Boston Marathon logo
BOSTON MARATHON 2025

April Woo

KY

Bib: 9320 F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 19%
Gender (Female)
#0 / 12228
Top 4%
Masters (Masters Women)
#0 / 6759
Top 0.9%
Division (F45-49)
#0 / 1813
Top 1%
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:48/mi
21:09
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:47/mi
42:13
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:50/mi
1:03:27
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:58/mi
1:25:05
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:53/mi
1:29:47
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:58/mi
1:46:41
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:09/mi
2:08:53
↑ 181↓ 1480.2%
138 ft elev
20M
7:10/mi
2:18:38
↑ 64↓ 500.2%
148 ft elev
21M
7:42/mi
2:26:20
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:44/mi
2:31:22
↑ 17↓ 861.7%
156 ft elev
23M
7:11/mi
2:40:22
↑ 23↓ 630.6%
116 ft elev
24M
6:55/mi
2:47:17
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:03/mi
2:53:19
↓ 200.3%
20 ft elev
25.2M
7:47/mi
2:56:00
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:51/mi
3:02:59
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:29:476:51 /mi⚡ faster
2nd Half
1:33:127:07 /mi+3.8%
Positive split — 3.8% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
21:096:483.11 mi21:09
6:48
-
10K
42:136:483.10 mi21:04
6:47
-0:01
15K
1:03:276:483.11 mi21:14
6:50
+0:03
20K
1:25:056:513.11 mi21:38
6:58
+0:08
Half(13.11 mi)
1:29:476:510.68 mi4:42
6:53
-0:05
25K
1:46:416:522.42 mi16:54
6:58
+0:05
30K
2:08:536:553.11 mi22:12
7:09
+0:11
20M
2:18:386:561.36 mi9:45
7:10
+0:01
21M
2:26:206:581.00 mi7:42
7:42
+0:32
35K
2:31:226:580.75 mi5:02
6:44
-0:58
23M
2:40:226:581.25 mi9:00
7:11
+0:27
24M
2:47:176:581.00 mi6:55
6:55
-0:16
40K
2:53:196:580.85 mi6:02
7:03
+0:08
25.2M
2:56:006:590.35 mi2:41
7:47
+0:44
Finish(26.22 mi)
3:02:596:591.02 mi6:59
6:51
-0:56
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:44 /mi

Average Pace

6:59 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:52:36

94% of race

Time at Steady Pace

10:23

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:59 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi63775475476454608608
10K3.10 mi6246+131514+33514+336205540540
15K3.11 mi6281-35534-20534-206454608608
20K3.11 mi6378-97584-50584-506665697697
Half(13.11 mi)0.68 mi6409-31590-6590-66867725725
25K2.42 mi6321+88588+2588+26134617617
30K3.11 mi6068+253571+17571+175592571571
20M1.36 mi5957+111556+15556+155088525525
21M1.00 mi5862+95548+8548+85654796796
35K0.75 mi5771+91536+12536+123747361361
23M1.25 mi5637+134522+14522+144816614614
24M1.00 mi5514+123511+11511+114207497497
40K0.85 mi5423+91504+7504+74245560560
25.2M0.35 mi5386+37503+1503+14836803803
Finish(26.22 mi)1.02 mi5313+73502+1502+14831802802

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21story building
+97ft-345ft

Overall

6454

Females

608

F45-49

608

5K→10K

3.1 - 6.2 mi

Top 22%
×5story building
+79ft-138ft

Overall

6205

Females

540

F45-49

540

10K→15K

6.2 - 9.3 mi

Top 23%
×3story building
+67ft-78ft

Overall

6454

Females

608

F45-49

608

15K→20K

9.3 - 12.4 mi

Top 23%
×5story building
+106ft-86ft

Overall

6665

Females

697

F45-49

697

20K→Half

12.4 - 13.1 mi

Top 24%
×2story building
+19ft-37ft

Overall

6867

Females

725

F45-49

725

Half→25K

13.1 - 15.5 mi

Top 22%
×4story building
+66ft-88ft

Overall

6134

Females

617

F45-49

617

25K→30K

15.5 - 18.6 mi

Top 20%
×9story building
+181ft-148ft

Overall

5592

Females

571

F45-49

571

30K→20M

18.6 - 20.0 mi

Top 18%
×5story building
+64ft-50ft

Overall

5088

Females

525

F45-49

525

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5654

Females

796

F45-49

796

21M→35K

21.0 - 21.8 mi

Top 13%
×7story building
+17ft-86ft

Overall

3747

Females

361

F45-49

361

35K→23M

21.8 - 23.0 mi

Top 17%
×5story building
+23ft-63ft

Overall

4816

Females

614

F45-49

614

23M→24M

23.0 - 24.0 mi

Top 15%
×6story building
+12ft-82ft

Overall

4207

Females

497

F45-49

497

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4245

Females

560

F45-49

560

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4836

Females

803

F45-49

803

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4831

Females

802

F45-49

802

Passing Analysis

Category:
Passed
1837
Passed By
773
Net Change
+1064
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6377
5K → 10K258127+131#6377#6246
10K → 15K136171-35#6246#6281
15K → 20K108205-97#6281#6378
20K → Half1445-31#6378#6409
Half → 25K16072+88#6409#6321
25K → 30K30451+253#6321#6068
30K → 20M13322+111#6068#5957
20M → 21M11823+95#5957#5862
21M → 35K965+91#5862#5771
35K → 23M15016+134#5771#5637
23M → 24M1307+123#5637#5514
24M → 40K10110+91#5514#5423
40K → 25.2M392+37#5423#5386
25.2M → Finish9017+73#5386#5313
TOTALS1837773+1064

Passing Charts

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