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BOSTON MARATHON 2023

Sook Peng How

Bib: 16881•F

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 49%
Gender (Female)
#0 / 11423
Top 32%
Division (F18-39)
#0 / 4884
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
7:48/mi
24:15
↑ 97↓ 3451.5%
10K· 6.21 mi
7:43/mi
48:13
↑ 79↓ 1380.4%
15K· 9.32 mi
7:40/mi
1:12:02
↑ 67↓ 78
20K· 12.43 mi
7:39/mi
1:35:49
↑ 106↓ 860.1%
Half· 13.11 mi
7:39/mi
1:41:02
↑ 19↓ 370.5%
25K· 15.53 mi
7:58/mi
2:00:22
↑ 66↓ 880.2%
30K· 18.64 mi
8:13/mi
2:25:53
↑ 181↓ 1480.2%
20M
8:36/mi
2:37:34
↑ 64↓ 500.2%
21M
9:08/mi
2:46:42
↑ 106↓ 241.6%
35K· 21.75 mi
8:20/mi
2:52:56
↑ 17↓ 861.7%
23M
8:48/mi
3:03:57
↑ 23↓ 630.6%
24M
8:49/mi
3:12:46
↓ 821.3%
40K· 24.85 mi
8:56/mi
3:20:24
↓ 200.3%
25.2M
9:08/mi
3:23:33
↑ 13↓ 160.2%
Finish· 26.22 mi
8:44/mi
3:32:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:02
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:51:25
Pace8:30 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:1824:157:4824:15
7:48
-
10K
6.21 mi11:38:1648:137:4623:58
7:43
-0:05
15K
9.32 mi12:02:051:12:027:4423:49
7:40
-0:03
20K
12.43 mi12:25:521:35:497:4323:47
7:39
-0:01
Half
13.11 mi12:31:051:41:027:425:13
7:39
0:00
25K
15.53 mi12:50:252:00:227:4519:20
7:58
+0:19
30K
18.64 mi13:15:562:25:537:5025:31
8:13
+0:15
20M
20.00 mi13:27:372:37:347:5311:41
8:36
+0:23
21M
21.00 mi13:36:452:46:427:569:08
9:08
+0:32
35K
21.75 mi13:42:592:52:567:576:14
8:20
-0:48
23M
23.00 mi13:54:003:03:578:0011:01
8:48
+0:28
24M
24.00 mi14:02:493:12:468:028:49
8:49
+0:01
40K
24.85 mi14:10:273:20:248:047:38
8:56
+0:07
25.2M
25.20 mi14:13:363:23:338:053:09
9:08
+0:12
Finish
26.22 mi14:22:303:32:278:078:54
8:44
-0:24

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

7:39 /mi

Average Pace

8:07 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:07

72% of race

Time at Steady Pace

48:03

23% of race

Time at Slower Pace

12:17

6% of race

Average Pace: 8:06 /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 mi11:14:1824:157:4824:15
7:48
#12412
10K
6.21 mi11:38:1648:137:4623:58
7:43
#12363
15K
9.32 mi12:02:051:12:027:4423:49
7:40
#12062
20K
12.43 mi12:25:521:35:497:4323:47
7:39
#11616
Half
13.11 mi12:31:051:41:027:425:13
7:39
#11601
25K
15.53 mi12:50:252:00:227:4519:20
7:58
#11712
30K
18.64 mi13:15:562:25:537:5025:31
8:13
#11829
20M
20.00 mi13:27:372:37:347:5311:41
8:36
#12036
21M
21.00 mi13:36:452:46:427:569:08
9:08
#12163
35K
21.75 mi13:42:592:52:567:576:14
8:20
#12247
23M
23.00 mi13:54:003:03:578:0011:01
8:48
#12434
24M
24.00 mi14:02:493:12:468:028:49
8:49
#12631
40K
24.85 mi14:10:273:20:248:047:38
8:56
#12755
25.2M
25.20 mi14:13:363:23:338:053:09
9:08
#12767
Finish
26.22 mi14:22:303:32:278:078:54
8:44
#12924
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi124123111311111575(Top 43%)2673(Top 23%)2673(Top 55%)
10K6.21 mi3.10 mi12363+493080+313080+3112396(Top 47%)3091(Top 27%)3091(Top 63%)
15K9.32 mi3.11 mi12062+3012927+1532927+15311575(Top 43%)2673(Top 23%)2673(Top 55%)
20K12.43 mi3.11 mi11616+4462692+2352692+23510578(Top 40%)2189(Top 19%)2189(Top 45%)
Half13.11 mi0.68 mi11601+152686+62686+611510(Top 43%)2651(Top 23%)2651(Top 54%)
25K15.53 mi2.42 mi11712-1112767-812767-8112549(Top 47%)3389(Top 30%)3389(Top 69%)
30K18.64 mi3.11 mi11829-1172880-1132880-11312440(Top 47%)3435(Top 30%)3435(Top 70%)
20M20.00 mi1.36 mi12036-2073027-1473027-14714244(Top 54%)4556(Top 40%)4556(Top 93%)
21M21.00 mi1.00 mi12163-1273104-773104-7714132(Top 53%)4552(Top 40%)4552(Top 93%)
35K21.75 mi0.75 mi12247-843164-603164-6014294(Top 54%)4711(Top 41%)4711(Top 96%)
23M23.00 mi1.25 mi12434-1873293-1293293-12914988(Top 56%)5159(Top 45%)5159(Top 106%)
24M24.00 mi1.00 mi12631-1973433-1403433-14016295(Top 61%)5958(Top 52%)5958(Top 122%)
40K24.85 mi0.85 mi12755-1243526-933526-9315763(Top 59%)5707(Top 50%)5707(Top 117%)
25.2M25.20 mi0.35 mi12767-123540-143540-1413304(Top 50%)4375(Top 38%)4375(Top 90%)
Finish26.22 mi1.02 mi12924-1573659-1193659-11916672(Top 63%)6185(Top 54%)6185(Top 127%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

11575

Females

2673

F18-39

2673

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

12396

Females

3091

F18-39

3091

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

11575

Females

2673

F18-39

2673

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

10578

Females

2189

F18-39

2189

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

11510

Females

2651

F18-39

2651

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

12549

Females

3389

F18-39

3389

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

12440

Females

3435

F18-39

3435

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

14244

Females

4556

F18-39

4556

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

14132

Females

4552

F18-39

4552

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

14294

Females

4711

F18-39

4711

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

14988

Females

5159

F18-39

5159

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

16295

Females

5958

F18-39

5958

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15763

Females

5707

F18-39

5707

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13304

Females

4375

F18-39

4375

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2story building
+22ft-21ft

Overall

16672

Females

6185

F18-39

6185

Passing Analysis

Category:
Athletes Passed
1757
Passed By
2269
Net Change
-512
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12412
5K → 10K352303+49#12412#12363
10K → 15K37069+301#12363#12062
15K → 20K46822+446#12062#11616
20K → Half3924+15#11616#11601
Half → 25K108219-111#11601#11712
25K → 30K143260-117#11712#11829
30K → 20M56263-207#11829#12036
20M → 21M49176-127#12036#12163
21M → 35K22106-84#12163#12247
35K → 23M41228-187#12247#12434
23M → 24M32229-197#12434#12631
24M → 40K27151-124#12631#12755
40K → 25.2M2840-12#12755#12767
25.2M → Finish22179-157#12767#12924
TOTALS17572269-512
📊

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