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BOSTON MARATHON 2025

Grazyna Cina

Bib: 22457•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 45%
Masters (Masters Women)
#0 / 6759
Top 33%
Division (F50-54)
#0 / 1303
Top 25%
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
8:13/mi
25:32
↑ 97↓ 3451.5%
10K· 6.21 mi
8:18/mi
51:19
↑ 79↓ 1380.4%
15K· 9.32 mi
8:15/mi
1:16:58
↑ 67↓ 78
20K· 12.43 mi
8:17/mi
1:42:42
↑ 106↓ 860.1%
Half· 13.11 mi
8:07/mi
1:48:14
↑ 19↓ 370.5%
25K· 15.53 mi
8:19/mi
2:08:25
↑ 66↓ 880.2%
30K· 18.64 mi
8:39/mi
2:35:16
↑ 181↓ 1480.2%
20M
8:39/mi
2:47:01
↑ 64↓ 500.2%
21M
9:14/mi
2:56:15
↑ 106↓ 241.6%
35K· 21.75 mi
8:20/mi
3:02:29
↑ 17↓ 861.7%
23M
8:45/mi
3:13:26
↑ 23↓ 630.6%
24M
8:35/mi
3:22:01
↓ 821.3%
40K· 24.85 mi
8:49/mi
3:29:33
↓ 200.3%
25.2M
9:37/mi
3:32:52
↑ 13↓ 160.2%
Finish· 26.22 mi
8:23/mi
3:41:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:14
Pace8:15 /mi
2nd Half
Distance13.11 mi
Time1:53:11
Pace8:38 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:4225:328:1325:32
8:13
-
10K
6.21 mi11:45:2951:198:1625:47
8:18
+0:05
15K
9.32 mi12:11:081:16:588:1525:39
8:15
-0:03
20K
12.43 mi12:36:521:42:428:1625:44
8:17
+0:02
Half
13.11 mi12:42:241:48:148:155:32
8:07
-0:10
25K
15.53 mi13:02:352:08:258:1620:11
8:19
+0:12
30K
18.64 mi13:29:262:35:168:2026:51
8:39
+0:20
20M
20.00 mi13:41:112:47:018:2111:45
8:39
0:00
21M
21.00 mi13:50:252:56:158:249:14
9:14
+0:35
35K
21.75 mi13:56:393:02:298:236:14
8:20
-0:54
23M
23.00 mi14:07:363:13:268:2510:57
8:45
+0:25
24M
24.00 mi14:16:113:22:018:258:35
8:35
-0:10
40K
24.85 mi14:23:433:29:338:267:32
8:49
+0:14
25.2M
25.20 mi14:27:023:32:528:273:19
9:37
+0:48
Finish
26.22 mi14:35:353:41:258:278:33
8:23
-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

8:07 /mi

Average Pace

8:27 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:28:52

94% of race

Time at Steady Pace

9:14

4% of race

Time at Slower Pace

3:19

1% of race

Average Pace: 8:27 /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 mi11:19:4225:328:1325:32
8:13
#18240
10K
6.21 mi11:45:2951:198:1625:47
8:18
#18366
15K
9.32 mi12:11:081:16:588:1525:39
8:15
#18146
20K
12.43 mi12:36:521:42:428:1625:44
8:17
#17779
Half
13.11 mi12:42:241:48:148:155:32
8:07
#17712
25K
15.53 mi13:02:352:08:258:1620:11
8:19
#17390
30K
18.64 mi13:29:262:35:168:2026:51
8:39
#17013
20M
20.00 mi13:41:112:47:018:2111:45
8:39
#16826
21M
21.00 mi13:50:252:56:158:249:14
9:14
#16657
35K
21.75 mi13:56:393:02:298:236:14
8:20
#16552
23M
23.00 mi14:07:363:13:268:2510:57
8:45
#16410
24M
24.00 mi14:16:113:22:018:258:35
8:35
#16313
40K
24.85 mi14:23:433:29:338:267:32
8:49
#16280
25.2M
25.20 mi14:27:023:32:528:273:19
9:37
#16266
Finish
26.22 mi14:35:353:41:258:278:33
8:23
#16232
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi182406484648417777(Top 63%)6187(Top 51%)6187(Top 475%)
10K6.21 mi3.10 mi18366-1266539-556539-5518553(Top 65%)6622(Top 54%)6622(Top 508%)
15K9.32 mi3.11 mi18146+2206417+1226417+12217777(Top 63%)6187(Top 51%)6187(Top 475%)
20K12.43 mi3.11 mi17779+3676213+2046213+20416845(Top 59%)5689(Top 47%)5689(Top 437%)
Half13.11 mi0.68 mi17712+676165+486165+4816731(Top 59%)5606(Top 46%)5606(Top 430%)
25K15.53 mi2.42 mi17390+3225991+1745991+17416092(Top 57%)5364(Top 44%)5364(Top 412%)
30K18.64 mi3.11 mi17013+3775825+1665825+16615662(Top 55%)5265(Top 43%)5265(Top 404%)
20M20.00 mi1.36 mi16826+1875731+945731+9414731(Top 52%)4906(Top 40%)4906(Top 377%)
21M21.00 mi1.00 mi16657+1695673+585673+5814843(Top 52%)5083(Top 42%)5083(Top 390%)
35K21.75 mi0.75 mi16552+1055630+435630+4314533(Top 51%)4987(Top 41%)4987(Top 383%)
23M23.00 mi1.25 mi16410+1425579+515579+5114823(Top 52%)5238(Top 43%)5238(Top 402%)
24M24.00 mi1.00 mi16313+975556+235556+2315089(Top 53%)5430(Top 44%)5430(Top 417%)
40K24.85 mi0.85 mi16280+335561-55561-515273(Top 54%)5675(Top 46%)5675(Top 436%)
25.2M25.20 mi0.35 mi16266+145562-15562-115230(Top 54%)5671(Top 46%)5671(Top 435%)
Finish26.22 mi1.02 mi16232+345559+35559+315539(Top 55%)5779(Top 47%)5779(Top 444%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

17777

Females

6187

F50-54

6187

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

18553

Females

6622

F50-54

6622

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

17777

Females

6187

F50-54

6187

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

16845

Females

5689

F50-54

5689

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

16731

Females

5606

F50-54

5606

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

16092

Females

5364

F50-54

5364

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

15662

Females

5265

F50-54

5265

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

14731

Females

4906

F50-54

4906

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

14843

Females

5083

F50-54

5083

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

14533

Females

4987

F50-54

4987

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

14823

Females

5238

F50-54

5238

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

15089

Females

5430

F50-54

5430

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15273

Females

5675

F50-54

5675

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15230

Females

5671

F50-54

5671

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

15539

Females

5779

F50-54

5779

Passing Analysis

Category:
Athletes Passed
2806
Passed By
798
Net Change
+2008
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18240
5K → 10K205331-126#18240#18366
10K → 15K30484+220#18366#18146
15K → 20K40538+367#18146#17779
20K → Half769+67#17779#17712
Half → 25K35028+322#17712#17390
25K → 30K42952+377#17390#17013
30K → 20M1969+187#17013#16826
20M → 21M20132+169#16826#16657
21M → 35K11914+105#16657#16552
35K → 23M18543+142#16552#16410
23M → 24M13033+97#16410#16313
24M → 40K8451+33#16313#16280
40K → 25.2M3319+14#16280#16266
25.2M → Finish8955+34#16266#16232
TOTALS2806798+2008
📊

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