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BOSTON MARATHON 2025

Erica Morin

Bib: 31725•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
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
9:43/mi
30:12
↑ 97↓ 3451.5%
10K· 6.21 mi
10:01/mi
1:01:19
↑ 79↓ 1380.4%
15K· 9.32 mi
10:04/mi
1:32:37
↑ 67↓ 78
20K· 12.43 mi
10:20/mi
2:04:42
↑ 106↓ 860.1%
Half· 13.11 mi
10:24/mi
2:11:48
↑ 19↓ 370.5%
25K· 15.53 mi
10:38/mi
2:37:35
↑ 66↓ 880.2%
30K· 18.64 mi
11:20/mi
3:12:47
↑ 181↓ 1480.2%
20M
11:25/mi
3:28:18
↑ 64↓ 500.2%
21M
12:26/mi
3:40:44
↑ 106↓ 241.6%
35K· 21.75 mi
10:58/mi
3:48:56
↑ 17↓ 861.7%
23M
11:07/mi
4:02:51
↑ 23↓ 630.6%
24M
10:51/mi
4:13:42
↓ 821.3%
40K· 24.85 mi
10:56/mi
4:23:03
↓ 200.3%
25.2M
11:56/mi
4:27:10
↑ 13↓ 160.2%
Finish· 26.22 mi
10:05/mi
4:37:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:48
Pace10:03 /mi
2nd Half
Distance13.11 mi
Time2:25:39
Pace11:07 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:2930:129:4330:12
9:43
-
10K
6.21 mi12:24:361:01:199:5231:07
10:01
+0:18
15K
9.32 mi12:55:541:32:379:5631:18
10:04
+0:03
20K
12.43 mi13:27:592:04:4210:0232:05
10:20
+0:16
Half
13.11 mi13:35:052:11:4810:037:06
10:24
+0:04
25K
15.53 mi14:00:522:37:3510:0925:47
10:38
+0:14
30K
18.64 mi14:36:043:12:4710:2135:12
11:20
+0:42
20M
20.00 mi14:51:353:28:1810:2515:31
11:25
+0:05
21M
21.00 mi15:04:013:40:4410:3112:26
12:26
+1:01
35K
21.75 mi15:12:133:48:5610:328:12
10:58
-1:28
23M
23.00 mi15:26:084:02:5110:3413:55
11:07
+0:09
24M
24.00 mi15:36:594:13:4210:3410:51
10:51
-0:16
40K
24.85 mi15:46:204:23:0310:359:21
10:56
+0:05
25.2M
25.20 mi15:50:274:27:1010:364:07
11:56
+1:00
Finish
26.22 mi16:00:444:37:2710:3510:17
10:05
-1:51

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

9:43 /mi

Average Pace

10:35 /mi

Slowest Pace

12:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:05

51% of race

Time at Steady Pace

1:08:06

25% of race

Time at Slower Pace

1:07:16

24% of race

Average Pace: 10:35 /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 mi11:53:2930:129:4330:12
9:43
#24885
10K
6.21 mi12:24:361:01:199:5231:07
10:01
#25110
15K
9.32 mi12:55:541:32:379:5631:18
10:04
#25136
20K
12.43 mi13:27:592:04:4210:0232:05
10:20
#25092
Half
13.11 mi13:35:052:11:4810:037:06
10:24
#25123
25K
15.53 mi14:00:522:37:3510:0925:47
10:38
#25015
30K
18.64 mi14:36:043:12:4710:2135:12
11:20
#24955
20M
20.00 mi14:51:353:28:1810:2515:31
11:25
#24911
21M
21.00 mi15:04:013:40:4410:3112:26
12:26
#24880
35K
21.75 mi15:12:133:48:5610:328:12
10:58
#24862
23M
23.00 mi15:26:084:02:5110:3413:55
11:07
#24809
24M
24.00 mi15:36:594:13:4210:3410:51
10:51
#24766
40K
24.85 mi15:46:204:23:0310:359:21
10:56
#24709
25.2M
25.20 mi15:50:274:27:1010:364:07
11:56
#24691
Finish
26.22 mi16:00:444:37:2710:3510:17
10:05
#24648
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi24885101531015325138(Top 89%)10300(Top 84%)10300(Top 600%)
10K6.21 mi3.10 mi25110-22510284-13110284-13125350(Top 89%)10431(Top 85%)10431(Top 607%)
15K9.32 mi3.11 mi25136-2610300-1610300-1625138(Top 89%)10300(Top 84%)10300(Top 600%)
20K12.43 mi3.11 mi25092+4410281+1910281+1924874(Top 88%)10192(Top 83%)10192(Top 593%)
Half13.11 mi0.68 mi25123-3110301-2010301-2025608(Top 90%)10602(Top 87%)10602(Top 617%)
25K15.53 mi2.42 mi25015+10810256+4510256+4524600(Top 87%)10072(Top 82%)10072(Top 586%)
30K18.64 mi3.11 mi24955+6010253+310253+324592(Top 87%)10175(Top 83%)10175(Top 592%)
20M20.00 mi1.36 mi24911+4410249+410249+424392(Top 86%)10164(Top 83%)10164(Top 592%)
21M21.00 mi1.00 mi24880+3110244+510244+524296(Top 86%)10182(Top 83%)10182(Top 593%)
35K21.75 mi0.75 mi24862+1810238+610238+624092(Top 85%)10114(Top 83%)10114(Top 589%)
23M23.00 mi1.25 mi24809+5310225+1310225+1323470(Top 83%)9836(Top 80%)9836(Top 573%)
24M24.00 mi1.00 mi24766+4310216+910216+923653(Top 83%)9957(Top 81%)9957(Top 580%)
40K24.85 mi0.85 mi24709+5710199+1710199+1722970(Top 81%)9688(Top 79%)9688(Top 564%)
25.2M25.20 mi0.35 mi24691+1810193+610193+623039(Top 81%)9682(Top 79%)9682(Top 564%)
Finish26.22 mi1.02 mi24648+4310176+1710176+1723171(Top 82%)9758(Top 80%)9758(Top 568%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

25138

Females

10300

F40-44

10300

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

25350

Females

10431

F40-44

10431

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

25138

Females

10300

F40-44

10300

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

24874

Females

10192

F40-44

10192

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

25608

Females

10602

F40-44

10602

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

24600

Females

10072

F40-44

10072

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

24592

Females

10175

F40-44

10175

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

24392

Females

10164

F40-44

10164

20M→21M

20.0 - 21.0 mi

Top 86%
×8story building
+106ft-24ft

Overall

24296

Females

10182

F40-44

10182

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

24092

Females

10114

F40-44

10114

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

23470

Females

9836

F40-44

9836

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

23653

Females

9957

F40-44

9957

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

22970

Females

9688

F40-44

9688

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

23039

Females

9682

F40-44

9682

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2story building
+22ft-21ft

Overall

23171

Females

9758

F40-44

9758

Passing Analysis

Category:
Athletes Passed
1175
Passed By
938
Net Change
+237
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24885
5K → 10K108333-225#24885#25110
10K → 15K131157-26#25110#25136
15K → 20K151107+44#25136#25092
20K → Half1445-31#25092#25123
Half → 25K16153+108#25123#25015
25K → 30K15292+60#25015#24955
30K → 20M7329+44#24955#24911
20M → 21M7039+31#24911#24880
21M → 35K4527+18#24880#24862
35K → 23M6916+53#24862#24809
23M → 24M6219+43#24809#24766
24M → 40K647+57#24766#24709
40K → 25.2M224+18#24709#24691
25.2M → Finish5310+43#24691#24648
TOTALS1175938+237
📊

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