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BOSTON MARATHON 2023

Kyu Kim

Bib: 14093•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 23%
Gender (Male)
#0 / 15176
Top 36%
Masters (Masters Men)
#0 / 9891
Top 22%
Division (M60-64)
#0 / 1110
Top 3%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:55
Rank: #11402
Start → 5K
23:55 | 7:42/mi
10K· 6.21 mi
47:12
Rank: #10873 (+529)
5K → 10K
23:17 | 7:30/mi
15K· 9.32 mi
1:09:55
Rank: #10052 (+821)
10K → 15K
22:43 | 7:19/mi
20K· 12.43 mi
1:32:41
Rank: #9465 (+587)
15K → 20K
22:46 | 7:20/mi
Half· 13.11 mi
1:37:40
Rank: #9419 (+46)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:55:16
Rank: #8977 (+442)
Half → 25K
17:36 | 7:16/mi
30K· 18.64 mi
2:17:31
Rank: #8198 (+779)
25K → 30K
22:15 | 7:10/mi
20M
2:27:01
Rank: #7800 (+398)
30K → 20M
9:30 | 6:59/mi
21M
2:34:28
Rank: #7557 (+243)
20M → 21M
7:27 | 7:27/mi
35K· 21.75 mi
2:39:17
Rank: #7331 (+226)
21M → 35K
4:49 | 6:26/mi
23M
2:47:47
Rank: #6958 (+373)
35K → 23M
8:30 | 6:47/mi
24M
2:54:10
Rank: #6668 (+290)
23M → 24M
6:23 | 6:23/mi
40K· 24.85 mi
2:59:49
Rank: #6440 (+228)
24M → 40K
5:39 | 6:36/mi
25.2M
3:02:18
Rank: #6361 (+79)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
3:08:52
Rank: #6148 (+213)
25.2M → Finish
6:34 | 6:27/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:37:40
Pace7:27 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:31:12
Pace6:57 /mi
📊Negative Split: 6.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5023:557:4223:55
7:42
-
10K
6.21 mi11:16:0747:127:3623:17
7:30
-0:12
15K
9.32 mi11:38:501:09:557:3022:43
7:19
-0:11
20K
12.43 mi12:01:361:32:417:2722:46
7:20
+0:01
Half
13.11 mi12:06:351:37:407:274:59
7:18
-0:02
25K
15.53 mi12:24:111:55:167:2517:36
7:16
-0:02
30K
18.64 mi12:46:262:17:317:2322:15
7:10
-0:06
20M
20.00 mi12:55:562:27:017:219:30
6:59
-0:11
21M
21.00 mi13:03:232:34:287:217:27
7:27
+0:28
35K
21.75 mi13:08:122:39:177:194:49
6:26
-1:01
23M
23.00 mi13:16:422:47:477:188:30
6:47
+0:21
24M
24.00 mi13:23:052:54:107:156:23
6:23
-0:24
40K
24.85 mi13:28:442:59:497:145:39
6:36
+0:13
25.2M
25.20 mi13:31:133:02:187:142:29
7:12
+0:36
Finish
26.22 mi13:37:473:08:527:136:34
6:27
-0:45

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

6:23 /mi

Average Pace

7:13 /mi

Slowest Pace

7:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

41:25

22% of race

Time at Steady Pace

1:32:48

49% of race

Time at Slower Pace

54:39

29% of race

Average Pace: 7:12 /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 mi10:52:5023:557:4223:55
7:42
#11402
10K
6.21 mi11:16:0747:127:3623:17
7:30
#10873
15K
9.32 mi11:38:501:09:557:3022:43
7:19
#10052
20K
12.43 mi12:01:361:32:417:2722:46
7:20
#9465
Half
13.11 mi12:06:351:37:407:274:59
7:18
#9419
25K
15.53 mi12:24:111:55:167:2517:36
7:16
#8977
30K
18.64 mi12:46:262:17:317:2322:15
7:10
#8198
20M
20.00 mi12:55:562:27:017:219:30
6:59
#7800
21M
21.00 mi13:03:232:34:287:217:27
7:27
#7557
35K
21.75 mi13:08:122:39:177:194:49
6:26
#7331
23M
23.00 mi13:16:422:47:477:188:30
6:47
#6958
24M
24.00 mi13:23:052:54:107:156:23
6:23
#6668
40K
24.85 mi13:28:442:59:497:145:39
6:36
#6440
25.2M
25.20 mi13:31:133:02:187:142:29
7:12
#6361
Finish
26.22 mi13:37:473:08:527:136:34
6:27
#6148
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi11402884288428642(Top 32%)7330(Top 48%)7330(Top 660%)
10K6.21 mi3.10 mi10873+5298595+2478595+24710382(Top 39%)8371(Top 55%)8371(Top 754%)
15K9.32 mi3.11 mi10052+8218190+4058190+4058642(Top 32%)7330(Top 48%)7330(Top 660%)
20K12.43 mi3.11 mi9465+5877834+3567834+3567970(Top 30%)6864(Top 45%)6864(Top 618%)
Half13.11 mi0.68 mi9419+467804+307804+308551(Top 32%)7215(Top 48%)7215(Top 650%)
25K15.53 mi2.42 mi8977+4427530+2747530+2746989(Top 26%)6143(Top 40%)6143(Top 553%)
30K18.64 mi3.11 mi8198+7796995+5356995+5355281(Top 20%)4824(Top 32%)4824(Top 435%)
20M20.00 mi1.36 mi7800+3986732+2636732+2633995(Top 15%)3711(Top 24%)3711(Top 334%)
21M21.00 mi1.00 mi7557+2436553+1796553+1794364(Top 16%)3990(Top 26%)3990(Top 359%)
35K21.75 mi0.75 mi7331+2266394+1596394+1592172(Top 8%)2065(Top 14%)2065(Top 186%)
23M23.00 mi1.25 mi6958+3736118+2766118+2762627(Top 10%)2468(Top 16%)2468(Top 222%)
24M24.00 mi1.00 mi6668+2905903+2155903+2151645(Top 6%)1558(Top 10%)1558(Top 140%)
40K24.85 mi0.85 mi6440+2285725+1785725+1781973(Top 7%)1855(Top 12%)1855(Top 167%)
25.2M25.20 mi0.35 mi6361+795666+595666+592589(Top 10%)2402(Top 16%)2402(Top 216%)
Finish26.22 mi1.02 mi6148+2135490+1765490+1762246(Top 8%)2086(Top 14%)2086(Top 188%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

8642

Males

7330

M60-64

7330

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10382

Males

8371

M60-64

8371

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

8642

Males

7330

M60-64

7330

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

7970

Males

6864

M60-64

6864

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

8551

Males

7215

M60-64

7215

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

6989

Males

6143

M60-64

6143

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5281

Males

4824

M60-64

4824

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

3995

Males

3711

M60-64

3711

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4364

Males

3990

M60-64

3990

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2172

Males

2065

M60-64

2065

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2627

Males

2468

M60-64

2468

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1645

Males

1558

M60-64

1558

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1973

Males

1855

M60-64

1855

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2589

Males

2402

M60-64

2402

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2246

Males

2086

M60-64

2086

Passing Analysis

Category:
Athletes Passed
5399*
Passed By
145
Net Change
+5254
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11402
5K → 10K645116+529#11402#10873
10K → 15K83312+821#10873#10052
15K → 20K594*7+587#10052#9465
20K → Half515+46#9465#9419
Half → 25K4453+442#9419#8977
25K → 30K7790+779#8977#8198
30K → 20M3991+398#8198#7800
20M → 21M2430+243#7800#7557
21M → 35K2271+226#7557#7331
35K → 23M3730+373#7331#6958
23M → 24M2900+290#6958#6668
24M → 40K2280+228#6668#6440
40K → 25.2M790+79#6440#6361
25.2M → Finish2130+213#6361#6148
TOTALS5399*145+5254

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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