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BOSTON MARATHON 2025

Alicia Bassick

Bib: 18180•F

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
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
7:44/mi
24:02
↑ 97↓ 3451.5%
10K· 6.21 mi
7:51/mi
48:24
↑ 79↓ 1380.4%
15K· 9.32 mi
8:00/mi
1:13:16
↑ 67↓ 78
20K· 12.43 mi
8:49/mi
1:40:41
↑ 106↓ 860.1%
Half· 13.11 mi
8:26/mi
1:46:26
↑ 19↓ 370.5%
25K· 15.53 mi
8:48/mi
2:07:45
↑ 66↓ 880.2%
30K· 18.64 mi
10:06/mi
2:39:07
↑ 181↓ 1480.2%
20M
10:03/mi
2:52:46
↑ 64↓ 500.2%
21M
11:38/mi
3:04:24
↑ 106↓ 241.6%
35K· 21.75 mi
8:48/mi
3:10:59
↑ 17↓ 861.7%
23M
10:43/mi
3:24:24
↑ 23↓ 630.6%
24M
10:31/mi
3:34:55
↓ 821.3%
40K· 24.85 mi
9:55/mi
3:43:24
↓ 200.3%
25.2M
11:30/mi
3:47:22
↑ 13↓ 160.2%
Finish· 26.22 mi
8:35/mi
3:56:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:26
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time2:09:41
Pace9:54 /mi
📊Positive Split: 21.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:4524:027:4424:02
7:44
-
10K
6.21 mi11:39:0748:247:4724:22
7:51
+0:07
15K
9.32 mi12:03:591:13:167:5224:52
8:00
+0:09
20K
12.43 mi12:31:241:40:418:0627:25
8:49
+0:49
Half
13.11 mi12:37:091:46:268:075:45
8:26
-0:23
25K
15.53 mi12:58:282:07:458:1321:19
8:48
+0:22
30K
18.64 mi13:29:502:39:078:3231:22
10:06
+1:18
20M
20.00 mi13:43:292:52:468:3813:39
10:03
-0:03
21M
21.00 mi13:55:073:04:248:4711:38
11:38
+1:35
35K
21.75 mi14:01:423:10:598:476:35
8:48
-2:50
23M
23.00 mi14:15:073:24:248:5313:25
10:43
+1:55
24M
24.00 mi14:25:383:34:558:5710:31
10:31
-0:12
40K
24.85 mi14:34:073:43:248:598:29
9:55
-0:36
25.2M
25.20 mi14:38:053:47:229:013:58
11:30
+1:35
Finish
26.22 mi14:46:503:56:079:018:45
8:35
-2:55

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

7:44 /mi

Average Pace

9:01 /mi

Slowest Pace

11:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:13:16

31% of race

Time at Steady Pace

1:09:49

30% of race

Time at Slower Pace

1:33:02

39% 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 mi11:14:4524:027:4424:02
7:44
#14281
10K
6.21 mi11:39:0748:247:4724:22
7:51
#14699
15K
9.32 mi12:03:591:13:167:5224:52
8:00
#15179
20K
12.43 mi12:31:241:40:418:0627:25
8:49
#16698
Half
13.11 mi12:37:091:46:268:075:45
8:26
#16814
25K
15.53 mi12:58:282:07:458:1321:19
8:48
#17098
30K
18.64 mi13:29:502:39:078:3231:22
10:06
#18361
20M
20.00 mi13:43:292:52:468:3813:39
10:03
#18657
21M
21.00 mi13:55:073:04:248:4711:38
11:38
#19079
35K
21.75 mi14:01:423:10:598:476:35
8:48
#19006
23M
23.00 mi14:15:073:24:248:5313:25
10:43
#19340
24M
24.00 mi14:25:383:34:558:5710:31
10:31
#19574
40K
24.85 mi14:34:073:43:248:598:29
9:55
#19620
25.2M
25.20 mi14:38:053:47:229:013:58
11:30
#19686
Finish
26.22 mi14:46:503:56:079:018:45
8:35
#19571
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi142814091409116096(Top 57%)5201(Top 43%)5201(Top 303%)
10K6.21 mi3.10 mi14699-4184370-2794370-27915220(Top 54%)4678(Top 38%)4678(Top 272%)
15K9.32 mi3.11 mi15179-4804669-2994669-29916096(Top 57%)5201(Top 43%)5201(Top 303%)
20K12.43 mi3.11 mi16698-15195554-8855554-88520079(Top 71%)7522(Top 62%)7522(Top 438%)
Half13.11 mi0.68 mi16814-1165617-635617-6318808(Top 66%)6802(Top 56%)6802(Top 396%)
25K15.53 mi2.42 mi17098-2845825-2085825-20818910(Top 67%)6932(Top 57%)6932(Top 403%)
30K18.64 mi3.11 mi18361-12636583-7586583-75821892(Top 77%)8720(Top 71%)8720(Top 508%)
20M20.00 mi1.36 mi18657-2966779-1966779-19621106(Top 74%)8412(Top 69%)8412(Top 490%)
21M21.00 mi1.00 mi19079-4227047-2687047-26822892(Top 81%)9442(Top 77%)9442(Top 550%)
35K21.75 mi0.75 mi19006+737026+217026+2117301(Top 61%)6536(Top 53%)6536(Top 380%)
23M23.00 mi1.25 mi19340-3347247-2217247-22122560(Top 79%)9369(Top 77%)9369(Top 545%)
24M24.00 mi1.00 mi19574-2347409-1627409-16222872(Top 81%)9575(Top 78%)9575(Top 557%)
40K24.85 mi0.85 mi19620-467449-407449-4020207(Top 71%)8258(Top 68%)8258(Top 481%)
25.2M25.20 mi0.35 mi19686-667497-487497-4822069(Top 78%)9179(Top 75%)9179(Top 534%)
Finish26.22 mi1.02 mi19571+1157453+447453+4416801(Top 59%)6462(Top 53%)6462(Top 376%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

16096

Females

5201

F40-44

5201

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

15220

Females

4678

F40-44

4678

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

16096

Females

5201

F40-44

5201

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

20079

Females

7522

F40-44

7522

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

18808

Females

6802

F40-44

6802

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

18910

Females

6932

F40-44

6932

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

21892

Females

8720

F40-44

8720

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

21106

Females

8412

F40-44

8412

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

22892

Females

9442

F40-44

9442

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

17301

Females

6536

F40-44

6536

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

22560

Females

9369

F40-44

9369

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

22872

Females

9575

F40-44

9575

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

20207

Females

8258

F40-44

8258

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22069

Females

9179

F40-44

9179

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

16801

Females

6462

F40-44

6462

Passing Analysis

Category:
Athletes Passed
803
Passed By
6093
Net Change
-5290
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14281
5K → 10K159577-418#14281#14699
10K → 15K82562-480#14699#15179
15K → 20K261545-1519#15179#16698
20K → Half15131-116#16698#16814
Half → 25K77361-284#16814#17098
25K → 30K411304-1263#17098#18361
30K → 20M42338-296#18361#18657
20M → 21M25447-422#18657#19079
21M → 35K9926+73#19079#19006
35K → 23M27361-334#19006#19340
23M → 24M25259-234#19340#19574
24M → 40K4591-46#19574#19620
40K → 25.2M1278-66#19620#19686
25.2M → Finish12813+115#19686#19571
TOTALS8036093-5290
📊

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