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BOSTON MARATHON 2025

Sophia West

Bib: 26991•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
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
9:35/mi
29:45
↑ 97↓ 3451.5%
10K· 6.21 mi
9:11/mi
58:16
↑ 79↓ 1380.4%
15K· 9.32 mi
9:14/mi
1:26:57
↑ 67↓ 78
20K· 12.43 mi
9:36/mi
1:56:48
↑ 106↓ 860.1%
Half· 13.11 mi
9:23/mi
2:03:12
↑ 19↓ 370.5%
25K· 15.53 mi
10:03/mi
2:27:34
↑ 66↓ 880.2%
30K· 18.64 mi
10:20/mi
2:59:40
↑ 181↓ 1480.2%
20M
10:33/mi
3:14:00
↑ 64↓ 500.2%
21M
11:20/mi
3:25:20
↑ 106↓ 241.6%
35K· 21.75 mi
9:39/mi
3:32:33
↑ 17↓ 861.7%
23M
10:49/mi
3:46:06
↑ 23↓ 630.6%
24M
10:49/mi
3:56:55
↓ 821.3%
40K· 24.85 mi
10:34/mi
4:05:57
↓ 200.3%
25.2M
11:30/mi
4:09:55
↑ 13↓ 160.2%
Finish· 26.22 mi
9:31/mi
4:19:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:12
Pace9:24 /mi
2nd Half
Distance13.11 mi
Time2:16:25
Pace10:24 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:5729:459:3529:45
9:35
-
10K
6.21 mi12:22:2858:169:2328:31
9:11
-0:24
15K
9.32 mi12:51:091:26:579:2028:41
9:14
+0:03
20K
12.43 mi13:21:001:56:489:2429:51
9:36
+0:22
Half
13.11 mi13:27:242:03:129:246:24
9:23
-0:13
25K
15.53 mi13:51:462:27:349:3024:22
10:03
+0:40
30K
18.64 mi14:23:522:59:409:3832:06
10:20
+0:17
20M
20.00 mi14:38:123:14:009:4214:20
10:33
+0:13
21M
21.00 mi14:49:323:25:209:4711:20
11:20
+0:47
35K
21.75 mi14:56:453:32:339:467:13
9:39
-1:41
23M
23.00 mi15:10:183:46:069:5013:33
10:49
+1:10
24M
24.00 mi15:21:073:56:559:5210:49
10:49
0:00
40K
24.85 mi15:30:094:05:579:549:02
10:34
-0:15
25.2M
25.20 mi15:34:074:09:559:553:58
11:30
+0:56
Finish
26.22 mi15:43:494:19:379:559:42
9:31
-1:59

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

9:11 /mi

Average Pace

9:55 /mi

Slowest Pace

11:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:07

54% of race

Time at Steady Pace

56:28

22% of race

Time at Slower Pace

1:03:02

24% of race

Average Pace: 9:54 /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 mi11:53:5729:459:3529:45
9:35
#24492
10K
6.21 mi12:22:2858:169:2328:31
9:11
#23815
15K
9.32 mi12:51:091:26:579:2028:41
9:14
#23544
20K
12.43 mi13:21:001:56:489:2429:51
9:36
#23461
Half
13.11 mi13:27:242:03:129:246:24
9:23
#23440
25K
15.53 mi13:51:462:27:349:3024:22
10:03
#23418
30K
18.64 mi14:23:522:59:409:3832:06
10:20
#23214
20M
20.00 mi14:38:123:14:009:4214:20
10:33
#23153
21M
21.00 mi14:49:323:25:209:4711:20
11:20
#23087
35K
21.75 mi14:56:453:32:339:467:13
9:39
#23004
23M
23.00 mi15:10:183:46:069:5013:33
10:49
#22989
24M
24.00 mi15:21:073:56:559:5210:49
10:49
#23032
40K
24.85 mi15:30:094:05:579:549:02
10:34
#22976
25.2M
25.20 mi15:34:074:09:559:553:58
11:30
#22968
Finish
26.22 mi15:43:494:19:379:559:42
9:31
#22915
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi244929956995622984(Top 81%)9098(Top 74%)9098(Top 166%)
10K6.21 mi3.10 mi23815+6779580+3769580+37623123(Top 81%)9202(Top 75%)9202(Top 168%)
15K9.32 mi3.11 mi23544+2719435+1459435+14522984(Top 81%)9098(Top 74%)9098(Top 166%)
20K12.43 mi3.11 mi23461+839379+569379+5623240(Top 82%)9270(Top 76%)9270(Top 170%)
Half13.11 mi0.68 mi23440+219362+179362+1723231(Top 82%)9276(Top 76%)9276(Top 170%)
25K15.53 mi2.42 mi23418+229368-69368-623384(Top 82%)9413(Top 77%)9413(Top 172%)
30K18.64 mi3.11 mi23214+2049302+669302+6622553(Top 79%)9078(Top 74%)9078(Top 166%)
20M20.00 mi1.36 mi23153+619288+149288+1422578(Top 79%)9199(Top 75%)9199(Top 168%)
21M21.00 mi1.00 mi23087+669268+209268+2022245(Top 78%)9106(Top 74%)9106(Top 167%)
35K21.75 mi0.75 mi23004+839243+259243+2520864(Top 73%)8434(Top 69%)8434(Top 154%)
23M23.00 mi1.25 mi22989+159258-159258-1522806(Top 80%)9499(Top 78%)9499(Top 174%)
24M24.00 mi1.00 mi23032-439307-499307-4923602(Top 83%)9926(Top 81%)9926(Top 181%)
40K24.85 mi0.85 mi22976+569294+139294+1322109(Top 78%)9259(Top 76%)9259(Top 169%)
25.2M25.20 mi0.35 mi22968+89297-39297-322091(Top 78%)9201(Top 75%)9201(Top 168%)
Finish26.22 mi1.02 mi22915+539275+229275+2221255(Top 75%)8793(Top 72%)8793(Top 161%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

22984

Females

9098

F18-39

9098

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

23123

Females

9202

F18-39

9202

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

22984

Females

9098

F18-39

9098

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

23240

Females

9270

F18-39

9270

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

23231

Females

9276

F18-39

9276

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

23384

Females

9413

F18-39

9413

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

22553

Females

9078

F18-39

9078

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

22578

Females

9199

F18-39

9199

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

22245

Females

9106

F18-39

9106

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

20864

Females

8434

F18-39

8434

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

22806

Females

9499

F18-39

9499

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

23602

Females

9926

F18-39

9926

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22109

Females

9259

F18-39

9259

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22091

Females

9201

F18-39

9201

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

21255

Females

8793

F18-39

8793

Passing Analysis

Category:
Athletes Passed
2243
Passed By
666
Net Change
+1577
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24492
5K → 10K71639+677#24492#23815
10K → 15K31948+271#23815#23544
15K → 20K185102+83#23544#23461
20K → Half4221+21#23461#23440
Half → 25K135113+22#23440#23418
25K → 30K27268+204#23418#23214
30K → 20M10140+61#23214#23153
20M → 21M9832+66#23153#23087
21M → 35K863+83#23087#23004
35K → 23M7661+15#23004#22989
23M → 24M4285-43#22989#23032
24M → 40K7317+56#23032#22976
40K → 25.2M2517+8#22976#22968
25.2M → Finish7320+53#22968#22915
TOTALS2243666+1577
📊

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