Boston Marathon logo
BOSTON MARATHON 2025

Ruby Chang

Bib: 25609•F

MD

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F65-69)
#0 / 222
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
10:21/mi
32:09
↑ 97↓ 3451.5%
10K· 6.21 mi
10:20/mi
1:04:16
↑ 79↓ 1380.4%
15K· 9.32 mi
10:30/mi
1:36:54
↑ 67↓ 78
20K· 12.43 mi
10:32/mi
2:09:39
↑ 106↓ 860.1%
Half· 13.11 mi
10:08/mi
2:16:34
↑ 19↓ 370.5%
25K· 15.53 mi
10:39/mi
2:42:24
↑ 66↓ 880.2%
30K· 18.64 mi
10:53/mi
3:16:14
↑ 181↓ 1480.2%
20M
10:45/mi
3:30:50
↑ 64↓ 500.2%
21M
11:21/mi
3:42:11
↑ 106↓ 241.6%
35K· 21.75 mi
10:10/mi
3:49:47
↑ 17↓ 861.7%
23M
10:53/mi
4:03:24
↑ 23↓ 630.6%
24M
10:35/mi
4:13:59
↓ 821.3%
40K· 24.85 mi
10:39/mi
4:23:05
↓ 200.3%
25.2M
11:48/mi
4:27:09
↑ 13↓ 160.2%
Finish· 26.22 mi
10:17/mi
4:37:38
↑ 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
Time2:16:34
Pace10:25 /mi
2nd Half
Distance13.11 mi
Time2:21:04
Pace10:46 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:4832:0910:2132:09
10:21
-
10K
6.21 mi12:20:551:04:1610:2132:07
10:20
-0:01
15K
9.32 mi12:53:331:36:5410:2432:38
10:30
+0:10
20K
12.43 mi13:26:182:09:3910:2632:45
10:32
+0:02
Half
13.11 mi13:33:132:16:3410:256:55
10:08
-0:24
25K
15.53 mi13:59:032:42:2410:2725:50
10:39
+0:31
30K
18.64 mi14:32:533:16:1410:3233:50
10:53
+0:14
20M
20.00 mi14:47:293:30:5010:3214:36
10:45
-0:08
21M
21.00 mi14:58:503:42:1110:3511:21
11:21
+0:36
35K
21.75 mi15:06:263:49:4710:347:36
10:10
-1:11
23M
23.00 mi15:20:034:03:2410:3513:37
10:53
+0:43
24M
24.00 mi15:30:384:13:5910:3510:35
10:35
-0:18
40K
24.85 mi15:39:444:23:0510:359:06
10:39
+0:04
25.2M
25.20 mi15:43:484:27:0910:364:04
11:48
+1:09
Finish
26.22 mi15:54:174:37:3810:3610:29
10:17
-1:31

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

10:08 /mi

Average Pace

10:36 /mi

Slowest Pace

11:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:22:13

94% of race

Time at Steady Pace

15:25

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:35 /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 mi11:48:4832:0910:2132:09
10:21
#26392
10K
6.21 mi12:20:551:04:1610:2132:07
10:20
#26170
15K
9.32 mi12:53:331:36:5410:2432:38
10:30
#26074
20K
12.43 mi13:26:182:09:3910:2632:45
10:32
#25857
Half
13.11 mi13:33:132:16:3410:256:55
10:08
#25831
25K
15.53 mi13:59:032:42:2410:2725:50
10:39
#25627
30K
18.64 mi14:32:533:16:1410:3233:50
10:53
#25286
20M
20.00 mi14:47:293:30:5010:3214:36
10:45
#25140
21M
21.00 mi14:58:503:42:1110:3511:21
11:21
#25016
35K
21.75 mi15:06:263:49:4710:347:36
10:10
#24957
23M
23.00 mi15:20:034:03:2410:3513:37
10:53
#24853
24M
24.00 mi15:30:384:13:5910:3510:35
10:35
#24784
40K
24.85 mi15:39:444:23:0510:359:06
10:39
#24712
25.2M
25.20 mi15:43:484:27:0910:364:04
11:48
#24690
Finish
26.22 mi15:54:174:37:3810:3610:29
10:17
#24667
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
5K3.11 mi3.11 mi26392109691096925937(Top 91%)10753(Top 88%)10753(Top 4844%)
10K6.21 mi3.10 mi26170+22210862+10710862+10725982(Top 91%)10779(Top 88%)10779(Top 4855%)
15K9.32 mi3.11 mi26074+9610821+4110821+4125937(Top 91%)10753(Top 88%)10753(Top 4844%)
20K12.43 mi3.11 mi25857+21710709+11210709+11225253(Top 89%)10407(Top 85%)10407(Top 4688%)
Half13.11 mi0.68 mi25831+2610692+1710692+1725089(Top 88%)10309(Top 84%)10309(Top 4644%)
25K15.53 mi2.42 mi25627+20410586+10610586+10624633(Top 87%)10094(Top 83%)10094(Top 4547%)
30K18.64 mi3.11 mi25286+34110439+14710439+14723789(Top 84%)9755(Top 80%)9755(Top 4394%)
20M20.00 mi1.36 mi25140+14610369+7010369+7023040(Top 81%)9445(Top 77%)9445(Top 4255%)
21M21.00 mi1.00 mi25016+12410314+5510314+5522253(Top 78%)9114(Top 75%)9114(Top 4105%)
35K21.75 mi0.75 mi24957+5910288+2610288+2622296(Top 78%)9195(Top 75%)9195(Top 4142%)
23M23.00 mi1.25 mi24853+10410246+4210246+4222929(Top 81%)9568(Top 78%)9568(Top 4310%)
24M24.00 mi1.00 mi24784+6910226+2010226+2023014(Top 81%)9650(Top 79%)9650(Top 4347%)
40K24.85 mi0.85 mi24712+7210202+2410202+2422269(Top 78%)9350(Top 76%)9350(Top 4212%)
25.2M25.20 mi0.35 mi24690+2210192+1010192+1022712(Top 80%)9529(Top 78%)9529(Top 4292%)
Finish26.22 mi1.02 mi24667+2310189+310189+323735(Top 84%)10041(Top 82%)10041(Top 4523%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

25937

Females

10753

F65-69

10753

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

25982

Females

10779

F65-69

10779

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

25937

Females

10753

F65-69

10753

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

25253

Females

10407

F65-69

10407

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

25089

Females

10309

F65-69

10309

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

24633

Females

10094

F65-69

10094

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

23789

Females

9755

F65-69

9755

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

23040

Females

9445

F65-69

9445

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

22253

Females

9114

F65-69

9114

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

22296

Females

9195

F65-69

9195

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

22929

Females

9568

F65-69

9568

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

23014

Females

9650

F65-69

9650

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22269

Females

9350

F65-69

9350

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

22712

Females

9529

F65-69

9529

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

23735

Females

10041

F65-69

10041

Passing Analysis

Category:
Athletes Passed
1995
Passed By
270
Net Change
+1725
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26392
5K → 10K29775+222#26392#26170
10K → 15K17074+96#26170#26074
15K → 20K24831+217#26074#25857
20K → Half348+26#25857#25831
Half → 25K21410+204#25831#25627
25K → 30K35110+341#25627#25286
30K → 20M1537+146#25286#25140
20M → 21M1295+124#25140#25016
21M → 35K645+59#25016#24957
35K → 23M11410+104#24957#24853
23M → 24M756+69#24853#24784
24M → 40K764+72#24784#24712
40K → 25.2M253+22#24712#24690
25.2M → Finish4522+23#24690#24667
TOTALS1995270+1725
📊

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing