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BOSTON MARATHON 2023

Kuan Hua Kho

Bib: 11814•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 34%
Gender (Male)
#0 / 15176
Top 48%
Masters (Masters Men)
#0 / 9891
Top 37%
Division (M45-49)
#0 / 2252
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
7:38/mi
23:43
↑ 97↓ 3451.5%
10K· 6.21 mi
7:30/mi
47:01
↑ 79↓ 1380.4%
15K· 9.32 mi
7:27/mi
1:10:11
↑ 67↓ 78
20K· 12.43 mi
7:32/mi
1:33:35
↑ 106↓ 860.1%
Half· 13.11 mi
7:23/mi
1:38:37
↑ 19↓ 370.5%
25K· 15.53 mi
7:31/mi
1:56:51
↑ 66↓ 880.2%
30K· 18.64 mi
7:38/mi
2:20:34
↑ 181↓ 1480.2%
20M
7:41/mi
2:31:00
↑ 64↓ 500.2%
21M
8:07/mi
2:39:07
↑ 106↓ 241.6%
35K· 21.75 mi
7:22/mi
2:44:38
↑ 17↓ 861.7%
23M
7:42/mi
2:54:17
↑ 23↓ 630.6%
24M
7:35/mi
3:01:52
↓ 821.3%
40K· 24.85 mi
7:49/mi
3:08:33
↓ 200.3%
25.2M
8:27/mi
3:11:28
↑ 13↓ 160.2%
Finish· 26.22 mi
7:37/mi
3:19:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:37
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:40:37
Pace7:41 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5023:437:3823:43
7:38
-
10K
6.21 mi11:14:0847:017:3423:18
7:30
-0:08
15K
9.32 mi11:37:181:10:117:3223:10
7:27
-0:03
20K
12.43 mi12:00:421:33:357:3223:24
7:32
+0:05
Half
13.11 mi12:05:441:38:377:315:02
7:23
-0:09
25K
15.53 mi12:23:581:56:517:3118:14
7:31
+0:08
30K
18.64 mi12:47:412:20:347:3223:43
7:38
+0:07
20M
20.00 mi12:58:072:31:007:3310:26
7:41
+0:03
21M
21.00 mi13:06:142:39:077:358:07
8:07
+0:26
35K
21.75 mi13:11:452:44:387:345:31
7:22
-0:45
23M
23.00 mi13:21:242:54:177:359:39
7:42
+0:20
24M
24.00 mi13:28:593:01:527:357:35
7:35
-0:07
40K
24.85 mi13:35:403:08:337:356:41
7:49
+0:14
25.2M
25.20 mi13:38:353:11:287:362:55
8:27
+0:38
Finish
26.22 mi13:46:213:19:147:367:46
7:37
-0:50

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

7:22 /mi

Average Pace

7:36 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:12

94% of race

Time at Steady Pace

11:02

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:36 /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 mi10:50:5023:437:3823:43
7:38
#10838
10K
6.21 mi11:14:0847:017:3423:18
7:30
#10602
15K
9.32 mi11:37:181:10:117:3223:10
7:27
#10321
20K
12.43 mi12:00:421:33:357:3223:24
7:32
#10089
Half
13.11 mi12:05:441:38:377:315:02
7:23
#10027
25K
15.53 mi12:23:581:56:517:3118:14
7:31
#9828
30K
18.64 mi12:47:412:20:347:3223:43
7:38
#9495
20M
20.00 mi12:58:072:31:007:3310:26
7:41
#9359
21M
21.00 mi13:06:142:39:077:358:07
8:07
#9236
35K
21.75 mi13:11:452:44:387:345:31
7:22
#9159
23M
23.00 mi13:21:242:54:177:359:39
7:42
#9056
24M
24.00 mi13:28:593:01:527:357:35
7:35
#9002
40K
24.85 mi13:35:403:08:337:356:41
7:49
#8970
25.2M
25.20 mi13:38:353:11:287:362:55
8:27
#8961
Finish
26.22 mi13:46:213:19:147:367:46
7:37
#8948
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi10838858085809811(Top 37%)8040(Top 53%)8040(Top 357%)
10K6.21 mi3.10 mi10602+2368468+1128468+11210426(Top 39%)8394(Top 55%)8394(Top 373%)
15K9.32 mi3.11 mi10321+2818339+1298339+1299811(Top 37%)8040(Top 53%)8040(Top 357%)
20K12.43 mi3.11 mi10089+2328198+1418198+1419548(Top 36%)7825(Top 52%)7825(Top 347%)
Half13.11 mi0.68 mi10027+628164+348164+349186(Top 35%)7621(Top 50%)7621(Top 338%)
25K15.53 mi2.42 mi9828+1998036+1288036+1288910(Top 33%)7375(Top 49%)7375(Top 327%)
30K18.64 mi3.11 mi9495+3337796+2407796+2408189(Top 31%)6804(Top 45%)6804(Top 302%)
20M20.00 mi1.36 mi9359+1367690+1067690+1068018(Top 30%)6608(Top 44%)6608(Top 293%)
21M21.00 mi1.00 mi9236+1237596+947596+948104(Top 30%)6540(Top 43%)6540(Top 290%)
35K21.75 mi0.75 mi9159+777535+617535+617642(Top 29%)6284(Top 41%)6284(Top 279%)
23M23.00 mi1.25 mi9056+1037454+817454+817761(Top 29%)6286(Top 41%)6286(Top 279%)
24M24.00 mi1.00 mi9002+547392+627392+628271(Top 31%)6476(Top 43%)6476(Top 288%)
40K24.85 mi0.85 mi8970+327358+347358+348772(Top 33%)6696(Top 44%)6696(Top 297%)
25.2M25.20 mi0.35 mi8961+97346+127346+129189(Top 35%)6849(Top 45%)6849(Top 304%)
Finish26.22 mi1.02 mi8948+137318+287318+289388(Top 35%)6957(Top 46%)6957(Top 309%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9811

Males

8040

M45-49

8040

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

10426

Males

8394

M45-49

8394

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9811

Males

8040

M45-49

8040

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

9548

Males

7825

M45-49

7825

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9186

Males

7621

M45-49

7621

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

8910

Males

7375

M45-49

7375

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8189

Males

6804

M45-49

6804

30K→20M

18.6 - 20.0 mi

Top 30%
×5story building
+64ft-50ft

Overall

8018

Males

6608

M45-49

6608

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8104

Males

6540

M45-49

6540

21M→35K

21.0 - 21.8 mi

Top 29%
×7story building
+17ft-86ft

Overall

7642

Males

6284

M45-49

6284

35K→23M

21.8 - 23.0 mi

Top 29%
×5story building
+23ft-63ft

Overall

7761

Males

6286

M45-49

6286

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8271

Males

6476

M45-49

6476

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8772

Males

6696

M45-49

6696

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9189

Males

6849

M45-49

6849

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

9388

Males

6957

M45-49

6957

Passing Analysis

Category:
Athletes Passed
2503*
Passed By
613
Net Change
+1890
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10838
5K → 10K415*179+236#10838#10602
10K → 15K36382+281#10602#10321
15K → 20K294*62+232#10321#10089
20K → Half69*7+62#10089#10027
Half → 25K223*24+199#10027#9828
25K → 30K361*28+333#9828#9495
30K → 20M16024+136#9495#9359
20M → 21M15229+123#9359#9236
21M → 35K858+77#9236#9159
35K → 23M13128+103#9159#9056
23M → 24M9036+54#9056#9002
24M → 40K6432+32#9002#8970
40K → 25.2M3223+9#8970#8961
25.2M → Finish6451+13#8961#8948
TOTALS2503*613+1890

* 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