Boston Marathon logo
BOSTON MARATHON 2025

Anne Hafermann

Bib: 23272•F

WA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 45%
Masters (Masters Women)
#0 / 6759
Top 32%
Division (F45-49)
#0 / 1813
Top 39%
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
7:59/mi
24:48
↑ 97↓ 3451.5%
10K· 6.21 mi
8:11/mi
50:13
↑ 79↓ 1380.4%
15K· 9.32 mi
8:10/mi
1:15:36
↑ 67↓ 78
20K· 12.43 mi
8:16/mi
1:41:16
↑ 106↓ 860.1%
Half· 13.11 mi
8:12/mi
1:46:52
↑ 19↓ 370.5%
25K· 15.53 mi
8:15/mi
2:06:51
↑ 66↓ 880.2%
30K· 18.64 mi
8:43/mi
2:33:57
↑ 181↓ 1480.2%
20M
8:49/mi
2:45:56
↑ 64↓ 500.2%
21M
9:30/mi
2:55:26
↑ 106↓ 241.6%
35K· 21.75 mi
8:29/mi
3:01:47
↑ 17↓ 861.7%
23M
9:00/mi
3:13:03
↑ 23↓ 630.6%
24M
9:03/mi
3:22:06
↓ 821.3%
40K· 24.85 mi
8:18/mi
3:29:12
↓ 200.3%
25.2M
9:20/mi
3:32:25
↑ 13↓ 160.2%
Finish· 26.22 mi
8:09/mi
3:40:43
↑ 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
Time1:46:52
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time1:53:51
Pace8:41 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:4524:487:5924:48
7:59
-
10K
6.21 mi11:47:1050:138:0525:25
8:11
+0:12
15K
9.32 mi12:12:331:15:368:0725:23
8:10
-0:01
20K
12.43 mi12:38:131:41:168:0925:40
8:16
+0:06
Half
13.11 mi12:43:491:46:528:095:36
8:12
-0:04
25K
15.53 mi13:03:482:06:518:1019:59
8:15
+0:03
30K
18.64 mi13:30:542:33:578:1627:06
8:43
+0:28
20M
20.00 mi13:42:532:45:568:1811:59
8:49
+0:06
21M
21.00 mi13:52:232:55:268:219:30
9:30
+0:41
35K
21.75 mi13:58:443:01:478:226:21
8:29
-1:01
23M
23.00 mi14:10:003:13:038:2411:16
9:00
+0:31
24M
24.00 mi14:19:033:22:068:259:03
9:03
+0:03
40K
24.85 mi14:26:093:29:128:257:06
8:18
-0:45
25.2M
25.20 mi14:29:223:32:258:263:13
9:20
+1:02
Finish
26.22 mi14:37:403:40:438:258:18
8:09
-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

7:59 /mi

Average Pace

8:25 /mi

Slowest Pace

9:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:42

80% of race

Time at Steady Pace

35:31

16% of race

Time at Slower Pace

9:30

4% of race

Average Pace: 8:25 /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 mi11:21:4524:487:5924:48
7:59
#16460
10K
6.21 mi11:47:1050:138:0525:25
8:11
#17138
15K
9.32 mi12:12:331:15:368:0725:23
8:10
#17163
20K
12.43 mi12:38:131:41:168:0925:40
8:16
#17027
Half
13.11 mi12:43:491:46:528:095:36
8:12
#17028
25K
15.53 mi13:03:482:06:518:1019:59
8:15
#16746
30K
18.64 mi13:30:542:33:578:1627:06
8:43
#16581
20M
20.00 mi13:42:532:45:568:1811:59
8:49
#16495
21M
21.00 mi13:52:232:55:268:219:30
9:30
#16410
35K
21.75 mi13:58:443:01:478:226:21
8:29
#16342
23M
23.00 mi14:10:003:13:038:2411:16
9:00
#16292
24M
24.00 mi14:19:033:22:068:259:03
9:03
#16344
40K
24.85 mi14:26:093:29:128:257:06
8:18
#16186
25.2M
25.20 mi14:29:223:32:258:263:13
9:20
#16138
Finish
26.22 mi14:37:403:40:438:258:18
8:09
#16043
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi164605424542417207(Top 61%)5851(Top 48%)5851(Top 323%)
10K6.21 mi3.10 mi17138-6785810-3865810-38617762(Top 63%)6155(Top 50%)6155(Top 339%)
15K9.32 mi3.11 mi17163-255808+25808+217207(Top 61%)5851(Top 48%)5851(Top 323%)
20K12.43 mi3.11 mi17027+1365756+525756+5216711(Top 59%)5612(Top 46%)5612(Top 310%)
Half13.11 mi0.68 mi17028-15763-75763-717347(Top 61%)5946(Top 49%)5946(Top 328%)
25K15.53 mi2.42 mi16746+2825612+1515612+15115586(Top 55%)5070(Top 41%)5070(Top 280%)
30K18.64 mi3.11 mi16581+1655572+405572+4016134(Top 57%)5538(Top 45%)5538(Top 305%)
20M20.00 mi1.36 mi16495+865553+195553+1915778(Top 56%)5464(Top 45%)5464(Top 301%)
21M21.00 mi1.00 mi16410+855532+215532+2116096(Top 57%)5755(Top 47%)5755(Top 317%)
35K21.75 mi0.75 mi16342+685508+245508+2415423(Top 54%)5479(Top 45%)5479(Top 302%)
23M23.00 mi1.25 mi16292+505514-65514-616252(Top 57%)6026(Top 49%)6026(Top 332%)
24M24.00 mi1.00 mi16344-525572-585572-5817619(Top 62%)6824(Top 56%)6824(Top 376%)
40K24.85 mi0.85 mi16186+1585505+675505+6712228(Top 43%)4050(Top 33%)4050(Top 223%)
25.2M25.20 mi0.35 mi16138+485489+165489+1613687(Top 48%)4867(Top 40%)4867(Top 268%)
Finish26.22 mi1.02 mi16043+955455+345455+3413938(Top 49%)4928(Top 40%)4928(Top 272%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

17207

Females

5851

F45-49

5851

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

17762

Females

6155

F45-49

6155

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

17207

Females

5851

F45-49

5851

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

16711

Females

5612

F45-49

5612

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

17347

Females

5946

F45-49

5946

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

15586

Females

5070

F45-49

5070

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

16134

Females

5538

F45-49

5538

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

15778

Females

5464

F45-49

5464

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

16096

Females

5755

F45-49

5755

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

15423

Females

5479

F45-49

5479

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

16252

Females

6026

F45-49

6026

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

17619

Females

6824

F45-49

6824

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

12228

Females

4050

F45-49

4050

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

13687

Females

4867

F45-49

4867

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

13938

Females

4928

F45-49

4928

Passing Analysis

Category:
Athletes Passed
2118
Passed By
1701
Net Change
+417
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16460
5K → 10K101779-678#16460#17138
10K → 15K190215-25#17138#17163
15K → 20K250114+136#17163#17027
20K → Half3839-1#17027#17028
Half → 25K30624+282#17028#16746
25K → 30K292127+165#16746#16581
30K → 20M14862+86#16581#16495
20M → 21M15671+85#16495#16410
21M → 35K9426+68#16410#16342
35K → 23M13484+50#16342#16292
23M → 24M65117-52#16292#16344
24M → 40K1657+158#16344#16186
40K → 25.2M5810+48#16186#16138
25.2M → Finish12126+95#16138#16043
TOTALS21181701+417
📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing