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BOSTON MARATHON 2023

Pak Yin Steven Ng

Bib: 27328•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
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
8:53/mi
27:36
↑ 97↓ 3451.5%
10K· 6.21 mi
8:32/mi
54:07
↑ 79↓ 1380.4%
15K· 9.32 mi
8:32/mi
1:20:39
↑ 67↓ 78
20K· 12.43 mi
9:03/mi
1:48:46
↑ 106↓ 860.1%
Half· 13.11 mi
8:55/mi
1:54:51
↑ 19↓ 370.5%
25K· 15.53 mi
9:13/mi
2:17:13
↑ 66↓ 880.2%
30K· 18.64 mi
9:24/mi
2:46:25
↑ 181↓ 1480.2%
20M
9:00/mi
2:58:39
↑ 64↓ 500.2%
21M
9:11/mi
3:07:50
↑ 106↓ 241.6%
35K· 21.75 mi
8:40/mi
3:14:19
↑ 17↓ 861.7%
23M
9:07/mi
3:25:44
↑ 23↓ 630.6%
24M
9:25/mi
3:35:09
↓ 821.3%
40K· 24.85 mi
9:40/mi
3:43:25
↓ 200.3%
25.2M
10:03/mi
3:46:53
↑ 13↓ 160.2%
Finish· 26.22 mi
8:35/mi
3:55:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:51
Pace8:46 /mi
2nd Half
Distance13.11 mi
Time2:00:47
Pace9:13 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:4627:368:5327:36
8:53
-
10K
6.21 mi12:11:1754:078:4326:31
8:32
-0:21
15K
9.32 mi12:37:491:20:398:3926:32
8:32
0:00
20K
12.43 mi13:05:561:48:468:4528:07
9:03
+0:31
Half
13.11 mi13:12:011:54:518:466:05
8:55
-0:08
25K
15.53 mi13:34:232:17:138:5022:22
9:13
+0:18
30K
18.64 mi14:03:352:46:258:5629:12
9:24
+0:11
20M
20.00 mi14:15:492:58:398:5612:14
9:00
-0:24
21M
21.00 mi14:25:003:07:508:579:11
9:11
+0:11
35K
21.75 mi14:31:293:14:198:566:29
8:40
-0:31
23M
23.00 mi14:42:543:25:448:5711:25
9:07
+0:27
24M
24.00 mi14:52:193:35:098:589:25
9:25
+0:18
40K
24.85 mi15:00:353:43:258:598:16
9:40
+0:15
25.2M
25.20 mi15:04:033:46:539:003:28
10:03
+0:23
Finish
26.22 mi15:12:483:55:389:008:45
8:35
-1:28

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

8:32 /mi

Average Pace

9:00 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05:17

79% of race

Time at Steady Pace

50:21

21% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:59 /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 mi11:44:4627:368:5327:36
8:53
#19898
10K
6.21 mi12:11:1754:078:4326:31
8:32
#19148
15K
9.32 mi12:37:491:20:398:3926:32
8:32
#18761
20K
12.43 mi13:05:561:48:468:4528:07
9:03
#19073
Half
13.11 mi13:12:011:54:518:466:05
8:55
#19119
25K
15.53 mi13:34:232:17:138:5022:22
9:13
#19276
30K
18.64 mi14:03:352:46:258:5629:12
9:24
#19240
20M
20.00 mi14:15:492:58:398:5612:14
9:00
#19039
21M
21.00 mi14:25:003:07:508:579:11
9:11
#18762
35K
21.75 mi14:31:293:14:198:566:29
8:40
#18670
23M
23.00 mi14:42:543:25:448:5711:25
9:07
#18548
24M
24.00 mi14:52:193:35:098:589:25
9:25
#18576
40K
24.85 mi15:00:353:43:258:598:16
9:40
#18592
25.2M
25.20 mi15:04:033:46:539:003:28
10:03
#18584
Finish
26.22 mi15:12:483:55:389:008:45
8:35
#18485
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi19898121351213518073(Top 68%)11506(Top 76%)11506(Top 218%)
10K6.21 mi3.10 mi19148+75011881+25411881+25418451(Top 69%)11692(Top 77%)11692(Top 221%)
15K9.32 mi3.11 mi18761+38711757+12411757+12418073(Top 68%)11506(Top 76%)11506(Top 218%)
20K12.43 mi3.11 mi19073-31211893-13611893-13619919(Top 75%)12264(Top 81%)12264(Top 232%)
Half13.11 mi0.68 mi19119-4611905-1211905-1220016(Top 75%)12310(Top 81%)12310(Top 233%)
25K15.53 mi2.42 mi19276-15711966-6111966-6119929(Top 75%)12257(Top 81%)12257(Top 232%)
30K18.64 mi3.11 mi19240+3611938+2811938+2819028(Top 71%)11794(Top 78%)11794(Top 223%)
20M20.00 mi1.36 mi19039+20111839+9911839+9916550(Top 62%)10639(Top 70%)10639(Top 201%)
21M21.00 mi1.00 mi18762+27711712+12711712+12714393(Top 54%)9675(Top 64%)9675(Top 183%)
35K21.75 mi0.75 mi18670+9211675+3711675+3716229(Top 61%)10391(Top 68%)10391(Top 197%)
23M23.00 mi1.25 mi18548+12211604+7111604+7116619(Top 62%)10512(Top 69%)10512(Top 199%)
24M24.00 mi1.00 mi18576-2811605-111605-118898(Top 71%)11489(Top 76%)11489(Top 217%)
40K24.85 mi0.85 mi18592-1611596+911596+918902(Top 71%)11440(Top 75%)11440(Top 216%)
25.2M25.20 mi0.35 mi18584+811588+811588+817565(Top 66%)10822(Top 71%)10822(Top 205%)
Finish26.22 mi1.02 mi18485+9911541+4711541+4715902(Top 60%)10138(Top 67%)10138(Top 192%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

18073

Males

11506

M18-39

11506

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

18451

Males

11692

M18-39

11692

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

18073

Males

11506

M18-39

11506

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

19919

Males

12264

M18-39

12264

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

20016

Males

12310

M18-39

12310

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

19929

Males

12257

M18-39

12257

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

19028

Males

11794

M18-39

11794

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

16550

Males

10639

M18-39

10639

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

14393

Males

9675

M18-39

9675

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

16229

Males

10391

M18-39

10391

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

16619

Males

10512

M18-39

10512

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

18898

Males

11489

M18-39

11489

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18902

Males

11440

M18-39

11440

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17565

Males

10822

M18-39

10822

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

15902

Males

10138

M18-39

10138

Passing Analysis

Category:
Athletes Passed
2605
Passed By
1192
Net Change
+1413
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19898
5K → 10K851101+750#19898#19148
10K → 15K44154+387#19148#18761
15K → 20K73385-312#18761#19073
20K → Half1561-46#19073#19119
Half → 25K78235-157#19119#19276
25K → 30K179143+36#19276#19240
30K → 20M2098+201#19240#19039
20M → 21M2781+277#19039#18762
21M → 35K1008+92#18762#18670
35K → 23M14826+122#18670#18548
23M → 24M4169-28#18548#18576
24M → 40K4359-16#18576#18592
40K → 25.2M3426+8#18592#18584
25.2M → Finish11516+99#18584#18485
TOTALS26051192+1413
📊

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