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BOSTON MARATHON 2025

Alexandra Aeschliman

Bib: 9994•F

OR

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 12%
Gender (Female)
#0 / 12228
Top 2%
Division (F18-39)
#0 / 5469
Top 4%
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
6:46/mi
21:01
↑ 97↓ 3451.5%
10K· 6.21 mi
6:32/mi
41:18
↑ 79↓ 1380.4%
15K· 9.32 mi
6:32/mi
1:01:35
↑ 67↓ 78
20K· 12.43 mi
6:37/mi
1:22:07
↑ 106↓ 860.1%
Half· 13.11 mi
6:25/mi
1:26:30
↑ 19↓ 370.5%
25K· 15.53 mi
6:39/mi
1:42:38
↑ 66↓ 880.2%
30K· 18.64 mi
6:50/mi
2:03:52
↑ 181↓ 1480.2%
20M
6:54/mi
2:13:14
↑ 64↓ 500.2%
21M
7:12/mi
2:20:26
↑ 106↓ 241.6%
35K· 21.75 mi
6:42/mi
2:25:27
↑ 17↓ 861.7%
23M
6:52/mi
2:34:03
↑ 23↓ 630.6%
24M
6:41/mi
2:40:44
↓ 821.3%
40K· 24.85 mi
6:48/mi
2:46:33
↓ 200.3%
25.2M
7:15/mi
2:49:03
↑ 13↓ 160.2%
Finish· 26.22 mi
6:34/mi
2:55:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:30
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:29:14
Pace6:48 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1821:016:4621:01
6:46
-
10K
6.21 mi11:07:3541:186:3920:17
6:32
-0:14
15K
9.32 mi11:27:521:01:356:3620:17
6:32
0:00
20K
12.43 mi11:48:241:22:076:3620:32
6:37
+0:05
Half
13.11 mi11:52:471:26:306:364:23
6:25
-0:12
25K
15.53 mi12:08:551:42:386:3616:08
6:39
+0:14
30K
18.64 mi12:30:092:03:526:3921:14
6:50
+0:11
20M
20.00 mi12:39:312:13:146:409:22
6:54
+0:04
21M
21.00 mi12:46:432:20:266:417:12
7:12
+0:18
35K
21.75 mi12:51:442:25:276:415:01
6:42
-0:30
23M
23.00 mi13:00:202:34:036:428:36
6:52
+0:10
24M
24.00 mi13:07:012:40:446:426:41
6:41
-0:11
40K
24.85 mi13:12:502:46:336:425:49
6:48
+0:07
25.2M
25.20 mi13:15:202:49:036:432:30
7:15
+0:27
Finish
26.22 mi13:22:012:55:446:426:41
6:34
-0:41

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

6:25 /mi

Average Pace

6:42 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:02

94% of race

Time at Steady Pace

9:42

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:42 /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 mi10:47:1821:016:4621:01
6:46
#6065
10K
6.21 mi11:07:3541:186:3920:17
6:32
#4911
15K
9.32 mi11:27:521:01:356:3620:17
6:32
#4461
20K
12.43 mi11:48:241:22:076:3620:32
6:37
#4241
Half
13.11 mi11:52:471:26:306:364:23
6:25
#4156
25K
15.53 mi12:08:551:42:386:3616:08
6:39
#4043
30K
18.64 mi12:30:092:03:526:3921:14
6:50
#3920
20M
20.00 mi12:39:312:13:146:409:22
6:54
#3849
21M
21.00 mi12:46:432:20:266:417:12
7:12
#3769
35K
21.75 mi12:51:442:25:276:415:01
6:42
#3745
23M
23.00 mi13:00:202:34:036:428:36
6:52
#3668
24M
24.00 mi13:07:012:40:446:426:41
6:41
#3587
40K
24.85 mi13:12:502:46:336:425:49
6:48
#3523
25.2M
25.20 mi13:15:202:49:036:432:30
7:15
#3468
Finish
26.22 mi13:22:012:55:446:426:41
6:34
#3418
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi60654834833748(Top 13%)204(Top 2%)204(Top 4%)
10K6.21 mi3.10 mi4911+1154318+165318+1653948(Top 14%)222(Top 2%)222(Top 4%)
15K9.32 mi3.11 mi4461+450259+59259+593748(Top 13%)204(Top 2%)204(Top 4%)
20K12.43 mi3.11 mi4241+220246+13246+133767(Top 13%)203(Top 2%)203(Top 4%)
Half13.11 mi0.68 mi4156+85238+8238+83297(Top 12%)160(Top 1%)160(Top 3%)
25K15.53 mi2.42 mi4043+113234+4234+43834(Top 13%)233(Top 2%)233(Top 4%)
30K18.64 mi3.11 mi3920+123225+9225+93669(Top 13%)259(Top 2%)259(Top 5%)
20M20.00 mi1.36 mi3849+71221+4221+43503(Top 12%)255(Top 2%)255(Top 5%)
21M21.00 mi1.00 mi3769+80217+4217+43170(Top 11%)235(Top 2%)235(Top 4%)
35K21.75 mi0.75 mi3745+24218-1218-13597(Top 13%)321(Top 3%)321(Top 6%)
23M23.00 mi1.25 mi3668+77216+2216+23082(Top 11%)255(Top 2%)255(Top 5%)
24M24.00 mi1.00 mi3587+812162162937(Top 10%)257(Top 2%)257(Top 5%)
40K24.85 mi0.85 mi3523+64215+1215+12896(Top 10%)268(Top 2%)268(Top 5%)
25.2M25.20 mi0.35 mi3468+55213+2213+22399(Top 8%)242(Top 2%)242(Top 4%)
Finish26.22 mi1.02 mi3418+50212+1212+13134(Top 11%)338(Top 3%)338(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21story building
+97ft-345ft

Overall

3748

Females

204

F18-39

204

5K→10K

3.1 - 6.2 mi

Top 14%
×5story building
+79ft-138ft

Overall

3948

Females

222

F18-39

222

10K→15K

6.2 - 9.3 mi

Top 13%
×3story building
+67ft-78ft

Overall

3748

Females

204

F18-39

204

15K→20K

9.3 - 12.4 mi

Top 13%
×5story building
+106ft-86ft

Overall

3767

Females

203

F18-39

203

20K→Half

12.4 - 13.1 mi

Top 12%
×2story building
+19ft-37ft

Overall

3297

Females

160

F18-39

160

Half→25K

13.1 - 15.5 mi

Top 13%
×4story building
+66ft-88ft

Overall

3834

Females

233

F18-39

233

25K→30K

15.5 - 18.6 mi

Top 13%
×9story building
+181ft-148ft

Overall

3669

Females

259

F18-39

259

30K→20M

18.6 - 20.0 mi

Top 12%
×5story building
+64ft-50ft

Overall

3503

Females

255

F18-39

255

20M→21M

20.0 - 21.0 mi

Top 11%
×8story building
+106ft-24ft

Overall

3170

Females

235

F18-39

235

21M→35K

21.0 - 21.8 mi

Top 13%
×7story building
+17ft-86ft

Overall

3597

Females

321

F18-39

321

35K→23M

21.8 - 23.0 mi

Top 11%
×5story building
+23ft-63ft

Overall

3082

Females

255

F18-39

255

23M→24M

23.0 - 24.0 mi

Top 10%
×6story building
+12ft-82ft

Overall

2937

Females

257

F18-39

257

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2896

Females

268

F18-39

268

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2399

Females

242

F18-39

242

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

3134

Females

338

F18-39

338

Passing Analysis

Category:
Athletes Passed
2907
Passed By
260
Net Change
+2647
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6065
5K → 10K11617+1154#6065#4911
10K → 15K4511+450#4911#4461
15K → 20K23919+220#4461#4241
20K → Half872+85#4241#4156
Half → 25K14431+113#4156#4043
25K → 30K18663+123#4043#3920
30K → 20M9221+71#3920#3849
20M → 21M10020+80#3849#3769
21M → 35K4016+24#3769#3745
35K → 23M9821+77#3745#3668
23M → 24M9413+81#3668#3587
24M → 40K8218+64#3587#3523
40K → 25.2M605+55#3523#3468
25.2M → Finish7323+50#3468#3418
TOTALS2907260+2647
📊

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