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BOSTON MARATHON 2023

Raymond Kim

Bib: 21082•M

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0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
24:22
Rank: #12777
Start → 5K
24:22 | 7:51/mi
10K· 6.21 mi
50:01
Rank: #14733 (-1956)
5K → 10K
25:39 | 8:15/mi
15K· 9.32 mi
1:16:05
Rank: #15566 (-833)
10K → 15K
26:04 | 8:23/mi
20K· 12.43 mi
1:42:51
Rank: #16085 (-519)
15K → 20K
26:46 | 8:37/mi
Half· 13.11 mi
1:48:41
Rank: #16210 (-125)
20K → Half
5:50 | 8:33/mi
25K· 15.53 mi
2:10:06
Rank: #16575 (-365)
Half → 25K
21:25 | 8:50/mi
30K· 18.64 mi
2:40:23
Rank: #17378 (-803)
25K → 30K
30:17 | 9:45/mi
20M
2:53:05
Rank: #17443 (-65)
30K → 20M
12:42 | 9:21/mi
21M
3:03:52
Rank: #17717 (-274)
20M → 21M
10:47 | 10:47/mi
35K· 21.75 mi
3:10:50
Rank: #17781 (-64)
21M → 35K
6:58 | 9:19/mi
23M
3:22:46
Rank: #17874 (-93)
35K → 23M
11:56 | 9:32/mi
24M
3:31:57
Rank: #17894 (-20)
23M → 24M
9:11 | 9:11/mi
40K· 24.85 mi
3:40:05
Rank: #17919 (-25)
24M → 40K
8:08 | 9:31/mi
25.2M
3:43:45
Rank: #17960 (-41)
40K → 25.2M
3:40 | 10:38/mi
Finish· 26.22 mi
3:54:31
Rank: #18281 (-321)
25.2M → Finish
10:46 | 10:34/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:41
Pace8:17 /mi
2nd Half
Distance13.11 mi
Time2:05:50
Pace9:36 /mi
📊Positive Split: 15.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:2124:227:5124:22
7:51
-
10K
6.21 mi11:54:0050:018:0325:39
8:15
+0:24
15K
9.32 mi12:20:041:16:058:1026:04
8:23
+0:08
20K
12.43 mi12:46:501:42:518:1726:46
8:37
+0:14
Half
13.11 mi12:52:401:48:418:175:50
8:33
-0:04
25K
15.53 mi13:14:052:10:068:2321:25
8:50
+0:17
30K
18.64 mi13:44:222:40:238:3630:17
9:45
+0:55
20M
20.00 mi13:57:042:53:058:3912:42
9:21
-0:24
21M
21.00 mi14:07:513:03:528:4510:47
10:47
+1:26
35K
21.75 mi14:14:493:10:508:466:58
9:19
-1:28
23M
23.00 mi14:26:453:22:468:4911:56
9:32
+0:13
24M
24.00 mi14:35:563:31:578:509:11
9:11
-0:21
40K
24.85 mi14:44:043:40:058:518:08
9:31
+0:20
25.2M
25.20 mi14:47:443:43:458:533:40
10:38
+1:07
Finish
26.22 mi14:58:303:54:318:5710:46
10:34
-0:04

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

7:51 /mi

Average Pace

8:57 /mi

Slowest Pace

10:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:10:06

55% of race

Time at Steady Pace

48:55

21% of race

Time at Slower Pace

55:30

24% of race

Average Pace: 8:57 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:28:2124:227:5124:22
7:51
#12777
10K
6.21 mi11:54:0050:018:0325:39
8:15
#14733
15K
9.32 mi12:20:041:16:058:1026:04
8:23
#15566
20K
12.43 mi12:46:501:42:518:1726:46
8:37
#16085
Half
13.11 mi12:52:401:48:418:175:50
8:33
#16210
25K
15.53 mi13:14:052:10:068:2321:25
8:50
#16575
30K
18.64 mi13:44:222:40:238:3630:17
9:45
#17378
20M
20.00 mi13:57:042:53:058:3912:42
9:21
#17443
21M
21.00 mi14:07:513:03:528:4510:47
10:47
#17717
35K
21.75 mi14:14:493:10:508:466:58
9:19
#17781
23M
23.00 mi14:26:453:22:468:4911:56
9:32
#17874
24M
24.00 mi14:35:563:31:578:509:11
9:11
#17894
40K
24.85 mi14:44:043:40:058:518:08
9:31
#17919
25.2M
25.20 mi14:47:443:43:458:533:40
10:38
#17960
Finish
26.22 mi14:58:303:54:318:5710:46
10:34
#18281
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi127779449944917081(Top 64%)11090(Top 73%)11090(Top 999%)
10K6.21 mi3.10 mi14733-195610227-77810227-77816619(Top 62%)10952(Top 72%)10952(Top 987%)
15K9.32 mi3.11 mi15566-83310530-30310530-30317081(Top 64%)11090(Top 73%)11090(Top 999%)
20K12.43 mi3.11 mi16085-51910706-17610706-17617590(Top 66%)11290(Top 74%)11290(Top 1017%)
Half13.11 mi0.68 mi16210-12510756-5010756-5017963(Top 67%)11485(Top 76%)11485(Top 1035%)
25K15.53 mi2.42 mi16575-36510875-11910875-11918124(Top 68%)11485(Top 76%)11485(Top 1035%)
30K18.64 mi3.11 mi17378-80311181-30611181-30620274(Top 76%)12327(Top 81%)12327(Top 1111%)
20M20.00 mi1.36 mi17443-6511182-111182-118203(Top 68%)11330(Top 75%)11330(Top 1021%)
21M21.00 mi1.00 mi17717-27411275-9311275-9320319(Top 76%)12196(Top 80%)12196(Top 1099%)
35K21.75 mi0.75 mi17781-6411291-1611291-1619187(Top 72%)11670(Top 77%)11670(Top 1051%)
23M23.00 mi1.25 mi17874-9311312-2111312-2118437(Top 69%)11320(Top 75%)11320(Top 1020%)
24M24.00 mi1.00 mi17894-20113121131217990(Top 68%)11075(Top 73%)11075(Top 998%)
40K24.85 mi0.85 mi17919-2511311+111311+118367(Top 69%)11204(Top 74%)11204(Top 1009%)
25.2M25.20 mi0.35 mi17960-4111324-1311324-1319467(Top 73%)11675(Top 77%)11675(Top 1052%)
Finish26.22 mi1.02 mi18281-32111449-12511449-12523125(Top 87%)13395(Top 88%)13395(Top 1207%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

17081

Males

11090

M60-64

11090

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

16619

Males

10952

M60-64

10952

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

17081

Males

11090

M60-64

11090

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

17590

Males

11290

M60-64

11290

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

17963

Males

11485

M60-64

11485

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

18124

Males

11485

M60-64

11485

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

20274

Males

12327

M60-64

12327

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

18203

Males

11330

M60-64

11330

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

20319

Males

12196

M60-64

12196

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

19187

Males

11670

M60-64

11670

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

18437

Males

11320

M60-64

11320

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

17990

Males

11075

M60-64

11075

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18367

Males

11204

M60-64

11204

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19467

Males

11675

M60-64

11675

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

23125

Males

13395

M60-64

13395

Passing Analysis

Category:
Athletes Passed
508
Passed By
6012
Net Change
-5504
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12777
5K → 10K101966-1956#12777#14733
10K → 15K29862-833#14733#15566
15K → 20K59578-519#15566#16085
20K → Half14139-125#16085#16210
Half → 25K52417-365#16210#16575
25K → 30K44847-803#16575#17378
30K → 20M68133-65#17378#17443
20M → 21M26300-274#17443#17717
21M → 35K36100-64#17717#17781
35K → 23M58151-93#17781#17874
23M → 24M4868-20#17874#17894
24M → 40K4469-25#17894#17919
40K → 25.2M1354-41#17919#17960
25.2M → Finish7328-321#17960#18281
TOTALS5086012-5504
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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