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BOSTON MARATHON 2025

Adrienne Barylski

Bib: 18654•F

MI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 46%
Gender (Female)
#0 / 12228
Top 31%
Division (F18-39)
#0 / 5469
Top 50%
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
7:41/mi
23:53
↑ 97↓ 3451.5%
10K· 6.21 mi
7:39/mi
47:40
↑ 79↓ 1380.4%
15K· 9.32 mi
7:41/mi
1:11:32
↑ 67↓ 78
20K· 12.43 mi
7:43/mi
1:35:31
↑ 106↓ 860.1%
Half· 13.11 mi
7:30/mi
1:40:38
↑ 19↓ 370.5%
25K· 15.53 mi
7:47/mi
1:59:30
↑ 66↓ 880.2%
30K· 18.64 mi
8:05/mi
2:24:37
↑ 181↓ 1480.2%
20M
8:21/mi
2:35:58
↑ 64↓ 500.2%
21M
8:49/mi
2:44:47
↑ 106↓ 241.6%
35K· 21.75 mi
8:13/mi
2:50:56
↑ 17↓ 861.7%
23M
8:34/mi
3:01:39
↑ 23↓ 630.6%
24M
8:31/mi
3:10:10
↓ 821.3%
40K· 24.85 mi
8:45/mi
3:17:39
↓ 200.3%
25.2M
9:31/mi
3:20:56
↑ 13↓ 160.2%
Finish· 26.22 mi
8:24/mi
3:29:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:38
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:48:52
Pace8:18 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:5123:537:4123:53
7:41
-
10K
6.21 mi11:38:3847:407:4023:47
7:39
-0:02
15K
9.32 mi12:02:301:11:327:4023:52
7:41
+0:02
20K
12.43 mi12:26:291:35:317:4123:59
7:43
+0:02
Half
13.11 mi12:31:361:40:387:415:07
7:30
-0:13
25K
15.53 mi12:50:281:59:307:4218:52
7:47
+0:17
30K
18.64 mi13:15:352:24:377:4525:07
8:05
+0:18
20M
20.00 mi13:26:562:35:587:4811:21
8:21
+0:16
21M
21.00 mi13:35:452:44:477:518:49
8:49
+0:28
35K
21.75 mi13:41:542:50:567:526:09
8:13
-0:36
23M
23.00 mi13:52:373:01:397:5410:43
8:34
+0:21
24M
24.00 mi14:01:083:10:107:558:31
8:31
-0:03
40K
24.85 mi14:08:373:17:397:577:29
8:45
+0:14
25.2M
25.20 mi14:11:543:20:567:583:17
9:31
+0:46
Finish
26.22 mi14:20:283:29:308:008:34
8:24
-1:07

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

7:30 /mi

Average Pace

8:00 /mi

Slowest Pace

9:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:30

57% of race

Time at Steady Pace

51:11

24% of race

Time at Slower Pace

38:49

19% of race

Average Pace: 7:59 /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 mi11:14:5123:537:4123:53
7:41
#13883
10K
6.21 mi11:38:3847:407:4023:47
7:39
#13686
15K
9.32 mi12:02:301:11:327:4023:52
7:41
#13536
20K
12.43 mi12:26:291:35:317:4123:59
7:43
#13253
Half
13.11 mi12:31:361:40:387:415:07
7:30
#13162
25K
15.53 mi12:50:281:59:307:4218:52
7:47
#12971
30K
18.64 mi13:15:352:24:377:4525:07
8:05
#12722
20M
20.00 mi13:26:562:35:587:4811:21
8:21
#12714
21M
21.00 mi13:35:452:44:477:518:49
8:49
#12672
35K
21.75 mi13:41:542:50:567:526:09
8:13
#12712
23M
23.00 mi13:52:373:01:397:5410:43
8:34
#12747
24M
24.00 mi14:01:083:10:107:558:31
8:31
#12830
40K
24.85 mi14:08:373:17:397:577:29
8:45
#12922
25.2M
25.20 mi14:11:543:20:567:583:17
9:31
#12958
Finish
26.22 mi14:20:283:29:308:008:34
8:24
#13076
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi138833829382913338(Top 47%)3648(Top 30%)3648(Top 67%)
10K6.21 mi3.10 mi13686+1973757+723757+7213513(Top 48%)3672(Top 30%)3672(Top 67%)
15K9.32 mi3.11 mi13536+1503706+513706+5113338(Top 47%)3648(Top 30%)3648(Top 67%)
20K12.43 mi3.11 mi13253+2833582+1243582+12412608(Top 44%)3332(Top 27%)3332(Top 61%)
Half13.11 mi0.68 mi13162+913537+453537+4511803(Top 42%)2842(Top 23%)2842(Top 52%)
25K15.53 mi2.42 mi12971+1913458+793458+7912217(Top 43%)3238(Top 26%)3238(Top 59%)
30K18.64 mi3.11 mi12722+2493382+763382+7612000(Top 42%)3296(Top 27%)3296(Top 60%)
20M20.00 mi1.36 mi12714+83424-423424-4212863(Top 45%)3892(Top 32%)3892(Top 71%)
21M21.00 mi1.00 mi12672+423433-93433-912428(Top 44%)3821(Top 31%)3821(Top 70%)
35K21.75 mi0.75 mi12712-403480-473480-4713775(Top 48%)4555(Top 37%)4555(Top 83%)
23M23.00 mi1.25 mi12747-353527-473527-4713677(Top 48%)4628(Top 38%)4628(Top 85%)
24M24.00 mi1.00 mi12830-833605-783605-7814624(Top 51%)5160(Top 42%)5160(Top 94%)
40K24.85 mi0.85 mi12922-923693-883693-8814928(Top 53%)5473(Top 45%)5473(Top 100%)
25.2M25.20 mi0.35 mi12958-363718-253718-2514713(Top 52%)5383(Top 44%)5383(Top 98%)
Finish26.22 mi1.02 mi13076-1183803-853803-8515633(Top 55%)5815(Top 48%)5815(Top 106%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

13338

Females

3648

F18-39

3648

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

13513

Females

3672

F18-39

3672

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

13338

Females

3648

F18-39

3648

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

12608

Females

3332

F18-39

3332

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

11803

Females

2842

F18-39

2842

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

12217

Females

3238

F18-39

3238

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

12000

Females

3296

F18-39

3296

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12863

Females

3892

F18-39

3892

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

12428

Females

3821

F18-39

3821

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

13775

Females

4555

F18-39

4555

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

13677

Females

4628

F18-39

4628

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

14624

Females

5160

F18-39

5160

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14928

Females

5473

F18-39

5473

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

14713

Females

5383

F18-39

5383

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

15633

Females

5815

F18-39

5815

Passing Analysis

Category:
Athletes Passed
2268
Passed By
1461
Net Change
+807
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13883
5K → 10K386189+197#13883#13686
10K → 15K280130+150#13686#13536
15K → 20K33552+283#13536#13253
20K → Half943+91#13253#13162
Half → 25K25665+191#13162#12971
25K → 30K352103+249#12971#12722
30K → 20M126118+8#12722#12714
20M → 21M12987+42#12714#12672
21M → 35K5393-40#12672#12712
35K → 23M95130-35#12712#12747
23M → 24M56139-83#12747#12830
24M → 40K47139-92#12830#12922
40K → 25.2M2561-36#12922#12958
25.2M → Finish34152-118#12958#13076
TOTALS22681461+807
📊

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