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BOSTON MARATHON 2025

Mary Walsh

MA

Bib: 31873 F

0:00
0:00
/ mi
Masters
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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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:38/mi
29:57
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:41/mi
1:00:02
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:49/mi
1:30:33
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
10:11/mi
2:02:12
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:40/mi
2:08:48
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:22/mi
2:33:56
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:28/mi
3:06:26
↑ 181↓ 1480.2%
138 ft elev
20M
10:45/mi
3:21:03
↑ 64↓ 500.2%
148 ft elev
21M
11:25/mi
3:32:28
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
10:01/mi
3:39:58
↑ 17↓ 861.7%
156 ft elev
23M
10:41/mi
3:53:20
↑ 23↓ 630.6%
116 ft elev
24M
9:59/mi
4:03:19
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:02/mi
4:11:54
↓ 200.3%
20 ft elev
25.2M
10:38/mi
4:15:34
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:16/mi
4:25:01
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:48
Pace9:49 /mi
2nd Half
Distance13.11 mi
Time2:16:13
Pace10:23 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:0929:579:3829:57
9:38
-
10K
6.21 mi12:25:141:00:029:4030:05
9:41
+0:03
15K
9.32 mi12:55:451:30:339:4330:31
9:49
+0:08
20K
12.43 mi13:27:242:02:129:5031:39
10:11
+0:22
Half
13.11 mi13:34:002:08:489:496:36
9:40
-0:31
25K
15.53 mi13:59:082:33:569:5525:08
10:22
+0:42
30K
18.64 mi14:31:383:06:2610:0032:30
10:28
+0:06
20M
20.00 mi14:46:153:21:0310:0314:37
10:45
+0:17
21M
21.00 mi14:57:403:32:2810:0711:25
11:25
+0:40
35K
21.75 mi15:05:103:39:5810:077:30
10:01
-1:24
23M
23.00 mi15:18:323:53:2010:0913:22
10:41
+0:40
24M
24.00 mi15:28:314:03:1910:089:59
9:59
-0:42
40K
24.85 mi15:37:064:11:5410:088:35
10:02
+0:03
25.2M
25.20 mi15:40:464:15:3410:083:40
10:38
+0:36
Finish
26.22 mi15:50:134:25:0110:079:27
9:16
-1:22

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

9:16 /mi

Average Pace

10:07 /mi

Slowest Pace

11:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:05

29% of race

Time at Steady Pace

1:28:14

33% of race

Time at Slower Pace

1:40:42

38% of race

Average Pace: 10:06 /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 mi11:55:0929:579:3829:57
9:38
#24662
10K
6.21 mi12:25:141:00:029:4030:05
9:41
#24639
15K
9.32 mi12:55:451:30:339:4330:31
9:49
#24618
20K
12.43 mi13:27:242:02:129:5031:39
10:11
#24611
Half
13.11 mi13:34:002:08:489:496:36
9:40
#24587
25K
15.53 mi13:59:082:33:569:5525:08
10:22
#24515
30K
18.64 mi14:31:383:06:2610:0032:30
10:28
#24232
20M
20.00 mi14:46:153:21:0310:0314:37
10:45
#24122
21M
21.00 mi14:57:403:32:2810:0711:25
11:25
#24041
35K
21.75 mi15:05:103:39:5810:077:30
10:01
#23968
23M
23.00 mi15:18:323:53:2010:0913:22
10:41
#23861
24M
24.00 mi15:28:314:03:1910:089:59
9:59
#23767
40K
24.85 mi15:37:064:11:5410:088:35
10:02
#23669
25.2M
25.20 mi15:40:464:15:3410:083:40
10:38
#23620
Finish
26.22 mi15:50:134:25:0110:079:27
9:16
#23492
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi24662100421004224599(Top 87%)10005(Top 82%)10005(Top 768%)
10K6.21 mi3.10 mi24639+2310028+1410028+1424573(Top 87%)9998(Top 82%)9998(Top 767%)
15K9.32 mi3.11 mi24618+2110024+410024+424599(Top 87%)10005(Top 82%)10005(Top 768%)
20K12.43 mi3.11 mi24611+710026-210026-224611(Top 87%)10054(Top 82%)10054(Top 772%)
Half13.11 mi0.68 mi24587+2410019+710019+724049(Top 85%)9732(Top 80%)9732(Top 747%)
25K15.53 mi2.42 mi24515+729990+299990+2924108(Top 85%)9800(Top 80%)9800(Top 752%)
30K18.64 mi3.11 mi24232+2839853+1379853+13722855(Top 80%)9242(Top 76%)9242(Top 709%)
20M20.00 mi1.36 mi24122+1109825+289825+2823091(Top 81%)9466(Top 77%)9466(Top 726%)
21M21.00 mi1.00 mi24041+819791+349791+3422449(Top 79%)9220(Top 75%)9220(Top 708%)
35K21.75 mi0.75 mi23968+739766+259766+2521984(Top 77%)9030(Top 74%)9030(Top 693%)
23M23.00 mi1.25 mi23861+1079725+419725+4122482(Top 79%)9331(Top 76%)9331(Top 716%)
24M24.00 mi1.00 mi23767+949685+409685+4021349(Top 75%)8783(Top 72%)8783(Top 674%)
40K24.85 mi0.85 mi23669+989653+329653+3220598(Top 73%)8466(Top 69%)8466(Top 650%)
25.2M25.20 mi0.35 mi23620+499635+189635+1819568(Top 69%)7955(Top 65%)7955(Top 611%)
Finish26.22 mi1.02 mi23492+1289582+539582+5320307(Top 71%)8305(Top 68%)8305(Top 637%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

24599

Females

10005

F50-54

10005

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

24573

Females

9998

F50-54

9998

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

24599

Females

10005

F50-54

10005

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

24611

Females

10054

F50-54

10054

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

24049

Females

9732

F50-54

9732

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

24108

Females

9800

F50-54

9800

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

22855

Females

9242

F50-54

9242

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

23091

Females

9466

F50-54

9466

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

22449

Females

9220

F50-54

9220

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

21984

Females

9030

F50-54

9030

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

22482

Females

9331

F50-54

9331

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

21349

Females

8783

F50-54

8783

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20598

Females

8466

F50-54

8466

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19568

Females

7955

F50-54

7955

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

20307

Females

8305

F50-54

8305

Passing Analysis

Category:
Athletes Passed
1801
Passed By
631
Net Change
+1170
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24662
5K → 10K209186+23#24662#24639
10K → 15K152131+21#24639#24618
15K → 20K138131+7#24618#24611
20K → Half3511+24#24611#24587
Half → 25K13563+72#24587#24515
25K → 30K31330+283#24515#24232
30K → 20M12818+110#24232#24122
20M → 21M10322+81#24122#24041
21M → 35K807+73#24041#23968
35K → 23M12619+107#23968#23861
23M → 24M984+94#23861#23767
24M → 40K1035+98#23767#23669
40K → 25.2M490+49#23669#23620
25.2M → Finish1324+128#23620#23492
TOTALS1801631+1170
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing