Boston Marathon logo
BOSTON MARATHON 2025

Rongkui Zhu

Bib: 15492•F

VA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 35%
Gender (Female)
#0 / 12228
Top 18%
Masters (Masters Women)
#0 / 6759
Top 7%
Division (F55-59)
#0 / 994
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ 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
7:18/mi
22:42
↑ 97↓ 3451.5%
10K· 6.21 mi
7:19/mi
45:26
↑ 79↓ 1380.4%
15K· 9.32 mi
7:22/mi
1:08:20
↑ 67↓ 78
20K· 12.43 mi
7:34/mi
1:31:52
↑ 106↓ 860.1%
Half· 13.11 mi
7:31/mi
1:37:00
↑ 19↓ 370.5%
25K· 15.53 mi
7:36/mi
1:55:26
↑ 66↓ 880.2%
30K· 18.64 mi
7:52/mi
2:19:53
↑ 181↓ 1480.2%
20M
7:58/mi
2:30:42
↑ 64↓ 500.2%
21M
8:28/mi
2:39:10
↑ 106↓ 241.6%
35K· 21.75 mi
7:29/mi
2:44:46
↑ 17↓ 861.7%
23M
7:46/mi
2:54:30
↑ 23↓ 630.6%
24M
7:40/mi
3:02:10
↓ 821.3%
40K· 24.85 mi
7:45/mi
3:08:48
↓ 200.3%
25.2M
8:30/mi
3:11:44
↑ 13↓ 160.2%
Finish· 26.22 mi
7:22/mi
3:19:14
↑ 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
Time1:37:00
Pace7:24 /mi
2nd Half
Distance13.11 mi
Time1:42:14
Pace7:48 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:3022:427:1822:42
7:18
-
10K
6.21 mi11:17:1445:267:1922:44
7:19
+0:01
15K
9.32 mi11:40:081:08:207:2022:54
7:22
+0:03
20K
12.43 mi12:03:401:31:527:2423:32
7:34
+0:12
Half
13.11 mi12:08:481:37:007:245:08
7:31
-0:03
25K
15.53 mi12:27:141:55:267:2618:26
7:36
+0:05
30K
18.64 mi12:51:412:19:537:3024:27
7:52
+0:16
20M
20.00 mi13:02:302:30:427:3210:49
7:58
+0:06
21M
21.00 mi13:10:582:39:107:358:28
8:28
+0:30
35K
21.75 mi13:16:342:44:467:355:36
7:29
-0:59
23M
23.00 mi13:26:182:54:307:359:44
7:46
+0:17
24M
24.00 mi13:33:583:02:107:357:40
7:40
-0:06
40K
24.85 mi13:40:363:08:487:366:38
7:45
+0:05
25.2M
25.20 mi13:43:323:11:447:372:56
8:30
+0:45
Finish
26.22 mi13:51:023:19:147:367:30
7:22
-1:08

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

7:36 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:50

94% of race

Time at Steady Pace

11:24

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:36 /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 mi10:54:3022:427:1822:42
7:18
#10438
10K
6.21 mi11:17:1445:267:1922:44
7:19
#10443
15K
9.32 mi11:40:081:08:207:2022:54
7:22
#10505
20K
12.43 mi12:03:401:31:527:2423:32
7:34
#10691
Half
13.11 mi12:08:481:37:007:245:08
7:31
#10759
25K
15.53 mi12:27:141:55:267:2618:26
7:36
#10695
30K
18.64 mi12:51:412:19:537:3024:27
7:52
#10625
20M
20.00 mi13:02:302:30:427:3210:49
7:58
#10561
21M
21.00 mi13:10:582:39:107:358:28
8:28
#10521
35K
21.75 mi13:16:342:44:467:355:36
7:29
#10422
23M
23.00 mi13:26:182:54:307:359:44
7:46
#10248
24M
24.00 mi13:33:583:02:107:357:40
7:40
#10144
40K
24.85 mi13:40:363:08:487:366:38
7:45
#10037
25.2M
25.20 mi13:43:323:11:447:372:56
8:30
#10006
Finish
26.22 mi13:51:023:19:147:367:30
7:22
#9904
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi104382009200910615(Top 37%)2180(Top 18%)2180(Top 219%)
10K6.21 mi3.10 mi10443-52026-172026-1710503(Top 37%)2063(Top 17%)2063(Top 208%)
15K9.32 mi3.11 mi10505-622079-532079-5310615(Top 37%)2180(Top 18%)2180(Top 219%)
20K12.43 mi3.11 mi10691-1862189-1102189-11011389(Top 40%)2674(Top 22%)2674(Top 269%)
Half13.11 mi0.68 mi10759-682224-352224-3511920(Top 42%)2870(Top 23%)2870(Top 289%)
25K15.53 mi2.42 mi10695+642228-42228-410791(Top 38%)2478(Top 20%)2478(Top 249%)
30K18.64 mi3.11 mi10625+702270-422270-4210423(Top 37%)2501(Top 20%)2501(Top 252%)
20M20.00 mi1.36 mi10561+642284-142284-1410185(Top 36%)2522(Top 21%)2522(Top 254%)
21M21.00 mi1.00 mi10521+402306-222306-2210257(Top 36%)2732(Top 22%)2732(Top 275%)
35K21.75 mi0.75 mi10422+992273+332273+338571(Top 30%)1937(Top 16%)1937(Top 195%)
23M23.00 mi1.25 mi10248+1742240+332240+338430(Top 30%)2008(Top 16%)2008(Top 202%)
24M24.00 mi1.00 mi10144+1042213+272213+278924(Top 31%)2287(Top 19%)2287(Top 230%)
40K24.85 mi0.85 mi10037+1072189+242189+248513(Top 30%)2228(Top 18%)2228(Top 224%)
25.2M25.20 mi0.35 mi10006+312190-12190-18877(Top 31%)2461(Top 20%)2461(Top 248%)
Finish26.22 mi1.02 mi9904+1022172+182172+188228(Top 29%)2164(Top 18%)2164(Top 218%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

10615

Females

2180

F55-59

2180

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

10503

Females

2063

F55-59

2063

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

10615

Females

2180

F55-59

2180

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

11389

Females

2674

F55-59

2674

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

11920

Females

2870

F55-59

2870

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

10791

Females

2478

F55-59

2478

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

10423

Females

2501

F55-59

2501

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

10185

Females

2522

F55-59

2522

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

10257

Females

2732

F55-59

2732

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

8571

Females

1937

F55-59

1937

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

8430

Females

2008

F55-59

2008

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8924

Females

2287

F55-59

2287

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8513

Females

2228

F55-59

2228

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8877

Females

2461

F55-59

2461

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2story building
+22ft-21ft

Overall

8228

Females

2164

F55-59

2164

Passing Analysis

Category:
Athletes Passed
2001*
Passed By
1466
Net Change
+534
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10438
5K → 10K258263-5#10438#10443
10K → 15K150212-62#10443#10505
15K → 20K112297-186#10505#10691
20K → Half1785-68#10691#10759
Half → 25K188124+64#10759#10695
25K → 30K265195+70#10695#10625
30K → 20M14177+64#10625#10561
20M → 21M12484+40#10561#10521
21M → 35K11213+99#10521#10422
35K → 23M19723+174#10422#10248
23M → 24M13228+104#10248#10144
24M → 40K13124+107#10144#10037
40K → 25.2M5120+31#10037#10006
25.2M → Finish123*21+102#10006#9904
TOTALS2001*1466+534

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

📊

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