Boston Marathon logo
BOSTON MARATHON 2025

Pin Gao

Bib: 13305•F

PA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 43%
Gender (Female)
#0 / 12228
Top 28%
Division (F18-39)
#0 / 5469
Top 46%
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
7:28/mi
23:11
↑ 97↓ 3451.5%
10K· 6.21 mi
7:29/mi
46:26
↑ 79↓ 1380.4%
15K· 9.32 mi
7:29/mi
1:09:40
↑ 67↓ 78
20K· 12.43 mi
7:37/mi
1:33:20
↑ 106↓ 860.1%
Half· 13.11 mi
7:34/mi
1:38:30
↑ 19↓ 370.5%
25K· 15.53 mi
7:49/mi
1:57:28
↑ 66↓ 880.2%
30K· 18.64 mi
8:14/mi
2:23:03
↑ 181↓ 1480.2%
20M
8:26/mi
2:34:31
↑ 64↓ 500.2%
21M
8:57/mi
2:43:28
↑ 106↓ 241.6%
35K· 21.75 mi
8:13/mi
2:49:37
↑ 17↓ 861.7%
23M
8:32/mi
3:00:18
↑ 23↓ 630.6%
24M
8:19/mi
3:08:37
↓ 821.3%
40K· 24.85 mi
8:25/mi
3:15:49
↓ 200.3%
25.2M
8:56/mi
3:18:54
↑ 13↓ 160.2%
Finish· 26.22 mi
7:45/mi
3:26:48
↑ 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
Time1:38:30
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:48:18
Pace8:16 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1423:117:2823:11
7:28
-
10K
6.21 mi11:15:2946:267:2823:15
7:29
+0:01
15K
9.32 mi11:38:431:09:407:2823:14
7:29
0:00
20K
12.43 mi12:02:231:33:207:3123:40
7:37
+0:08
Half
13.11 mi12:07:331:38:307:315:10
7:34
-0:03
25K
15.53 mi12:26:311:57:287:3418:58
7:49
+0:15
30K
18.64 mi12:52:062:23:037:4025:35
8:14
+0:25
20M
20.00 mi13:03:342:34:317:4411:28
8:26
+0:12
21M
21.00 mi13:12:312:43:287:478:57
8:57
+0:31
35K
21.75 mi13:18:402:49:377:486:09
8:13
-0:44
23M
23.00 mi13:29:213:00:187:5010:41
8:32
+0:19
24M
24.00 mi13:37:403:08:377:528:19
8:19
-0:13
40K
24.85 mi13:44:523:15:497:537:12
8:25
+0:06
25.2M
25.20 mi13:47:573:18:547:543:05
8:56
+0:31
Finish
26.22 mi13:55:513:26:487:547:54
7:45
-1:11

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

7:28 /mi

Average Pace

7:54 /mi

Slowest Pace

8:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:22

61% of race

Time at Steady Pace

1:09:24

34% of race

Time at Slower Pace

12:02

6% of race

Average Pace: 7:53 /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 mi10:52:1423:117:2823:11
7:28
#11919
10K
6.21 mi11:15:2946:267:2823:15
7:29
#11900
15K
9.32 mi11:38:431:09:407:2823:14
7:29
#11758
20K
12.43 mi12:02:231:33:207:3123:40
7:37
#11721
Half
13.11 mi12:07:331:38:307:315:10
7:34
#11750
25K
15.53 mi12:26:311:57:287:3418:58
7:49
#11862
30K
18.64 mi12:52:062:23:037:4025:35
8:14
#12030
20M
20.00 mi13:03:342:34:317:4411:28
8:26
#12121
21M
21.00 mi13:12:312:43:287:478:57
8:57
#12171
35K
21.75 mi13:18:402:49:377:486:09
8:13
#12221
23M
23.00 mi13:29:213:00:187:5010:41
8:32
#12280
24M
24.00 mi13:37:403:08:377:528:19
8:19
#12325
40K
24.85 mi13:44:523:15:497:537:12
8:25
#12319
25.2M
25.20 mi13:47:573:18:547:543:05
8:56
#12302
Finish
26.22 mi13:55:513:26:487:547:54
7:45
#12221
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi119192754275411596(Top 41%)2688(Top 22%)2688(Top 49%)
10K6.21 mi3.10 mi11900+192758-42758-411977(Top 42%)2809(Top 23%)2809(Top 51%)
15K9.32 mi3.11 mi11758+1422698+602698+6011596(Top 41%)2688(Top 22%)2688(Top 49%)
20K12.43 mi3.11 mi11721+372727-292727-2911741(Top 41%)2862(Top 23%)2862(Top 52%)
Half13.11 mi0.68 mi11750-292739-122739-1212420(Top 44%)3187(Top 26%)3187(Top 58%)
25K15.53 mi2.42 mi11862-1122852-1132852-11312547(Top 44%)3423(Top 28%)3423(Top 63%)
30K18.64 mi3.11 mi12030-1683013-1613013-16113058(Top 46%)3855(Top 32%)3855(Top 70%)
20M20.00 mi1.36 mi12121-913096-833096-8313400(Top 47%)4186(Top 34%)4186(Top 77%)
21M21.00 mi1.00 mi12171-503168-723168-7213221(Top 47%)4220(Top 35%)4220(Top 77%)
35K21.75 mi0.75 mi12221-503218-503218-5013768(Top 48%)4548(Top 37%)4548(Top 83%)
23M23.00 mi1.25 mi12280-593287-693287-6913530(Top 48%)4536(Top 37%)4536(Top 83%)
24M24.00 mi1.00 mi12325-453337-503337-5013379(Top 47%)4500(Top 37%)4500(Top 82%)
40K24.85 mi0.85 mi12319+63369-323369-3212936(Top 46%)4398(Top 36%)4398(Top 80%)
25.2M25.20 mi0.35 mi12302+173367+23367+211520(Top 41%)3757(Top 31%)3757(Top 69%)
Finish26.22 mi1.02 mi12221+813364+33364+311121(Top 39%)3519(Top 29%)3519(Top 64%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

11596

Females

2688

F18-39

2688

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11977

Females

2809

F18-39

2809

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

11596

Females

2688

F18-39

2688

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

11741

Females

2862

F18-39

2862

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

12420

Females

3187

F18-39

3187

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

12547

Females

3423

F18-39

3423

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

13058

Females

3855

F18-39

3855

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

13400

Females

4186

F18-39

4186

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

13221

Females

4220

F18-39

4220

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

13768

Females

4548

F18-39

4548

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

13530

Females

4536

F18-39

4536

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

13379

Females

4500

F18-39

4500

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12936

Females

4398

F18-39

4398

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11520

Females

3757

F18-39

3757

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

11121

Females

3519

F18-39

3519

Passing Analysis

Category:
Athletes Passed
1656
Passed By
1958
Net Change
-302
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11919
5K → 10K261242+19#11919#11900
10K → 15K242100+142#11900#11758
15K → 20K213176+37#11758#11721
20K → Half2554-29#11721#11750
Half → 25K128240-112#11750#11862
25K → 30K185353-168#11862#12030
30K → 20M89180-91#12030#12121
20M → 21M90140-50#12121#12171
21M → 35K4898-50#12171#12221
35K → 23M86145-59#12221#12280
23M → 24M62107-45#12280#12325
24M → 40K7569+6#12325#12319
40K → 25.2M3316+17#12319#12302
25.2M → Finish11938+81#12302#12221
TOTALS16561958-302
📊

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