Boston Marathon logo
BOSTON MARATHON 2025

Angela Sterf

Bib: 13208•F

PA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 23%
Gender (Female)
#0 / 12228
Top 7%
Division (F18-39)
#0 / 5469
Top 13%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:18
Rank: #6755
Start → 5K
21:18 | 6:51/mi
10K· 6.21 mi
43:06
Rank: #7416 (-661)
5K → 10K
21:48 | 7:01/mi
15K· 9.32 mi
1:04:56
Rank: #7547 (-131)
10K → 15K
21:50 | 7:02/mi
20K· 12.43 mi
1:27:03
Rank: #7536 (+11)
15K → 20K
22:07 | 7:07/mi
Half· 13.11 mi
1:31:47
Rank: #7506 (+30)
20K → Half
4:44 | 6:56/mi
25K· 15.53 mi
1:49:03
Rank: #7391 (+115)
Half → 25K
17:16 | 7:07/mi
30K· 18.64 mi
2:11:46
Rank: #7146 (+245)
25K → 30K
22:43 | 7:19/mi
20M
2:21:56
Rank: #7055 (+91)
30K → 20M
10:10 | 7:29/mi
21M
2:29:49
Rank: #6951 (+104)
20M → 21M
7:53 | 7:53/mi
35K· 21.75 mi
2:35:12
Rank: #6897 (+54)
21M → 35K
5:23 | 7:12/mi
23M
2:44:37
Rank: #6808 (+89)
35K → 23M
9:25 | 7:31/mi
24M
2:51:50
Rank: #6702 (+106)
23M → 24M
7:13 | 7:13/mi
40K· 24.85 mi
2:58:03
Rank: #6593 (+109)
24M → 40K
6:13 | 7:16/mi
25.2M
3:00:47
Rank: #6546 (+47)
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
3:07:51
Rank: #6444 (+102)
25.2M → Finish
7:04 | 6:56/mi

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
Time1:31:47
Pace7:00 /mi
2nd Half
Distance13.11 mi
Time1:36:04
Pace7:20 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:5821:186:5121:18
6:51
-
10K
6.21 mi11:11:4643:066:5621:48
7:01
+0:10
15K
9.32 mi11:33:361:04:566:5821:50
7:02
+0:01
20K
12.43 mi11:55:431:27:037:0022:07
7:07
+0:05
Half
13.11 mi12:00:271:31:477:004:44
6:56
-0:11
25K
15.53 mi12:17:431:49:037:0117:16
7:07
+0:11
30K
18.64 mi12:40:262:11:467:0422:43
7:19
+0:12
20M
20.00 mi12:50:362:21:567:0610:10
7:29
+0:10
21M
21.00 mi12:58:292:29:497:087:53
7:53
+0:24
35K
21.75 mi13:03:522:35:127:085:23
7:12
-0:41
23M
23.00 mi13:13:172:44:377:099:25
7:31
+0:19
24M
24.00 mi13:20:302:51:507:107:13
7:13
-0:18
40K
24.85 mi13:26:432:58:037:106:13
7:16
+0:03
25.2M
25.20 mi13:29:273:00:477:102:44
7:56
+0:40
Finish
26.22 mi13:36:313:07:517:107:04
6:56
-1:00

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

6:51 /mi

Average Pace

7:10 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:14

94% of race

Time at Steady Pace

10:37

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:10 /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 mi10:49:5821:186:5121:18
6:51
#6755
10K
6.21 mi11:11:4643:066:5621:48
7:01
#7416
15K
9.32 mi11:33:361:04:566:5821:50
7:02
#7547
20K
12.43 mi11:55:431:27:037:0022:07
7:07
#7536
Half
13.11 mi12:00:271:31:477:004:44
6:56
#7506
25K
15.53 mi12:17:431:49:037:0117:16
7:07
#7391
30K
18.64 mi12:40:262:11:467:0422:43
7:19
#7146
20M
20.00 mi12:50:362:21:567:0610:10
7:29
#7055
21M
21.00 mi12:58:292:29:497:087:53
7:53
#6951
35K
21.75 mi13:03:522:35:127:085:23
7:12
#6897
23M
23.00 mi13:13:172:44:377:099:25
7:31
#6808
24M
24.00 mi13:20:302:51:507:107:13
7:13
#6702
40K
24.85 mi13:26:432:58:037:106:13
7:16
#6593
25.2M
25.20 mi13:29:273:00:477:102:44
7:56
#6546
Finish
26.22 mi13:36:313:07:517:107:04
6:56
#6444
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi67556236237817(Top 28%)975(Top 8%)975(Top 18%)
10K6.21 mi3.10 mi7416-661802-179802-1798039(Top 28%)1018(Top 8%)1018(Top 19%)
15K9.32 mi3.11 mi7547-131856-54856-547817(Top 28%)975(Top 8%)975(Top 18%)
20K12.43 mi3.11 mi7536+11859-3859-37640(Top 27%)981(Top 8%)981(Top 18%)
Half13.11 mi0.68 mi7506+30854+5854+57194(Top 25%)818(Top 7%)818(Top 15%)
25K15.53 mi2.42 mi7391+115835+19835+197122(Top 25%)897(Top 7%)897(Top 16%)
30K18.64 mi3.11 mi7146+245819+16819+166519(Top 23%)837(Top 7%)837(Top 15%)
20M20.00 mi1.36 mi7055+918198196891(Top 24%)1102(Top 9%)1102(Top 20%)
21M21.00 mi1.00 mi6951+104812+7812+76712(Top 24%)1181(Top 10%)1181(Top 22%)
35K21.75 mi0.75 mi6897+54817-5817-56601(Top 23%)1125(Top 9%)1125(Top 21%)
23M23.00 mi1.25 mi6808+89828-11828-116749(Top 24%)1283(Top 10%)1283(Top 23%)
24M24.00 mi1.00 mi6702+106824+4824+45941(Top 21%)1042(Top 9%)1042(Top 19%)
40K24.85 mi0.85 mi6593+109818+6818+65512(Top 19%)938(Top 8%)938(Top 17%)
25.2M25.20 mi0.35 mi6546+47814+4814+45627(Top 20%)1090(Top 9%)1090(Top 20%)
Finish26.22 mi1.02 mi6444+102807+7807+75338(Top 19%)984(Top 8%)984(Top 18%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7817

Females

975

F18-39

975

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

8039

Females

1018

F18-39

1018

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7817

Females

975

F18-39

975

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7640

Females

981

F18-39

981

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

7194

Females

818

F18-39

818

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

7122

Females

897

F18-39

897

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6519

Females

837

F18-39

837

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6891

Females

1102

F18-39

1102

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6712

Females

1181

F18-39

1181

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6601

Females

1125

F18-39

1125

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6749

Females

1283

F18-39

1283

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5941

Females

1042

F18-39

1042

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5512

Females

938

F18-39

938

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5627

Females

1090

F18-39

1090

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5338

Females

984

F18-39

984

Passing Analysis

Category:
Athletes Passed
1696
Passed By
1385
Net Change
+311
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6755
5K → 10K42703-661#6755#7416
10K → 15K100231-131#7416#7547
15K → 20K132121+11#7547#7536
20K → Half4010+30#7536#7506
Half → 25K16348+115#7506#7391
25K → 30K30560+245#7391#7146
30K → 20M13544+91#7146#7055
20M → 21M13834+104#7055#6951
21M → 35K7723+54#6951#6897
35K → 23M13142+89#6897#6808
23M → 24M12822+106#6808#6702
24M → 40K12314+109#6702#6593
40K → 25.2M558+47#6593#6546
25.2M → Finish12725+102#6546#6444
TOTALS16961385+311
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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