Boston Marathon logo
BOSTON MARATHON 2025

Diane Yuzawa

Bib: 17557•F

NY

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 47%
Division (F18-39)
#0 / 5469
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
8:03/mi
25:01
↑ 97↓ 3451.5%
10K· 6.21 mi
8:14/mi
50:37
↑ 79↓ 1380.4%
15K· 9.32 mi
8:14/mi
1:16:13
↑ 67↓ 78
20K· 12.43 mi
8:24/mi
1:42:18
↑ 106↓ 860.1%
Half· 13.11 mi
8:14/mi
1:47:55
↑ 19↓ 370.5%
25K· 15.53 mi
8:31/mi
2:08:35
↑ 66↓ 880.2%
30K· 18.64 mi
9:02/mi
2:36:39
↑ 181↓ 1480.2%
20M
9:05/mi
2:49:00
↑ 64↓ 500.2%
21M
9:36/mi
2:58:36
↑ 106↓ 241.6%
35K· 21.75 mi
8:15/mi
3:04:46
↑ 17↓ 861.7%
23M
8:32/mi
3:15:27
↑ 23↓ 630.6%
24M
8:26/mi
3:23:53
↓ 821.3%
40K· 24.85 mi
8:42/mi
3:31:19
↓ 200.3%
25.2M
9:43/mi
3:34:40
↑ 13↓ 160.2%
Finish· 26.22 mi
7:54/mi
3:42:43
↑ 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
Time1:47:55
Pace8:14 /mi
2nd Half
Distance13.11 mi
Time1:54:48
Pace8:45 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0925:018:0325:01
8:03
-
10K
6.21 mi11:40:4550:378:0925:36
8:14
+0:11
15K
9.32 mi12:06:211:16:138:1125:36
8:14
0:00
20K
12.43 mi12:32:261:42:188:1426:05
8:24
+0:10
Half
13.11 mi12:38:031:47:558:145:37
8:14
-0:10
25K
15.53 mi12:58:432:08:358:1720:40
8:31
+0:17
30K
18.64 mi13:26:472:36:398:2428:04
9:02
+0:31
20M
20.00 mi13:39:082:49:008:2712:21
9:05
+0:03
21M
21.00 mi13:48:442:58:368:309:36
9:36
+0:31
35K
21.75 mi13:54:543:04:468:306:10
8:15
-1:21
23M
23.00 mi14:05:353:15:278:3010:41
8:32
+0:17
24M
24.00 mi14:14:013:23:538:308:26
8:26
-0:06
40K
24.85 mi14:21:273:31:198:307:26
8:42
+0:16
25.2M
25.20 mi14:24:483:34:408:313:21
9:43
+1:01
Finish
26.22 mi14:32:513:42:438:308:03
7:54
-1:49

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

7:54 /mi

Average Pace

8:30 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

33:04

15% of race

Time at Steady Pace

2:08:51

58% of race

Time at Slower Pace

1:00:48

27% of race

Average Pace: 8:30 /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 mi11:15:0925:018:0325:01
8:03
#17032
10K
6.21 mi11:40:4550:378:0925:36
8:14
#17616
15K
9.32 mi12:06:211:16:138:1125:36
8:14
#17619
20K
12.43 mi12:32:261:42:188:1426:05
8:24
#17559
Half
13.11 mi12:38:031:47:558:145:37
8:14
#17554
25K
15.53 mi12:58:432:08:358:1720:40
8:31
#17466
30K
18.64 mi13:26:472:36:398:2428:04
9:02
#17495
20M
20.00 mi13:39:082:49:008:2712:21
9:05
#17458
21M
21.00 mi13:48:442:58:368:309:36
9:36
#17396
35K
21.75 mi13:54:543:04:468:306:10
8:15
#17248
23M
23.00 mi14:05:353:15:278:3010:41
8:32
#17003
24M
24.00 mi14:14:013:23:538:308:26
8:26
#16859
40K
24.85 mi14:21:273:31:198:307:26
8:42
#16750
25.2M
25.20 mi14:24:483:34:408:313:21
9:43
#16736
Finish
26.22 mi14:32:513:42:438:308:03
7:54
#16550
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi170325756575617661(Top 62%)6115(Top 50%)6115(Top 112%)
10K6.21 mi3.10 mi17616-5846104-3486104-34818173(Top 64%)6402(Top 52%)6402(Top 117%)
15K9.32 mi3.11 mi17619-36090+146090+1417661(Top 62%)6115(Top 50%)6115(Top 112%)
20K12.43 mi3.11 mi17559+606071+196071+1917530(Top 62%)6066(Top 50%)6066(Top 111%)
Half13.11 mi0.68 mi17554+56064+76064+717516(Top 62%)6042(Top 49%)6042(Top 110%)
25K15.53 mi2.42 mi17466+886039+256039+2517349(Top 61%)6051(Top 49%)6051(Top 111%)
30K18.64 mi3.11 mi17495-296116-776116-7717854(Top 63%)6503(Top 53%)6503(Top 119%)
20M20.00 mi1.36 mi17458+376123-76123-717259(Top 61%)6283(Top 51%)6283(Top 115%)
21M21.00 mi1.00 mi17396+626115+86115+816570(Top 58%)6016(Top 49%)6016(Top 110%)
35K21.75 mi0.75 mi17248+1486049+666049+6613956(Top 49%)4668(Top 38%)4668(Top 85%)
23M23.00 mi1.25 mi17003+2455934+1155934+11513555(Top 48%)4561(Top 37%)4561(Top 83%)
24M24.00 mi1.00 mi16859+1445875+595875+5914137(Top 50%)4903(Top 40%)4903(Top 90%)
40K24.85 mi0.85 mi16750+1095843+325843+3214615(Top 51%)5314(Top 43%)5314(Top 97%)
25.2M25.20 mi0.35 mi16736+145850-75850-715739(Top 55%)5950(Top 49%)5950(Top 109%)
Finish26.22 mi1.02 mi16550+1865757+935757+9312218(Top 43%)4055(Top 33%)4055(Top 74%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

17661

Females

6115

F18-39

6115

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

18173

Females

6402

F18-39

6402

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

17661

Females

6115

F18-39

6115

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

17530

Females

6066

F18-39

6066

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

17516

Females

6042

F18-39

6042

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

17349

Females

6051

F18-39

6051

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

17854

Females

6503

F18-39

6503

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

17259

Females

6283

F18-39

6283

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

16570

Females

6016

F18-39

6016

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

13956

Females

4668

F18-39

4668

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

13555

Females

4561

F18-39

4561

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

14137

Females

4903

F18-39

4903

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

14615

Females

5314

F18-39

5314

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15739

Females

5950

F18-39

5950

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

12218

Females

4055

F18-39

4055

Passing Analysis

Category:
Athletes Passed
2188
Passed By
1706
Net Change
+482
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17032
5K → 10K114698-584#17032#17616
10K → 15K191194-3#17616#17619
15K → 20K216156+60#17619#17559
20K → Half4035+5#17559#17554
Half → 25K204116+88#17554#17466
25K → 30K213242-29#17466#17495
30K → 20M13194+37#17495#17458
20M → 21M13270+62#17458#17396
21M → 35K15810+148#17396#17248
35K → 23M25510+245#17248#17003
23M → 24M15814+144#17003#16859
24M → 40K13526+109#16859#16750
40K → 25.2M4026+14#16750#16736
25.2M → Finish20115+186#16736#16550
TOTALS21881706+482
📊

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