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BOSTON MARATHON 2025

Sophia Staal

Bib: 17590•F

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0:00
0:00
/ mi
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Overall
#0 / 28404
Top 50%
Gender (Female)
#0 / 12228
Top 36%
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
7:35/mi
23:33
↑ 97↓ 3451.5%
10K· 6.21 mi
7:30/mi
46:52
↑ 79↓ 1380.4%
15K· 9.32 mi
7:29/mi
1:10:07
↑ 67↓ 78
20K· 12.43 mi
7:40/mi
1:33:57
↑ 106↓ 860.1%
Half· 13.11 mi
7:33/mi
1:39:06
↑ 19↓ 370.5%
25K· 15.53 mi
8:09/mi
1:58:52
↑ 66↓ 880.2%
30K· 18.64 mi
9:15/mi
2:27:37
↑ 181↓ 1480.2%
20M
9:13/mi
2:40:09
↑ 64↓ 500.2%
21M
9:15/mi
2:49:24
↑ 106↓ 241.6%
35K· 21.75 mi
8:32/mi
2:55:47
↑ 17↓ 861.7%
23M
8:33/mi
3:06:29
↑ 23↓ 630.6%
24M
8:20/mi
3:14:49
↓ 821.3%
40K· 24.85 mi
8:18/mi
3:21:55
↓ 200.3%
25.2M
9:17/mi
3:25:07
↑ 13↓ 160.2%
Finish· 26.22 mi
8:15/mi
3:33:31
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:06
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:54:25
Pace8:44 /mi
📊Positive Split: 15.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:5623:337:3523:33
7:35
-
10K
6.21 mi11:37:1546:527:3323:19
7:30
-0:05
15K
9.32 mi12:00:301:10:077:3123:15
7:29
-0:01
20K
12.43 mi12:24:201:33:577:3423:50
7:40
+0:11
Half
13.11 mi12:29:291:39:067:345:09
7:33
-0:07
25K
15.53 mi12:49:151:58:527:3919:46
8:09
+0:36
30K
18.64 mi13:18:002:27:377:5528:45
9:15
+1:06
20M
20.00 mi13:30:322:40:098:0012:32
9:13
-0:02
21M
21.00 mi13:39:472:49:248:049:15
9:15
+0:02
35K
21.75 mi13:46:102:55:478:056:23
8:32
-0:43
23M
23.00 mi13:56:523:06:298:0610:42
8:33
+0:01
24M
24.00 mi14:05:123:14:498:078:20
8:20
-0:13
40K
24.85 mi14:12:183:21:558:077:06
8:18
-0:02
25.2M
25.20 mi14:15:303:25:078:083:12
9:17
+0:59
Finish
26.22 mi14:23:543:33:318:098:24
8:15
-1:02

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

7:29 /mi

Average Pace

8:09 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:06

46% of race

Time at Steady Pace

1:00:41

28% of race

Time at Slower Pace

53:44

25% of race

Average Pace: 8:09 /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 mi11:13:5623:337:3523:33
7:35
#12959
10K
6.21 mi11:37:1546:527:3323:19
7:30
#12520
15K
9.32 mi12:00:301:10:077:3123:15
7:29
#12194
20K
12.43 mi12:24:201:33:577:3423:50
7:40
#12168
Half
13.11 mi12:29:291:39:067:345:09
7:33
#12160
25K
15.53 mi12:49:151:58:527:3919:46
8:09
#12622
30K
18.64 mi13:18:002:27:377:5528:45
9:15
#14033
20M
20.00 mi13:30:322:40:098:0012:32
9:13
#14395
21M
21.00 mi13:39:472:49:248:049:15
9:15
#14395
35K
21.75 mi13:46:102:55:478:056:23
8:32
#14453
23M
23.00 mi13:56:523:06:298:0610:42
8:33
#14389
24M
24.00 mi14:05:123:14:498:078:20
8:20
#14323
40K
24.85 mi14:12:183:21:558:077:06
8:18
#14218
25.2M
25.20 mi14:15:303:25:078:083:12
9:17
#14191
Finish
26.22 mi14:23:543:33:318:098:24
8:15
#14173
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi129593297329711650(Top 41%)2719(Top 22%)2719(Top 50%)
10K6.21 mi3.10 mi12520+4393086+2113086+21112163(Top 43%)2907(Top 24%)2907(Top 53%)
15K9.32 mi3.11 mi12194+3262945+1412945+14111650(Top 41%)2719(Top 22%)2719(Top 50%)
20K12.43 mi3.11 mi12168+262962-172962-1712171(Top 43%)3095(Top 25%)3095(Top 57%)
Half13.11 mi0.68 mi12160+82968-62968-612235(Top 43%)3096(Top 25%)3096(Top 57%)
25K15.53 mi2.42 mi12622-4623257-2893257-28914992(Top 53%)4728(Top 39%)4728(Top 86%)
30K18.64 mi3.11 mi14033-14114126-8694126-86918912(Top 67%)7070(Top 58%)7070(Top 129%)
20M20.00 mi1.36 mi14395-3624360-2344360-23417891(Top 63%)6640(Top 54%)6640(Top 121%)
21M21.00 mi1.00 mi143954381-214381-2114900(Top 52%)5116(Top 42%)5116(Top 94%)
35K21.75 mi0.75 mi14453-584424-434424-4315678(Top 55%)5596(Top 46%)5596(Top 102%)
23M23.00 mi1.25 mi14389+644431-74431-713606(Top 48%)4590(Top 38%)4590(Top 84%)
24M24.00 mi1.00 mi14323+664421+104421+1013498(Top 48%)4564(Top 37%)4564(Top 83%)
40K24.85 mi0.85 mi14218+1054398+234398+2312203(Top 43%)4025(Top 33%)4025(Top 74%)
25.2M25.20 mi0.35 mi14191+274390+84390+813396(Top 47%)4705(Top 38%)4705(Top 86%)
Finish26.22 mi1.02 mi14173+184405-154405-1514577(Top 51%)5245(Top 43%)5245(Top 96%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

11650

Females

2719

F18-39

2719

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

12163

Females

2907

F18-39

2907

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

11650

Females

2719

F18-39

2719

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

12171

Females

3095

F18-39

3095

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

12235

Females

3096

F18-39

3096

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

14992

Females

4728

F18-39

4728

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

18912

Females

7070

F18-39

7070

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

17891

Females

6640

F18-39

6640

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

14900

Females

5116

F18-39

5116

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

15678

Females

5596

F18-39

5596

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

13606

Females

4590

F18-39

4590

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

13498

Females

4564

F18-39

4564

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

12203

Females

4025

F18-39

4025

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13396

Females

4705

F18-39

4705

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

14577

Females

5245

F18-39

5245

Passing Analysis

Category:
Athletes Passed
1991
Passed By
3205
Net Change
-1214
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12959
5K → 10K562123+439#12959#12520
10K → 15K39165+326#12520#12194
15K → 20K201175+26#12194#12168
20K → Half3830+8#12168#12160
Half → 25K62524-462#12160#12622
25K → 30K521463-1411#12622#14033
30K → 20M46408-362#14033#14395
20M → 21M1131130#14395#14395
21M → 35K44102-58#14395#14453
35K → 23M12965+64#14453#14389
23M → 24M10438+66#14389#14323
24M → 40K12217+105#14323#14218
40K → 25.2M4720+27#14218#14191
25.2M → Finish8062+18#14191#14173
TOTALS19913205-1214
📊

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