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BOSTON MARATHON 2025

Robin Walters

Bib: 21242•F

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
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
9:21/mi
29:04
↑ 97↓ 3451.5%
10K· 6.21 mi
9:14/mi
57:46
↑ 79↓ 1380.4%
15K· 9.32 mi
9:01/mi
1:25:46
↑ 67↓ 78
20K· 12.43 mi
9:14/mi
1:54:28
↑ 106↓ 860.1%
Half· 13.11 mi
9:20/mi
2:00:50
↑ 19↓ 370.5%
25K· 15.53 mi
9:25/mi
2:23:39
↑ 66↓ 880.2%
30K· 18.64 mi
10:02/mi
2:54:49
↑ 181↓ 1480.2%
20M
10:11/mi
3:08:39
↑ 64↓ 500.2%
21M
11:39/mi
3:20:18
↑ 106↓ 241.6%
35K· 21.75 mi
9:40/mi
3:27:32
↑ 17↓ 861.7%
23M
10:18/mi
3:40:26
↑ 23↓ 630.6%
24M
9:46/mi
3:50:12
↓ 821.3%
40K· 24.85 mi
10:15/mi
3:58:58
↓ 200.3%
25.2M
11:50/mi
4:03:03
↑ 13↓ 160.2%
Finish· 26.22 mi
10:11/mi
4:13:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:50
Pace9:13 /mi
2nd Half
Distance13.11 mi
Time2:12:36
Pace10:07 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:5529:049:2129:04
9:21
-
10K
6.21 mi11:51:3757:469:1828:42
9:14
-0:07
15K
9.32 mi12:19:371:25:469:1228:00
9:01
-0:13
20K
12.43 mi12:48:191:54:289:1328:42
9:14
+0:13
Half
13.11 mi12:54:412:00:509:136:22
9:20
+0:06
25K
15.53 mi13:17:302:23:399:1522:49
9:25
+0:05
30K
18.64 mi13:48:402:54:499:2331:10
10:02
+0:37
20M
20.00 mi14:02:303:08:399:2613:50
10:11
+0:09
21M
21.00 mi14:14:093:20:189:3211:39
11:39
+1:28
35K
21.75 mi14:21:233:27:329:337:14
9:40
-1:59
23M
23.00 mi14:34:173:40:269:3512:54
10:18
+0:38
24M
24.00 mi14:44:033:50:129:369:46
9:46
-0:32
40K
24.85 mi14:52:493:58:589:378:46
10:15
+0:29
25.2M
25.20 mi14:56:544:03:039:394:05
11:50
+1:35
Finish
26.22 mi15:07:174:13:269:4010:23
10:11
-1:39

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

9:01 /mi

Average Pace

9:40 /mi

Slowest Pace

11:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:50

48% of race

Time at Steady Pace

1:10:59

28% of race

Time at Slower Pace

1:01:37

24% of race

Average Pace: 9:40 /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 mi11:22:5529:049:2129:04
9:21
#23762
10K
6.21 mi11:51:3757:469:1828:42
9:14
#23551
15K
9.32 mi12:19:371:25:469:1228:00
9:01
#23124
20K
12.43 mi12:48:191:54:289:1328:42
9:14
#22837
Half
13.11 mi12:54:412:00:509:136:22
9:20
#22848
25K
15.53 mi13:17:302:23:399:1522:49
9:25
#22600
30K
18.64 mi13:48:402:54:499:2331:10
10:02
#22424
20M
20.00 mi14:02:303:08:399:2613:50
10:11
#22356
21M
21.00 mi14:14:093:20:189:3211:39
11:39
#22371
35K
21.75 mi14:21:233:27:329:337:14
9:40
#22318
23M
23.00 mi14:34:173:40:269:3512:54
10:18
#22227
24M
24.00 mi14:44:033:50:129:369:46
9:46
#22161
40K
24.85 mi14:52:493:58:589:378:46
10:15
#22131
25.2M
25.20 mi14:56:544:03:039:394:05
11:50
#22145
Finish
26.22 mi15:07:174:13:269:4010:23
10:11
#22172
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi237629562956222111(Top 78%)8618(Top 70%)8618(Top 475%)
10K6.21 mi3.10 mi23551+2119453+1099453+10923334(Top 82%)9313(Top 76%)9313(Top 514%)
15K9.32 mi3.11 mi23124+4279198+2559198+25522111(Top 78%)8618(Top 70%)8618(Top 475%)
20K12.43 mi3.11 mi22837+2879029+1699029+16922043(Top 78%)8609(Top 70%)8609(Top 475%)
Half13.11 mi0.68 mi22848-119037-89037-823082(Top 81%)9195(Top 75%)9195(Top 507%)
25K15.53 mi2.42 mi22600+2488923+1148923+11421595(Top 76%)8422(Top 69%)8422(Top 465%)
30K18.64 mi3.11 mi22424+1768868+558868+5521692(Top 76%)8610(Top 70%)8610(Top 475%)
20M20.00 mi1.36 mi22356+688850+188850+1821522(Top 76%)8640(Top 71%)8640(Top 477%)
21M21.00 mi1.00 mi22371-158873-238873-2322927(Top 81%)9459(Top 77%)9459(Top 522%)
35K21.75 mi0.75 mi22318+538861+128861+1220930(Top 74%)8473(Top 69%)8473(Top 467%)
23M23.00 mi1.25 mi22227+918845+168845+1621436(Top 75%)8781(Top 72%)8781(Top 484%)
24M24.00 mi1.00 mi22161+668828+178828+1720636(Top 73%)8417(Top 69%)8417(Top 464%)
40K24.85 mi0.85 mi22131+308833-58833-521258(Top 75%)8798(Top 72%)8798(Top 485%)
25.2M25.20 mi0.35 mi22145-148846-138846-1322913(Top 81%)9613(Top 79%)9613(Top 530%)
Finish26.22 mi1.02 mi22172-278878-328878-3223504(Top 83%)9926(Top 81%)9926(Top 547%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

22111

Females

8618

F45-49

8618

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

23334

Females

9313

F45-49

9313

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

22111

Females

8618

F45-49

8618

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

22043

Females

8609

F45-49

8609

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

23082

Females

9195

F45-49

9195

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

21595

Females

8422

F45-49

8422

25K→30K

15.5 - 18.6 mi

Top 76%
×9story building
+181ft-148ft

Overall

21692

Females

8610

F45-49

8610

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

21522

Females

8640

F45-49

8640

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

22927

Females

9459

F45-49

9459

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

20930

Females

8473

F45-49

8473

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

21436

Females

8781

F45-49

8781

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

20636

Females

8417

F45-49

8417

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21258

Females

8798

F45-49

8798

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

22913

Females

9613

F45-49

9613

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

23504

Females

9926

F45-49

9926

Passing Analysis

Category:
Athletes Passed
2279
Passed By
689
Net Change
+1590
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23762
5K → 10K357146+211#23762#23551
10K → 15K46336+427#23551#23124
15K → 20K33346+287#23124#22837
20K → Half2334-11#22837#22848
Half → 25K27830+248#22848#22600
25K → 30K26791+176#22600#22424
30K → 20M10638+68#22424#22356
20M → 21M7287-15#22356#22371
21M → 35K6613+53#22371#22318
35K → 23M12029+91#22318#22227
23M → 24M7812+66#22227#22161
24M → 40K6333+30#22161#22131
40K → 25.2M1630-14#22131#22145
25.2M → Finish3764-27#22145#22172
TOTALS2279689+1590
📊

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