Boston Marathon logo
BOSTON MARATHON 2023

Baorui Jia

Bib: 17254•F

OR

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 45%
Masters (Masters Women)
#0 / 6539
Top 34%
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:24
Rank: #12894
Start → 5K
7:51/mi
24:24 split
10K· 6.21 mi
48:30
Rank: #12763 (+131)
5K → 10K
7:45/mi
24:06 split
15K· 9.32 mi
1:13:34
Rank: #13524 (-761)
10K → 15K
8:04/mi
25:04 split
20K· 12.43 mi
1:39:14
Rank: #13991 (-467)
15K → 20K
8:16/mi
25:40 split
Half· 13.11 mi
1:44:57
Rank: #14161 (-170)
20K → Half
8:23/mi
5:43 split
25K· 15.53 mi
2:05:56
Rank: #14693 (-532)
Half → 25K
8:39/mi
20:59 split
30K· 18.64 mi
2:34:24
Rank: #15359 (-666)
25K → 30K
9:10/mi
28:28 split
20M
2:47:13
Rank: #15620 (-261)
30K → 20M
9:26/mi
12:49 split
21M
2:57:10
Rank: #15773 (-153)
20M → 21M
9:57/mi
9:57 split
35K· 21.75 mi
3:03:39
Rank: #15774 (-1)
21M → 35K
8:40/mi
6:29 split
23M
3:15:01
Rank: #15793 (-19)
35K → 23M
9:05/mi
11:22 split
24M
3:23:32
Rank: #15745 (+48)
23M → 24M
8:31/mi
8:31 split
40K· 24.85 mi
3:30:47
Rank: #15649 (+96)
24M → 40K
8:29/mi
7:15 split
25.2M
3:33:51
Rank: #15598 (+51)
40K → 25.2M
8:54/mi
3:04 split
Finish· 26.22 mi
3:42:05
Rank: #15469 (+129)
25.2M → Finish
8:05/mi
8:14 split

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
Time1:44:57
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:57:08
Pace8:56 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:0224:247:5124:24
7:51
-
10K
6.21 mi12:04:0848:307:4824:06
7:45
-0:06
15K
9.32 mi12:29:121:13:347:5425:04
8:04
+0:19
20K
12.43 mi12:54:521:39:147:5925:40
8:16
+0:12
Half
13.11 mi13:00:351:44:578:005:43
8:23
+0:07
25K
15.53 mi13:21:342:05:568:0620:59
8:39
+0:16
30K
18.64 mi13:50:022:34:248:1728:28
9:10
+0:31
20M
20.00 mi14:02:512:47:138:2212:49
9:26
+0:16
21M
21.00 mi14:12:482:57:108:269:57
9:57
+0:31
35K
21.75 mi14:19:173:03:398:276:29
8:40
-1:17
23M
23.00 mi14:30:393:15:018:2911:22
9:05
+0:25
24M
24.00 mi14:39:103:23:328:298:31
8:31
-0:34
40K
24.85 mi14:46:253:30:478:297:15
8:29
-0:02
25.2M
25.20 mi14:49:293:33:518:293:04
8:54
+0:25
Finish
26.22 mi14:57:433:42:058:298:14
8:05
-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

7:45 /mi

Average Pace

8:29 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:21:48

37% of race

Time at Steady Pace

1:14:37

34% of race

Time at Slower Pace

1:05:40

30% of race

Average Pace: 8:28 /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 mi11:40:0224:247:5124:24
7:51
#12894
10K
6.21 mi12:04:0848:307:4824:06
7:45
#12763
15K
9.32 mi12:29:121:13:347:5425:04
8:04
#13524
20K
12.43 mi12:54:521:39:147:5925:40
8:16
#13991
Half
13.11 mi13:00:351:44:578:005:43
8:23
#14161
25K
15.53 mi13:21:342:05:568:0620:59
8:39
#14693
30K
18.64 mi13:50:022:34:248:1728:28
9:10
#15359
20M
20.00 mi14:02:512:47:138:2212:49
9:26
#15620
21M
21.00 mi14:12:482:57:108:269:57
9:57
#15773
35K
21.75 mi14:19:173:03:398:276:29
8:40
#15774
23M
23.00 mi14:30:393:15:018:2911:22
9:05
#15793
24M
24.00 mi14:39:103:23:328:298:31
8:31
#15745
40K
24.85 mi14:46:253:30:478:297:15
8:29
#15649
25.2M
25.20 mi14:49:293:33:518:293:04
8:54
#15598
Finish
26.22 mi14:57:433:42:058:298:14
8:05
#15469
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi128943385338514962(Top 56%)4658(Top 41%)4658(Top 248%)
10K6.21 mi3.10 mi12763+1313295+903295+9012762(Top 48%)3295(Top 29%)3295(Top 175%)
15K9.32 mi3.11 mi13524-7613768-4733768-47314962(Top 56%)4658(Top 41%)4658(Top 248%)
20K12.43 mi3.11 mi13991-4674083-3154083-31515370(Top 58%)4948(Top 43%)4948(Top 263%)
Half13.11 mi0.68 mi14161-1704180-974180-9717016(Top 64%)5895(Top 52%)5895(Top 314%)
25K15.53 mi2.42 mi14693-5324523-3434523-34317133(Top 64%)6076(Top 53%)6076(Top 324%)
30K18.64 mi3.11 mi15359-6664984-4614984-46117992(Top 68%)6643(Top 58%)6643(Top 354%)
20M20.00 mi1.36 mi15620-2615164-1805164-18018592(Top 70%)7071(Top 62%)7071(Top 377%)
21M21.00 mi1.00 mi15773-1535285-1215285-12117863(Top 67%)6671(Top 58%)6671(Top 355%)
35K21.75 mi0.75 mi15774-15300-155300-1516246(Top 61%)5831(Top 51%)5831(Top 310%)
23M23.00 mi1.25 mi15793-195336-365336-3616448(Top 62%)5992(Top 52%)5992(Top 319%)
24M24.00 mi1.00 mi15745+485330+65330+614593(Top 55%)5015(Top 44%)5015(Top 267%)
40K24.85 mi0.85 mi15649+965273+575273+5713249(Top 50%)4347(Top 38%)4347(Top 231%)
25.2M25.20 mi0.35 mi15598+515252+215252+2112030(Top 45%)3768(Top 33%)3768(Top 201%)
Finish26.22 mi1.02 mi15469+1295188+645188+6412686(Top 48%)4062(Top 36%)4062(Top 216%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

14962

Females

4658

F40-44

4658

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

12762

Females

3295

F40-44

3295

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

14962

Females

4658

F40-44

4658

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

15370

Females

4948

F40-44

4948

20K→Half

12.4 - 13.1 mi

Top 64%
×2stories
+19ft-37ft

Overall

17016

Females

5895

F40-44

5895

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

17133

Females

6076

F40-44

6076

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

17992

Females

6643

F40-44

6643

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

18592

Females

7071

F40-44

7071

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

17863

Females

6671

F40-44

6671

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

16246

Females

5831

F40-44

5831

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

16448

Females

5992

F40-44

5992

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

14593

Females

5015

F40-44

5015

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

13249

Females

4347

F40-44

4347

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12030

Females

3768

F40-44

3768

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

12686

Females

4062

F40-44

4062

Passing Analysis

Category:
Athletes Passed
1193
Passed By
3768
Net Change
-2575
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12894
5K → 10K380249+131#12894#12763
10K → 15K46807-761#12763#13524
15K → 20K77544-467#13524#13991
20K → Half3173-170#13991#14161
Half → 25K41573-532#14161#14693
25K → 30K46712-666#14693#15359
30K → 20M27288-261#15359#15620
20M → 21M47200-153#15620#15773
21M → 35K5051-1#15773#15774
35K → 23M6887-19#15774#15793
23M → 24M9143+48#15793#15745
24M → 40K11519+96#15745#15649
40K → 25.2M554+51#15649#15598
25.2M → Finish14718+129#15598#15469
TOTALS11933768-2575
📊

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