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BOSTON MARATHON 2023

Jinping Sun

Bib: 16581•F

BC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 46%
Gender (Female)
#0 / 11423
Top 28%
Masters (Masters Women)
#0 / 6539
Top 15%
Division (F45-49)
#0 / 1817
Top 16%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:24
Rank: #9926
Start → 5K
23:24 | 7:32/mi
10K· 6.21 mi
47:08
Rank: #10797 (-871)
5K → 10K
23:44 | 7:38/mi
15K· 9.32 mi
1:11:33
Rank: #11589 (-792)
10K → 15K
24:25 | 7:52/mi
20K· 12.43 mi
1:36:35
Rank: #12142 (-553)
15K → 20K
25:02 | 8:03/mi
Half· 13.11 mi
1:41:54
Rank: #12166 (-24)
20K → Half
5:19 | 7:48/mi
25K· 15.53 mi
2:01:18
Rank: #12259 (-93)
Half → 25K
19:24 | 8:00/mi
30K· 18.64 mi
2:27:06
Rank: #12403 (-144)
25K → 30K
25:48 | 8:18/mi
20M
2:38:25
Rank: #12386 (+17)
30K → 20M
11:19 | 8:20/mi
21M
2:47:19
Rank: #12390 (-4)
20M → 21M
8:54 | 8:54/mi
35K· 21.75 mi
2:53:21
Rank: #12403 (-13)
21M → 35K
6:02 | 8:04/mi
23M
3:03:46
Rank: #12368 (+35)
35K → 23M
10:25 | 8:19/mi
24M
3:11:52
Rank: #12341 (+27)
23M → 24M
8:06 | 8:06/mi
40K· 24.85 mi
3:18:47
Rank: #12267 (+74)
24M → 40K
6:55 | 8:05/mi
25.2M
3:21:49
Rank: #12253 (+14)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:29:52
Rank: #12215 (+38)
25.2M → Finish
8:03 | 7:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:54
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:47:58
Pace8:14 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:3323:247:3223:24
7:32
-
10K
6.21 mi11:37:1747:087:3523:44
7:38
+0:06
15K
9.32 mi12:01:421:11:337:4124:25
7:52
+0:14
20K
12.43 mi12:26:441:36:357:4625:02
8:03
+0:11
Half
13.11 mi12:32:031:41:547:465:19
7:48
-0:15
25K
15.53 mi12:51:272:01:187:4919:24
8:00
+0:12
30K
18.64 mi13:17:152:27:067:5325:48
8:18
+0:18
20M
20.00 mi13:28:342:38:257:5511:19
8:20
+0:02
21M
21.00 mi13:37:282:47:197:588:54
8:54
+0:34
35K
21.75 mi13:43:302:53:217:586:02
8:04
-0:50
23M
23.00 mi13:53:553:03:467:5910:25
8:19
+0:15
24M
24.00 mi14:02:013:11:528:008:06
8:06
-0:13
40K
24.85 mi14:08:563:18:478:006:55
8:05
-0:01
25.2M
25.20 mi14:11:583:21:498:013:02
8:48
+0:43
Finish
26.22 mi14:20:013:29:528:018:03
7:54
-0:54

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

7:32 /mi

Average Pace

8:01 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:24

72% of race

Time at Steady Pace

50:34

24% of race

Time at Slower Pace

8:54

4% of race

Average Pace: 8:00 /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 mi11:13:3323:247:3223:24
7:32
#9926
10K
6.21 mi11:37:1747:087:3523:44
7:38
#10797
15K
9.32 mi12:01:421:11:337:4124:25
7:52
#11589
20K
12.43 mi12:26:441:36:357:4625:02
8:03
#12142
Half
13.11 mi12:32:031:41:547:465:19
7:48
#12166
25K
15.53 mi12:51:272:01:187:4919:24
8:00
#12259
30K
18.64 mi13:17:152:27:067:5325:48
8:18
#12403
20M
20.00 mi13:28:342:38:257:5511:19
8:20
#12386
21M
21.00 mi13:37:282:47:197:588:54
8:54
#12390
35K
21.75 mi13:43:302:53:217:586:02
8:04
#12403
23M
23.00 mi13:53:553:03:467:5910:25
8:19
#12368
24M
24.00 mi14:02:013:11:528:008:06
8:06
#12341
40K
24.85 mi14:08:563:18:478:006:55
8:05
#12267
25.2M
25.20 mi14:11:583:21:498:013:02
8:48
#12253
Finish
26.22 mi14:20:013:29:528:018:03
7:54
#12215
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi99261828182813191(Top 50%)3598(Top 31%)3598(Top 198%)
10K6.21 mi3.10 mi10797-8712228-4002228-40011703(Top 44%)2703(Top 24%)2703(Top 149%)
15K9.32 mi3.11 mi11589-7922655-4272655-42713191(Top 50%)3598(Top 31%)3598(Top 198%)
20K12.43 mi3.11 mi12142-5533004-3493004-34913899(Top 52%)4046(Top 35%)4046(Top 223%)
Half13.11 mi0.68 mi12166-243016-123016-1212719(Top 48%)3325(Top 29%)3325(Top 183%)
25K15.53 mi2.42 mi12259-933090-743090-7412759(Top 48%)3493(Top 31%)3493(Top 192%)
30K18.64 mi3.11 mi12403-1443200-1103200-11013060(Top 49%)3789(Top 33%)3789(Top 209%)
20M20.00 mi1.36 mi12386+173208-83208-812542(Top 47%)3599(Top 32%)3599(Top 198%)
21M21.00 mi1.00 mi12390-43226-183226-1812858(Top 48%)3866(Top 34%)3866(Top 213%)
35K21.75 mi0.75 mi12403-133259-333259-3312593(Top 47%)3754(Top 33%)3754(Top 207%)
23M23.00 mi1.25 mi12368+353261-23261-212056(Top 45%)3545(Top 31%)3545(Top 195%)
24M24.00 mi1.00 mi12341+273261326111963(Top 45%)3564(Top 31%)3564(Top 196%)
40K24.85 mi0.85 mi12267+743237+243237+2410680(Top 40%)2984(Top 26%)2984(Top 164%)
25.2M25.20 mi0.35 mi12253+143243-63243-611380(Top 43%)3392(Top 30%)3392(Top 187%)
Finish26.22 mi1.02 mi12215+383241+23241+211415(Top 43%)3403(Top 30%)3403(Top 187%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21stories
+97ft-345ft

Overall

13191

Females

3598

F45-49

3598

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

11703

Females

2703

F45-49

2703

10K→15K

6.2 - 9.3 mi

Top 50%
×3stories
+67ft-78ft

Overall

13191

Females

3598

F45-49

3598

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

13899

Females

4046

F45-49

4046

20K→Half

12.4 - 13.1 mi

Top 48%
×2stories
+19ft-37ft

Overall

12719

Females

3325

F45-49

3325

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

12759

Females

3493

F45-49

3493

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

13060

Females

3789

F45-49

3789

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

12542

Females

3599

F45-49

3599

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

12858

Females

3866

F45-49

3866

21M→35K

21.0 - 21.8 mi

Top 47%
×7stories
+17ft-86ft

Overall

12593

Females

3754

F45-49

3754

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

12056

Females

3545

F45-49

3545

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

11963

Females

3564

F45-49

3564

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10680

Females

2984

F45-49

2984

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11380

Females

3392

F45-49

3392

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

11415

Females

3403

F45-49

3403

Passing Analysis

Category:
Athletes Passed
1071
Passed By
3358
Net Change
-2289
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9926
5K → 10K69938-871#9926#10797
10K → 15K30822-792#10797#11589
15K → 20K51604-553#11589#12142
20K → Half2044-24#12142#12166
Half → 25K86179-93#12166#12259
25K → 30K162306-144#12259#12403
30K → 20M10184+17#12403#12386
20M → 21M9599-4#12386#12390
21M → 35K4659-13#12390#12403
35K → 23M10267+35#12403#12368
23M → 24M7649+27#12368#12341
24M → 40K9319+74#12341#12267
40K → 25.2M4127+14#12267#12253
25.2M → Finish9961+38#12253#12215
TOTALS10713358-2289
📊

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