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BOSTON MARATHON 2025

Alejandra Diaz Scherenberg

Bib: 14222•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 45%
Gender (Female)
#0 / 12228
Top 30%
Division (F18-39)
#0 / 5469
Top 48%
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
7:19/mi
22:45
↑ 97↓ 3451.5%
10K· 6.21 mi
7:21/mi
45:34
↑ 79↓ 1380.4%
15K· 9.32 mi
7:26/mi
1:08:41
↑ 67↓ 78
20K· 12.43 mi
7:49/mi
1:32:58
↑ 106↓ 860.1%
Half· 13.11 mi
7:33/mi
1:38:07
↑ 19↓ 370.5%
25K· 15.53 mi
7:56/mi
1:57:21
↑ 66↓ 880.2%
30K· 18.64 mi
8:51/mi
2:24:51
↑ 181↓ 1480.2%
20M
8:39/mi
2:36:36
↑ 64↓ 500.2%
21M
9:09/mi
2:45:45
↑ 106↓ 241.6%
35K· 21.75 mi
8:09/mi
2:51:51
↑ 17↓ 861.7%
23M
8:22/mi
3:02:19
↑ 23↓ 630.6%
24M
8:15/mi
3:10:34
↓ 821.3%
40K· 24.85 mi
8:14/mi
3:17:36
↓ 200.3%
25.2M
9:02/mi
3:20:43
↑ 13↓ 160.2%
Finish· 26.22 mi
7:51/mi
3:28:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:07
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:50:36
Pace8:26 /mi
📊Positive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:1622:457:1922:45
7:19
-
10K
6.21 mi11:18:0545:347:2022:49
7:21
+0:02
15K
9.32 mi11:41:121:08:417:2223:07
7:26
+0:05
20K
12.43 mi12:05:291:32:587:2924:17
7:49
+0:23
Half
13.11 mi12:10:381:38:077:295:09
7:33
-0:16
25K
15.53 mi12:29:521:57:217:3319:14
7:56
+0:23
30K
18.64 mi12:57:222:24:517:4627:30
8:51
+0:55
20M
20.00 mi13:09:072:36:367:5011:45
8:39
-0:12
21M
21.00 mi13:18:162:45:457:549:09
9:09
+0:30
35K
21.75 mi13:24:222:51:517:546:06
8:09
-1:00
23M
23.00 mi13:34:503:02:197:5610:28
8:22
+0:13
24M
24.00 mi13:43:053:10:347:568:15
8:15
-0:07
40K
24.85 mi13:50:073:17:367:577:02
8:14
-0:01
25.2M
25.20 mi13:53:143:20:437:583:07
9:02
+0:48
Finish
26.22 mi14:01:143:28:437:588:00
7:51
-1:11

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

7:19 /mi

Average Pace

7:58 /mi

Slowest Pace

9:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:07

51% of race

Time at Steady Pace

51:05

24% of race

Time at Slower Pace

51:31

25% of race

Average Pace: 7:58 /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 mi10:55:1622:457:1922:45
7:19
#10561
10K
6.21 mi11:18:0545:347:2022:49
7:21
#10607
15K
9.32 mi11:41:121:08:417:2223:07
7:26
#10789
20K
12.43 mi12:05:291:32:587:2924:17
7:49
#11466
Half
13.11 mi12:10:381:38:077:295:09
7:33
#11507
25K
15.53 mi12:29:521:57:217:3319:14
7:56
#11799
30K
18.64 mi12:57:222:24:517:4627:30
8:51
#12824
20M
20.00 mi13:09:072:36:367:5011:45
8:39
#12978
21M
21.00 mi13:18:162:45:457:549:09
9:09
#13022
35K
21.75 mi13:24:222:51:517:546:06
8:09
#13029
23M
23.00 mi13:34:503:02:197:5610:28
8:22
#12974
24M
24.00 mi13:43:053:10:347:568:15
8:15
#12968
40K
24.85 mi13:50:073:17:367:577:02
8:14
#12895
25.2M
25.20 mi13:53:143:20:437:583:07
9:02
#12874
Finish
26.22 mi14:01:143:28:437:588:00
7:51
#12813
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi105612068206811219(Top 39%)2490(Top 20%)2490(Top 46%)
10K6.21 mi3.10 mi10607-462114-462114-4610674(Top 38%)2150(Top 18%)2150(Top 39%)
15K9.32 mi3.11 mi10789-1822222-1082222-10811219(Top 39%)2490(Top 20%)2490(Top 46%)
20K12.43 mi3.11 mi11466-6772590-3682590-36813384(Top 47%)3757(Top 31%)3757(Top 69%)
Half13.11 mi0.68 mi11507-412617-272617-2712047(Top 42%)2991(Top 24%)2991(Top 55%)
25K15.53 mi2.42 mi11799-2922819-2022819-20213330(Top 47%)3851(Top 31%)3851(Top 70%)
30K18.64 mi3.11 mi12824-10253441-6223441-62216886(Top 59%)5978(Top 49%)5978(Top 109%)
20M20.00 mi1.36 mi12978-1543565-1243565-12414677(Top 52%)4876(Top 40%)4876(Top 89%)
21M21.00 mi1.00 mi13022-443624-593624-5914313(Top 50%)4806(Top 39%)4806(Top 88%)
35K21.75 mi0.75 mi13029-73640-163640-1613227(Top 47%)4305(Top 35%)4305(Top 79%)
23M23.00 mi1.25 mi12974+553651-113651-1112371(Top 44%)3953(Top 32%)3953(Top 72%)
24M24.00 mi1.00 mi12968+63687-363687-3612861(Top 45%)4260(Top 35%)4260(Top 78%)
40K24.85 mi0.85 mi12895+733678+93678+911661(Top 41%)3752(Top 31%)3752(Top 69%)
25.2M25.20 mi0.35 mi12874+213675+33675+311881(Top 42%)3954(Top 32%)3954(Top 72%)
Finish26.22 mi1.02 mi12813+613661+143661+1411742(Top 41%)3828(Top 31%)3828(Top 70%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

11219

Females

2490

F18-39

2490

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

10674

Females

2150

F18-39

2150

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

11219

Females

2490

F18-39

2490

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

13384

Females

3757

F18-39

3757

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

12047

Females

2991

F18-39

2991

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

13330

Females

3851

F18-39

3851

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

16886

Females

5978

F18-39

5978

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

14677

Females

4876

F18-39

4876

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

14313

Females

4806

F18-39

4806

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

13227

Females

4305

F18-39

4305

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

12371

Females

3953

F18-39

3953

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

12861

Females

4260

F18-39

4260

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11661

Females

3752

F18-39

3752

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11881

Females

3954

F18-39

3954

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

11742

Females

3828

F18-39

3828

Passing Analysis

Category:
Athletes Passed
1295
Passed By
3547
Net Change
-2252
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10561
5K → 10K244290-46#10561#10607
10K → 15K119301-182#10607#10789
15K → 20K53730-677#10789#11466
20K → Half2364-41#11466#11507
Half → 25K92384-292#11507#11799
25K → 30K631088-1025#11799#12824
30K → 20M84238-154#12824#12978
20M → 21M95139-44#12978#13022
21M → 35K5057-7#13022#13029
35K → 23M13277+55#13029#12974
23M → 24M8579+6#12974#12968
24M → 40K10431+73#12968#12895
40K → 25.2M3918+21#12895#12874
25.2M → Finish11251+61#12874#12813
TOTALS12953547-2252
📊

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