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BOSTON MARATHON 2025

Alexandria Schweitzer

Bib: 13938•F

OR

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 44%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:05
Rank: #11642
Start → 5K
7:26/mi
23:05 split
10K· 6.21 mi
46:44
Rank: #12331 (-689)
5K → 10K
7:37/mi
23:39 split
15K· 9.32 mi
1:10:54
Rank: #12935 (-604)
10K → 15K
7:47/mi
24:10 split
20K· 12.43 mi
1:37:07
Rank: #14387 (-1452)
15K → 20K
8:26/mi
26:13 split
Half· 13.11 mi
1:42:37
Rank: #14460 (-73)
20K → Half
8:04/mi
5:30 split
25K· 15.53 mi
2:03:16
Rank: #15048 (-588)
Half → 25K
8:31/mi
20:39 split
30K· 18.64 mi
2:31:59
Rank: #15889 (-841)
25K → 30K
9:15/mi
28:43 split
20M
2:44:12
Rank: #15938 (-49)
30K → 20M
8:59/mi
12:13 split
21M
2:53:55
Rank: #15960 (-22)
20M → 21M
9:43/mi
9:43 split
35K· 21.75 mi
3:00:26
Rank: #15956 (+4)
21M → 35K
8:43/mi
6:31 split
23M
3:11:44
Rank: #15931 (+25)
35K → 23M
9:02/mi
11:18 split
24M
3:20:33
Rank: #15945 (-14)
23M → 24M
8:49/mi
8:49 split
40K· 24.85 mi
3:28:33
Rank: #16020 (-75)
24M → 40K
9:21/mi
8:00 split
25.2M
3:32:18
Rank: #16105 (-85)
40K → 25.2M
10:52/mi
3:45 split
Finish· 26.22 mi
3:40:32
Rank: #16004 (+101)
25.2M → Finish
8:05/mi
8:14 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:37
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:57:55
Pace9:00 /mi
📊Positive Split: 14.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:2923:057:2623:05
7:26
-
10K
6.21 mi11:18:0846:447:3123:39
7:37
+0:11
15K
9.32 mi11:42:181:10:547:3624:10
7:47
+0:10
20K
12.43 mi12:08:311:37:077:4926:13
8:26
+0:39
Half
13.11 mi12:14:011:42:377:505:30
8:04
-0:22
25K
15.53 mi12:34:402:03:167:5620:39
8:31
+0:27
30K
18.64 mi13:03:232:31:598:0928:43
9:15
+0:44
20M
20.00 mi13:15:362:44:128:1312:13
8:59
-0:16
21M
21.00 mi13:25:192:53:558:179:43
9:43
+0:44
35K
21.75 mi13:31:503:00:268:186:31
8:43
-1:00
23M
23.00 mi13:43:083:11:448:2011:18
9:02
+0:19
24M
24.00 mi13:51:573:20:338:218:49
8:49
-0:13
40K
24.85 mi13:59:573:28:338:238:00
9:21
+0:32
25.2M
25.20 mi14:03:423:32:188:253:45
10:52
+1:31
Finish
26.22 mi14:11:563:40:328:258:14
8:05
-2:47

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

7:26 /mi

Average Pace

8:25 /mi

Slowest Pace

10:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:24:38

38% of race

Time at Steady Pace

1:25:43

39% of race

Time at Slower Pace

50:11

23% of race

Average Pace: 8:25 /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 mi10:54:2923:057:2623:05
7:26
#11642
10K
6.21 mi11:18:0846:447:3123:39
7:37
#12331
15K
9.32 mi11:42:181:10:547:3624:10
7:47
#12935
20K
12.43 mi12:08:311:37:077:4926:13
8:26
#14387
Half
13.11 mi12:14:011:42:377:505:30
8:04
#14460
25K
15.53 mi12:34:402:03:167:5620:39
8:31
#15048
30K
18.64 mi13:03:232:31:598:0928:43
9:15
#15889
20M
20.00 mi13:15:362:44:128:1312:13
8:59
#15938
21M
21.00 mi13:25:192:53:558:179:43
9:43
#15960
35K
21.75 mi13:31:503:00:268:186:31
8:43
#15956
23M
23.00 mi13:43:083:11:448:2011:18
9:02
#15931
24M
24.00 mi13:51:573:20:338:218:49
8:49
#15945
40K
24.85 mi13:59:573:28:338:238:00
9:21
#16020
25.2M
25.20 mi14:03:423:32:188:253:45
10:52
#16105
Finish
26.22 mi14:11:563:40:328:258:14
8:05
#16004
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi116422606260614205(Top 50%)4144(Top 34%)4144(Top 76%)
10K6.21 mi3.10 mi12331-6892979-3732979-37313157(Top 46%)3469(Top 28%)3469(Top 63%)
15K9.32 mi3.11 mi12935-6043351-3723351-37214205(Top 50%)4144(Top 34%)4144(Top 76%)
20K12.43 mi3.11 mi14387-14524227-8764227-87617797(Top 63%)6221(Top 51%)6221(Top 114%)
Half13.11 mi0.68 mi14460-734275-484275-4816423(Top 58%)5428(Top 44%)5428(Top 99%)
25K15.53 mi2.42 mi15048-5884639-3644639-36417306(Top 61%)6028(Top 49%)6028(Top 110%)
30K18.64 mi3.11 mi15889-8415160-5215160-52118862(Top 66%)7042(Top 58%)7042(Top 129%)
20M20.00 mi1.36 mi15938-495234-745234-7416742(Top 59%)5995(Top 49%)5995(Top 110%)
21M21.00 mi1.00 mi15960-225279-455279-4517121(Top 60%)6319(Top 52%)6319(Top 116%)
35K21.75 mi0.75 mi15956+45301-225301-2216768(Top 59%)6192(Top 51%)6192(Top 113%)
23M23.00 mi1.25 mi15931+255330-295330-2916421(Top 58%)6126(Top 50%)6126(Top 112%)
24M24.00 mi1.00 mi15945-145345-155345-1516430(Top 58%)6166(Top 50%)6166(Top 113%)
40K24.85 mi0.85 mi16020-755415-705415-7018112(Top 64%)7170(Top 59%)7170(Top 131%)
25.2M25.20 mi0.35 mi16105-855469-545469-5420264(Top 71%)8284(Top 68%)8284(Top 151%)
Finish26.22 mi1.02 mi16004+1015432+375432+3713484(Top 47%)4692(Top 38%)4692(Top 86%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

14205

Females

4144

F18-39

4144

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

13157

Females

3469

F18-39

3469

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

14205

Females

4144

F18-39

4144

15K→20K

9.3 - 12.4 mi

Top 63%
×5story building
+106ft-86ft

Overall

17797

Females

6221

F18-39

6221

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

16423

Females

5428

F18-39

5428

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

17306

Females

6028

F18-39

6028

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

18862

Females

7042

F18-39

7042

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

16742

Females

5995

F18-39

5995

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

17121

Females

6319

F18-39

6319

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

16768

Females

6192

F18-39

6192

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

16421

Females

6126

F18-39

6126

23M→24M

23.0 - 24.0 mi

Top 58%
×6story building
+12ft-82ft

Overall

16430

Females

6166

F18-39

6166

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

18112

Females

7170

F18-39

7170

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20264

Females

8284

F18-39

8284

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

13484

Females

4692

F18-39

4692

Passing Analysis

Category:
Athletes Passed
962
Passed By
5324
Net Change
-4362
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11642
5K → 10K62751-689#11642#12331
10K → 15K54658-604#12331#12935
15K → 20K341486-1452#12935#14387
20K → Half2194-73#14387#14460
Half → 25K65653-588#14460#15048
25K → 30K76917-841#15048#15889
30K → 20M98147-49#15889#15938
20M → 21M105127-22#15938#15960
21M → 35K7369+4#15960#15956
35K → 23M12297+25#15956#15931
23M → 24M6579-14#15931#15945
24M → 40K53128-75#15945#16020
40K → 25.2M1297-85#16020#16105
25.2M → Finish12221+101#16105#16004
TOTALS9625324-4362
📊

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