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BOSTON MARATHON 2023

Hwasoo Lee

Bib: 19398•M

NY

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:11
Rank: #19170
Start → 5K
27:11 | 8:45/mi
10K· 6.21 mi
52:36
Rank: #17673 (+1497)
5K → 10K
25:25 | 8:11/mi
15K· 9.32 mi
1:18:16
Rank: #17176 (+497)
10K → 15K
25:40 | 8:16/mi
20K· 12.43 mi
1:44:06
Rank: #16775 (+401)
15K → 20K
25:50 | 8:19/mi
Half· 13.11 mi
1:49:40
Rank: #16728 (+47)
20K → Half
5:34 | 8:10/mi
25K· 15.53 mi
2:09:59
Rank: #16523 (+205)
Half → 25K
20:19 | 8:23/mi
30K· 18.64 mi
2:37:06
Rank: #16339 (+184)
25K → 30K
27:07 | 8:44/mi
20M
2:49:13
Rank: #16288 (+51)
30K → 20M
12:07 | 8:55/mi
21M
2:58:41
Rank: #16250 (+38)
20M → 21M
9:28 | 9:28/mi
35K· 21.75 mi
3:05:00
Rank: #16185 (+65)
21M → 35K
6:19 | 8:27/mi
23M
3:16:07
Rank: #16123 (+62)
35K → 23M
11:07 | 8:53/mi
24M
3:24:42
Rank: #16057 (+66)
23M → 24M
8:35 | 8:35/mi
40K· 24.85 mi
3:31:48
Rank: #15908 (+149)
24M → 40K
7:06 | 8:18/mi
25.2M
3:35:01
Rank: #15864 (+44)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:43:44
Rank: #15863 (+1)
25.2M → Finish
8:43 | 8:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:40
Pace8:22 /mi
2nd Half
Distance13.11 mi
Time1:54:04
Pace8:42 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:1427:118:4527:11
8:45
-
10K
6.21 mi11:44:3952:368:2825:25
8:11
-0:34
15K
9.32 mi12:10:191:18:168:2425:40
8:16
+0:05
20K
12.43 mi12:36:091:44:068:2325:50
8:19
+0:03
Half
13.11 mi12:41:431:49:408:225:34
8:10
-0:09
25K
15.53 mi13:02:022:09:598:2220:19
8:23
+0:13
30K
18.64 mi13:29:092:37:068:2627:07
8:44
+0:21
20M
20.00 mi13:41:162:49:138:2812:07
8:55
+0:11
21M
21.00 mi13:50:442:58:418:319:28
9:28
+0:33
35K
21.75 mi13:57:033:05:008:306:19
8:27
-1:01
23M
23.00 mi14:08:103:16:078:3211:07
8:53
+0:26
24M
24.00 mi14:16:453:24:428:328:35
8:35
-0:18
40K
24.85 mi14:23:513:31:488:317:06
8:18
-0:17
25.2M
25.20 mi14:27:043:35:018:323:13
9:20
+1:02
Finish
26.22 mi14:35:473:43:448:328:43
8:33
-0:47

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

8:10 /mi

Average Pace

8:32 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:31:03

94% of race

Time at Steady Pace

12:41

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:32 /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 mi11:19:1427:118:4527:11
8:45
#19170
10K
6.21 mi11:44:3952:368:2825:25
8:11
#17673
15K
9.32 mi12:10:191:18:168:2425:40
8:16
#17176
20K
12.43 mi12:36:091:44:068:2325:50
8:19
#16775
Half
13.11 mi12:41:431:49:408:225:34
8:10
#16728
25K
15.53 mi13:02:022:09:598:2220:19
8:23
#16523
30K
18.64 mi13:29:092:37:068:2627:07
8:44
#16339
20M
20.00 mi13:41:162:49:138:2812:07
8:55
#16288
21M
21.00 mi13:50:442:58:418:319:28
9:28
#16250
35K
21.75 mi13:57:033:05:008:306:19
8:27
#16185
23M
23.00 mi14:08:103:16:078:3211:07
8:53
#16123
24M
24.00 mi14:16:453:24:428:328:35
8:35
#16057
40K
24.85 mi14:23:513:31:488:317:06
8:18
#15908
25.2M
25.20 mi14:27:043:35:018:323:13
9:20
#15864
Finish
26.22 mi14:35:473:43:448:328:43
8:33
#15863
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi19170118401184016283(Top 61%)10801(Top 71%)10801(Top 760%)
10K6.21 mi3.10 mi17673+149711323+51711323+51716107(Top 61%)10747(Top 71%)10747(Top 756%)
15K9.32 mi3.11 mi17176+49711138+18511138+18516283(Top 61%)10801(Top 71%)10801(Top 760%)
20K12.43 mi3.11 mi16775+40110967+17110967+17115680(Top 59%)10514(Top 69%)10514(Top 739%)
Half13.11 mi0.68 mi16728+4710944+2310944+2315467(Top 58%)10484(Top 69%)10484(Top 737%)
25K15.53 mi2.42 mi16523+20510851+9310851+9315439(Top 58%)10318(Top 68%)10318(Top 726%)
30K18.64 mi3.11 mi16339+18410728+12310728+12315653(Top 59%)10332(Top 68%)10332(Top 727%)
20M20.00 mi1.36 mi16288+5110691+3710691+3716069(Top 60%)10435(Top 69%)10435(Top 734%)
21M21.00 mi1.00 mi16250+3810660+3110660+3115788(Top 59%)10262(Top 68%)10262(Top 722%)
35K21.75 mi0.75 mi16185+6510619+4110619+4114961(Top 56%)9866(Top 65%)9866(Top 694%)
23M23.00 mi1.25 mi16123+6210580+3910580+3915416(Top 58%)9995(Top 66%)9995(Top 703%)
24M24.00 mi1.00 mi16057+6610537+4310537+4314952(Top 56%)9730(Top 64%)9730(Top 684%)
40K24.85 mi0.85 mi15908+14910460+7710460+7712058(Top 45%)8355(Top 55%)8355(Top 588%)
25.2M25.20 mi0.35 mi15864+4410439+2110439+2114279(Top 54%)9372(Top 62%)9372(Top 659%)
Finish26.22 mi1.02 mi15863+110433+610433+615712(Top 59%)10041(Top 66%)10041(Top 706%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

16283

Males

10801

M55-59

10801

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

16107

Males

10747

M55-59

10747

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

16283

Males

10801

M55-59

10801

15K→20K

9.3 - 12.4 mi

Top 59%
×5stories
+106ft-86ft

Overall

15680

Males

10514

M55-59

10514

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

15467

Males

10484

M55-59

10484

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

15439

Males

10318

M55-59

10318

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

15653

Males

10332

M55-59

10332

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

16069

Males

10435

M55-59

10435

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

15788

Males

10262

M55-59

10262

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

14961

Males

9866

M55-59

9866

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

15416

Males

9995

M55-59

9995

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

14952

Males

9730

M55-59

9730

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12058

Males

8355

M55-59

8355

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14279

Males

9372

M55-59

9372

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

15712

Males

10041

M55-59

10041

Passing Analysis

Category:
Athletes Passed
3863
Passed By
556
Net Change
+3307
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19170
5K → 10K155255+1497#19170#17673
10K → 15K54144+497#17673#17176
15K → 20K43635+401#17176#16775
20K → Half5710+47#16775#16728
Half → 25K24237+205#16728#16523
25K → 30K27187+184#16523#16339
30K → 20M10554+51#16339#16288
20M → 21M9860+38#16288#16250
21M → 35K8520+65#16250#16185
35K → 23M11654+62#16185#16123
23M → 24M9327+66#16123#16057
24M → 40K1556+149#16057#15908
40K → 25.2M517+44#15908#15864
25.2M → Finish6160+1#15864#15863
TOTALS3863556+3307
📊

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