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BOSTON MARATHON 2025

Assel Akylbayeva

Bib: 16074•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 19%
Gender (Female)
#0 / 12228
Top 4%
Division (F18-39)
#0 / 5469
Top 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:30
Rank: #4607
Start → 5K
20:30 | 6:36/mi
10K· 6.21 mi
41:09
Rank: #4689 (-82)
5K → 10K
20:39 | 6:39/mi
15K· 9.32 mi
1:02:06
Rank: #4905 (-216)
10K → 15K
20:57 | 6:45/mi
20K· 12.43 mi
1:23:26
Rank: #5114 (-209)
15K → 20K
21:20 | 6:52/mi
Half· 13.11 mi
1:28:03
Rank: #5136 (-22)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:44:57
Rank: #5330 (-194)
Half → 25K
16:54 | 6:58/mi
30K· 18.64 mi
2:07:29
Rank: #5507 (-177)
25K → 30K
22:32 | 7:15/mi
20M
2:17:28
Rank: #5555 (-48)
30K → 20M
9:59 | 7:21/mi
21M
2:25:45
Rank: #5695 (-140)
20M → 21M
8:17 | 8:17/mi
35K· 21.75 mi
2:31:11
Rank: #5706 (-11)
21M → 35K
5:26 | 7:16/mi
23M
2:40:15
Rank: #5606 (+100)
35K → 23M
9:04 | 7:14/mi
24M
2:47:12
Rank: #5498 (+108)
23M → 24M
6:57 | 6:57/mi
40K· 24.85 mi
2:53:10
Rank: #5392 (+106)
24M → 40K
5:58 | 6:59/mi
25.2M
2:55:50
Rank: #5349 (+43)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
3:02:50
Rank: #5276 (+73)
25.2M → Finish
7:00 | 6:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:03
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:34:47
Pace7:14 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5520:306:3620:30
6:36
-
10K
6.21 mi11:13:3441:096:3720:39
6:39
+0:03
15K
9.32 mi11:34:311:02:066:4020:57
6:45
+0:06
20K
12.43 mi11:55:511:23:266:4321:20
6:52
+0:07
Half
13.11 mi12:00:281:28:036:434:37
6:46
-0:06
25K
15.53 mi12:17:221:44:576:4516:54
6:58
+0:12
30K
18.64 mi12:39:542:07:296:5022:32
7:15
+0:17
20M
20.00 mi12:49:532:17:286:529:59
7:21
+0:06
21M
21.00 mi12:58:102:25:456:568:17
8:17
+0:56
35K
21.75 mi13:03:362:31:116:575:26
7:16
-1:01
23M
23.00 mi13:12:402:40:156:589:04
7:14
-0:02
24M
24.00 mi13:19:372:47:126:586:57
6:57
-0:17
40K
24.85 mi13:25:352:53:106:585:58
6:59
+0:02
25.2M
25.20 mi13:28:152:55:506:592:40
7:44
+0:45
Finish
26.22 mi13:35:153:02:506:597:00
6:52
-0:52

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

6:36 /mi

Average Pace

6:59 /mi

Slowest Pace

8:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:02:06

34% of race

Time at Steady Pace

1:02:46

34% of race

Time at Slower Pace

57:58

32% of race

Average Pace: 6:58 /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 mi10:52:5520:306:3620:30
6:36
#4607
10K
6.21 mi11:13:3441:096:3720:39
6:39
#4689
15K
9.32 mi11:34:311:02:066:4020:57
6:45
#4905
20K
12.43 mi11:55:511:23:266:4321:20
6:52
#5114
Half
13.11 mi12:00:281:28:036:434:37
6:46
#5136
25K
15.53 mi12:17:221:44:576:4516:54
6:58
#5330
30K
18.64 mi12:39:542:07:296:5022:32
7:15
#5507
20M
20.00 mi12:49:532:17:286:529:59
7:21
#5555
21M
21.00 mi12:58:102:25:456:568:17
8:17
#5695
35K
21.75 mi13:03:362:31:116:575:26
7:16
#5706
23M
23.00 mi13:12:402:40:156:589:04
7:14
#5606
24M
24.00 mi13:19:372:47:126:586:57
6:57
#5498
40K
24.85 mi13:25:352:53:106:585:58
6:59
#5392
25.2M
25.20 mi13:28:152:55:506:592:40
7:44
#5349
Finish
26.22 mi13:35:153:02:506:597:00
6:52
#5276
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi46072792795531(Top 19%)450(Top 4%)450(Top 8%)
10K6.21 mi3.10 mi4689-82287-8287-84869(Top 17%)312(Top 3%)312(Top 6%)
15K9.32 mi3.11 mi4905-216319-32319-325531(Top 19%)450(Top 4%)450(Top 8%)
20K12.43 mi3.11 mi5114-209357-38357-385933(Top 21%)540(Top 4%)540(Top 10%)
Half13.11 mi0.68 mi5136-22361-4361-45932(Top 21%)530(Top 4%)530(Top 10%)
25K15.53 mi2.42 mi5330-194405-44405-446133(Top 22%)616(Top 5%)616(Top 11%)
30K18.64 mi3.11 mi5507-177452-47452-476191(Top 22%)721(Top 6%)721(Top 13%)
20M20.00 mi1.36 mi5555-48468-16468-166075(Top 21%)808(Top 7%)808(Top 15%)
21M21.00 mi1.00 mi5695-140504-36504-369131(Top 32%)2211(Top 18%)2211(Top 40%)
35K21.75 mi0.75 mi5706-11514-10514-107003(Top 25%)1276(Top 10%)1276(Top 23%)
23M23.00 mi1.25 mi5606+100513+1513+15144(Top 18%)708(Top 6%)708(Top 13%)
24M24.00 mi1.00 mi5498+108507+6507+64386(Top 15%)545(Top 4%)545(Top 10%)
40K24.85 mi0.85 mi5392+106493+14493+143811(Top 13%)456(Top 4%)456(Top 8%)
25.2M25.20 mi0.35 mi5349+43496-3496-34585(Top 16%)732(Top 6%)732(Top 13%)
Finish26.22 mi1.02 mi5276+73492+4492+44920(Top 17%)840(Top 7%)840(Top 15%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5531

Females

450

F18-39

450

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4869

Females

312

F18-39

312

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5531

Females

450

F18-39

450

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5933

Females

540

F18-39

540

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5932

Females

530

F18-39

530

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

6133

Females

616

F18-39

616

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

6191

Females

721

F18-39

721

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

6075

Females

808

F18-39

808

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

9131

Females

2211

F18-39

2211

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

7003

Females

1276

F18-39

1276

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

5144

Females

708

F18-39

708

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4386

Females

545

F18-39

545

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3811

Females

456

F18-39

456

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4585

Females

732

F18-39

732

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4920

Females

840

F18-39

840

Passing Analysis

Category:
Athletes Passed
1090
Passed By
1759
Net Change
-669
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4607
5K → 10K142224-82#4607#4689
10K → 15K49265-216#4689#4905
15K → 20K70279-209#4905#5114
20K → Half1638-22#5114#5136
Half → 25K63257-194#5136#5330
25K → 30K127304-177#5330#5507
30K → 20M60108-48#5507#5555
20M → 21M28168-140#5555#5695
21M → 35K3748-11#5695#5706
35K → 23M13131+100#5706#5606
23M → 24M11810+108#5606#5498
24M → 40K1104+106#5498#5392
40K → 25.2M485+43#5392#5349
25.2M → Finish9118+73#5349#5276
TOTALS10901759-669
📊

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