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BOSTON MARATHON 2025

Assem Abylkassova

Bib: 9881•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 42%
Gender (Female)
#0 / 12228
Top 26%
Division (F18-39)
#0 / 5469
Top 44%
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
6:51/mi
21:16
↑ 97↓ 3451.5%
10K· 6.21 mi
6:51/mi
42:32
↑ 79↓ 1380.4%
15K· 9.32 mi
6:56/mi
1:04:05
↑ 67↓ 78
20K· 12.43 mi
7:13/mi
1:26:29
↑ 106↓ 860.1%
Half· 13.11 mi
7:07/mi
1:31:20
↑ 19↓ 370.5%
25K· 15.53 mi
7:42/mi
1:50:00
↑ 66↓ 880.2%
30K· 18.64 mi
8:26/mi
2:16:12
↑ 181↓ 1480.2%
20M
8:41/mi
2:28:00
↑ 64↓ 500.2%
21M
10:02/mi
2:38:02
↑ 106↓ 241.6%
35K· 21.75 mi
8:04/mi
2:44:04
↑ 17↓ 861.7%
23M
9:46/mi
2:56:18
↑ 23↓ 630.6%
24M
8:42/mi
3:05:00
↓ 821.3%
40K· 24.85 mi
8:58/mi
3:12:40
↓ 200.3%
25.2M
11:30/mi
3:16:38
↑ 13↓ 160.2%
Finish· 26.22 mi
8:53/mi
3:25:41
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:20
Pace6:58 /mi
2nd Half
Distance13.11 mi
Time1:54:21
Pace8:43 /mi
📊Positive Split: 25.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:0021:166:5121:16
6:51
-
10K
6.21 mi11:08:1642:326:5121:16
6:51
0:00
15K
9.32 mi11:29:491:04:056:5321:33
6:56
+0:05
20K
12.43 mi11:52:131:26:296:5822:24
7:13
+0:17
Half
13.11 mi11:57:041:31:206:584:51
7:07
-0:06
25K
15.53 mi12:15:441:50:007:0518:40
7:42
+0:35
30K
18.64 mi12:41:562:16:127:1826:12
8:26
+0:44
20M
20.00 mi12:53:442:28:007:2411:48
8:41
+0:15
21M
21.00 mi13:03:462:38:027:3210:02
10:02
+1:21
35K
21.75 mi13:09:482:44:047:336:02
8:04
-1:58
23M
23.00 mi13:22:022:56:187:4012:14
9:46
+1:42
24M
24.00 mi13:30:443:05:007:438:42
8:42
-1:04
40K
24.85 mi13:38:243:12:407:457:40
8:58
+0:16
25.2M
25.20 mi13:42:223:16:387:483:58
11:30
+2:32
Finish
26.22 mi13:51:253:25:417:519:03
8:53
-2:37

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

6:51 /mi

Average Pace

7:51 /mi

Slowest Pace

11:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:00

53% of race

Time at Steady Pace

1:09:27

34% of race

Time at Slower Pace

26:14

13% of race

Average Pace: 7:51 /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 mi10:47:0021:166:5121:16
6:51
#6681
10K
6.21 mi11:08:1642:326:5121:16
6:51
#6723
15K
9.32 mi11:29:491:04:056:5321:33
6:56
#6879
20K
12.43 mi11:52:131:26:296:5822:24
7:13
#7237
Half
13.11 mi11:57:041:31:206:584:51
7:07
#7273
25K
15.53 mi12:15:441:50:007:0518:40
7:42
#7803
30K
18.64 mi12:41:562:16:127:1826:12
8:26
#8900
20M
20.00 mi12:53:442:28:007:2411:48
8:41
#9384
21M
21.00 mi13:03:462:38:027:3210:02
10:02
#10049
35K
21.75 mi13:09:482:44:047:336:02
8:04
#10128
23M
23.00 mi13:22:022:56:187:4012:14
9:46
#10866
24M
24.00 mi13:30:443:05:007:438:42
8:42
#11068
40K
24.85 mi13:38:243:12:407:457:40
8:58
#11276
25.2M
25.20 mi13:42:223:16:387:483:58
11:30
#11566
Finish
26.22 mi13:51:253:25:417:519:03
8:53
#11894
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi66816136137225(Top 25%)794(Top 6%)794(Top 15%)
10K6.21 mi3.10 mi6723-42632-19632-196849(Top 24%)675(Top 6%)675(Top 12%)
15K9.32 mi3.11 mi6879-156680-48680-487225(Top 25%)794(Top 6%)794(Top 15%)
20K12.43 mi3.11 mi7237-358777-97777-978304(Top 29%)1236(Top 10%)1236(Top 23%)
Half13.11 mi0.68 mi7273-36788-11788-118453(Top 30%)1291(Top 11%)1291(Top 24%)
25K15.53 mi2.42 mi7803-530975-187975-18711553(Top 41%)2882(Top 24%)2882(Top 53%)
30K18.64 mi3.11 mi8900-10971469-4941469-49414352(Top 51%)4555(Top 37%)4555(Top 83%)
20M20.00 mi1.36 mi9384-4841717-2481717-24814947(Top 53%)5006(Top 41%)5006(Top 92%)
21M21.00 mi1.00 mi10049-6652058-3412058-34118433(Top 65%)7020(Top 57%)7020(Top 128%)
35K21.75 mi0.75 mi10128-792128-702128-7012705(Top 45%)3988(Top 33%)3988(Top 73%)
23M23.00 mi1.25 mi10866-7382544-4162544-41619689(Top 69%)7878(Top 64%)7878(Top 144%)
24M24.00 mi1.00 mi11068-2022693-1492693-14915752(Top 55%)5770(Top 47%)5770(Top 106%)
40K24.85 mi0.85 mi11276-2082836-1432836-14316108(Top 57%)6089(Top 50%)6089(Top 111%)
25.2M25.20 mi0.35 mi11566-2902998-1622998-16222062(Top 78%)9172(Top 75%)9172(Top 168%)
Finish26.22 mi1.02 mi11894-3283199-2013199-20118451(Top 65%)7307(Top 60%)7307(Top 134%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

7225

Females

794

F18-39

794

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6849

Females

675

F18-39

675

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

7225

Females

794

F18-39

794

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

8304

Females

1236

F18-39

1236

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8453

Females

1291

F18-39

1291

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

11553

Females

2882

F18-39

2882

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

14352

Females

4555

F18-39

4555

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

14947

Females

5006

F18-39

5006

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

18433

Females

7020

F18-39

7020

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12705

Females

3988

F18-39

3988

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

19689

Females

7878

F18-39

7878

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

15752

Females

5770

F18-39

5770

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16108

Females

6089

F18-39

6089

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22062

Females

9172

F18-39

9172

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

18451

Females

7307

F18-39

7307

Passing Analysis

Category:
Athletes Passed
602
Passed By
5812
Net Change
-5213
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6681
5K → 10K182224-42#6681#6723
10K → 15K97253-156#6723#6879
15K → 20K55413-358#6879#7237
20K → Half945-36#7237#7273
Half → 25K27557-530#7273#7803
25K → 30K451142-1097#7803#8900
30K → 20M26510-484#8900#9384
20M → 21M13676-665#9384#10049
21M → 35K44122-79#10049#10128
35K → 23M15753-738#10128#10866
23M → 24M40242-202#10866#11068
24M → 40K25233-208#11068#11276
40K → 25.2M5295-290#11276#11566
25.2M → Finish19347-328#11566#11894
TOTALS6025812-5213
📊

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