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BOSTON MARATHON 2024

Sum Ko

Bib: 27927•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M65-69)
#0 / 617
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:54/mi
30:45
↑ 97↓ 3451.5%
10K· 6.21 mi
10:27/mi
1:03:13
↑ 79↓ 1380.4%
15K· 9.32 mi
10:42/mi
1:36:28
↑ 67↓ 78
20K· 12.43 mi
11:53/mi
2:13:22
↑ 106↓ 860.1%
Half· 13.11 mi
10:42/mi
2:20:40
↑ 19↓ 370.5%
25K· 15.53 mi
13:41/mi
2:53:50
↑ 66↓ 880.2%
30K· 18.64 mi
14:03/mi
3:37:30
↑ 181↓ 1480.2%
20M
13:21/mi
3:55:38
↑ 64↓ 500.2%
21M
16:01/mi
4:11:39
↑ 106↓ 241.6%
35K· 21.75 mi
14:48/mi
4:22:43
↑ 17↓ 861.7%
23M
14:03/mi
4:40:19
↑ 23↓ 630.6%
24M
13:02/mi
4:53:21
↓ 821.3%
40K· 24.85 mi
12:23/mi
5:03:56
↓ 200.3%
25.2M
15:11/mi
5:09:10
↑ 13↓ 160.2%
Finish· 26.22 mi
11:18/mi
5:20:41
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:20:40
Pace10:44 /mi
2nd Half
Distance13.11 mi
Time3:00:01
Pace13:44 /mi
📊Positive Split: 28.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:2530:459:5430:45
9:54
-
10K
6.21 mi12:22:531:03:1310:1032:28
10:27
+0:33
15K
9.32 mi12:56:081:36:2810:2133:15
10:42
+0:15
20K
12.43 mi13:33:022:13:2210:4436:54
11:53
+1:11
Half
13.11 mi13:40:202:20:4010:447:18
10:42
-1:11
25K
15.53 mi14:13:302:53:5011:1133:10
13:41
+2:59
30K
18.64 mi14:57:103:37:3011:4043:40
14:03
+0:22
20M
20.00 mi15:15:183:55:3811:4718:08
13:21
-0:42
21M
21.00 mi15:31:194:11:3911:5916:01
16:01
+2:40
35K
21.75 mi15:42:234:22:4312:0511:04
14:48
-1:13
23M
23.00 mi15:59:594:40:1912:1117:36
14:03
-0:45
24M
24.00 mi16:13:014:53:2112:1313:02
13:02
-1:01
40K
24.85 mi16:23:365:03:5612:1410:35
12:23
-0:39
25.2M
25.20 mi16:28:505:09:1012:165:14
15:11
+2:48
Finish
26.22 mi16:40:215:20:4112:1411:31
11:18
-3:53

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

9:54 /mi

Average Pace

12:14 /mi

Slowest Pace

16:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:11

47% of race

Time at Steady Pace

1:14:55

23% of race

Time at Slower Pace

1:33:35

29% of race

Average Pace: 12:14 /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 mi11:50:2530:459:5430:45
9:54
#22752
10K
6.21 mi12:22:531:03:1310:1032:28
10:27
#23154
15K
9.32 mi12:56:081:36:2810:2133:15
10:42
#23221
20K
12.43 mi13:33:022:13:2210:4436:54
11:53
#23485
Half
13.11 mi13:40:202:20:4010:447:18
10:42
#23463
25K
15.53 mi14:13:302:53:5011:1133:10
13:41
#23843
30K
18.64 mi14:57:103:37:3011:4043:40
14:03
#23950
20M
20.00 mi15:15:183:55:3811:4718:08
13:21
#23919
21M
21.00 mi15:31:194:11:3911:5916:01
16:01
#23955
35K
21.75 mi15:42:234:22:4312:0511:04
14:48
#23989
23M
23.00 mi15:59:594:40:1912:1117:36
14:03
#23994
24M
24.00 mi16:13:014:53:2112:1313:02
13:02
#23960
40K
24.85 mi16:23:365:03:5612:1410:35
12:23
#23907
25.2M
25.20 mi16:28:505:09:1012:165:14
15:11
#23917
Finish
26.22 mi16:40:215:20:4112:1411:31
11:18
#23875
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi22752134341343423283(Top 91%)13654(Top 94%)13654(Top 2213%)
10K6.21 mi3.10 mi23154-40213618-18413618-18423436(Top 92%)13735(Top 94%)13735(Top 2226%)
15K9.32 mi3.11 mi23221-6713642-2413642-2423283(Top 91%)13654(Top 94%)13654(Top 2213%)
20K12.43 mi3.11 mi23485-26413749-10713749-10723842(Top 93%)13881(Top 95%)13881(Top 2250%)
Half13.11 mi0.68 mi23463+2213733+1613733+1623026(Top 90%)13477(Top 92%)13477(Top 2184%)
25K15.53 mi2.42 mi23843-38013899-16613899-16624721(Top 97%)14187(Top 97%)14187(Top 2299%)
30K18.64 mi3.11 mi23950-10713912-1313912-1324250(Top 95%)13918(Top 95%)13918(Top 2256%)
20M20.00 mi1.36 mi23919+3113868+4413868+4423293(Top 91%)13344(Top 92%)13344(Top 2163%)
21M21.00 mi1.00 mi23955-3613881-1313881-1324488(Top 96%)13947(Top 96%)13947(Top 2260%)
35K21.75 mi0.75 mi23989-3413893-1213893-1224782(Top 97%)14085(Top 97%)14085(Top 2283%)
23M23.00 mi1.25 mi23994-513890+313890+323829(Top 93%)13565(Top 93%)13565(Top 2199%)
24M24.00 mi1.00 mi23960+3413857+3313857+3323123(Top 91%)13112(Top 90%)13112(Top 2125%)
40K24.85 mi0.85 mi23907+5313820+3713820+3721176(Top 83%)12063(Top 83%)12063(Top 1955%)
25.2M25.20 mi0.35 mi23917-1013823-313823-323205(Top 91%)13146(Top 90%)13146(Top 2131%)
Finish26.22 mi1.02 mi23875+4213792+3113792+3122032(Top 86%)12523(Top 86%)12523(Top 2030%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

23283

Males

13654

M65-69

13654

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

23436

Males

13735

M65-69

13735

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

23283

Males

13654

M65-69

13654

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

23842

Males

13881

M65-69

13881

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

23026

Males

13477

M65-69

13477

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

24721

Males

14187

M65-69

14187

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

24250

Males

13918

M65-69

13918

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

23293

Males

13344

M65-69

13344

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

24488

Males

13947

M65-69

13947

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

24782

Males

14085

M65-69

14085

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

23829

Males

13565

M65-69

13565

23M→24M

23.0 - 24.0 mi

Top 91%
×6story building
+12ft-82ft

Overall

23123

Males

13112

M65-69

13112

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

21176

Males

12063

M65-69

12063

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

23205

Males

13146

M65-69

13146

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

22032

Males

12523

M65-69

12523

Passing Analysis

Category:
Athletes Passed
708
Passed By
1831
Net Change
-1123
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22752
5K → 10K79481-402#22752#23154
10K → 15K116183-67#23154#23221
15K → 20K71335-264#23221#23485
20K → Half3614+22#23485#23463
Half → 25K26406-380#23463#23843
25K → 30K63170-107#23843#23950
30K → 20M6837+31#23950#23919
20M → 21M3470-36#23919#23955
21M → 35K1751-34#23955#23989
35K → 23M3136-5#23989#23994
23M → 24M5016+34#23994#23960
24M → 40K596+53#23960#23907
40K → 25.2M717-10#23907#23917
25.2M → Finish519+42#23917#23875
TOTALS7081831-1123
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Questions or issues regarding timing data?

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing