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BOSTON MARATHON 2025

Sophia Snell

Bib: 20742•F

VA

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
8:52/mi
27:34
↑ 97↓ 3451.5%
10K· 6.21 mi
8:59/mi
55:28
↑ 79↓ 1380.4%
15K· 9.32 mi
8:54/mi
1:23:08
↑ 67↓ 78
20K· 12.43 mi
9:14/mi
1:51:49
↑ 106↓ 860.1%
Half· 13.11 mi
8:59/mi
1:57:57
↑ 19↓ 370.5%
25K· 15.53 mi
10:21/mi
2:23:03
↑ 66↓ 880.2%
30K· 18.64 mi
13:09/mi
3:03:53
↑ 181↓ 1480.2%
20M
12:20/mi
3:20:39
↑ 64↓ 500.2%
21M
13:35/mi
3:34:14
↑ 106↓ 241.6%
35K· 21.75 mi
10:40/mi
3:42:13
↑ 17↓ 861.7%
23M
14:55/mi
4:00:54
↑ 23↓ 630.6%
24M
13:21/mi
4:14:15
↓ 821.3%
40K· 24.85 mi
13:09/mi
4:25:30
↓ 200.3%
25.2M
12:25/mi
4:29:47
↑ 13↓ 160.2%
Finish· 26.22 mi
8:49/mi
4:38:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:57
Pace9:00 /mi
2nd Half
Distance13.11 mi
Time2:40:49
Pace12:16 /mi
📊Positive Split: 36.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:3927:348:5227:34
8:52
-
10K
6.21 mi11:50:3355:288:5627:54
8:59
+0:07
15K
9.32 mi12:18:131:23:088:5527:40
8:54
-0:05
20K
12.43 mi12:46:541:51:499:0028:41
9:14
+0:20
Half
13.11 mi12:53:021:57:579:006:08
8:59
-0:15
25K
15.53 mi13:18:082:23:039:1325:06
10:21
+1:22
30K
18.64 mi13:58:583:03:539:5240:50
13:09
+2:48
20M
20.00 mi14:15:443:20:3910:0216:46
12:20
-0:49
21M
21.00 mi14:29:193:34:1410:1213:35
13:35
+1:15
35K
21.75 mi14:37:183:42:1310:137:59
10:40
-2:55
23M
23.00 mi14:55:594:00:5410:2818:41
14:55
+4:15
24M
24.00 mi15:09:204:14:1510:3613:21
13:21
-1:34
40K
24.85 mi15:20:354:25:3010:4111:15
13:09
-0:12
25.2M
25.20 mi15:24:524:29:4710:424:17
12:25
-0:44
Finish
26.22 mi15:33:514:38:4610:388:59
8:49
-3:36

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

8:49 /mi

Average Pace

10:38 /mi

Slowest Pace

14:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:56

46% of race

Time at Steady Pace

33:05

12% of race

Time at Slower Pace

1:58:45

43% of race

Average Pace: 10:38 /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 mi11:22:3927:348:5227:34
8:52
#21850
10K
6.21 mi11:50:3355:288:5627:54
8:59
#22079
15K
9.32 mi12:18:131:23:088:5527:40
8:54
#21903
20K
12.43 mi12:46:541:51:499:0028:41
9:14
#21919
Half
13.11 mi12:53:021:57:579:006:08
8:59
#21903
25K
15.53 mi13:18:082:23:039:1325:06
10:21
#22466
30K
18.64 mi13:58:583:03:539:5240:50
13:09
#23857
20M
20.00 mi14:15:443:20:3910:0216:46
12:20
#24077
21M
21.00 mi14:29:193:34:1410:1213:35
13:35
#24231
35K
21.75 mi14:37:183:42:1310:137:59
10:40
#24214
23M
23.00 mi14:55:594:00:5410:2818:41
14:55
#24644
24M
24.00 mi15:09:204:14:1510:3613:21
13:21
#24807
40K
24.85 mi15:20:354:25:3010:4111:15
13:09
#24898
25.2M
25.20 mi15:24:524:29:4710:424:17
12:25
#24895
Finish
26.22 mi15:33:514:38:4610:388:59
8:49
#24760
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi218508544854421584(Top 76%)8326(Top 68%)8326(Top 152%)
10K6.21 mi3.10 mi22079-2298660-1168660-11622286(Top 78%)8761(Top 72%)8761(Top 160%)
15K9.32 mi3.11 mi21903+1768545+1158545+11521584(Top 76%)8326(Top 68%)8326(Top 152%)
20K12.43 mi3.11 mi21919-168560-158560-1522005(Top 77%)8586(Top 70%)8586(Top 157%)
Half13.11 mi0.68 mi21903+168553+78553+721733(Top 77%)8452(Top 69%)8452(Top 155%)
25K15.53 mi2.42 mi22466-5638852-2998852-29924066(Top 85%)9780(Top 80%)9780(Top 179%)
30K18.64 mi3.11 mi23857-13919656-8049656-80426811(Top 94%)11387(Top 93%)11387(Top 208%)
20M20.00 mi1.36 mi24077-2209796-1409796-14025718(Top 91%)10857(Top 89%)10857(Top 199%)
21M21.00 mi1.00 mi24231-1549890-949890-9425743(Top 91%)10921(Top 89%)10921(Top 200%)
35K21.75 mi0.75 mi24214+179893-39893-323495(Top 83%)9804(Top 80%)9804(Top 179%)
23M23.00 mi1.25 mi24644-43010140-24710140-24727880(Top 98%)12041(Top 98%)12041(Top 220%)
24M24.00 mi1.00 mi24807-16310238-9810238-9827187(Top 96%)11739(Top 96%)11739(Top 215%)
40K24.85 mi0.85 mi24898-9110301-6310301-6326434(Top 93%)11346(Top 93%)11346(Top 207%)
25.2M25.20 mi0.35 mi24895+310302-110302-123992(Top 84%)10168(Top 83%)10168(Top 186%)
Finish26.22 mi1.02 mi24760+13510241+6110241+6118090(Top 64%)7147(Top 58%)7147(Top 131%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

21584

Females

8326

F18-39

8326

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

22286

Females

8761

F18-39

8761

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

21584

Females

8326

F18-39

8326

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

22005

Females

8586

F18-39

8586

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

21733

Females

8452

F18-39

8452

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

24066

Females

9780

F18-39

9780

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

26811

Females

11387

F18-39

11387

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

25718

Females

10857

F18-39

10857

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

25743

Females

10921

F18-39

10921

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

23495

Females

9804

F18-39

9804

35K→23M

21.8 - 23.0 mi

Top 98%
×5story building
+23ft-63ft

Overall

27880

Females

12041

F18-39

12041

23M→24M

23.0 - 24.0 mi

Top 96%
×6story building
+12ft-82ft

Overall

27187

Females

11739

F18-39

11739

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

26434

Females

11346

F18-39

11346

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

23992

Females

10168

F18-39

10168

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

18090

Females

7147

F18-39

7147

Passing Analysis

Category:
Athletes Passed
1001
Passed By
3911
Net Change
-2910
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21850
5K → 10K165394-229#21850#22079
10K → 15K287111+176#22079#21903
15K → 20K191207-16#21903#21919
20K → Half4327+16#21919#21903
Half → 25K29592-563#21903#22466
25K → 30K131404-1391#22466#23857
30K → 20M31251-220#23857#24077
20M → 21M16170-154#24077#24231
21M → 35K4023+17#24231#24214
35K → 23M8438-430#24214#24644
23M → 24M14177-163#24644#24807
24M → 40K15106-91#24807#24898
40K → 25.2M129+3#24898#24895
25.2M → Finish1372+135#24895#24760
TOTALS10013911-2910
📊

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