 mi0.75 mi20721-14812317-4712317-47233061329313293
23M23.00 mi1.25 mi20989-26812420-10312420-103237641352713527
24M24.00 mi1.00 mi21138-14912469-4912469-49237341344813448
40K24.85 mi0.85 mi21174-3612473-412473-4217061234112341
25.2M25.20 mi0.35 mi21157+1712452+2112452+21207731184011840
Finish26.22 mi1.02 mi21139+1812436+1612436+16207141184211842

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

17679

Males

11113

M50-54

11113

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

17030

Males

10851

M50-54

10851

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

17679

Males

11113

M50-54

11113

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

19327

Males

11838

M50-54

11838

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

20524

Males

12327

M50-54

12327

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

19607

Males

11866

M50-54

11866

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

21278

Males

12455

M50-54

12455

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

22673

Males

13033

M50-54

13033

20M→21M

20.0 - 21.0 mi

Top 97%
×8story building
+106ft-24ft

Overall

24903

Males

14176

M50-54

14176

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

23306

Males

13293

M50-54

13293

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

23764

Males

13527

M50-54

13527

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

23734

Males

13448

M50-54

13448

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

21706

Males

12341

M50-54

12341

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

20773

Males

11840

M50-54

11840

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

20714

Males

11842

M50-54

11842

Passing Analysis

Category:
Athletes Passed
3135
Passed By
2912
Net Change
+223
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21362
5K → 10K17992+1797#21362#19565
10K → 15K63223+609#19565#18956
15K → 20K214341-127#18956#19083
20K → Half16118-102#19083#19185
Half → 25K148263-115#19185#19300
25K → 30K82560-478#19300#19778
30K → 20M25318-293#19778#20071
20M → 21M8510-502#20071#20573
21M → 35K19167-148#20573#20721
35K → 23M23291-268#20721#20989
23M → 24M35184-149#20989#21138
24M → 40K3470-36#21138#21174
40K → 25.2M4023+17#21174#21157
25.2M → Finish6042+18#21157#21139
TOTALS31352912+223

Passing Charts

Category:
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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