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BOSTON MARATHON 2023

Summer Wu

Bib: 17271•F

WA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 46%
Gender (Female)
#0 / 11423
Top 29%
Division (F18-39)
#0 / 4884
Top 47%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:10
Rank: #9295
Start → 5K
23:10 | 7:27/mi
10K· 6.21 mi
46:44
Rank: #10242 (-947)
5K → 10K
23:34 | 7:35/mi
15K· 9.32 mi
1:10:23
Rank: #10516 (-274)
10K → 15K
23:39 | 7:37/mi
20K· 12.43 mi
1:35:13
Rank: #11211 (-695)
15K → 20K
24:50 | 8:00/mi
Half· 13.11 mi
1:40:40
Rank: #11360 (-149)
20K → Half
5:27 | 7:59/mi
25K· 15.53 mi
2:00:26
Rank: #11749 (-389)
Half → 25K
19:46 | 8:09/mi
30K· 18.64 mi
2:27:18
Rank: #12481 (-732)
25K → 30K
26:52 | 8:39/mi
20M
2:39:00
Rank: #12626 (-145)
30K → 20M
11:42 | 8:37/mi
21M
2:48:00
Rank: #12667 (-41)
20M → 21M
9:00 | 9:00/mi
35K· 21.75 mi
2:54:03
Rank: #12660 (+7)
21M → 35K
6:03 | 8:05/mi
23M
3:04:31
Rank: #12612 (+48)
35K → 23M
10:28 | 8:22/mi
24M
3:12:48
Rank: #12637 (-25)
23M → 24M
8:17 | 8:17/mi
40K· 24.85 mi
3:19:58
Rank: #12634 (+3)
24M → 40K
7:10 | 8:23/mi
25.2M
3:22:55
Rank: #12583 (+51)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:30:14
Rank: #12337 (+246)
25.2M → Finish
7:19 | 7:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:40
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:49:34
Pace8:21 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:38:2723:107:2723:10
7:27
-
10K
6.21 mi12:02:0146:447:3123:34
7:35
+0:08
15K
9.32 mi12:25:401:10:237:3323:39
7:37
+0:02
20K
12.43 mi12:50:301:35:137:4024:50
8:00
+0:23
Half
13.11 mi12:55:571:40:407:415:27
7:59
-0:01
25K
15.53 mi13:15:432:00:267:4519:46
8:09
+0:10
30K
18.64 mi13:42:352:27:187:5426:52
8:39
+0:30
20M
20.00 mi13:54:172:39:007:5711:42
8:37
-0:02
21M
21.00 mi14:03:172:48:008:009:00
9:00
+0:23
35K
21.75 mi14:09:202:54:038:006:03
8:05
-0:55
23M
23.00 mi14:19:483:04:318:0110:28
8:22
+0:17
24M
24.00 mi14:28:053:12:488:028:17
8:17
-0:05
40K
24.85 mi14:35:153:19:588:037:10
8:23
+0:06
25.2M
25.20 mi14:38:123:22:558:032:57
8:33
+0:10
Finish
26.22 mi14:45:313:30:148:017:19
7:11
-1:22

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

7:11 /mi

Average Pace

8:01 /mi

Slowest Pace

9:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:17:42

37% of race

Time at Steady Pace

1:22:01

39% of race

Time at Slower Pace

50:31

24% of race

Average Pace: 8:01 /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 mi11:38:2723:107:2723:10
7:27
#9295
10K
6.21 mi12:02:0146:447:3123:34
7:35
#10242
15K
9.32 mi12:25:401:10:237:3323:39
7:37
#10516
20K
12.43 mi12:50:301:35:137:4024:50
8:00
#11211
Half
13.11 mi12:55:571:40:407:415:27
7:59
#11360
25K
15.53 mi13:15:432:00:267:4519:46
8:09
#11749
30K
18.64 mi13:42:352:27:187:5426:52
8:39
#12481
20M
20.00 mi13:54:172:39:007:5711:42
8:37
#12626
21M
21.00 mi14:03:172:48:008:009:00
9:00
#12667
35K
21.75 mi14:09:202:54:038:006:03
8:05
#12660
23M
23.00 mi14:19:483:04:318:0110:28
8:22
#12612
24M
24.00 mi14:28:053:12:488:028:17
8:17
#12637
40K
24.85 mi14:35:153:19:588:037:10
8:23
#12634
25.2M
25.20 mi14:38:123:22:558:032:57
8:33
#12583
Finish
26.22 mi14:45:313:30:148:017:19
7:11
#12337
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi92951535153511138(Top 42%)2429(Top 21%)2429(Top 50%)
10K6.21 mi3.10 mi10242-9471950-4151950-41511202(Top 42%)2434(Top 21%)2434(Top 50%)
15K9.32 mi3.11 mi10516-2742074-1242074-12411138(Top 42%)2429(Top 21%)2429(Top 50%)
20K12.43 mi3.11 mi11211-6952442-3682442-36813366(Top 50%)3738(Top 33%)3738(Top 77%)
Half13.11 mi0.68 mi11360-1492541-992541-9914281(Top 54%)4225(Top 37%)4225(Top 87%)
25K15.53 mi2.42 mi11749-3892787-2462787-24613895(Top 52%)4151(Top 36%)4151(Top 85%)
30K18.64 mi3.11 mi12481-7323245-4583245-45815205(Top 57%)5059(Top 44%)5059(Top 104%)
20M20.00 mi1.36 mi12626-1453351-1063351-10614323(Top 54%)4602(Top 40%)4602(Top 94%)
21M21.00 mi1.00 mi12667-413395-443395-4413413(Top 50%)4158(Top 36%)4158(Top 85%)
35K21.75 mi0.75 mi12660+73406-113406-1112731(Top 48%)3838(Top 34%)3838(Top 79%)
23M23.00 mi1.25 mi12612+483396+103396+1012319(Top 46%)3697(Top 32%)3697(Top 76%)
24M24.00 mi1.00 mi12637-253437-413437-4113176(Top 49%)4214(Top 37%)4214(Top 86%)
40K24.85 mi0.85 mi12634+33451-143451-1412599(Top 47%)3991(Top 35%)3991(Top 82%)
25.2M25.20 mi0.35 mi12583+513428+233428+239970(Top 37%)2686(Top 24%)2686(Top 55%)
Finish26.22 mi1.02 mi12337+2463313+1153313+1156327(Top 24%)1184(Top 10%)1184(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11138

Females

2429

F18-39

2429

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11202

Females

2434

F18-39

2434

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11138

Females

2429

F18-39

2429

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

13366

Females

3738

F18-39

3738

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

14281

Females

4225

F18-39

4225

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13895

Females

4151

F18-39

4151

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

15205

Females

5059

F18-39

5059

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

14323

Females

4602

F18-39

4602

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

13413

Females

4158

F18-39

4158

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

12731

Females

3838

F18-39

3838

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

12319

Females

3697

F18-39

3697

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

13176

Females

4214

F18-39

4214

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12599

Females

3991

F18-39

3991

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9970

Females

2686

F18-39

2686

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6327

Females

1184

F18-39

1184

Passing Analysis

Category:
Athletes Passed
1006
Passed By
4047
Net Change
-3042
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9295
5K → 10K53999-947#9295#10242
10K → 15K96370-274#10242#10516
15K → 20K27722-695#10516#11211
20K → Half3152-149#11211#11360
Half → 25K47436-389#11360#11749
25K → 30K54786-732#11749#12481
30K → 20M56201-145#12481#12626
20M → 21M78119-41#12626#12667
21M → 35K4740+7#12667#12660
35K → 23M10759+48#12660#12612
23M → 24M6792-25#12612#12637
24M → 40K6360+3#12637#12634
40K → 25.2M565+51#12634#12583
25.2M → Finish2526+246#12583#12337
TOTALS10064047-3042
📊

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