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BOSTON MARATHON 2025

Maya Shydlowski

Bib: 15227•F

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 36%
Gender (Female)
#0 / 12228
Top 19%
Division (F18-39)
#0 / 5469
Top 33%
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
7:25/mi
23:02
↑ 97↓ 3451.5%
10K· 6.21 mi
7:15/mi
45:35
↑ 79↓ 1380.4%
15K· 9.32 mi
7:17/mi
1:08:14
↑ 67↓ 78
20K· 12.43 mi
7:22/mi
1:31:06
↑ 106↓ 860.1%
Half· 13.11 mi
7:23/mi
1:36:08
↑ 19↓ 370.5%
25K· 15.53 mi
7:25/mi
1:54:07
↑ 66↓ 880.2%
30K· 18.64 mi
7:53/mi
2:18:38
↑ 181↓ 1480.2%
20M
8:07/mi
2:29:40
↑ 64↓ 500.2%
21M
8:41/mi
2:38:21
↑ 106↓ 241.6%
35K· 21.75 mi
8:13/mi
2:44:30
↑ 17↓ 861.7%
23M
8:10/mi
2:54:44
↑ 23↓ 630.6%
24M
8:07/mi
3:02:51
↓ 821.3%
40K· 24.85 mi
8:08/mi
3:09:48
↓ 200.3%
25.2M
8:25/mi
3:12:42
↑ 13↓ 160.2%
Finish· 26.22 mi
7:20/mi
3:20:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:08
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:44:02
Pace7:56 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:3623:027:2523:02
7:25
-
10K
6.21 mi11:18:0945:357:2022:33
7:15
-0:10
15K
9.32 mi11:40:481:08:147:1922:39
7:17
+0:02
20K
12.43 mi12:03:401:31:067:2022:52
7:22
+0:05
Half
13.11 mi12:08:421:36:087:205:02
7:23
+0:01
25K
15.53 mi12:26:411:54:077:2117:59
7:25
+0:02
30K
18.64 mi12:51:122:18:387:2624:31
7:53
+0:28
20M
20.00 mi13:02:142:29:407:2911:02
8:07
+0:14
21M
21.00 mi13:10:552:38:217:328:41
8:41
+0:34
35K
21.75 mi13:17:042:44:307:346:09
8:13
-0:28
23M
23.00 mi13:27:182:54:447:3610:14
8:10
-0:03
24M
24.00 mi13:35:253:02:517:378:07
8:07
-0:03
40K
24.85 mi13:42:223:09:487:386:57
8:08
+0:01
25.2M
25.20 mi13:45:163:12:427:392:54
8:25
+0:17
Finish
26.22 mi13:52:443:20:107:387:28
7:20
-1:05

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

7:15 /mi

Average Pace

7:38 /mi

Slowest Pace

8:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:06

73% of race

Time at Steady Pace

45:23

23% of race

Time at Slower Pace

8:41

4% of race

Average Pace: 7:38 /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 mi10:55:3623:027:2523:02
7:25
#11479
10K
6.21 mi11:18:0945:357:2022:33
7:15
#10648
15K
9.32 mi11:40:481:08:147:1922:39
7:17
#10396
20K
12.43 mi12:03:401:31:067:2022:52
7:22
#10140
Half
13.11 mi12:08:421:36:087:205:02
7:23
#10163
25K
15.53 mi12:26:411:54:077:2117:59
7:25
#9968
30K
18.64 mi12:51:122:18:387:2624:31
7:53
#10030
20M
20.00 mi13:02:142:29:407:2911:02
8:07
#10090
21M
21.00 mi13:10:552:38:217:328:41
8:41
#10171
35K
21.75 mi13:17:042:44:307:346:09
8:13
#10316
23M
23.00 mi13:27:182:54:447:3610:14
8:10
#10328
24M
24.00 mi13:35:253:02:517:378:07
8:07
#10392
40K
24.85 mi13:42:223:09:487:386:57
8:08
#10372
25.2M
25.20 mi13:45:163:12:427:392:54
8:25
#10323
Finish
26.22 mi13:52:443:20:107:387:28
7:20
#10201
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi11479251925199939(Top 35%)1862(Top 15%)1862(Top 34%)
10K6.21 mi3.10 mi10648+8312136+3832136+3839998(Top 35%)1830(Top 15%)1830(Top 33%)
15K9.32 mi3.11 mi10396+2522026+1102026+1109939(Top 35%)1862(Top 15%)1862(Top 34%)
20K12.43 mi3.11 mi10140+2561932+941932+949565(Top 34%)1767(Top 14%)1767(Top 32%)
Half13.11 mi0.68 mi10163-231946-141946-1410745(Top 38%)2310(Top 19%)2310(Top 42%)
25K15.53 mi2.42 mi9968+1951888+581888+589312(Top 33%)1783(Top 15%)1783(Top 33%)
30K18.64 mi3.11 mi10030-621967-791967-7910568(Top 37%)2574(Top 21%)2574(Top 47%)
20M20.00 mi1.36 mi10090-602031-642031-6411249(Top 40%)3054(Top 25%)3054(Top 56%)
21M21.00 mi1.00 mi10171-812124-932124-9311584(Top 41%)3382(Top 28%)3382(Top 62%)
35K21.75 mi0.75 mi10316-1452221-972221-9713763(Top 48%)4543(Top 37%)4543(Top 83%)
23M23.00 mi1.25 mi10328-122276-552276-5511208(Top 39%)3325(Top 27%)3325(Top 61%)
24M24.00 mi1.00 mi10392-642331-552331-5512031(Top 42%)3810(Top 31%)3810(Top 70%)
40K24.85 mi0.85 mi10372+202359-282359-2811097(Top 39%)3442(Top 28%)3442(Top 63%)
25.2M25.20 mi0.35 mi10323+492352+72352+78335(Top 29%)2215(Top 18%)2215(Top 41%)
Finish26.22 mi1.02 mi10201+1222321+312321+317999(Top 28%)2074(Top 17%)2074(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

9939

Females

1862

F18-39

1862

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

9998

Females

1830

F18-39

1830

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

9939

Females

1862

F18-39

1862

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9565

Females

1767

F18-39

1767

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

10745

Females

2310

F18-39

2310

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

9312

Females

1783

F18-39

1783

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

10568

Females

2574

F18-39

2574

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

11249

Females

3054

F18-39

3054

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

11584

Females

3382

F18-39

3382

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

13763

Females

4543

F18-39

4543

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

11208

Females

3325

F18-39

3325

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

12031

Females

3810

F18-39

3810

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

11097

Females

3442

F18-39

3442

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

8335

Females

2215

F18-39

2215

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7999

Females

2074

F18-39

2074

Passing Analysis

Category:
Athletes Passed
2638*
Passed By
1356
Net Change
+1278
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11479
5K → 10K88352+831#11479#10648
10K → 15K30452+252#10648#10396
15K → 20K31558+256#10396#10140
20K → Half1841-23#10140#10163
Half → 25K246*51+195#10163#9968
25K → 30K210271-62#9968#10030
30K → 20M107166-60#10030#10090
20M → 21M77157-81#10090#10171
21M → 35K29174-145#10171#10316
35K → 23M108120-12#10316#10328
23M → 24M55119-64#10328#10392
24M → 40K8767+20#10392#10372
40K → 25.2M567+49#10372#10323
25.2M → Finish14321+122#10323#10201
TOTALS2638*1356+1278

* 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