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BOSTON MARATHON 2025

Alexandra Raikhlina

Bib: 15263•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 40%
Gender (Female)
#0 / 12228
Top 24%
Division (F18-39)
#0 / 5469
Top 41%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:11
Rank: #9000
Start → 5K
22:11 | 7:08/mi
10K· 6.21 mi
45:17
Rank: #10247 (-1247)
5K → 10K
23:06 | 7:26/mi
15K· 9.32 mi
1:08:32
Rank: #10657 (-410)
10K → 15K
23:15 | 7:29/mi
20K· 12.43 mi
1:31:48
Rank: #10638 (+19)
15K → 20K
23:16 | 7:29/mi
Half· 13.11 mi
1:36:48
Rank: #10613 (+25)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:55:41
Rank: #10873 (-260)
Half → 25K
18:53 | 7:47/mi
30K· 18.64 mi
2:20:20
Rank: #10851 (+22)
25K → 30K
24:39 | 7:56/mi
20M
2:32:17
Rank: #11203 (-352)
30K → 20M
11:57 | 8:48/mi
21M
2:41:00
Rank: #11211 (-8)
20M → 21M
8:43 | 8:43/mi
35K· 21.75 mi
2:46:59
Rank: #11223 (-12)
21M → 35K
5:59 | 8:00/mi
23M
2:57:20
Rank: #11231 (-8)
35K → 23M
10:21 | 8:16/mi
24M
3:05:35
Rank: #11267 (-36)
23M → 24M
8:15 | 8:15/mi
40K· 24.85 mi
3:12:49
Rank: #11322 (-55)
24M → 40K
7:14 | 8:28/mi
25.2M
3:16:04
Rank: #11364 (-42)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:24:18
Rank: #11442 (-78)
25.2M → Finish
8:14 | 8:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:48
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time1:47:30
Pace8:12 /mi
📊Positive Split: 11.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:3422:117:0822:11
7:08
-
10K
6.21 mi11:17:4045:177:1723:06
7:26
+0:18
15K
9.32 mi11:40:551:08:327:2123:15
7:29
+0:03
20K
12.43 mi12:04:111:31:487:2323:16
7:29
0:00
Half
13.11 mi12:09:111:36:487:235:00
7:20
-0:09
25K
15.53 mi12:28:041:55:417:2718:53
7:47
+0:27
30K
18.64 mi12:52:432:20:207:3224:39
7:56
+0:09
20M
20.00 mi13:04:402:32:177:3711:57
8:48
+0:52
21M
21.00 mi13:13:232:41:007:408:43
8:43
-0:05
35K
21.75 mi13:19:222:46:597:415:59
8:00
-0:43
23M
23.00 mi13:29:432:57:207:4310:21
8:16
+0:16
24M
24.00 mi13:37:583:05:357:448:15
8:15
-0:01
40K
24.85 mi13:45:123:12:497:457:14
8:28
+0:13
25.2M
25.20 mi13:48:273:16:047:473:15
9:25
+0:57
Finish
26.22 mi13:56:413:24:187:488:14
8:05
-1:20

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

7:08 /mi

Average Pace

7:48 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:48

47% of race

Time at Steady Pace

1:16:21

37% of race

Time at Slower Pace

31:09

15% of race

Average Pace: 7:48 /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 mi10:54:3422:117:0822:11
7:08
#9000
10K
6.21 mi11:17:4045:177:1723:06
7:26
#10247
15K
9.32 mi11:40:551:08:327:2123:15
7:29
#10657
20K
12.43 mi12:04:111:31:487:2323:16
7:29
#10638
Half
13.11 mi12:09:111:36:487:235:00
7:20
#10613
25K
15.53 mi12:28:041:55:417:2718:53
7:47
#10873
30K
18.64 mi12:52:432:20:207:3224:39
7:56
#10851
20M
20.00 mi13:04:402:32:177:3711:57
8:48
#11203
21M
21.00 mi13:13:232:41:007:408:43
8:43
#11211
35K
21.75 mi13:19:222:46:597:415:59
8:00
#11223
23M
23.00 mi13:29:432:57:207:4310:21
8:16
#11231
24M
24.00 mi13:37:583:05:357:448:15
8:15
#11267
40K
24.85 mi13:45:123:12:497:457:14
8:28
#11322
25.2M
25.20 mi13:48:273:16:047:473:15
9:25
#11364
Finish
26.22 mi13:56:413:24:187:488:14
8:05
#11442
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi90001376137611645(Top 41%)2714(Top 22%)2714(Top 50%)
10K6.21 mi3.10 mi10247-12471930-5541930-55411523(Top 41%)2578(Top 21%)2578(Top 47%)
15K9.32 mi3.11 mi10657-4102161-2312161-23111645(Top 41%)2714(Top 22%)2714(Top 50%)
20K12.43 mi3.11 mi10638+192168-72168-710691(Top 38%)2314(Top 19%)2314(Top 42%)
Half13.11 mi0.68 mi10613+252155+132155+1310368(Top 37%)2148(Top 18%)2148(Top 39%)
25K15.53 mi2.42 mi10873-2602318-1632318-16312252(Top 43%)3250(Top 27%)3250(Top 59%)
30K18.64 mi3.11 mi10851+222388-702388-7010919(Top 38%)2738(Top 22%)2738(Top 50%)
20M20.00 mi1.36 mi11203-3522614-2262614-22615627(Top 55%)5371(Top 44%)5371(Top 98%)
21M21.00 mi1.00 mi11211-82664-502664-5011805(Top 42%)3490(Top 29%)3490(Top 64%)
35K21.75 mi0.75 mi11223-122691-272691-2712269(Top 43%)3776(Top 31%)3776(Top 69%)
23M23.00 mi1.25 mi11231-82739-482739-4811837(Top 42%)3648(Top 30%)3648(Top 67%)
24M24.00 mi1.00 mi11267-362803-642803-6412920(Top 45%)4270(Top 35%)4270(Top 78%)
40K24.85 mi0.85 mi11322-552862-592862-5913188(Top 46%)4533(Top 37%)4533(Top 83%)
25.2M25.20 mi0.35 mi11364-422905-432905-4314162(Top 50%)5082(Top 42%)5082(Top 93%)
Finish26.22 mi1.02 mi11442-782975-702975-7013457(Top 47%)4665(Top 38%)4665(Top 85%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21stories
+97ft-345ft

Overall

11645

Females

2714

F18-39

2714

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

11523

Females

2578

F18-39

2578

10K→15K

6.2 - 9.3 mi

Top 41%
×3stories
+67ft-78ft

Overall

11645

Females

2714

F18-39

2714

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10691

Females

2314

F18-39

2314

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

10368

Females

2148

F18-39

2148

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

12252

Females

3250

F18-39

3250

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10919

Females

2738

F18-39

2738

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

15627

Females

5371

F18-39

5371

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

11805

Females

3490

F18-39

3490

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

12269

Females

3776

F18-39

3776

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

11837

Females

3648

F18-39

3648

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

12920

Females

4270

F18-39

4270

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

13188

Females

4533

F18-39

4533

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14162

Females

5082

F18-39

5082

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

13457

Females

4665

F18-39

4665

Passing Analysis

Category:
Athletes Passed
1192
Passed By
3632
Net Change
-2442
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9000
5K → 10K211266-1247#9000#10247
10K → 15K76486-410#10247#10657
15K → 20K176157+19#10657#10638
20K → Half4924+25#10638#10613
Half → 25K101361-260#10613#10873
25K → 30K253231+22#10873#10851
30K → 20M49401-352#10851#11203
20M → 21M102110-8#11203#11211
21M → 35K5163-12#11211#11223
35K → 23M107115-8#11223#11231
23M → 24M77113-36#11231#11267
24M → 40K54109-55#11267#11322
40K → 25.2M2567-42#11322#11364
25.2M → Finish51129-78#11364#11442
TOTALS11923632-2442
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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