Boston Marathon logo
BOSTON MARATHON 2025

Margaret Muhly

Bib: 20593•F

PA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:29
Rank: #20027
Start → 5K
26:29 | 8:31/mi
10K· 6.21 mi
51:48
Rank: #18843 (+1184)
5K → 10K
25:19 | 8:09/mi
15K· 9.32 mi
1:16:50
Rank: #18058 (+785)
10K → 15K
25:02 | 8:03/mi
20K· 12.43 mi
1:42:39
Rank: #17764 (+294)
15K → 20K
25:49 | 8:19/mi
Half· 13.11 mi
1:48:12
Rank: #17693 (+71)
20K → Half
5:33 | 8:08/mi
25K· 15.53 mi
2:08:06
Rank: #17259 (+434)
Half → 25K
19:54 | 8:12/mi
30K· 18.64 mi
2:35:17
Rank: #17024 (+235)
25K → 30K
27:11 | 8:45/mi
20M
2:47:28
Rank: #16975 (+49)
30K → 20M
12:11 | 8:58/mi
21M
2:57:22
Rank: #16987 (-12)
20M → 21M
9:54 | 9:54/mi
35K· 21.75 mi
3:04:13
Rank: #17072 (-85)
21M → 35K
6:51 | 9:09/mi
23M
3:16:04
Rank: #17186 (-114)
35K → 23M
11:51 | 9:28/mi
24M
3:25:08
Rank: #17202 (-16)
23M → 24M
9:04 | 9:04/mi
40K· 24.85 mi
3:33:00
Rank: #17212 (-10)
24M → 40K
7:52 | 9:12/mi
25.2M
3:36:28
Rank: #17219 (-7)
40K → 25.2M
3:28 | 10:03/mi
Finish· 26.22 mi
3:45:39
Rank: #17303 (-84)
25.2M → Finish
9:11 | 9:01/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
Time1:48:12
Pace8:15 /mi
2nd Half
Distance13.11 mi
Time1:57:27
Pace8:58 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:0126:298:3126:29
8:31
-
10K
6.21 mi11:46:2051:488:2025:19
8:09
-0:22
15K
9.32 mi12:11:221:16:508:1525:02
8:03
-0:06
20K
12.43 mi12:37:111:42:398:1625:49
8:19
+0:16
Half
13.11 mi12:42:441:48:128:155:33
8:08
-0:11
25K
15.53 mi13:02:382:08:068:1519:54
8:12
+0:04
30K
18.64 mi13:29:492:35:178:2027:11
8:45
+0:33
20M
20.00 mi13:42:002:47:288:2212:11
8:58
+0:13
21M
21.00 mi13:51:542:57:228:279:54
9:54
+0:56
35K
21.75 mi13:58:453:04:138:286:51
9:09
-0:45
23M
23.00 mi14:10:363:16:048:3111:51
9:28
+0:19
24M
24.00 mi14:19:403:25:088:339:04
9:04
-0:24
40K
24.85 mi14:27:323:33:008:347:52
9:12
+0:08
25.2M
25.20 mi14:31:003:36:288:353:28
10:03
+0:51
Finish
26.22 mi14:40:113:45:398:379:11
9:01
-1:02

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

8:03 /mi

Average Pace

8:37 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:06

57% of race

Time at Steady Pace

1:12:20

32% of race

Time at Slower Pace

25:13

11% of race

Average Pace: 8:36 /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 mi11:21:0126:298:3126:29
8:31
#20027
10K
6.21 mi11:46:2051:488:2025:19
8:09
#18843
15K
9.32 mi12:11:221:16:508:1525:02
8:03
#18058
20K
12.43 mi12:37:111:42:398:1625:49
8:19
#17764
Half
13.11 mi12:42:441:48:128:155:33
8:08
#17693
25K
15.53 mi13:02:382:08:068:1519:54
8:12
#17259
30K
18.64 mi13:29:492:35:178:2027:11
8:45
#17024
20M
20.00 mi13:42:002:47:288:2212:11
8:58
#16975
21M
21.00 mi13:51:542:57:228:279:54
9:54
#16987
35K
21.75 mi13:58:453:04:138:286:51
9:09
#17072
23M
23.00 mi14:10:363:16:048:3111:51
9:28
#17186
24M
24.00 mi14:19:403:25:088:339:04
9:04
#17202
40K
24.85 mi14:27:323:33:008:347:52
9:12
#17212
25.2M
25.20 mi14:31:003:36:288:353:28
10:03
#17219
Finish
26.22 mi14:40:113:45:398:379:11
9:01
#17303
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi200277511751116482(Top 58%)5425(Top 44%)5425(Top 299%)
10K6.21 mi3.10 mi18843+11846814+6976814+69717551(Top 62%)6032(Top 49%)6032(Top 333%)
15K9.32 mi3.11 mi18058+7856368+4466368+44616482(Top 58%)5425(Top 44%)5425(Top 299%)
20K12.43 mi3.11 mi17764+2946201+1676201+16717002(Top 60%)5776(Top 47%)5776(Top 319%)
Half13.11 mi0.68 mi17693+716149+526149+5216931(Top 60%)5734(Top 47%)5734(Top 316%)
25K15.53 mi2.42 mi17259+4345919+2305919+23015387(Top 54%)4946(Top 40%)4946(Top 273%)
30K18.64 mi3.11 mi17024+2355832+875832+8716304(Top 57%)5637(Top 46%)5637(Top 311%)
20M20.00 mi1.36 mi16975+495826+65826+616632(Top 59%)5940(Top 49%)5940(Top 328%)
21M21.00 mi1.00 mi16987-125871-455871-4517910(Top 63%)6740(Top 55%)6740(Top 372%)
35K21.75 mi0.75 mi17072-855950-795950-7918999(Top 67%)7450(Top 61%)7450(Top 411%)
23M23.00 mi1.25 mi17186-1146044-946044-9418538(Top 65%)7254(Top 59%)7254(Top 400%)
24M24.00 mi1.00 mi17202-166078-346078-3417706(Top 62%)6872(Top 56%)6872(Top 379%)
40K24.85 mi0.85 mi17212-106113-356113-3517365(Top 61%)6783(Top 55%)6783(Top 374%)
25.2M25.20 mi0.35 mi17219-76125-126125-1217294(Top 61%)6744(Top 55%)6744(Top 372%)
Finish26.22 mi1.02 mi17303-846190-656190-6519124(Top 67%)7674(Top 63%)7674(Top 423%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

16482

Females

5425

F45-49

5425

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

17551

Females

6032

F45-49

6032

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

16482

Females

5425

F45-49

5425

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

17002

Females

5776

F45-49

5776

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

16931

Females

5734

F45-49

5734

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

15387

Females

4946

F45-49

4946

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

16304

Females

5637

F45-49

5637

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

16632

Females

5940

F45-49

5940

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

17910

Females

6740

F45-49

6740

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

18999

Females

7450

F45-49

7450

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

18538

Females

7254

F45-49

7254

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

17706

Females

6872

F45-49

6872

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17365

Females

6783

F45-49

6783

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

17294

Females

6744

F45-49

6744

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

19124

Females

7674

F45-49

7674

Passing Analysis

Category:
Athletes Passed
3786
Passed By
1062
Net Change
+2724
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20027
5K → 10K120925+1184#20027#18843
10K → 15K79813+785#18843#18058
15K → 20K34955+294#18058#17764
20K → Half798+71#17764#17693
Half → 25K4428+434#17693#17259
25K → 30K33297+235#17259#17024
30K → 20M12172+49#17024#16975
20M → 21M116128-12#16975#16987
21M → 35K43128-85#16987#17072
35K → 23M83197-114#17072#17186
23M → 24M7793-16#17186#17202
24M → 40K6272-10#17202#17212
40K → 25.2M3441-7#17212#17219
25.2M → Finish41125-84#17219#17303
TOTALS37861062+2724
📊

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