Boston Marathon logo
BOSTON MARATHON 2023

Yip Mui Ivy Wong

Bib: 18350 F HK

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 45%
Gender (Female)
#0 / 11423
Top 28%
Masters (Masters Women)
#0 / 6539
Top 14%
Division (F55-59)
#0 / 815
Top 5%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:49/mi
24:18
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:36/mi
47:55
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:43/mi
1:11:55
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:01/mi
1:36:50
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:59/mi
1:42:17
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:05/mi
2:01:52
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:23/mi
2:27:56
↑ 181↓ 1480.2%
138 ft elev
20M
8:17/mi
2:39:12
↑ 64↓ 500.2%
148 ft elev
21M
8:42/mi
2:47:54
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:04/mi
2:53:56
↑ 17↓ 861.7%
156 ft elev
23M
8:11/mi
3:04:11
↑ 23↓ 630.6%
116 ft elev
24M
8:01/mi
3:12:12
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:54/mi
3:18:57
↓ 200.3%
20 ft elev
25.2M
8:10/mi
3:21:46
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:27/mi
3:29:22
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:42:177:48 /mi⚡ faster
2nd Half
1:47:058:10 /mi+4.7%
Positive split — 4.7% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
24:187:493.11 mi24:18
7:49
-
10K
47:557:433.10 mi23:37
7:36
-0:13
15K
1:11:557:433.11 mi24:00
7:43
+0:07
20K
1:36:507:483.11 mi24:55
8:01
+0:18
Half(13.11 mi)
1:42:177:480.68 mi5:27
7:59
-0:02
25K
2:01:527:512.42 mi19:35
8:05
+0:06
30K
2:27:567:563.11 mi26:04
8:23
+0:18
20M
2:39:127:581.36 mi11:16
8:17
-0:06
21M
2:47:548:001.00 mi8:42
8:42
+0:25
35K
2:53:568:000.75 mi6:02
8:04
-0:38
23M
3:04:118:001.25 mi10:15
8:11
+0:07
24M
3:12:128:011.00 mi8:01
8:01
-0:10
40K
3:18:578:000.85 mi6:45
7:54
-0:07
25.2M
3:21:468:000.35 mi2:49
8:10
+0:16
Finish(26.22 mi)
3:29:227:591.02 mi7:36
7:27
-0:43
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:27 /mi

Average Pace

7:59 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:43:20

78% of race

Time at Steady Pace

46:02

22% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:59 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi12571320032001206629342934
10K6.21 mi3.10 mi11930+6412836+3642836+3641136625342534
15K9.32 mi3.11 mi11928+22849-132849-131206629342934
20K12.43 mi3.11 mi12332-4043108-2593108-2591360438743874
Half13.11 mi0.68 mi12433-1013168-603168-601427642204220
25K15.53 mi2.42 mi12554-1213257-893257-891334538293829
30K18.64 mi3.11 mi12786-2323421-1643421-1641363041054105
20M20.00 mi1.36 mi12705+813404+173404+171231334643464
21M21.00 mi1.00 mi12621+843370+343370+341169132423242
35K21.75 mi0.75 mi12609+123372-23372-21259137523752
23M23.00 mi1.25 mi12500+1093329+433329+431112330773077
24M24.00 mi1.00 mi12435+653313+163313+161138432793279
40K24.85 mi0.85 mi12312+1233263+503263+50936223442344
25.2M25.20 mi0.35 mi12237+753235+283235+28762516951695
Finish26.22 mi1.02 mi12066+1713164+713164+71828519601960

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

12066

Females

2934

F55-59

2934

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

11366

Females

2534

F55-59

2534

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

12066

Females

2934

F55-59

2934

15K→20K

9.3 - 12.4 mi

Top 51%
×5story building
+106ft-86ft

Overall

13604

Females

3874

F55-59

3874

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

14276

Females

4220

F55-59

4220

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

13345

Females

3829

F55-59

3829

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

13630

Females

4105

F55-59

4105

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

12313

Females

3464

F55-59

3464

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

11691

Females

3242

F55-59

3242

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12591

Females

3752

F55-59

3752

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11123

Females

3077

F55-59

3077

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

11384

Females

3279

F55-59

3279

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9362

Females

2344

F55-59

2344

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7625

Females

1695

F55-59

1695

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2story building
+22ft-21ft

Overall

8285

Females

1960

F55-59

1960

Passing Analysis

Category:
Athletes Passed
2184
Passed By
1679
Net Change
+505
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12571
5K → 10K745104+641#12571#11930
10K → 15K194192+2#11930#11928
15K → 20K67471-404#11928#12332
20K → Half8109-101#12332#12433
Half → 25K86207-121#12433#12554
25K → 30K115347-232#12554#12786
30K → 20M14564+81#12786#12705
20M → 21M13450+84#12705#12621
21M → 35K5341+12#12621#12609
35K → 23M14334+109#12609#12500
23M → 24M9530+65#12500#12435
24M → 40K13714+123#12435#12312
40K → 25.2M794+75#12312#12237
25.2M → Finish18312+171#12237#12066
TOTALS21841679+505

Passing Charts

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing