Boston Marathon logo
BOSTON MARATHON 2023

Fu Nu Xin

Bib: 22813•F

ON

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
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
9:37/mi
29:54
↑ 97↓ 3451.5%
10K· 6.21 mi
9:42/mi
1:00:01
↑ 79↓ 1380.4%
15K· 9.32 mi
9:49/mi
1:30:31
↑ 67↓ 78
20K· 12.43 mi
9:51/mi
2:01:07
↑ 106↓ 860.1%
Half· 13.11 mi
9:35/mi
2:07:39
↑ 19↓ 370.5%
25K· 15.53 mi
10:04/mi
2:32:03
↑ 66↓ 880.2%
30K· 18.64 mi
10:14/mi
3:03:50
↑ 181↓ 1480.2%
20M
10:03/mi
3:17:29
↑ 64↓ 500.2%
21M
10:39/mi
3:28:08
↑ 106↓ 241.6%
35K· 21.75 mi
9:55/mi
3:35:33
↑ 17↓ 861.7%
23M
10:13/mi
3:48:20
↑ 23↓ 630.6%
24M
9:45/mi
3:58:05
↓ 821.3%
40K· 24.85 mi
9:58/mi
4:06:36
↓ 200.3%
25.2M
10:38/mi
4:10:16
↑ 13↓ 160.2%
Finish· 26.22 mi
9:27/mi
4:19:54
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:39
Pace9:44 /mi
2nd Half
Distance13.11 mi
Time2:12:15
Pace10:05 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:2729:549:3729:54
9:37
-
10K
6.21 mi11:54:341:00:019:4030:07
9:42
+0:05
15K
9.32 mi12:25:041:30:319:4330:30
9:49
+0:07
20K
12.43 mi12:55:402:01:079:4530:36
9:51
+0:02
Half
13.11 mi13:02:122:07:399:446:32
9:35
-0:16
25K
15.53 mi13:26:362:32:039:4724:24
10:04
+0:29
30K
18.64 mi13:58:233:03:509:5231:47
10:14
+0:10
20M
20.00 mi14:12:023:17:299:5213:39
10:03
-0:11
21M
21.00 mi14:22:413:28:089:5510:39
10:39
+0:36
35K
21.75 mi14:30:063:35:339:557:25
9:55
-0:44
23M
23.00 mi14:42:533:48:209:5612:47
10:13
+0:18
24M
24.00 mi14:52:383:58:059:559:45
9:45
-0:28
40K
24.85 mi15:01:094:06:369:558:31
9:58
+0:13
25.2M
25.20 mi15:04:494:10:169:563:40
10:38
+0:40
Finish
26.22 mi15:14:274:19:549:559:38
9:27
-1:11

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

9:27 /mi

Average Pace

9:55 /mi

Slowest Pace

10:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:05:35

94% of race

Time at Steady Pace

14:19

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:55 /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 mi11:24:2729:549:3729:54
9:37
#22447
10K
6.21 mi11:54:341:00:019:4030:07
9:42
#22775
15K
9.32 mi12:25:041:30:319:4330:30
9:49
#22917
20K
12.43 mi12:55:402:01:079:4530:36
9:51
#22788
Half
13.11 mi13:02:122:07:399:446:32
9:35
#22763
25K
15.53 mi13:26:362:32:039:4724:24
10:04
#22683
30K
18.64 mi13:58:233:03:509:5231:47
10:14
#22470
20M
20.00 mi14:12:023:17:299:5213:39
10:03
#22341
21M
21.00 mi14:22:413:28:089:5510:39
10:39
#22195
35K
21.75 mi14:30:063:35:339:557:25
9:55
#22151
23M
23.00 mi14:42:533:48:209:5612:47
10:13
#22077
24M
24.00 mi14:52:383:58:059:559:45
9:45
#21990
40K
24.85 mi15:01:094:06:369:558:31
9:58
#21918
25.2M
25.20 mi15:04:494:10:169:563:40
10:38
#21881
Finish
26.22 mi15:14:274:19:549:559:38
9:27
#21832
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi224479107910723089(Top 87%)9390(Top 82%)9390(Top 778%)
10K6.21 mi3.10 mi22775-3289241-1349241-13423040(Top 87%)9352(Top 82%)9352(Top 775%)
15K9.32 mi3.11 mi22917-1429307-669307-6623089(Top 87%)9390(Top 82%)9390(Top 778%)
20K12.43 mi3.11 mi22788+1299233+749233+7422523(Top 85%)9093(Top 80%)9093(Top 753%)
Half13.11 mi0.68 mi22763+259223+109223+1022333(Top 84%)8968(Top 79%)8968(Top 743%)
25K15.53 mi2.42 mi22683+809196+279196+2722357(Top 84%)9034(Top 79%)9034(Top 748%)
30K18.64 mi3.11 mi22470+2139105+919105+9121610(Top 81%)8688(Top 76%)8688(Top 720%)
20M20.00 mi1.36 mi22341+1299034+719034+7120621(Top 77%)8202(Top 72%)8202(Top 680%)
21M21.00 mi1.00 mi22195+1468962+728962+7220029(Top 75%)7952(Top 70%)7952(Top 659%)
35K21.75 mi0.75 mi22151+448951+118951+1121069(Top 79%)8531(Top 75%)8531(Top 707%)
23M23.00 mi1.25 mi22077+748915+368915+3620623(Top 77%)8308(Top 73%)8308(Top 688%)
24M24.00 mi1.00 mi21990+878873+428873+4220085(Top 75%)8025(Top 70%)8025(Top 665%)
40K24.85 mi0.85 mi21918+728847+268847+2619883(Top 75%)8000(Top 70%)8000(Top 663%)
25.2M25.20 mi0.35 mi21881+378834+138834+1319571(Top 74%)7836(Top 69%)7836(Top 649%)
Finish26.22 mi1.02 mi21832+498815+198815+1919980(Top 75%)7993(Top 70%)7993(Top 662%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

23089

Females

9390

F50-54

9390

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

23040

Females

9352

F50-54

9352

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

23089

Females

9390

F50-54

9390

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

22523

Females

9093

F50-54

9093

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

22333

Females

8968

F50-54

8968

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

22357

Females

9034

F50-54

9034

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

21610

Females

8688

F50-54

8688

30K→20M

18.6 - 20.0 mi

Top 77%
×5story building
+64ft-50ft

Overall

20621

Females

8202

F50-54

8202

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

20029

Females

7952

F50-54

7952

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

21069

Females

8531

F50-54

8531

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

20623

Females

8308

F50-54

8308

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

20085

Females

8025

F50-54

8025

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

19883

Females

8000

F50-54

8000

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19571

Females

7836

F50-54

7836

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

19980

Females

7993

F50-54

7993

Passing Analysis

Category:
Athletes Passed
1526
Passed By
911
Net Change
+615
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22447
5K → 10K113441-328#22447#22775
10K → 15K104246-142#22775#22917
15K → 20K19869+129#22917#22788
20K → Half3813+25#22788#22763
Half → 25K13050+80#22763#22683
25K → 30K23825+213#22683#22470
30K → 20M1389+129#22470#22341
20M → 21M1526+146#22341#22195
21M → 35K539+44#22195#22151
35K → 23M8713+74#22151#22077
23M → 24M936+87#22077#21990
24M → 40K775+72#21990#21918
40K → 25.2M414+37#21918#21881
25.2M → Finish6415+49#21881#21832
TOTALS1526911+615
📊

Passing Visuals

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