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BOSTON MARATHON 2023

Jing Pu

Bib: 20861•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 40%
Division (F45-49)
#0 / 1817
Top 47%
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
8:13/mi
25:31
↑ 97↓ 3451.5%
10K· 6.21 mi
8:13/mi
51:02
↑ 79↓ 1380.4%
15K· 9.32 mi
8:16/mi
1:16:43
↑ 67↓ 78
20K· 12.43 mi
8:25/mi
1:42:51
↑ 106↓ 860.1%
Half· 13.11 mi
8:14/mi
1:48:28
↑ 19↓ 370.5%
25K· 15.53 mi
8:40/mi
2:09:28
↑ 66↓ 880.2%
30K· 18.64 mi
9:18/mi
2:38:23
↑ 181↓ 1480.2%
20M
8:54/mi
2:50:29
↑ 64↓ 500.2%
21M
9:32/mi
3:00:01
↑ 106↓ 241.6%
35K· 21.75 mi
10:07/mi
3:07:35
↑ 17↓ 861.7%
23M
8:39/mi
3:18:25
↑ 23↓ 630.6%
24M
8:21/mi
3:26:46
↓ 821.3%
40K· 24.85 mi
8:33/mi
3:34:05
↓ 200.3%
25.2M
9:43/mi
3:37:26
↑ 13↓ 160.2%
Finish· 26.22 mi
8:27/mi
3:46:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:28
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time1:57:35
Pace8:58 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:5525:318:1325:31
8:13
-
10K
6.21 mi11:47:2651:028:1325:31
8:13
0:00
15K
9.32 mi12:13:071:16:438:1425:41
8:16
+0:03
20K
12.43 mi12:39:151:42:518:1726:08
8:25
+0:09
Half
13.11 mi12:44:521:48:288:165:37
8:14
-0:11
25K
15.53 mi13:05:522:09:288:2021:00
8:40
+0:26
30K
18.64 mi13:34:472:38:238:3028:55
9:18
+0:38
20M
20.00 mi13:46:532:50:298:3112:06
8:54
-0:24
21M
21.00 mi13:56:253:00:018:349:32
9:32
+0:38
35K
21.75 mi14:03:593:07:358:387:34
10:07
+0:35
23M
23.00 mi14:14:493:18:258:3810:50
8:39
-1:28
24M
24.00 mi14:23:103:26:468:378:21
8:21
-0:18
40K
24.85 mi14:30:293:34:058:377:19
8:33
+0:12
25.2M
25.20 mi14:33:503:37:268:383:21
9:43
+1:10
Finish
26.22 mi14:42:273:46:038:388:37
8:27
-1:16

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

8:13 /mi

Average Pace

8:38 /mi

Slowest Pace

10:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

56:39

25% of race

Time at Steady Pace

1:47:56

48% of race

Time at Slower Pace

1:01:28

27% of race

Average Pace: 8:37 /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 mi11:21:5525:318:1325:31
8:13
#15578
10K
6.21 mi11:47:2651:028:1325:31
8:13
#15915
15K
9.32 mi12:13:071:16:438:1425:41
8:16
#16051
20K
12.43 mi12:39:151:42:518:1726:08
8:25
#16089
Half
13.11 mi12:44:521:48:288:165:37
8:14
#16090
25K
15.53 mi13:05:522:09:288:2021:00
8:40
#16283
30K
18.64 mi13:34:472:38:238:3028:55
9:18
#16751
20M
20.00 mi13:46:532:50:298:3112:06
8:54
#16693
21M
21.00 mi13:56:253:00:018:349:32
9:32
#16642
35K
21.75 mi14:03:593:07:358:387:34
10:07
#16908
23M
23.00 mi14:14:493:18:258:3810:50
8:39
#16747
24M
24.00 mi14:23:103:26:468:378:21
8:21
#16599
40K
24.85 mi14:30:293:34:058:377:19
8:33
#16480
25.2M
25.20 mi14:33:503:37:268:383:21
9:43
#16461
Finish
26.22 mi14:42:273:46:038:388:37
8:27
#16390
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi155785023502316335(Top 61%)5499(Top 48%)5499(Top 303%)
10K6.21 mi3.10 mi15915-3375237-2145237-21416365(Top 61%)5493(Top 48%)5493(Top 302%)
15K9.32 mi3.11 mi16051-1365317-805317-8016335(Top 61%)5499(Top 48%)5499(Top 303%)
20K12.43 mi3.11 mi16089-385362-455362-4516325(Top 61%)5546(Top 49%)5546(Top 305%)
Half13.11 mi0.68 mi16090-15370-85370-816093(Top 60%)5361(Top 47%)5361(Top 295%)
25K15.53 mi2.42 mi16283-1935504-1345504-13417168(Top 64%)6096(Top 53%)6096(Top 335%)
30K18.64 mi3.11 mi16751-4685827-3235827-32318665(Top 70%)7011(Top 61%)7011(Top 386%)
20M20.00 mi1.36 mi16693+585807+205807+2016041(Top 60%)5597(Top 49%)5597(Top 308%)
21M21.00 mi1.00 mi16642+515784+235784+2316134(Top 61%)5701(Top 50%)5701(Top 314%)
35K21.75 mi0.75 mi16908-2665935-1515935-15121588(Top 81%)8812(Top 77%)8812(Top 485%)
23M23.00 mi1.25 mi16747+1615873+625873+6214120(Top 53%)4695(Top 41%)4695(Top 258%)
24M24.00 mi1.00 mi16599+1485805+685805+6813580(Top 51%)4449(Top 39%)4449(Top 245%)
40K24.85 mi0.85 mi16480+1195760+455760+4513755(Top 52%)4622(Top 40%)4622(Top 254%)
25.2M25.20 mi0.35 mi16461+195752+85752+816230(Top 61%)5997(Top 52%)5997(Top 330%)
Finish26.22 mi1.02 mi16390+715712+405712+4015163(Top 57%)5352(Top 47%)5352(Top 295%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

16335

Females

5499

F45-49

5499

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

16365

Females

5493

F45-49

5493

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

16335

Females

5499

F45-49

5499

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

16325

Females

5546

F45-49

5546

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

16093

Females

5361

F45-49

5361

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

17168

Females

6096

F45-49

6096

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

18665

Females

7011

F45-49

7011

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

16041

Females

5597

F45-49

5597

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

16134

Females

5701

F45-49

5701

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

21588

Females

8812

F45-49

8812

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

14120

Females

4695

F45-49

4695

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

13580

Females

4449

F45-49

4449

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13755

Females

4622

F45-49

4622

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16230

Females

5997

F45-49

5997

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

15163

Females

5352

F45-49

5352

Passing Analysis

Category:
Athletes Passed
1484
Passed By
2296
Net Change
-812
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15578
5K → 10K166503-337#15578#15915
10K → 15K134270-136#15915#16051
15K → 20K157195-38#16051#16089
20K → Half3334-1#16089#16090
Half → 25K87280-193#16090#16283
25K → 30K79547-468#16283#16751
30K → 20M10749+58#16751#16693
20M → 21M11160+51#16693#16642
21M → 35K9275-266#16642#16908
35K → 23M17918+161#16908#16747
23M → 24M1579+148#16747#16599
24M → 40K1289+119#16599#16480
40K → 25.2M3819+19#16480#16461
25.2M → Finish9928+71#16461#16390
TOTALS14842296-812
📊

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