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BOSTON MARATHON 2023

Enoch Kim

Bib: 16565•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 37%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 41%
Division (M55-59)
#0 / 1422
Top 22%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
8:11/mi
25:24
↑ 97↓ 3451.5%
10K· 6.21 mi
7:43/mi
49:21
↑ 79↓ 1380.4%
15K· 9.32 mi
7:41/mi
1:13:13
↑ 67↓ 78
20K· 12.43 mi
7:42/mi
1:37:07
↑ 106↓ 860.1%
Half· 13.11 mi
7:37/mi
1:42:19
↑ 19↓ 370.5%
25K· 15.53 mi
7:50/mi
2:01:19
↑ 66↓ 880.2%
30K· 18.64 mi
7:47/mi
2:25:29
↑ 181↓ 1480.2%
20M
7:49/mi
2:36:07
↑ 64↓ 500.2%
21M
7:58/mi
2:44:05
↑ 106↓ 241.6%
35K· 21.75 mi
7:25/mi
2:49:38
↑ 17↓ 861.7%
23M
7:25/mi
2:58:55
↑ 23↓ 630.6%
24M
7:09/mi
3:06:04
↓ 821.3%
40K· 24.85 mi
7:24/mi
3:12:24
↓ 200.3%
25.2M
7:38/mi
3:15:02
↑ 13↓ 160.2%
Finish· 26.22 mi
7:09/mi
3:22:19
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:42:19
Pace7:48 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:40:00
Pace7:38 /mi
📊Negative Split: 2.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:1825:248:1125:24
8:11
-
10K
6.21 mi11:40:1549:217:5723:57
7:43
-0:28
15K
9.32 mi12:04:071:13:137:5123:52
7:41
-0:02
20K
12.43 mi12:28:011:37:077:4923:54
7:42
+0:01
Half
13.11 mi12:33:131:42:197:485:12
7:37
-0:05
25K
15.53 mi12:52:132:01:197:4919:00
7:50
+0:13
30K
18.64 mi13:16:232:25:297:4824:10
7:47
-0:03
20M
20.00 mi13:27:012:36:077:4810:38
7:49
+0:02
21M
21.00 mi13:34:592:44:057:497:58
7:58
+0:09
35K
21.75 mi13:40:322:49:387:485:33
7:25
-0:33
23M
23.00 mi13:49:492:58:557:479:17
7:25
0:00
24M
24.00 mi13:56:583:06:047:457:09
7:09
-0:16
40K
24.85 mi14:03:183:12:247:446:20
7:24
+0:15
25.2M
25.20 mi14:05:563:15:027:442:38
7:38
+0:14
Finish
26.22 mi14:13:133:22:197:437:17
7:09
-0:29

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

7:09 /mi

Average Pace

7:43 /mi

Slowest Pace

8:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:57

84% of race

Time at Steady Pace

33:22

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:43 /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 mi11:16:1825:248:1125:24
8:11
#15250
10K
6.21 mi11:40:1549:217:5723:57
7:43
#13916
15K
9.32 mi12:04:071:13:137:5123:52
7:41
#13174
20K
12.43 mi12:28:011:37:077:4923:54
7:42
#12524
Half
13.11 mi12:33:131:42:197:485:12
7:37
#12450
25K
15.53 mi12:52:132:01:197:4919:00
7:50
#12264
30K
18.64 mi13:16:232:25:297:4824:10
7:47
#11640
20M
20.00 mi13:27:012:36:077:4810:38
7:49
#11406
21M
21.00 mi13:34:592:44:057:497:58
7:58
#11103
35K
21.75 mi13:40:322:49:387:485:33
7:25
#10967
23M
23.00 mi13:49:492:58:557:479:17
7:25
#10627
24M
24.00 mi13:56:583:06:047:457:09
7:09
#10362
40K
24.85 mi14:03:183:12:247:446:20
7:24
#10145
25.2M
25.20 mi14:05:563:15:027:442:38
7:38
#10038
Finish
26.22 mi14:13:133:22:197:437:17
7:09
#9828
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi15250104231042311675(Top 44%)8934(Top 59%)8934(Top 628%)
10K6.21 mi3.10 mi13916+13349905+5189905+51812303(Top 46%)9236(Top 61%)9236(Top 650%)
15K9.32 mi3.11 mi13174+7429589+3169589+31611675(Top 44%)8934(Top 59%)8934(Top 628%)
20K12.43 mi3.11 mi12524+6509295+2949295+29410842(Top 41%)8493(Top 56%)8493(Top 597%)
Half13.11 mi0.68 mi12450+749258+379258+3711124(Top 42%)8656(Top 57%)8656(Top 609%)
25K15.53 mi2.42 mi12264+1869153+1059153+10511376(Top 43%)8654(Top 57%)8654(Top 609%)
30K18.64 mi3.11 mi11640+6248851+3028851+3029195(Top 35%)7388(Top 49%)7388(Top 520%)
20M20.00 mi1.36 mi11406+2348728+1238728+1239056(Top 34%)7231(Top 48%)7231(Top 509%)
21M21.00 mi1.00 mi11103+3038575+1538575+1537148(Top 27%)5964(Top 39%)5964(Top 419%)
35K21.75 mi0.75 mi10967+1368495+808495+807937(Top 30%)6472(Top 43%)6472(Top 455%)
23M23.00 mi1.25 mi10627+3408295+2008295+2005958(Top 22%)5165(Top 34%)5165(Top 363%)
24M24.00 mi1.00 mi10362+2658140+1558140+1555481(Top 21%)4770(Top 31%)4770(Top 335%)
40K24.85 mi0.85 mi10145+2178010+1308010+1306146(Top 23%)5120(Top 34%)5120(Top 360%)
25.2M25.20 mi0.35 mi10038+1077933+777933+774609(Top 17%)4022(Top 27%)4022(Top 283%)
Finish26.22 mi1.02 mi9828+2107796+1377796+1376102(Top 23%)5009(Top 33%)5009(Top 352%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

11675

Males

8934

M55-59

8934

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

12303

Males

9236

M55-59

9236

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

11675

Males

8934

M55-59

8934

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

10842

Males

8493

M55-59

8493

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

11124

Males

8656

M55-59

8656

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

11376

Males

8654

M55-59

8654

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

9195

Males

7388

M55-59

7388

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

9056

Males

7231

M55-59

7231

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

7148

Males

5964

M55-59

5964

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

7937

Males

6472

M55-59

6472

35K→23M

21.8 - 23.0 mi

Top 22%
×5story building
+23ft-63ft

Overall

5958

Males

5165

M55-59

5165

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+12ft-82ft

Overall

5481

Males

4770

M55-59

4770

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6146

Males

5120

M55-59

5120

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4609

Males

4022

M55-59

4022

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6102

Males

5009

M55-59

5009

Passing Analysis

Category:
Athletes Passed
5569*
Passed By
147
Net Change
+5422
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15250
5K → 10K136834+1334#15250#13916
10K → 15K76220+742#13916#13174
15K → 20K66010+650#13174#12524
20K → Half8410+74#12524#12450
Half → 25K21933+186#12450#12264
25K → 30K6317+624#12264#11640
30K → 20M2395+234#11640#11406
20M → 21M3063+303#11406#11103
21M → 35K1426+136#11103#10967
35K → 23M3411+340#10967#10627
23M → 24M2672+265#10627#10362
24M → 40K2225+217#10362#10145
40K → 25.2M107*0+107#10145#10038
25.2M → Finish221*11+210#10038#9828
TOTALS5569*147+5422

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

📊

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