Boston Marathon logo
BOSTON MARATHON 2023

Jane Xiang

Bib: 16038•F

NY

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 37%
Gender (Female)
#0 / 11423
Top 18%
Masters (Masters Women)
#0 / 6539
Top 7%
Division (F55-59)
#0 / 815
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:27
Rank: #10074
Start → 5K
23:27 | 7:33/mi
10K· 6.21 mi
46:10
Rank: #9419 (+655)
5K → 10K
22:43 | 7:19/mi
15K· 9.32 mi
1:09:02
Rank: #9238 (+181)
10K → 15K
22:52 | 7:22/mi
20K· 12.43 mi
1:32:36
Rank: #9429 (-191)
15K → 20K
23:34 | 7:35/mi
Half· 13.11 mi
1:37:35
Rank: #9378 (+51)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:56:16
Rank: #9516 (-138)
Half → 25K
18:41 | 7:42/mi
30K· 18.64 mi
2:21:02
Rank: #9709 (-193)
25K → 30K
24:46 | 7:58/mi
20M
2:32:00
Rank: #9738 (-29)
30K → 20M
10:58 | 8:04/mi
21M
2:40:49
Rank: #9878 (-140)
20M → 21M
8:49 | 8:49/mi
35K· 21.75 mi
2:46:30
Rank: #9845 (+33)
21M → 35K
5:41 | 7:36/mi
23M
2:56:45
Rank: #9887 (-42)
35K → 23M
10:15 | 8:11/mi
24M
3:04:40
Rank: #9888 (-1)
23M → 24M
7:55 | 7:55/mi
40K· 24.85 mi
3:11:29
Rank: #9873 (+15)
24M → 40K
6:49 | 7:58/mi
25.2M
3:14:28
Rank: #9864 (+9)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:22:27
Rank: #9866 (-2)
25.2M → Finish
7:59 | 7:50/mi

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
Time1:37:35
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:44:52
Pace8:00 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:4323:277:3323:27
7:33
-
10K
6.21 mi11:36:2646:107:2622:43
7:19
-0:14
15K
9.32 mi11:59:181:09:027:2422:52
7:22
+0:03
20K
12.43 mi12:22:521:32:367:2723:34
7:35
+0:13
Half
13.11 mi12:27:511:37:357:274:59
7:18
-0:17
25K
15.53 mi12:46:321:56:167:2918:41
7:42
+0:24
30K
18.64 mi13:11:182:21:027:3424:46
7:58
+0:16
20M
20.00 mi13:22:162:32:007:3610:58
8:04
+0:06
21M
21.00 mi13:31:052:40:497:398:49
8:49
+0:45
35K
21.75 mi13:36:462:46:307:395:41
7:36
-1:13
23M
23.00 mi13:47:012:56:457:4110:15
8:11
+0:35
24M
24.00 mi13:54:563:04:407:427:55
7:55
-0:16
40K
24.85 mi14:01:453:11:297:426:49
7:58
+0:03
25.2M
25.20 mi14:04:443:14:287:432:59
8:39
+0:41
Finish
26.22 mi14:12:433:22:277:447:59
7:50
-0:49

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

7:18 /mi

Average Pace

7:44 /mi

Slowest Pace

8:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:16

51% of race

Time at Steady Pace

1:06:10

33% of race

Time at Slower Pace

33:01

16% of race

Average Pace: 7:43 /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 mi11:13:4323:277:3323:27
7:33
#10074
10K
6.21 mi11:36:2646:107:2622:43
7:19
#9419
15K
9.32 mi11:59:181:09:027:2422:52
7:22
#9238
20K
12.43 mi12:22:521:32:367:2723:34
7:35
#9429
Half
13.11 mi12:27:511:37:357:274:59
7:18
#9378
25K
15.53 mi12:46:321:56:167:2918:41
7:42
#9516
30K
18.64 mi13:11:182:21:027:3424:46
7:58
#9709
20M
20.00 mi13:22:162:32:007:3610:58
8:04
#9738
21M
21.00 mi13:31:052:40:497:398:49
8:49
#9878
35K
21.75 mi13:36:462:46:307:395:41
7:36
#9845
23M
23.00 mi13:47:012:56:457:4110:15
8:11
#9887
24M
24.00 mi13:54:563:04:407:427:55
7:55
#9888
40K
24.85 mi14:01:453:11:297:426:49
7:58
#9873
25.2M
25.20 mi14:04:443:14:287:432:59
8:39
#9864
Finish
26.22 mi14:12:433:22:277:447:59
7:50
#9866
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi10074189918999034(Top 34%)1466(Top 13%)1466(Top 180%)
10K6.21 mi3.10 mi9419+6551582+3171582+3178945(Top 34%)1392(Top 12%)1392(Top 171%)
15K9.32 mi3.11 mi9238+1811518+641518+649034(Top 34%)1466(Top 13%)1466(Top 180%)
20K12.43 mi3.11 mi9429-1911604-861604-869991(Top 38%)1909(Top 17%)1909(Top 234%)
Half13.11 mi0.68 mi9378+511587+171587+178726(Top 33%)1386(Top 12%)1386(Top 170%)
25K15.53 mi2.42 mi9516-1381654-671654-6710342(Top 39%)2149(Top 19%)2149(Top 264%)
30K18.64 mi3.11 mi9709-1931766-1121766-11210658(Top 40%)2468(Top 22%)2468(Top 303%)
20M20.00 mi1.36 mi9738-291803-371803-3710807(Top 41%)2635(Top 23%)2635(Top 323%)
21M21.00 mi1.00 mi9878-1401891-881891-8812359(Top 46%)3595(Top 31%)3595(Top 441%)
35K21.75 mi0.75 mi9845+331894-31894-39296(Top 35%)2049(Top 18%)2049(Top 251%)
23M23.00 mi1.25 mi9887-421946-521946-5211108(Top 42%)3062(Top 27%)3062(Top 376%)
24M24.00 mi1.00 mi9888-11979-331979-3310659(Top 40%)2903(Top 25%)2903(Top 356%)
40K24.85 mi0.85 mi9873+152004-252004-259892(Top 37%)2590(Top 23%)2590(Top 318%)
25.2M25.20 mi0.35 mi9864+92010-62010-610487(Top 39%)2913(Top 26%)2913(Top 357%)
Finish26.22 mi1.02 mi9866-22033-232033-2310949(Top 41%)3157(Top 28%)3157(Top 387%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9034

Females

1466

F55-59

1466

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

8945

Females

1392

F55-59

1392

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9034

Females

1466

F55-59

1466

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

9991

Females

1909

F55-59

1909

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

8726

Females

1386

F55-59

1386

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10342

Females

2149

F55-59

2149

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

10658

Females

2468

F55-59

2468

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

10807

Females

2635

F55-59

2635

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

12359

Females

3595

F55-59

3595

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9296

Females

2049

F55-59

2049

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

11108

Females

3062

F55-59

3062

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

10659

Females

2903

F55-59

2903

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9892

Females

2590

F55-59

2590

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10487

Females

2913

F55-59

2913

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

10949

Females

3157

F55-59

3157

Passing Analysis

Category:
Athletes Passed
1827*
Passed By
1617
Net Change
+208
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10074
5K → 10K735*80+655#10074#9419
10K → 15K25271+181#9419#9238
15K → 20K85276-191#9238#9429
20K → Half565+51#9429#9378
Half → 25K78216-138#9378#9516
25K → 30K111*304-193#9516#9709
30K → 20M85114-29#9709#9738
20M → 21M46185-140#9738#9878
21M → 35K5825+33#9878#9845
35K → 23M69111-42#9845#9887
23M → 24M7373-1#9887#9888
24M → 40K7156+15#9888#9873
40K → 25.2M3223+9#9873#9864
25.2M → Finish76*78-2#9864#9866
TOTALS1827*1617+208

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing