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BOSTON MARATHON 2023

Jai Ho Noh

Bib: 19587•M

CA

0:00
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

Start
0:00:00
Race begins
5K· 3.11 mi
32:32
Rank: #24628
Start → 5K
32:32 | 10:28/mi
10K· 6.21 mi
1:04:00
Rank: #24267 (+361)
5K → 10K
31:28 | 10:08/mi
15K· 9.32 mi
1:35:11
Rank: #24037 (+230)
10K → 15K
31:11 | 10:02/mi
20K· 12.43 mi
2:06:31
Rank: #23781 (+256)
15K → 20K
31:20 | 10:05/mi
Half· 13.11 mi
2:13:39
Rank: #23799 (-18)
20K → Half
7:08 | 10:27/mi
25K· 15.53 mi
2:39:59
Rank: #23770 (+29)
Half → 25K
26:20 | 10:52/mi
30K· 18.64 mi
3:16:46
Rank: #23913 (-143)
25K → 30K
36:47 | 11:50/mi
20M
3:37:48
Rank: #24362 (-449)
30K → 20M
21:02 | 15:29/mi
21M
3:53:17
Rank: #24540 (-178)
20M → 21M
15:29 | 15:29/mi
35K· 21.75 mi
4:03:08
Rank: #24624 (-84)
21M → 35K
9:51 | 13:10/mi
23M
4:19:42
Rank: #24690 (-66)
35K → 23M
16:34 | 13:14/mi
24M
4:34:21
Rank: #24858 (-168)
23M → 24M
14:39 | 14:39/mi
40K· 24.85 mi
4:47:44
Rank: #25006 (-148)
24M → 40K
13:23 | 15:39/mi
25.2M
4:53:09
Rank: #25043 (-37)
40K → 25.2M
5:25 | 15:42/mi
Finish· 26.22 mi
5:06:44
Rank: #25109 (-66)
25.2M → Finish
13:35 | 13:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:39
Pace10:12 /mi
2nd Half
Distance13.11 mi
Time2:53:05
Pace13:12 /mi
📊Positive Split: 29.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:5732:3210:2832:32
10:28
-
10K
6.21 mi12:20:251:04:0010:1831:28
10:08
-0:20
15K
9.32 mi12:51:361:35:1110:1331:11
10:02
-0:06
20K
12.43 mi13:22:562:06:3110:1131:20
10:05
+0:03
Half
13.11 mi13:30:042:13:3910:127:08
10:27
+0:22
25K
15.53 mi13:56:242:39:5910:1826:20
10:52
+0:25
30K
18.64 mi14:33:113:16:4610:3336:47
11:50
+0:58
20M
20.00 mi14:54:133:37:4810:5321:02
15:29
+3:39
21M
21.00 mi15:09:423:53:1711:0715:29
15:29
0:00
35K
21.75 mi15:19:334:03:0811:119:51
13:10
-2:19
23M
23.00 mi15:36:074:19:4211:1716:34
13:14
+0:04
24M
24.00 mi15:50:464:34:2111:2614:39
14:39
+1:25
40K
24.85 mi16:04:094:47:4411:3513:23
15:39
+1:00
25.2M
25.20 mi16:09:344:53:0911:385:25
15:42
+0:03
Finish
26.22 mi16:23:095:06:4411:4213:35
13:20
-2:22

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

10:02 /mi

Average Pace

11:42 /mi

Slowest Pace

15:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:46

64% of race

Time at Steady Pace

40:00

13% of race

Time at Slower Pace

1:09:58

23% of race

Average Pace: 11:42 /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 mi11:48:5732:3210:2832:32
10:28
#24628
10K
6.21 mi12:20:251:04:0010:1831:28
10:08
#24267
15K
9.32 mi12:51:361:35:1110:1331:11
10:02
#24037
20K
12.43 mi13:22:562:06:3110:1131:20
10:05
#23781
Half
13.11 mi13:30:042:13:3910:127:08
10:27
#23799
25K
15.53 mi13:56:242:39:5910:1826:20
10:52
#23770
30K
18.64 mi14:33:113:16:4610:3336:47
11:50
#23913
20M
20.00 mi14:54:133:37:4810:5321:02
15:29
#24362
21M
21.00 mi15:09:423:53:1711:0715:29
15:29
#24540
35K
21.75 mi15:19:334:03:0811:119:51
13:10
#24624
23M
23.00 mi15:36:074:19:4211:1716:34
13:14
#24690
24M
24.00 mi15:50:464:34:2111:2614:39
14:39
#24858
40K
24.85 mi16:04:094:47:4411:3513:23
15:39
#25006
25.2M
25.20 mi16:09:344:53:0911:385:25
15:42
#25043
Finish
26.22 mi16:23:095:06:4411:4213:35
13:20
#25109
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi24628143751437523565(Top 89%)13900(Top 92%)13900(Top 1252%)
10K6.21 mi3.10 mi24267+36114209+16614209+16623973(Top 90%)14077(Top 93%)14077(Top 1268%)
15K9.32 mi3.11 mi24037+23014105+10414105+10423565(Top 89%)13900(Top 92%)13900(Top 1252%)
20K12.43 mi3.11 mi23781+25613992+11313992+11323093(Top 87%)13671(Top 90%)13671(Top 1232%)
Half13.11 mi0.68 mi23799-1813996-413996-424125(Top 91%)14123(Top 93%)14123(Top 1272%)
25K15.53 mi2.42 mi23770+2913978+1813978+1823760(Top 89%)13912(Top 92%)13912(Top 1253%)
30K18.64 mi3.11 mi23913-14314023-4514023-4524314(Top 91%)14119(Top 93%)14119(Top 1272%)
20M20.00 mi1.36 mi24362-44914205-18214205-18226417(Top 99%)15066(Top 99%)15066(Top 1357%)
21M21.00 mi1.00 mi24540-17814281-7614281-7626002(Top 98%)14863(Top 98%)14863(Top 1339%)
35K21.75 mi0.75 mi24624-8414306-2514306-2525681(Top 96%)14671(Top 97%)14671(Top 1322%)
23M23.00 mi1.25 mi24690-6614327-2114327-2125301(Top 95%)14485(Top 95%)14485(Top 1305%)
24M24.00 mi1.00 mi24858-16814389-6214389-6226316(Top 99%)14988(Top 99%)14988(Top 1350%)
40K24.85 mi0.85 mi25006-14814449-6014449-6026347(Top 99%)15004(Top 99%)15004(Top 1352%)
25.2M25.20 mi0.35 mi25043-3714463-1414463-1426009(Top 98%)14812(Top 98%)14812(Top 1334%)
Finish26.22 mi1.02 mi25109-6614490-2714490-2726123(Top 98%)14869(Top 98%)14869(Top 1340%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

23565

Males

13900

M60-64

13900

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

23973

Males

14077

M60-64

14077

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

23565

Males

13900

M60-64

13900

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

23093

Males

13671

M60-64

13671

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

24125

Males

14123

M60-64

14123

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

23760

Males

13912

M60-64

13912

25K→30K

15.5 - 18.6 mi

Top 91%
×9stories
+181ft-148ft

Overall

24314

Males

14119

M60-64

14119

30K→20M

18.6 - 20.0 mi

Top 99%
×5stories
+64ft-50ft

Overall

26417

Males

15066

M60-64

15066

20M→21M

20.0 - 21.0 mi

Top 98%
×8stories
+106ft-24ft

Overall

26002

Males

14863

M60-64

14863

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

25681

Males

14671

M60-64

14671

35K→23M

21.8 - 23.0 mi

Top 95%
×5stories
+23ft-63ft

Overall

25301

Males

14485

M60-64

14485

23M→24M

23.0 - 24.0 mi

Top 99%
×6stories
+12ft-82ft

Overall

26316

Males

14988

M60-64

14988

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

26347

Males

15004

M60-64

15004

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

26009

Males

14812

M60-64

14812

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2stories
+22ft-21ft

Overall

26123

Males

14869

M60-64

14869

Passing Analysis

Category:
Athletes Passed
1205
Passed By
1686
Net Change
-481
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24628
5K → 10K42564+361#24628#24267
10K → 15K27545+230#24267#24037
15K → 20K27822+256#24037#23781
20K → Half1634-18#23781#23799
Half → 25K10071+29#23799#23770
25K → 30K62205-143#23770#23913
30K → 20M2451-449#23913#24362
20M → 21M9187-178#24362#24540
21M → 35K488-84#24540#24624
35K → 23M2490-66#24624#24690
23M → 24M1169-168#24690#24858
24M → 40K3151-148#24858#25006
40K → 25.2M239-37#25006#25043
25.2M → Finish470-66#25043#25109
TOTALS12051686-481
📊

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