Boston Marathon logo
BOSTON MARATHON 2025

Mary Feldmann

Bib: 28114•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
37:37
Rank: #28257
Start → 5K
37:37 | 12:06/mi
10K· 6.21 mi
1:13:38
Rank: #28064 (+193)
5K → 10K
36:01 | 11:36/mi
15K· 9.32 mi
1:48:59
Rank: #27795 (+269)
10K → 15K
35:21 | 11:23/mi
20K· 12.43 mi
2:22:57
Rank: #27386 (+409)
15K → 20K
33:58 | 10:56/mi
Half· 13.11 mi
2:30:15
Rank: #27318 (+68)
20K → Half
7:18 | 10:42/mi
25K· 15.53 mi
2:55:36
Rank: #26918 (+400)
Half → 25K
25:21 | 10:27/mi
30K· 18.64 mi
3:32:24
Rank: #26648 (+270)
25K → 30K
36:48 | 11:51/mi
20M
3:47:44
Rank: #26512 (+136)
30K → 20M
15:20 | 11:17/mi
21M
3:59:15
Rank: #26337 (+175)
20M → 21M
11:31 | 11:31/mi
35K· 21.75 mi
4:07:45
Rank: #26291 (+46)
21M → 35K
8:30 | 11:22/mi
23M
4:21:34
Rank: #26155 (+136)
35K → 23M
13:49 | 11:02/mi
24M
4:32:52
Rank: #26098 (+57)
23M → 24M
11:18 | 11:18/mi
40K· 24.85 mi
4:41:54
Rank: #26009 (+89)
24M → 40K
9:02 | 10:34/mi
25.2M
4:46:07
Rank: #25992 (+17)
40K → 25.2M
4:13 | 12:14/mi
Finish· 26.22 mi
4:55:38
Rank: #25883 (+109)
25.2M → Finish
9:31 | 9:20/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 Half
Distance13.11 mi
Time2:30:15
Pace11:28 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:25:23
Pace11:05 /mi
📊Negative Split: 3.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:59:0337:3712:0637:37
12:06
-
10K
6.21 mi12:35:041:13:3811:5136:01
11:36
-0:30
15K
9.32 mi13:10:251:48:5911:4235:21
11:23
-0:13
20K
12.43 mi13:44:232:22:5711:3033:58
10:56
-0:27
Half
13.11 mi13:51:412:30:1511:287:18
10:42
-0:14
25K
15.53 mi14:17:022:55:3611:1825:21
10:27
-0:15
30K
18.64 mi14:53:503:32:2411:2436:48
11:51
+1:24
20M
20.00 mi15:09:103:47:4411:2315:20
11:17
-0:34
21M
21.00 mi15:20:413:59:1511:2411:31
11:31
+0:14
35K
21.75 mi15:29:114:07:4511:248:30
11:22
-0:09
23M
23.00 mi15:43:004:21:3411:2213:49
11:02
-0:20
24M
24.00 mi15:54:184:32:5211:2211:18
11:18
+0:16
40K
24.85 mi16:03:204:41:5411:219:02
10:34
-0:44
25.2M
25.20 mi16:07:334:46:0711:214:13
12:14
+1:40
Finish
26.22 mi16:17:044:55:3811:179:31
9:20
-2:54

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

9:20 /mi

Average Pace

11:17 /mi

Slowest Pace

12:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:10

29% of race

Time at Steady Pace

2:11:50

45% of race

Time at Slower Pace

1:18:38

27% of race

Average Pace: 11:17 /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 mi11:59:0337:3712:0637:37
12:06
#28257
10K
6.21 mi12:35:041:13:3811:5136:01
11:36
#28064
15K
9.32 mi13:10:251:48:5911:4235:21
11:23
#27795
20K
12.43 mi13:44:232:22:5711:3033:58
10:56
#27386
Half
13.11 mi13:51:412:30:1511:287:18
10:42
#27318
25K
15.53 mi14:17:022:55:3611:1825:21
10:27
#26918
30K
18.64 mi14:53:503:32:2411:2436:48
11:51
#26648
20M
20.00 mi15:09:103:47:4411:2315:20
11:17
#26512
21M
21.00 mi15:20:413:59:1511:2411:31
11:31
#26337
35K
21.75 mi15:29:114:07:4511:248:30
11:22
#26291
23M
23.00 mi15:43:004:21:3411:2213:49
11:02
#26155
24M
24.00 mi15:54:184:32:5211:2211:18
11:18
#26098
40K
24.85 mi16:03:204:41:5411:219:02
10:34
#26009
25.2M
25.20 mi16:07:334:46:0711:214:13
12:14
#25992
Finish
26.22 mi16:17:044:55:3811:179:31
9:20
#25883
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi28257121301213027119(Top 95%)11447(Top 94%)11447(Top 209%)
10K6.21 mi3.10 mi28064+19312008+12212008+12227677(Top 97%)11769(Top 96%)11769(Top 215%)
15K9.32 mi3.11 mi27795+26911839+16911839+16927119(Top 95%)11447(Top 94%)11447(Top 209%)
20K12.43 mi3.11 mi27386+40911589+25011589+25025897(Top 91%)10752(Top 88%)10752(Top 197%)
Half13.11 mi0.68 mi27318+6811553+3611553+3626084(Top 92%)10878(Top 89%)10878(Top 199%)
25K15.53 mi2.42 mi26918+40011329+22411329+22424275(Top 85%)9900(Top 81%)9900(Top 181%)
30K18.64 mi3.11 mi26648+27011190+13911190+13925383(Top 89%)10606(Top 87%)10606(Top 194%)
20M20.00 mi1.36 mi26512+13611124+6611124+6624151(Top 85%)10038(Top 82%)10038(Top 184%)
21M21.00 mi1.00 mi26337+17511038+8611038+8622633(Top 80%)9322(Top 76%)9322(Top 170%)
35K21.75 mi0.75 mi26291+4611023+1511023+1524855(Top 88%)10514(Top 86%)10514(Top 192%)
23M23.00 mi1.25 mi26155+13610952+7110952+7123290(Top 82%)9764(Top 80%)9764(Top 179%)
24M24.00 mi1.00 mi26098+5710927+2510927+2524550(Top 86%)10411(Top 85%)10411(Top 190%)
40K24.85 mi0.85 mi26009+8910878+4910878+4922071(Top 78%)9243(Top 76%)9243(Top 169%)
25.2M25.20 mi0.35 mi25992+1710873+510873+523616(Top 83%)9993(Top 82%)9993(Top 183%)
Finish26.22 mi1.02 mi25883+10910834+3910834+3920510(Top 72%)8408(Top 69%)8408(Top 154%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21stories
+97ft-345ft

Overall

27119

Females

11447

F18-39

11447

5K→10K

3.1 - 6.2 mi

Top 97%
×5stories
+79ft-138ft

Overall

27677

Females

11769

F18-39

11769

10K→15K

6.2 - 9.3 mi

Top 95%
×3stories
+67ft-78ft

Overall

27119

Females

11447

F18-39

11447

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

25897

Females

10752

F18-39

10752

20K→Half

12.4 - 13.1 mi

Top 92%
×2stories
+19ft-37ft

Overall

26084

Females

10878

F18-39

10878

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

24275

Females

9900

F18-39

9900

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

25383

Females

10606

F18-39

10606

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

24151

Females

10038

F18-39

10038

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

22633

Females

9322

F18-39

9322

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

24855

Females

10514

F18-39

10514

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

23290

Females

9764

F18-39

9764

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

24550

Females

10411

F18-39

10411

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22071

Females

9243

F18-39

9243

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23616

Females

9993

F18-39

9993

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2stories
+22ft-21ft

Overall

20510

Females

8408

F18-39

8408

Passing Analysis

Category:
Athletes Passed
2403
Passed By
29
Net Change
+2374
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28257
5K → 10K1952+193#28257#28064
10K → 15K2701+269#28064#27795
15K → 20K4090+409#27795#27386
20K → Half691+68#27386#27318
Half → 25K4000+400#27318#26918
25K → 30K2788+270#26918#26648
30K → 20M1393+136#26648#26512
20M → 21M1761+175#26512#26337
21M → 35K515+46#26337#26291
35K → 23M1382+136#26291#26155
23M → 24M614+57#26155#26098
24M → 40K890+89#26098#26009
40K → 25.2M192+17#26009#25992
25.2M → Finish1090+109#25992#25883
TOTALS240329+2374
📊

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