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BOSTON MARATHON 2025

Oksana Dynak

Bib: 21238•F

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 40%
Division (F45-49)
#0 / 1813
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
8:02/mi
24:57
↑ 97↓ 3451.5%
10K· 6.21 mi
8:15/mi
50:35
↑ 79↓ 1380.4%
15K· 9.32 mi
8:24/mi
1:16:41
↑ 67↓ 78
20K· 12.43 mi
8:31/mi
1:43:10
↑ 106↓ 860.1%
Half· 13.11 mi
8:23/mi
1:48:53
↑ 19↓ 370.5%
25K· 15.53 mi
8:31/mi
2:09:33
↑ 66↓ 880.2%
30K· 18.64 mi
9:16/mi
2:38:19
↑ 181↓ 1480.2%
20M
9:28/mi
2:51:11
↑ 64↓ 500.2%
21M
10:17/mi
3:01:28
↑ 106↓ 241.6%
35K· 21.75 mi
8:31/mi
3:07:50
↑ 17↓ 861.7%
23M
8:41/mi
3:18:42
↑ 23↓ 630.6%
24M
8:28/mi
3:27:10
↓ 821.3%
40K· 24.85 mi
8:26/mi
3:34:23
↓ 200.3%
25.2M
9:25/mi
3:37:38
↑ 13↓ 160.2%
Finish· 26.22 mi
8:11/mi
3:45:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:53
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time1:57:05
Pace8:56 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:3124:578:0224:57
8:02
-
10K
6.21 mi11:44:0950:358:0825:38
8:15
+0:13
15K
9.32 mi12:10:151:16:418:1426:06
8:24
+0:09
20K
12.43 mi12:36:441:43:108:1826:29
8:31
+0:07
Half
13.11 mi12:42:271:48:538:185:43
8:23
-0:08
25K
15.53 mi13:03:072:09:338:2020:40
8:31
+0:08
30K
18.64 mi13:31:532:38:198:3028:46
9:16
+0:45
20M
20.00 mi13:44:452:51:118:3412:52
9:28
+0:12
21M
21.00 mi13:55:023:01:288:3810:17
10:17
+0:49
35K
21.75 mi14:01:243:07:508:386:22
8:31
-1:46
23M
23.00 mi14:12:163:18:428:3810:52
8:41
+0:10
24M
24.00 mi14:20:443:27:108:388:28
8:28
-0:13
40K
24.85 mi14:27:573:34:238:387:13
8:26
-0:02
25.2M
25.20 mi14:31:123:37:388:383:15
9:25
+0:59
Finish
26.22 mi14:39:323:45:588:378:20
8:11
-1:14

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

8:02 /mi

Average Pace

8:37 /mi

Slowest Pace

10:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

33:17

15% of race

Time at Steady Pace

2:17:31

61% of race

Time at Slower Pace

55:10

24% of race

Average Pace: 8:37 /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 mi11:18:3124:578:0224:57
8:02
#16845
10K
6.21 mi11:44:0950:358:0825:38
8:15
#17584
15K
9.32 mi12:10:151:16:418:1426:06
8:24
#17945
20K
12.43 mi12:36:441:43:108:1826:29
8:31
#18010
Half
13.11 mi12:42:271:48:538:185:43
8:23
#18015
25K
15.53 mi13:03:072:09:338:2020:40
8:31
#17858
30K
18.64 mi13:31:532:38:198:3028:46
9:16
#18062
20M
20.00 mi13:44:452:51:118:3412:52
9:28
#18148
21M
21.00 mi13:55:023:01:288:3810:17
10:17
#18260
35K
21.75 mi14:01:243:07:508:386:22
8:31
#18154
23M
23.00 mi14:12:163:18:428:3810:52
8:41
#17916
24M
24.00 mi14:20:443:27:108:388:28
8:28
#17714
40K
24.85 mi14:27:573:34:238:387:13
8:26
#17548
25.2M
25.20 mi14:31:123:37:388:383:15
9:25
#17498
Finish
26.22 mi14:39:323:45:588:378:20
8:11
#17366
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi168455654565418718(Top 66%)6731(Top 55%)6731(Top 371%)
10K6.21 mi3.10 mi17584-7396090-4366090-43618236(Top 64%)6446(Top 53%)6446(Top 356%)
15K9.32 mi3.11 mi17945-3616292-2026292-20218718(Top 66%)6731(Top 55%)6731(Top 371%)
20K12.43 mi3.11 mi18010-656341-496341-4918410(Top 65%)6573(Top 54%)6573(Top 363%)
Half13.11 mi0.68 mi18015-56346-56346-518509(Top 65%)6623(Top 54%)6623(Top 365%)
25K15.53 mi2.42 mi17858+1576275+716275+7117354(Top 61%)6056(Top 50%)6056(Top 334%)
30K18.64 mi3.11 mi18062-2046431-1566431-15618937(Top 67%)7085(Top 58%)7085(Top 391%)
20M20.00 mi1.36 mi18148-866500-696500-6919039(Top 67%)7275(Top 59%)7275(Top 401%)
21M21.00 mi1.00 mi18260-1126587-876587-8719306(Top 68%)7493(Top 61%)7493(Top 413%)
35K21.75 mi0.75 mi18154+1066540+476540+4715576(Top 55%)5566(Top 46%)5566(Top 307%)
23M23.00 mi1.25 mi17916+2386447+936447+9314461(Top 51%)5050(Top 41%)5050(Top 279%)
24M24.00 mi1.00 mi17714+2026371+766371+7614341(Top 50%)5010(Top 41%)5010(Top 276%)
40K24.85 mi0.85 mi17548+1666302+696302+6913101(Top 46%)4512(Top 37%)4512(Top 249%)
25.2M25.20 mi0.35 mi17498+506291+116291+1114256(Top 50%)5176(Top 42%)5176(Top 285%)
Finish26.22 mi1.02 mi17366+1326233+586233+5814160(Top 50%)5036(Top 41%)5036(Top 278%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

18718

Females

6731

F45-49

6731

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

18236

Females

6446

F45-49

6446

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

18718

Females

6731

F45-49

6731

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

18410

Females

6573

F45-49

6573

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

18509

Females

6623

F45-49

6623

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

17354

Females

6056

F45-49

6056

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

18937

Females

7085

F45-49

7085

30K→20M

18.6 - 20.0 mi

Top 67%
×5story building
+64ft-50ft

Overall

19039

Females

7275

F45-49

7275

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

19306

Females

7493

F45-49

7493

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

15576

Females

5566

F45-49

5566

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

14461

Females

5050

F45-49

5050

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

14341

Females

5010

F45-49

5010

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

13101

Females

4512

F45-49

4512

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14256

Females

5176

F45-49

5176

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

14160

Females

5036

F45-49

5036

Passing Analysis

Category:
Athletes Passed
1902
Passed By
2423
Net Change
-521
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16845
5K → 10K92831-739#16845#17584
10K → 15K90451-361#17584#17945
15K → 20K174239-65#17945#18010
20K → Half3540-5#18010#18015
Half → 25K23578+157#18015#17858
25K → 30K177381-204#17858#18062
30K → 20M90176-86#18062#18148
20M → 21M61173-112#18148#18260
21M → 35K1126+106#18260#18154
35K → 23M25719+238#18154#17916
23M → 24M2086+202#17916#17714
24M → 40K1748+166#17714#17548
40K → 25.2M555+50#17548#17498
25.2M → Finish14210+132#17498#17366
TOTALS19022423-521
📊

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