Boston Marathon logo
BOSTON MARATHON 2025

Fidelma Crowe

Bib: 22112•F

GA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:16
Rank: #17613
Start → 5K
25:16 | 8:08/mi
10K· 6.21 mi
51:03
Rank: #18088 (-475)
5K → 10K
25:47 | 8:18/mi
15K· 9.32 mi
1:17:33
Rank: #18540 (-452)
10K → 15K
26:30 | 8:32/mi
20K· 12.43 mi
1:44:51
Rank: #18884 (-344)
15K → 20K
27:18 | 8:47/mi
Half· 13.11 mi
1:50:48
Rank: #18973 (-89)
20K → Half
5:57 | 8:43/mi
25K· 15.53 mi
2:12:30
Rank: #19092 (-119)
Half → 25K
21:42 | 8:57/mi
30K· 18.64 mi
2:41:43
Rank: #19207 (-115)
25K → 30K
29:13 | 9:24/mi
20M
2:54:43
Rank: #19211 (-4)
30K → 20M
13:00 | 9:34/mi
21M
3:05:09
Rank: #19270 (-59)
20M → 21M
10:26 | 10:26/mi
35K· 21.75 mi
3:12:01
Rank: #19271 (-1)
21M → 35K
6:52 | 9:11/mi
23M
3:24:11
Rank: #19296 (-25)
35K → 23M
12:10 | 9:43/mi
24M
3:33:39
Rank: #19307 (-11)
23M → 24M
9:28 | 9:28/mi
40K· 24.85 mi
3:42:04
Rank: #19341 (-34)
24M → 40K
8:25 | 9:51/mi
25.2M
3:45:50
Rank: #19351 (-10)
40K → 25.2M
3:46 | 10:55/mi
Finish· 26.22 mi
3:55:35
Rank: #19467 (-116)
25.2M → Finish
9:45 | 9:34/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
Time1:50:48
Pace8:27 /mi
2nd Half
Distance13.11 mi
Time2:04:47
Pace9:31 /mi
📊Positive Split: 12.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:4725:168:0825:16
8:08
-
10K
6.21 mi11:45:3451:038:1325:47
8:18
+0:10
15K
9.32 mi12:12:041:17:338:1926:30
8:32
+0:14
20K
12.43 mi12:39:221:44:518:2627:18
8:47
+0:15
Half
13.11 mi12:45:191:50:488:275:57
8:43
-0:04
25K
15.53 mi13:07:012:12:308:3221:42
8:57
+0:14
30K
18.64 mi13:36:142:41:438:4129:13
9:24
+0:27
20M
20.00 mi13:49:142:54:438:4413:00
9:34
+0:10
21M
21.00 mi13:59:403:05:098:4910:26
10:26
+0:52
35K
21.75 mi14:06:323:12:018:506:52
9:11
-1:15
23M
23.00 mi14:18:423:24:118:5312:10
9:43
+0:32
24M
24.00 mi14:28:103:33:398:549:28
9:28
-0:15
40K
24.85 mi14:36:353:42:048:568:25
9:51
+0:23
25.2M
25.20 mi14:40:213:45:508:583:46
10:55
+1:04
Finish
26.22 mi14:50:063:55:359:009:45
9:34
-1:21

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

8:08 /mi

Average Pace

9:00 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:30

56% of race

Time at Steady Pace

1:20:28

34% of race

Time at Slower Pace

22:37

10% of race

Average Pace: 8:59 /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 mi11:19:4725:168:0825:16
8:08
#17613
10K
6.21 mi11:45:3451:038:1325:47
8:18
#18088
15K
9.32 mi12:12:041:17:338:1926:30
8:32
#18540
20K
12.43 mi12:39:221:44:518:2627:18
8:47
#18884
Half
13.11 mi12:45:191:50:488:275:57
8:43
#18973
25K
15.53 mi13:07:012:12:308:3221:42
8:57
#19092
30K
18.64 mi13:36:142:41:438:4129:13
9:24
#19207
20M
20.00 mi13:49:142:54:438:4413:00
9:34
#19211
21M
21.00 mi13:59:403:05:098:4910:26
10:26
#19270
35K
21.75 mi14:06:323:12:018:506:52
9:11
#19271
23M
23.00 mi14:18:423:24:118:5312:10
9:43
#19296
24M
24.00 mi14:28:103:33:398:549:28
9:28
#19307
40K
24.85 mi14:36:353:42:048:568:25
9:51
#19341
25.2M
25.20 mi14:40:213:45:508:583:46
10:55
#19351
Finish
26.22 mi14:50:063:55:359:009:45
9:34
#19467
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi176136106610619517(Top 69%)7183(Top 59%)7183(Top 551%)
10K6.21 mi3.10 mi18088-4756383-2776383-27718564(Top 65%)6633(Top 54%)6633(Top 509%)
15K9.32 mi3.11 mi18540-4526647-2646647-26419517(Top 69%)7183(Top 59%)7183(Top 551%)
20K12.43 mi3.11 mi18884-3446835-1886835-18819878(Top 70%)7418(Top 61%)7418(Top 569%)
Half13.11 mi0.68 mi18973-896893-586893-5820507(Top 72%)7755(Top 63%)7755(Top 595%)
25K15.53 mi2.42 mi19092-1196968-756968-7519689(Top 69%)7358(Top 60%)7358(Top 565%)
30K18.64 mi3.11 mi19207-1157078-1107078-11019554(Top 69%)7422(Top 61%)7422(Top 570%)
20M20.00 mi1.36 mi19211-47100-227100-2219488(Top 69%)7516(Top 61%)7516(Top 577%)
21M21.00 mi1.00 mi19270-597153-537153-5319808(Top 70%)7801(Top 64%)7801(Top 599%)
35K21.75 mi0.75 mi19271-17169-167169-1619112(Top 67%)7507(Top 61%)7507(Top 576%)
23M23.00 mi1.25 mi19296-257219-507219-5019518(Top 69%)7796(Top 64%)7796(Top 598%)
24M24.00 mi1.00 mi19307-117251-327251-3219520(Top 69%)7834(Top 64%)7834(Top 601%)
40K24.85 mi0.85 mi19341-347286-357286-3519950(Top 70%)8129(Top 66%)8129(Top 624%)
25.2M25.20 mi0.35 mi19351-107307-217307-2120411(Top 72%)8359(Top 68%)8359(Top 642%)
Finish26.22 mi1.02 mi19467-1167392-857392-8521440(Top 75%)8878(Top 73%)8878(Top 681%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

19517

Females

7183

F50-54

7183

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

18564

Females

6633

F50-54

6633

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

19517

Females

7183

F50-54

7183

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

19878

Females

7418

F50-54

7418

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

20507

Females

7755

F50-54

7755

Half→25K

13.1 - 15.5 mi

Top 69%
×4stories
+66ft-88ft

Overall

19689

Females

7358

F50-54

7358

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

19554

Females

7422

F50-54

7422

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

19488

Females

7516

F50-54

7516

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

19808

Females

7801

F50-54

7801

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

19112

Females

7507

F50-54

7507

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

19518

Females

7796

F50-54

7796

23M→24M

23.0 - 24.0 mi

Top 69%
×6stories
+12ft-82ft

Overall

19520

Females

7834

F50-54

7834

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

19950

Females

8129

F50-54

8129

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

20411

Females

8359

F50-54

8359

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

21440

Females

8878

F50-54

8878

Passing Analysis

Category:
Athletes Passed
1135
Passed By
2989
Net Change
-1854
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17613
5K → 10K125600-475#17613#18088
10K → 15K71523-452#18088#18540
15K → 20K103447-344#18540#18884
20K → Half998-89#18884#18973
Half → 25K134253-119#18973#19092
25K → 30K188303-115#19092#19207
30K → 20M109113-4#19207#19211
20M → 21M76135-59#19211#19270
21M → 35K5455-1#19270#19271
35K → 23M90115-25#19271#19296
23M → 24M6475-11#19296#19307
24M → 40K4882-34#19307#19341
40K → 25.2M3343-10#19341#19351
25.2M → Finish31147-116#19351#19467
TOTALS11352989-1854
📊

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