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BOSTON MARATHON 2024

Don Sun

Bib: 9055•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 19%
Gender (Male)
#0 / 14578
Top 29%
Masters (Masters Men)
#0 / 9729
Top 18%
Division (M55-59)
#0 / 1529
Top 5%
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
7:03/mi
21:53
↑ 97↓ 3451.5%
10K· 6.21 mi
6:47/mi
42:56
↑ 79↓ 1380.4%
15K· 9.32 mi
6:50/mi
1:04:10
↑ 67↓ 78
20K· 12.43 mi
7:08/mi
1:26:20
↑ 106↓ 860.1%
Half· 13.11 mi
7:08/mi
1:31:12
↑ 19↓ 370.5%
25K· 15.53 mi
7:24/mi
1:49:08
↑ 66↓ 880.2%
30K· 18.64 mi
7:41/mi
2:12:59
↑ 181↓ 1480.2%
20M
7:42/mi
2:23:27
↑ 64↓ 500.2%
21M
8:08/mi
2:31:35
↑ 106↓ 241.6%
35K· 21.75 mi
7:04/mi
2:36:52
↑ 17↓ 861.7%
23M
7:44/mi
2:46:33
↑ 23↓ 630.6%
24M
7:44/mi
2:54:17
↓ 821.3%
40K· 24.85 mi
7:51/mi
3:01:00
↓ 200.3%
25.2M
8:13/mi
3:03:50
↑ 13↓ 160.2%
Finish· 26.22 mi
7:17/mi
3:11:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:12
Pace6:57 /mi
2nd Half
Distance13.11 mi
Time1:40:03
Pace7:38 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:0121:537:0321:53
7:03
-
10K
6.21 mi11:09:0442:566:5521:03
6:47
-0:16
15K
9.32 mi11:30:181:04:106:5321:14
6:50
+0:03
20K
12.43 mi11:52:281:26:206:5722:10
7:08
+0:18
Half
13.11 mi11:57:201:31:126:574:52
7:08
0:00
25K
15.53 mi12:15:161:49:087:0217:56
7:24
+0:16
30K
18.64 mi12:39:072:12:597:0823:51
7:41
+0:17
20M
20.00 mi12:49:352:23:277:1010:28
7:42
+0:01
21M
21.00 mi12:57:432:31:357:138:08
8:08
+0:26
35K
21.75 mi13:03:002:36:527:135:17
7:04
-1:04
23M
23.00 mi13:12:412:46:337:149:41
7:44
+0:40
24M
24.00 mi13:20:252:54:177:167:44
7:44
0:00
40K
24.85 mi13:27:083:01:007:176:43
7:51
+0:07
25.2M
25.20 mi13:29:583:03:507:182:50
8:13
+0:22
Finish
26.22 mi13:37:233:11:157:187:25
7:17
-0:56

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

6:47 /mi

Average Pace

7:18 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:29

50% of race

Time at Steady Pace

25:21

13% of race

Time at Slower Pace

1:09:25

36% of race

Average Pace: 7:18 /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 mi10:48:0121:537:0321:53
7:03
#7289
10K
6.21 mi11:09:0442:566:5521:03
6:47
#6235
15K
9.32 mi11:30:181:04:106:5321:14
6:50
#5831
20K
12.43 mi11:52:281:26:206:5722:10
7:08
#5838
Half
13.11 mi11:57:201:31:126:574:52
7:08
#5859
25K
15.53 mi12:15:161:49:087:0217:56
7:24
#5860
30K
18.64 mi12:39:072:12:597:0823:51
7:41
#5761
20M
20.00 mi12:49:352:23:277:1010:28
7:42
#5647
21M
21.00 mi12:57:432:31:357:138:08
8:08
#5490
35K
21.75 mi13:03:002:36:527:135:17
7:04
#5332
23M
23.00 mi13:12:412:46:337:149:41
7:44
#5171
24M
24.00 mi13:20:252:54:177:167:44
7:44
#5115
40K
24.85 mi13:27:083:01:007:176:43
7:51
#5023
25.2M
25.20 mi13:29:583:03:507:182:50
8:13
#4946
Finish
26.22 mi13:37:233:11:157:187:25
7:17
#4872
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi7289635963595050(Top 20%)4645(Top 32%)4645(Top 304%)
10K6.21 mi3.10 mi6235+10545599+7605599+7604963(Top 19%)4599(Top 32%)4599(Top 301%)
15K9.32 mi3.11 mi5831+4045294+3055294+3055050(Top 20%)4645(Top 32%)4645(Top 304%)
20K12.43 mi3.11 mi5838-75276+185276+186000(Top 23%)5316(Top 36%)5316(Top 348%)
Half13.11 mi0.68 mi5859-215288-125288-126485(Top 25%)5638(Top 39%)5638(Top 369%)
25K15.53 mi2.42 mi5860-15265+235265+236371(Top 25%)5424(Top 37%)5424(Top 355%)
30K18.64 mi3.11 mi5761+995115+1505115+1506000(Top 23%)5013(Top 34%)5013(Top 328%)
20M20.00 mi1.36 mi5647+1145005+1105005+1105199(Top 20%)4367(Top 30%)4367(Top 286%)
21M21.00 mi1.00 mi5490+1574867+1384867+1384659(Top 18%)3884(Top 27%)3884(Top 254%)
35K21.75 mi0.75 mi5332+1584736+1314736+1313315(Top 13%)2950(Top 20%)2950(Top 193%)
23M23.00 mi1.25 mi5171+1614585+1514585+1514506(Top 18%)3688(Top 25%)3688(Top 241%)
24M24.00 mi1.00 mi5115+564521+644521+645193(Top 20%)4017(Top 28%)4017(Top 263%)
40K24.85 mi0.85 mi5023+924429+924429+925038(Top 20%)3821(Top 26%)3821(Top 250%)
25.2M25.20 mi0.35 mi4946+774359+704359+703439(Top 13%)2823(Top 19%)2823(Top 185%)
Finish26.22 mi1.02 mi4872+744273+864273+864388(Top 17%)3444(Top 24%)3444(Top 225%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21story building
+97ft-345ft

Overall

5050

Males

4645

M55-59

4645

5K→10K

3.1 - 6.2 mi

Top 19%
×5story building
+79ft-138ft

Overall

4963

Males

4599

M55-59

4599

10K→15K

6.2 - 9.3 mi

Top 20%
×3story building
+67ft-78ft

Overall

5050

Males

4645

M55-59

4645

15K→20K

9.3 - 12.4 mi

Top 23%
×5story building
+106ft-86ft

Overall

6000

Males

5316

M55-59

5316

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

6485

Males

5638

M55-59

5638

Half→25K

13.1 - 15.5 mi

Top 25%
×4story building
+66ft-88ft

Overall

6371

Males

5424

M55-59

5424

25K→30K

15.5 - 18.6 mi

Top 23%
×9story building
+181ft-148ft

Overall

6000

Males

5013

M55-59

5013

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5199

Males

4367

M55-59

4367

20M→21M

20.0 - 21.0 mi

Top 18%
×8story building
+106ft-24ft

Overall

4659

Males

3884

M55-59

3884

21M→35K

21.0 - 21.8 mi

Top 13%
×7story building
+17ft-86ft

Overall

3315

Males

2950

M55-59

2950

35K→23M

21.8 - 23.0 mi

Top 18%
×5story building
+23ft-63ft

Overall

4506

Males

3688

M55-59

3688

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5193

Males

4017

M55-59

4017

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5038

Males

3821

M55-59

3821

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3439

Males

2823

M55-59

2823

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4388

Males

3444

M55-59

3444

Passing Analysis

Category:
Athletes Passed
3136
Passed By
719
Net Change
+2417
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7289
5K → 10K10573+1054#7289#6235
10K → 15K4084+404#6235#5831
15K → 20K176183-7#5831#5838
20K → Half1738-21#5838#5859
Half → 25K150151-1#5859#5860
25K → 30K253154+99#5860#5761
30K → 20M15541+114#5761#5647
20M → 21M17922+157#5647#5490
21M → 35K1580+158#5490#5332
35K → 23M19029+161#5332#5171
23M → 24M9640+56#5171#5115
24M → 40K12230+92#5115#5023
40K → 25.2M792+77#5023#4946
25.2M → Finish9622+74#4946#4872
TOTALS3136719+2417
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing