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BOSTON MARATHON 2025

Adella Lin

Bib: 24454•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Top 38%
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
8:43/mi
27:06
↑ 97↓ 3451.5%
10K· 6.21 mi
8:54/mi
54:44
↑ 79↓ 1380.4%
15K· 9.32 mi
8:50/mi
1:22:12
↑ 67↓ 78
20K· 12.43 mi
8:57/mi
1:49:59
↑ 106↓ 860.1%
Half· 13.11 mi
8:52/mi
1:56:02
↑ 19↓ 370.5%
25K· 15.53 mi
9:00/mi
2:17:51
↑ 66↓ 880.2%
30K· 18.64 mi
9:21/mi
2:46:53
↑ 181↓ 1480.2%
20M
9:09/mi
2:59:19
↑ 64↓ 500.2%
21M
9:35/mi
3:08:54
↑ 106↓ 241.6%
35K· 21.75 mi
8:43/mi
3:15:25
↑ 17↓ 861.7%
23M
9:07/mi
3:26:50
↑ 23↓ 630.6%
24M
8:54/mi
3:35:44
↓ 821.3%
40K· 24.85 mi
9:11/mi
3:43:35
↓ 200.3%
25.2M
10:06/mi
3:47:04
↑ 13↓ 160.2%
Finish· 26.22 mi
8:50/mi
3:56:04
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:02
Pace8:51 /mi
2nd Half
Distance13.11 mi
Time2:00:02
Pace9:09 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:4927:068:4327:06
8:43
-
10K
6.21 mi11:53:2754:448:4927:38
8:54
+0:11
15K
9.32 mi12:20:551:22:128:4927:28
8:50
-0:04
20K
12.43 mi12:48:421:49:598:5127:47
8:57
+0:07
Half
13.11 mi12:54:451:56:028:516:03
8:52
-0:05
25K
15.53 mi13:16:342:17:518:5221:49
9:00
+0:08
30K
18.64 mi13:45:362:46:538:5729:02
9:21
+0:21
20M
20.00 mi13:58:022:59:198:5812:26
9:09
-0:12
21M
21.00 mi14:07:373:08:549:009:35
9:35
+0:26
35K
21.75 mi14:14:083:15:258:596:31
8:43
-0:52
23M
23.00 mi14:25:333:26:509:0011:25
9:07
+0:24
24M
24.00 mi14:34:273:35:448:598:54
8:54
-0:13
40K
24.85 mi14:42:183:43:359:007:51
9:11
+0:17
25.2M
25.20 mi14:45:473:47:049:013:29
10:06
+0:55
Finish
26.22 mi14:54:473:56:049:019:00
8:50
-1:16

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

8:43 /mi

Average Pace

9:01 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:52:35

99% of race

Time at Steady Pace

3:29

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:00 /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 mi11:25:4927:068:4327:06
8:43
#21118
10K
6.21 mi11:53:2754:448:4927:38
8:54
#21493
15K
9.32 mi12:20:551:22:128:4927:28
8:50
#21363
20K
12.43 mi12:48:421:49:598:5127:47
8:57
#21179
Half
13.11 mi12:54:451:56:028:516:03
8:52
#21180
25K
15.53 mi13:16:342:17:518:5221:49
9:00
#20969
30K
18.64 mi13:45:362:46:538:5729:02
9:21
#20643
20M
20.00 mi13:58:022:59:198:5812:26
9:09
#20397
21M
21.00 mi14:07:373:08:549:009:35
9:35
#20176
35K
21.75 mi14:14:083:15:258:596:31
8:43
#20049
23M
23.00 mi14:25:333:26:509:0011:25
9:07
#19874
24M
24.00 mi14:34:273:35:448:598:54
8:54
#19746
40K
24.85 mi14:42:183:43:359:007:51
9:11
#19667
25.2M
25.20 mi14:45:473:47:049:013:29
10:06
#19621
Finish
26.22 mi14:54:473:56:049:019:00
8:50
#19566
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi211188145814521240(Top 75%)8129(Top 66%)8129(Top 818%)
10K6.21 mi3.10 mi21493-3758333-1888333-18821899(Top 77%)8539(Top 70%)8539(Top 859%)
15K9.32 mi3.11 mi21363+1308225+1088225+10821240(Top 75%)8129(Top 66%)8129(Top 818%)
20K12.43 mi3.11 mi21179+1848129+968129+9620689(Top 73%)7885(Top 64%)7885(Top 793%)
Half13.11 mi0.68 mi21180-18127+28127+221244(Top 75%)8158(Top 67%)8158(Top 821%)
25K15.53 mi2.42 mi20969+2118019+1088019+10819903(Top 70%)7478(Top 61%)7478(Top 752%)
30K18.64 mi3.11 mi20643+3267898+1217898+12119327(Top 68%)7301(Top 60%)7301(Top 735%)
20M20.00 mi1.36 mi20397+2467779+1197779+11917564(Top 62%)6461(Top 53%)6461(Top 650%)
21M21.00 mi1.00 mi20176+2217681+987681+9816499(Top 58%)5987(Top 49%)5987(Top 602%)
35K21.75 mi0.75 mi20049+1277623+587623+5816825(Top 59%)6249(Top 51%)6249(Top 629%)
23M23.00 mi1.25 mi19874+1757552+717552+7116963(Top 60%)6438(Top 53%)6438(Top 648%)
24M24.00 mi1.00 mi19746+1287507+457507+4516888(Top 59%)6442(Top 53%)6442(Top 648%)
40K24.85 mi0.85 mi19667+797477+307477+3017295(Top 61%)6753(Top 55%)6753(Top 679%)
25.2M25.20 mi0.35 mi19621+467465+127465+1217541(Top 62%)6895(Top 56%)6895(Top 694%)
Finish26.22 mi1.02 mi19566+557449+167449+1618234(Top 64%)7208(Top 59%)7208(Top 725%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

21240

Females

8129

F55-59

8129

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

21899

Females

8539

F55-59

8539

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

21240

Females

8129

F55-59

8129

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

20689

Females

7885

F55-59

7885

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

21244

Females

8158

F55-59

8158

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

19903

Females

7478

F55-59

7478

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

19327

Females

7301

F55-59

7301

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

17564

Females

6461

F55-59

6461

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

16499

Females

5987

F55-59

5987

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

16825

Females

6249

F55-59

6249

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

16963

Females

6438

F55-59

6438

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

16888

Females

6442

F55-59

6442

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17295

Females

6753

F55-59

6753

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17541

Females

6895

F55-59

6895

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

18234

Females

7208

F55-59

7208

Passing Analysis

Category:
Athletes Passed
2572
Passed By
1020
Net Change
+1552
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21118
5K → 10K153528-375#21118#21493
10K → 15K277147+130#21493#21363
15K → 20K287103+184#21363#21179
20K → Half3233-1#21179#21180
Half → 25K24332+211#21180#20969
25K → 30K39973+326#20969#20643
30K → 20M2548+246#20643#20397
20M → 21M2309+221#20397#20176
21M → 35K1314+127#20176#20049
35K → 23M18712+175#20049#19874
23M → 24M14214+128#19874#19746
24M → 40K10021+79#19746#19667
40K → 25.2M526+46#19667#19621
25.2M → Finish8530+55#19621#19566
TOTALS25721020+1552
📊

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