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BOSTON MARATHON 2024

Seongbae Kim

Bib: 23755•M

GA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M80+)
#0 / 10
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
9:55/mi
30:49
↑ 97↓ 3451.5%
10K· 6.21 mi
9:56/mi
1:01:41
↑ 79↓ 1380.4%
15K· 9.32 mi
9:59/mi
1:32:41
↑ 67↓ 78
20K· 12.43 mi
10:22/mi
2:04:54
↑ 106↓ 860.1%
Half· 13.11 mi
10:16/mi
2:11:54
↑ 19↓ 370.5%
25K· 15.53 mi
10:43/mi
2:37:54
↑ 66↓ 880.2%
30K· 18.64 mi
11:36/mi
3:13:57
↑ 181↓ 1480.2%
20M
13:49/mi
3:32:44
↑ 64↓ 500.2%
21M
14:54/mi
3:47:38
↑ 106↓ 241.6%
35K· 21.75 mi
11:55/mi
3:56:33
↑ 17↓ 861.7%
23M
14:23/mi
4:14:33
↑ 23↓ 630.6%
24M
12:05/mi
4:26:38
↓ 821.3%
40K· 24.85 mi
13:46/mi
4:38:24
↓ 200.3%
25.2M
17:15/mi
4:44:21
↑ 13↓ 160.2%
Finish· 26.22 mi
12:06/mi
4:56:41
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:54
Pace10:04 /mi
2nd Half
Distance13.11 mi
Time2:44:47
Pace12:34 /mi
📊Positive Split: 24.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:31:2330:499:5530:49
9:55
-
10K
6.21 mi12:02:151:01:419:5630:52
9:56
+0:01
15K
9.32 mi12:33:151:32:419:5731:00
9:59
+0:03
20K
12.43 mi13:05:282:04:5410:0332:13
10:22
+0:23
Half
13.11 mi13:12:282:11:5410:047:00
10:16
-0:06
25K
15.53 mi13:38:282:37:5410:1026:00
10:43
+0:27
30K
18.64 mi14:14:313:13:5710:2436:03
11:36
+0:53
20M
20.00 mi14:33:183:32:4410:3818:47
13:49
+2:13
21M
21.00 mi14:48:123:47:3810:5014:54
14:54
+1:05
35K
21.75 mi14:57:073:56:3310:538:55
11:55
-2:59
23M
23.00 mi15:15:074:14:3311:0418:00
14:23
+2:28
24M
24.00 mi15:27:124:26:3811:0712:05
12:05
-2:18
40K
24.85 mi15:38:584:38:2411:1211:46
13:46
+1:41
25.2M
25.20 mi15:44:554:44:2111:175:57
17:15
+3:29
Finish
26.22 mi15:57:154:56:4111:1912:20
12:06
-5:09

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

9:55 /mi

Average Pace

11:19 /mi

Slowest Pace

17:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:54

53% of race

Time at Steady Pace

1:09:23

23% of race

Time at Slower Pace

1:09:24

23% of race

Average Pace: 11:19 /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 mi11:31:2330:499:5530:49
9:55
#22815
10K
6.21 mi12:02:151:01:419:5630:52
9:56
#22615
15K
9.32 mi12:33:151:32:419:5731:00
9:59
#22366
20K
12.43 mi13:05:282:04:5410:0332:13
10:22
#22078
Half
13.11 mi13:12:282:11:5410:047:00
10:16
#22077
25K
15.53 mi13:38:282:37:5410:1026:00
10:43
#21893
30K
18.64 mi14:14:313:13:5710:2436:03
11:36
#21759
20M
20.00 mi14:33:183:32:4410:3818:47
13:49
#21972
21M
21.00 mi14:48:123:47:3810:5014:54
14:54
#22099
35K
21.75 mi14:57:073:56:3310:538:55
11:55
#22080
23M
23.00 mi15:15:074:14:3311:0418:00
14:23
#22315
24M
24.00 mi15:27:124:26:3811:0712:05
12:05
#22265
40K
24.85 mi15:38:584:38:2411:1211:46
13:46
#22321
25.2M
25.20 mi15:44:554:44:2111:175:57
17:15
#22428
Finish
26.22 mi15:57:154:56:4111:1912:20
12:06
#22508
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM80+Seg. OverallSeg. MalesSeg. M80+
5K3.11 mi3.11 mi22815134701347021877(Top 86%)13025(Top 89%)13025(Top 130250%)
10K6.21 mi3.10 mi22615+20013346+12413346+12422396(Top 88%)13229(Top 91%)13229(Top 132290%)
15K9.32 mi3.11 mi22366+24913246+10013246+10021877(Top 86%)13025(Top 89%)13025(Top 130250%)
20K12.43 mi3.11 mi22078+28813084+16213084+16221396(Top 84%)12775(Top 88%)12775(Top 127750%)
Half13.11 mi0.68 mi22077+113087-313087-322129(Top 87%)13058(Top 90%)13058(Top 130580%)
25K15.53 mi2.42 mi21893+18412978+10912978+10920922(Top 82%)12459(Top 85%)12459(Top 124590%)
30K18.64 mi3.11 mi21759+13412865+11312865+11321220(Top 83%)12432(Top 85%)12432(Top 124320%)
20M20.00 mi1.36 mi21972-21312949-8412949-8423800(Top 93%)13611(Top 93%)13611(Top 136110%)
21M21.00 mi1.00 mi22099-12712997-4812997-4823442(Top 92%)13392(Top 92%)13392(Top 133920%)
35K21.75 mi0.75 mi22080+1912976+2112976+2121652(Top 85%)12440(Top 85%)12440(Top 124400%)
23M23.00 mi1.25 mi22315-23513075-9913075-9924143(Top 94%)13728(Top 94%)13728(Top 137280%)
24M24.00 mi1.00 mi22265+5013029+4613029+4621604(Top 85%)12320(Top 85%)12320(Top 123200%)
40K24.85 mi0.85 mi22321-5613037-813037-823345(Top 91%)13207(Top 91%)13207(Top 132070%)
25.2M25.20 mi0.35 mi22428-10713082-4513082-4524752(Top 97%)14039(Top 96%)14039(Top 140390%)
Finish26.22 mi1.02 mi22508-8013113-3113113-3123367(Top 91%)13214(Top 91%)13214(Top 132140%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21story building
+97ft-345ft

Overall

21877

Males

13025

M80+

13025

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

22396

Males

13229

M80+

13229

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+67ft-78ft

Overall

21877

Males

13025

M80+

13025

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

21396

Males

12775

M80+

12775

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

22129

Males

13058

M80+

13058

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

20922

Males

12459

M80+

12459

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

21220

Males

12432

M80+

12432

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

23800

Males

13611

M80+

13611

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

23442

Males

13392

M80+

13392

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

21652

Males

12440

M80+

12440

35K→23M

21.8 - 23.0 mi

Top 94%
×5story building
+23ft-63ft

Overall

24143

Males

13728

M80+

13728

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

21604

Males

12320

M80+

12320

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

23345

Males

13207

M80+

13207

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

24752

Males

14039

M80+

14039

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2story building
+22ft-21ft

Overall

23367

Males

13214

M80+

13214

Passing Analysis

Category:
Athletes Passed
1710
Passed By
1403
Net Change
+307
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22815
5K → 10K29797+200#22815#22615
10K → 15K30556+249#22615#22366
15K → 20K33749+288#22366#22078
20K → Half2928+1#22078#22077
Half → 25K24056+184#22077#21893
25K → 30K241107+134#21893#21759
30K → 20M25238-213#21759#21972
20M → 21M28155-127#21972#22099
21M → 35K5132+19#22099#22080
35K → 23M20255-235#22080#22315
23M → 24M7828+50#22315#22265
24M → 40K3086-56#22265#22321
40K → 25.2M2109-107#22321#22428
25.2M → Finish27107-80#22428#22508
TOTALS17101403+307
📊

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