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BOSTON MARATHON 2023

Yaxin Hu

Bib: 31885•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
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
9:53/mi
30:41
↑ 97↓ 3451.5%
10K· 6.21 mi
9:17/mi
59:32
↑ 79↓ 1380.4%
15K· 9.32 mi
9:04/mi
1:27:41
↑ 67↓ 78
20K· 12.43 mi
9:19/mi
1:56:38
↑ 106↓ 860.1%
Half· 13.11 mi
9:11/mi
2:02:54
↑ 19↓ 370.5%
25K· 15.53 mi
9:24/mi
2:25:41
↑ 66↓ 880.2%
30K· 18.64 mi
9:59/mi
2:56:42
↑ 181↓ 1480.2%
20M
10:03/mi
3:10:21
↑ 64↓ 500.2%
21M
11:13/mi
3:21:34
↑ 106↓ 241.6%
35K· 21.75 mi
9:20/mi
3:28:33
↑ 17↓ 861.7%
23M
10:41/mi
3:41:55
↑ 23↓ 630.6%
24M
10:03/mi
3:51:58
↓ 821.3%
40K· 24.85 mi
10:35/mi
4:01:01
↓ 200.3%
25.2M
12:37/mi
4:05:22
↑ 13↓ 160.2%
Finish· 26.22 mi
15:21/mi
4:21:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:54
Pace9:22 /mi
2nd Half
Distance13.11 mi
Time2:18:07
Pace10:32 /mi
📊Positive Split: 12.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:5630:419:5330:41
9:53
-
10K
6.21 mi12:21:4759:329:3528:51
9:17
-0:36
15K
9.32 mi12:49:561:27:419:2428:09
9:04
-0:13
20K
12.43 mi13:18:531:56:389:2328:57
9:19
+0:15
Half
13.11 mi13:25:092:02:549:226:16
9:11
-0:08
25K
15.53 mi13:47:562:25:419:2322:47
9:24
+0:13
30K
18.64 mi14:18:572:56:429:2931:01
9:59
+0:35
20M
20.00 mi14:32:363:10:219:3113:39
10:03
+0:04
21M
21.00 mi14:43:493:21:349:3611:13
11:13
+1:10
35K
21.75 mi14:50:483:28:339:356:59
9:20
-1:53
23M
23.00 mi15:04:103:41:559:3913:22
10:41
+1:21
24M
24.00 mi15:14:133:51:589:4010:03
10:03
-0:38
40K
24.85 mi15:23:164:01:019:429:03
10:35
+0:32
25.2M
25.20 mi15:27:374:05:229:444:21
12:37
+2:02
Finish
26.22 mi15:43:164:21:019:5815:39
15:21
+2:44

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

9:04 /mi

Average Pace

9:58 /mi

Slowest Pace

15:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

28:09

11% of race

Time at Steady Pace

3:21:39

77% of race

Time at Slower Pace

31:13

12% of race

Average Pace: 9:57 /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 mi11:52:5630:419:5330:41
9:53
#23142
10K
6.21 mi12:21:4759:329:3528:51
9:17
#22562
15K
9.32 mi12:49:561:27:419:2428:09
9:04
#22008
20K
12.43 mi13:18:531:56:389:2328:57
9:19
#21762
Half
13.11 mi13:25:092:02:549:226:16
9:11
#21737
25K
15.53 mi13:47:562:25:419:2322:47
9:24
#21534
30K
18.64 mi14:18:572:56:429:2931:01
9:59
#21414
20M
20.00 mi14:32:363:10:219:3113:39
10:03
#21344
21M
21.00 mi14:43:493:21:349:3611:13
11:13
#21342
35K
21.75 mi14:50:483:28:339:356:59
9:20
#21265
23M
23.00 mi15:04:103:41:559:3913:22
10:41
#21286
24M
24.00 mi15:14:133:51:589:4010:03
10:03
#21264
40K
24.85 mi15:23:164:01:019:429:03
10:35
#21266
25.2M
25.20 mi15:27:374:05:229:444:21
12:37
#21309
Finish
26.22 mi15:43:164:21:019:5815:39
15:21
#21937
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi231429466946620783(Top 78%)8115(Top 71%)8115(Top 166%)
10K6.21 mi3.10 mi22562+5809128+3389128+33821897(Top 82%)8767(Top 77%)8767(Top 180%)
15K9.32 mi3.11 mi22008+5548845+2838845+28320783(Top 78%)8115(Top 71%)8115(Top 166%)
20K12.43 mi3.11 mi21762+2468692+1538692+15321030(Top 79%)8250(Top 72%)8250(Top 169%)
Half13.11 mi0.68 mi21737+258677+158677+1521146(Top 79%)8340(Top 73%)8340(Top 171%)
25K15.53 mi2.42 mi21534+2038566+1118566+11120522(Top 77%)8003(Top 70%)8003(Top 164%)
30K18.64 mi3.11 mi21414+1208510+568510+5620996(Top 79%)8342(Top 73%)8342(Top 171%)
20M20.00 mi1.36 mi21344+708492+188492+1820623(Top 77%)8204(Top 72%)8204(Top 168%)
21M21.00 mi1.00 mi21342+28498-68498-621320(Top 80%)8634(Top 76%)8634(Top 177%)
35K21.75 mi0.75 mi21265+778466+328466+3219333(Top 73%)7574(Top 66%)7574(Top 155%)
23M23.00 mi1.25 mi21286-218491-258491-2521713(Top 82%)8915(Top 78%)8915(Top 183%)
24M24.00 mi1.00 mi21264+228488+38488+320946(Top 79%)8516(Top 75%)8516(Top 174%)
40K24.85 mi0.85 mi21266-28497-98497-921429(Top 80%)8858(Top 78%)8858(Top 181%)
25.2M25.20 mi0.35 mi21309-438522-258522-2523465(Top 88%)9905(Top 87%)9905(Top 203%)
Finish26.22 mi1.02 mi21937-6288870-3488870-34826530(Top 100%)11395(Top 100%)11395(Top 233%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

20783

Females

8115

F18-39

8115

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

21897

Females

8767

F18-39

8767

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

20783

Females

8115

F18-39

8115

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

21030

Females

8250

F18-39

8250

20K→Half

12.4 - 13.1 mi

Top 79%
×2story building
+19ft-37ft

Overall

21146

Females

8340

F18-39

8340

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

20522

Females

8003

F18-39

8003

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

20996

Females

8342

F18-39

8342

30K→20M

18.6 - 20.0 mi

Top 77%
×5story building
+64ft-50ft

Overall

20623

Females

8204

F18-39

8204

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

21320

Females

8634

F18-39

8634

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

19333

Females

7574

F18-39

7574

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

21713

Females

8915

F18-39

8915

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

20946

Females

8516

F18-39

8516

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21429

Females

8858

F18-39

8858

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23465

Females

9905

F18-39

9905

25.2M→Finish

25.2 - 26.2 mi

Top 100%
×2story building
+22ft-21ft

Overall

26530

Females

11395

F18-39

11395

Passing Analysis

Category:
Athletes Passed
2332
Passed By
1127
Net Change
+1205
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23142
5K → 10K62646+580#23142#22562
10K → 15K5617+554#22562#22008
15K → 20K28539+246#22008#21762
20K → Half3712+25#21762#21737
Half → 25K22219+203#21737#21534
25K → 30K17858+120#21534#21414
30K → 20M10838+70#21414#21344
20M → 21M6664+2#21344#21342
21M → 35K803+77#21342#21265
35K → 23M6182-21#21265#21286
23M → 24M5331+22#21286#21264
24M → 40K4547-2#21264#21266
40K → 25.2M1053-43#21266#21309
25.2M → Finish0628-628#21309#21937
TOTALS23321127+1205
📊

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