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BOSTON MARATHON 2025

Alison Mohsen

Bib: 13164•F

KS

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 49%
Gender (Female)
#0 / 12228
Top 35%
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
23:38
Rank: #13202
Start → 5K
7:36/mi
23:38 split
10K· 6.21 mi
47:53
Rank: #13960 (-758)
5K → 10K
7:48/mi
24:15 split
15K· 9.32 mi
1:12:00
Rank: #13985 (-25)
10K → 15K
7:46/mi
24:07 split
20K· 12.43 mi
1:36:23
Rank: #13867 (+118)
15K → 20K
7:51/mi
24:23 split
Half· 13.11 mi
1:41:41
Rank: #13870 (-3)
20K → Half
7:46/mi
5:18 split
25K· 15.53 mi
2:00:42
Rank: #13622 (+248)
Half → 25K
7:51/mi
19:01 split
30K· 18.64 mi
2:26:24
Rank: #13524 (+98)
25K → 30K
8:16/mi
25:42 split
20M
2:38:07
Rank: #13571 (-47)
30K → 20M
8:37/mi
11:43 split
21M
2:47:27
Rank: #13647 (-76)
20M → 21M
9:20/mi
9:20 split
35K· 21.75 mi
2:53:51
Rank: #13731 (-84)
21M → 35K
8:33/mi
6:24 split
23M
3:04:38
Rank: #13737 (-6)
35K → 23M
8:37/mi
10:47 split
24M
3:13:07
Rank: #13774 (-37)
23M → 24M
8:29/mi
8:29 split
40K· 24.85 mi
3:20:36
Rank: #13816 (-42)
24M → 40K
8:45/mi
7:29 split
25.2M
3:23:56
Rank: #13828 (-12)
40K → 25.2M
9:40/mi
3:20 split
Finish· 26.22 mi
3:32:38
Rank: #13933 (-105)
25.2M → Finish
8:32/mi
8:42 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:41
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:50:57
Pace8:28 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:4423:387:3623:38
7:36
-
10K
6.21 mi11:16:5947:537:4224:15
7:48
+0:12
15K
9.32 mi11:41:061:12:007:4324:07
7:46
-0:02
20K
12.43 mi12:05:291:36:237:4524:23
7:51
+0:05
Half
13.11 mi12:10:471:41:417:455:18
7:46
-0:05
25K
15.53 mi12:29:482:00:427:4619:01
7:51
+0:05
30K
18.64 mi12:55:302:26:247:5125:42
8:16
+0:25
20M
20.00 mi13:07:132:38:077:5411:43
8:37
+0:21
21M
21.00 mi13:16:332:47:277:589:20
9:20
+0:43
35K
21.75 mi13:22:572:53:518:006:24
8:33
-0:47
23M
23.00 mi13:33:443:04:388:0210:47
8:37
+0:04
24M
24.00 mi13:42:133:13:078:038:29
8:29
-0:08
40K
24.85 mi13:49:423:20:368:047:29
8:45
+0:16
25.2M
25.20 mi13:53:023:23:568:063:20
9:40
+0:55
Finish
26.22 mi14:01:443:32:388:078:42
8:32
-1:08

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

7:36 /mi

Average Pace

8:07 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:42

57% of race

Time at Steady Pace

1:19:16

37% of race

Time at Slower Pace

12:40

6% of race

Average Pace: 8:07 /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 mi10:52:4423:387:3623:38
7:36
#13202
10K
6.21 mi11:16:5947:537:4224:15
7:48
#13960
15K
9.32 mi11:41:061:12:007:4324:07
7:46
#13985
20K
12.43 mi12:05:291:36:237:4524:23
7:51
#13867
Half
13.11 mi12:10:471:41:417:455:18
7:46
#13870
25K
15.53 mi12:29:482:00:427:4619:01
7:51
#13622
30K
18.64 mi12:55:302:26:247:5125:42
8:16
#13524
20M
20.00 mi13:07:132:38:077:5411:43
8:37
#13571
21M
21.00 mi13:16:332:47:277:589:20
9:20
#13647
35K
21.75 mi13:22:572:53:518:006:24
8:33
#13731
23M
23.00 mi13:33:443:04:388:0210:47
8:37
#13737
24M
24.00 mi13:42:133:13:078:038:29
8:29
#13774
40K
24.85 mi13:49:423:20:368:047:29
8:45
#13816
25.2M
25.20 mi13:53:023:23:568:063:20
9:40
#13828
Finish
26.22 mi14:01:443:32:388:078:42
8:32
#13933
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi132023439343914061(Top 50%)4053(Top 33%)4053(Top 74%)
10K6.21 mi3.10 mi13960-7583916-4773916-47714879(Top 52%)4467(Top 37%)4467(Top 82%)
15K9.32 mi3.11 mi13985-253961-453961-4514061(Top 50%)4053(Top 33%)4053(Top 74%)
20K12.43 mi3.11 mi13867+1183935+263935+2613686(Top 48%)3925(Top 32%)3925(Top 72%)
Half13.11 mi0.68 mi13870-33941-63941-614070(Top 50%)4103(Top 34%)4103(Top 75%)
25K15.53 mi2.42 mi13622+2483832+1093832+10912721(Top 45%)3518(Top 29%)3518(Top 64%)
30K18.64 mi3.11 mi13524+983833-13833-113326(Top 47%)4017(Top 33%)4017(Top 73%)
20M20.00 mi1.36 mi13571-473891-583891-5814571(Top 51%)4812(Top 39%)4812(Top 88%)
21M21.00 mi1.00 mi13647-763977-863977-8615323(Top 54%)5353(Top 44%)5353(Top 98%)
35K21.75 mi0.75 mi13731-844041-644041-6415809(Top 56%)5666(Top 46%)5666(Top 104%)
23M23.00 mi1.25 mi13737-64080-394080-3914026(Top 49%)4804(Top 39%)4804(Top 88%)
24M24.00 mi1.00 mi13774-374136-564136-5614401(Top 51%)5028(Top 41%)5028(Top 92%)
40K24.85 mi0.85 mi13816-424193-574193-5714934(Top 53%)5479(Top 45%)5479(Top 100%)
25.2M25.20 mi0.35 mi13828-124213-204213-2015465(Top 54%)5789(Top 47%)5789(Top 106%)
Finish26.22 mi1.02 mi13933-1054282-694282-6916464(Top 58%)6274(Top 51%)6274(Top 115%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

14061

Females

4053

F18-39

4053

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

14879

Females

4467

F18-39

4467

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

14061

Females

4053

F18-39

4053

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

13686

Females

3925

F18-39

3925

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

14070

Females

4103

F18-39

4103

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

12721

Females

3518

F18-39

3518

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

13326

Females

4017

F18-39

4017

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

14571

Females

4812

F18-39

4812

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

15323

Females

5353

F18-39

5353

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

15809

Females

5666

F18-39

5666

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

14026

Females

4804

F18-39

4804

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

14401

Females

5028

F18-39

5028

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14934

Females

5479

F18-39

5479

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15465

Females

5789

F18-39

5789

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

16464

Females

6274

F18-39

6274

Passing Analysis

Category:
Athletes Passed
1704
Passed By
2435
Net Change
-731
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13202
5K → 10K79837-758#13202#13960
10K → 15K183208-25#13960#13985
15K → 20K265147+118#13985#13867
20K → Half2932-3#13867#13870
Half → 25K31365+248#13870#13622
25K → 30K279181+98#13622#13524
30K → 20M108155-47#13524#13571
20M → 21M81157-76#13571#13647
21M → 35K36120-84#13647#13731
35K → 23M113119-6#13731#13737
23M → 24M76113-37#13737#13774
24M → 40K74116-42#13774#13816
40K → 25.2M3143-12#13816#13828
25.2M → Finish37142-105#13828#13933
TOTALS17042435-731
📊

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