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BOSTON MARATHON 2025

Erin Wilson

Bib: 18387•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 32%
Gender (Female)
#0 / 12228
Top 15%
Division (F18-39)
#0 / 5469
Top 26%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:16
Rank: #12146
Start → 5K
7:29/mi
23:16 split
10K· 6.21 mi
45:34
Rank: #10622 (+1524)
5K → 10K
7:11/mi
22:18 split
15K· 9.32 mi
1:07:56
Rank: #10119 (+503)
10K → 15K
7:12/mi
22:22 split
20K· 12.43 mi
1:30:35
Rank: #9775 (+344)
15K → 20K
7:17/mi
22:39 split
Half· 13.11 mi
1:35:30
Rank: #9743 (+32)
20K → Half
7:12/mi
4:55 split
25K· 15.53 mi
1:53:09
Rank: #9438 (+305)
Half → 25K
7:17/mi
17:39 split
30K· 18.64 mi
2:16:40
Rank: #9122 (+316)
25K → 30K
7:34/mi
23:31 split
20M
2:27:04
Rank: #8990 (+132)
30K → 20M
7:39/mi
10:24 split
21M
2:35:13
Rank: #8914 (+76)
20M → 21M
8:09/mi
8:09 split
35K· 21.75 mi
2:40:44
Rank: #8826 (+88)
21M → 35K
7:22/mi
5:31 split
23M
2:50:41
Rank: #8819 (+7)
35K → 23M
7:57/mi
9:57 split
24M
2:58:35
Rank: #8878 (-59)
23M → 24M
7:54/mi
7:54 split
40K· 24.85 mi
3:05:39
Rank: #8966 (-88)
24M → 40K
8:16/mi
7:04 split
25.2M
3:08:48
Rank: #9034 (-68)
40K → 25.2M
9:08/mi
3:09 split
Finish· 26.22 mi
3:16:36
Rank: #9063 (-29)
25.2M → Finish
7:39/mi
7:48 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:30
Pace7:17 /mi
2nd Half
Distance13.11 mi
Time1:41:06
Pace7:43 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:0123:167:2923:16
7:29
-
10K
6.21 mi11:36:1945:347:2022:18
7:11
-0:18
15K
9.32 mi11:58:411:07:567:1722:22
7:12
+0:01
20K
12.43 mi12:21:201:30:357:1722:39
7:17
+0:05
Half
13.11 mi12:26:151:35:307:174:55
7:12
-0:05
25K
15.53 mi12:43:541:53:097:1717:39
7:17
+0:05
30K
18.64 mi13:07:252:16:407:2023:31
7:34
+0:17
20M
20.00 mi13:17:492:27:047:2110:24
7:39
+0:05
21M
21.00 mi13:25:582:35:137:238:09
8:09
+0:30
35K
21.75 mi13:31:292:40:447:235:31
7:22
-0:47
23M
23.00 mi13:41:262:50:417:259:57
7:57
+0:35
24M
24.00 mi13:49:202:58:357:267:54
7:54
-0:03
40K
24.85 mi13:56:243:05:397:287:04
8:16
+0:22
25.2M
25.20 mi13:59:333:08:487:303:09
9:08
+0:52
Finish
26.22 mi14:07:213:16:367:307:48
7:39
-1:29

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

7:11 /mi

Average Pace

7:30 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:53

46% of race

Time at Steady Pace

1:10:30

36% of race

Time at Slower Pace

36:13

18% of race

Average Pace: 7:30 /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 mi11:14:0123:167:2923:16
7:29
#12146
10K
6.21 mi11:36:1945:347:2022:18
7:11
#10622
15K
9.32 mi11:58:411:07:567:1722:22
7:12
#10119
20K
12.43 mi12:21:201:30:357:1722:39
7:17
#9775
Half
13.11 mi12:26:151:35:307:174:55
7:12
#9743
25K
15.53 mi12:43:541:53:097:1717:39
7:17
#9438
30K
18.64 mi13:07:252:16:407:2023:31
7:34
#9122
20M
20.00 mi13:17:492:27:047:2110:24
7:39
#8990
21M
21.00 mi13:25:582:35:137:238:09
8:09
#8914
35K
21.75 mi13:31:292:40:447:235:31
7:22
#8826
23M
23.00 mi13:41:262:50:417:259:57
7:57
#8819
24M
24.00 mi13:49:202:58:357:267:54
7:54
#8878
40K
24.85 mi13:56:243:05:397:287:04
8:16
#8966
25.2M
25.20 mi13:59:333:08:487:303:09
9:08
#9034
Finish
26.22 mi14:07:213:16:367:307:48
7:39
#9063
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi12146287028709133(Top 32%)1486(Top 12%)1486(Top 27%)
10K6.21 mi3.10 mi10622+15242122+7482122+7489309(Top 33%)1518(Top 12%)1518(Top 28%)
15K9.32 mi3.11 mi10119+5031888+2341888+2349133(Top 32%)1486(Top 12%)1486(Top 27%)
20K12.43 mi3.11 mi9775+3441764+1241764+1248998(Top 32%)1525(Top 12%)1525(Top 28%)
Half13.11 mi0.68 mi9743+321751+131751+139204(Top 32%)1589(Top 13%)1589(Top 29%)
25K15.53 mi2.42 mi9438+3051649+1021649+1028231(Top 29%)1311(Top 11%)1311(Top 24%)
30K18.64 mi3.11 mi9122+3161563+861563+868234(Top 29%)1488(Top 12%)1488(Top 27%)
20M20.00 mi1.36 mi8990+1321536+271536+278076(Top 28%)1570(Top 13%)1570(Top 29%)
21M21.00 mi1.00 mi8914+761540-41540-48281(Top 29%)1840(Top 15%)1840(Top 34%)
35K21.75 mi0.75 mi8826+881522+181522+187777(Top 27%)1600(Top 13%)1600(Top 29%)
23M23.00 mi1.25 mi8819+71560-381560-389640(Top 34%)2559(Top 21%)2559(Top 47%)
24M24.00 mi1.00 mi8878-591622-621622-6210553(Top 37%)3064(Top 25%)3064(Top 56%)
40K24.85 mi0.85 mi8966-881695-731695-7311968(Top 42%)3889(Top 32%)3889(Top 71%)
25.2M25.20 mi0.35 mi9034-681741-461741-4612566(Top 44%)4245(Top 35%)4245(Top 78%)
Finish26.22 mi1.02 mi9063-291798-571798-5710363(Top 36%)3149(Top 26%)3149(Top 58%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

9133

Females

1486

F18-39

1486

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

9309

Females

1518

F18-39

1518

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

9133

Females

1486

F18-39

1486

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

8998

Females

1525

F18-39

1525

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

9204

Females

1589

F18-39

1589

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

8231

Females

1311

F18-39

1311

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

8234

Females

1488

F18-39

1488

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

8076

Females

1570

F18-39

1570

20M→21M

20.0 - 21.0 mi

Top 29%
×8story building
+106ft-24ft

Overall

8281

Females

1840

F18-39

1840

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

7777

Females

1600

F18-39

1600

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9640

Females

2559

F18-39

2559

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

10553

Females

3064

F18-39

3064

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11968

Females

3889

F18-39

3889

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12566

Females

4245

F18-39

4245

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

10363

Females

3149

F18-39

3149

Passing Analysis

Category:
Athletes Passed
3928*
Passed By
845
Net Change
+3083
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12146
5K → 10K153612+1524#12146#10622
10K → 15K51714+503#10622#10119
15K → 20K383*39+344#10119#9775
20K → Half5220+32#9775#9743
Half → 25K32419+305#9743#9438
25K → 30K38569+316#9438#9122
30K → 20M16432+132#9122#8990
20M → 21M13862+76#8990#8914
21M → 35K10517+88#8914#8826
35K → 23M125118+7#8826#8819
23M → 24M58117-59#8819#8878
24M → 40K57145-88#8878#8966
40K → 25.2M2088-68#8966#9034
25.2M → Finish6493-29#9034#9063
TOTALS3928*845+3083

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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