Boston Marathon logo
BOSTON MARATHON 2023

Jinping Tian

Bib: 21967•F

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 45%
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:33
Rank: #19835
Start → 5K
27:33 | 8:52/mi
10K· 6.21 mi
54:07
Rank: #19156 (+679)
5K → 10K
26:34 | 8:33/mi
15K· 9.32 mi
1:20:33
Rank: #18708 (+448)
10K → 15K
26:26 | 8:30/mi
20K· 12.43 mi
1:47:03
Rank: #18292 (+416)
15K → 20K
26:30 | 8:32/mi
Half· 13.11 mi
1:52:53
Rank: #18280 (+12)
20K → Half
5:50 | 8:33/mi
25K· 15.53 mi
2:13:47
Rank: #18030 (+250)
Half → 25K
20:54 | 8:37/mi
30K· 18.64 mi
2:41:59
Rank: #17916 (+114)
25K → 30K
28:12 | 9:05/mi
20M
2:54:19
Rank: #17817 (+99)
30K → 20M
12:20 | 9:05/mi
21M
3:04:15
Rank: #17812 (+5)
20M → 21M
9:56 | 9:56/mi
35K· 21.75 mi
3:10:46
Rank: #17760 (+52)
21M → 35K
6:31 | 8:43/mi
23M
3:21:59
Rank: #17654 (+106)
35K → 23M
11:13 | 8:58/mi
24M
3:30:16
Rank: #17457 (+197)
23M → 24M
8:17 | 8:17/mi
40K· 24.85 mi
3:37:17
Rank: #17241 (+216)
24M → 40K
7:01 | 8:12/mi
25.2M
3:40:40
Rank: #17243 (-2)
40K → 25.2M
3:23 | 9:49/mi
Finish· 26.22 mi
3:49:12
Rank: #17160 (+83)
25.2M → Finish
8:32 | 8:22/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
Time1:52:53
Pace8:37 /mi
2nd Half
Distance13.11 mi
Time1:56:19
Pace8:52 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:1527:338:5227:33
8:52
-
10K
6.21 mi12:09:4954:078:4326:34
8:33
-0:19
15K
9.32 mi12:36:151:20:338:3926:26
8:30
-0:03
20K
12.43 mi13:02:451:47:038:3726:30
8:32
+0:02
Half
13.11 mi13:08:351:52:538:375:50
8:33
+0:01
25K
15.53 mi13:29:292:13:478:3720:54
8:37
+0:04
30K
18.64 mi13:57:412:41:598:4128:12
9:05
+0:28
20M
20.00 mi14:10:012:54:198:4312:20
9:05
0:00
21M
21.00 mi14:19:573:04:158:469:56
9:56
+0:51
35K
21.75 mi14:26:283:10:468:466:31
8:43
-1:13
23M
23.00 mi14:37:413:21:598:4711:13
8:58
+0:15
24M
24.00 mi14:45:583:30:168:468:17
8:17
-0:41
40K
24.85 mi14:52:593:37:178:457:01
8:12
-0:05
25.2M
25.20 mi14:56:223:40:408:453:23
9:49
+1:37
Finish
26.22 mi15:04:543:49:128:458:32
8:22
-1:27

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

8:12 /mi

Average Pace

8:45 /mi

Slowest Pace

9:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

23:50

10% of race

Time at Steady Pace

1:52:45

49% of race

Time at Slower Pace

1:32:37

40% of race

Average Pace: 8:44 /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 mi11:43:1527:338:5227:33
8:52
#19835
10K
6.21 mi12:09:4954:078:4326:34
8:33
#19156
15K
9.32 mi12:36:151:20:338:3926:26
8:30
#18708
20K
12.43 mi13:02:451:47:038:3726:30
8:32
#18292
Half
13.11 mi13:08:351:52:538:375:50
8:33
#18280
25K
15.53 mi13:29:292:13:478:3720:54
8:37
#18030
30K
18.64 mi13:57:412:41:598:4128:12
9:05
#17916
20M
20.00 mi14:10:012:54:198:4312:20
9:05
#17817
21M
21.00 mi14:19:573:04:158:469:56
9:56
#17812
35K
21.75 mi14:26:283:10:468:466:31
8:43
#17760
23M
23.00 mi14:37:413:21:598:4711:13
8:58
#17654
24M
24.00 mi14:45:583:30:168:468:17
8:17
#17457
40K
24.85 mi14:52:593:37:178:457:01
8:12
#17241
25.2M
25.20 mi14:56:223:40:408:453:23
9:49
#17243
Finish
26.22 mi15:04:543:49:128:458:32
8:22
#17160
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi198357708770817875(Top 67%)6425(Top 56%)6425(Top 354%)
10K6.21 mi3.10 mi19156+6797249+4597249+45918572(Top 70%)6812(Top 60%)6812(Top 375%)
15K9.32 mi3.11 mi18708+4486947+3026947+30217875(Top 67%)6425(Top 56%)6425(Top 354%)
20K12.43 mi3.11 mi18292+4166686+2616686+26117056(Top 64%)5959(Top 52%)5959(Top 328%)
Half13.11 mi0.68 mi18280+126680+66680+618022(Top 68%)6486(Top 57%)6486(Top 357%)
25K15.53 mi2.42 mi18030+2506552+1286552+12816934(Top 64%)5974(Top 52%)5974(Top 329%)
30K18.64 mi3.11 mi17916+1146514+386514+3817580(Top 66%)6401(Top 56%)6401(Top 352%)
20M20.00 mi1.36 mi17817+996470+446470+4416943(Top 64%)6123(Top 54%)6123(Top 337%)
21M21.00 mi1.00 mi17812+56477-76477-717795(Top 67%)6634(Top 58%)6634(Top 365%)
35K21.75 mi0.75 mi17760+526462+156462+1516500(Top 62%)5999(Top 53%)5999(Top 330%)
23M23.00 mi1.25 mi17654+1066414+486414+4815864(Top 60%)5664(Top 50%)5664(Top 312%)
24M24.00 mi1.00 mi17457+1976299+1156299+11513207(Top 50%)4245(Top 37%)4245(Top 234%)
40K24.85 mi0.85 mi17241+2166194+1056194+10511467(Top 43%)3415(Top 30%)3415(Top 188%)
25.2M25.20 mi0.35 mi17243-26203-96203-916639(Top 63%)6228(Top 55%)6228(Top 343%)
Finish26.22 mi1.02 mi17160+836160+436160+4314602(Top 55%)5053(Top 44%)5053(Top 278%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

17875

Females

6425

F45-49

6425

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

18572

Females

6812

F45-49

6812

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

17875

Females

6425

F45-49

6425

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

17056

Females

5959

F45-49

5959

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

18022

Females

6486

F45-49

6486

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

16934

Females

5974

F45-49

5974

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

17580

Females

6401

F45-49

6401

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

16943

Females

6123

F45-49

6123

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

17795

Females

6634

F45-49

6634

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

16500

Females

5999

F45-49

5999

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

15864

Females

5664

F45-49

5664

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

13207

Females

4245

F45-49

4245

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11467

Females

3415

F45-49

3415

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16639

Females

6228

F45-49

6228

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

14602

Females

5053

F45-49

5053

Passing Analysis

Category:
Athletes Passed
3276
Passed By
601
Net Change
+2675
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19835
5K → 10K796117+679#19835#19156
10K → 15K49648+448#19156#18708
15K → 20K44125+416#18708#18292
20K → Half3018+12#18292#18280
Half → 25K27727+250#18280#18030
25K → 30K242128+114#18030#17916
30K → 20M14243+99#17916#17817
20M → 21M8984+5#17817#17812
21M → 35K7725+52#17812#17760
35K → 23M13832+106#17760#17654
23M → 24M2003+197#17654#17457
24M → 40K2204+216#17457#17241
40K → 25.2M2022-2#17241#17243
25.2M → Finish10825+83#17243#17160
TOTALS3276601+2675
📊

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