Boston Marathon logo
BOSTON MARATHON 2025

Corinne Zbranak

Bib: 18365•F

NJ

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 47%
Masters (Masters Women)
#0 / 6759
Top 34%
Division (F45-49)
#0 / 1813
Top 43%
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
8:04/mi
25:04
↑ 97↓ 3451.5%
10K· 6.21 mi
8:10/mi
50:25
↑ 79↓ 1380.4%
15K· 9.32 mi
8:07/mi
1:15:38
↑ 67↓ 78
20K· 12.43 mi
8:16/mi
1:41:18
↑ 106↓ 860.1%
Half· 13.11 mi
8:15/mi
1:46:56
↑ 19↓ 370.5%
25K· 15.53 mi
8:34/mi
2:07:43
↑ 66↓ 880.2%
30K· 18.64 mi
8:47/mi
2:35:00
↑ 181↓ 1480.2%
20M
8:58/mi
2:47:11
↑ 64↓ 500.2%
21M
9:23/mi
2:56:34
↑ 106↓ 241.6%
35K· 21.75 mi
9:01/mi
3:03:19
↑ 17↓ 861.7%
23M
8:52/mi
3:14:25
↑ 23↓ 630.6%
24M
8:53/mi
3:23:18
↓ 821.3%
40K· 24.85 mi
8:38/mi
3:30:41
↓ 200.3%
25.2M
9:25/mi
3:33:56
↑ 13↓ 160.2%
Finish· 26.22 mi
8:19/mi
3:42:24
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:56
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time1:55:28
Pace8:48 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0525:048:0425:04
8:04
-
10K
6.21 mi11:41:2650:258:0725:21
8:10
+0:06
15K
9.32 mi12:06:391:15:388:0725:13
8:07
-0:03
20K
12.43 mi12:32:191:41:188:0925:40
8:16
+0:09
Half
13.11 mi12:37:571:46:568:095:38
8:15
-0:01
25K
15.53 mi12:58:442:07:438:1320:47
8:34
+0:19
30K
18.64 mi13:26:012:35:008:1927:17
8:47
+0:13
20M
20.00 mi13:38:122:47:118:2212:11
8:58
+0:11
21M
21.00 mi13:47:352:56:348:249:23
9:23
+0:25
35K
21.75 mi13:54:203:03:198:266:45
9:01
-0:22
23M
23.00 mi14:05:263:14:258:2711:06
8:52
-0:09
24M
24.00 mi14:14:193:23:188:288:53
8:53
+0:01
40K
24.85 mi14:21:423:30:418:297:23
8:38
-0:15
25.2M
25.20 mi14:24:573:33:568:293:15
9:25
+0:47
Finish
26.22 mi14:33:253:42:248:298:28
8:19
-1:06

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

8:04 /mi

Average Pace

8:29 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:01:57

82% of race

Time at Steady Pace

40:27

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:29 /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 mi11:16:0525:048:0425:04
8:04
#17150
10K
6.21 mi11:41:2650:258:0725:21
8:10
#17362
15K
9.32 mi12:06:391:15:388:0725:13
8:07
#17196
20K
12.43 mi12:32:191:41:188:0925:40
8:16
#17050
Half
13.11 mi12:37:571:46:568:095:38
8:15
#17057
25K
15.53 mi12:58:442:07:438:1320:47
8:34
#17082
30K
18.64 mi13:26:012:35:008:1927:17
8:47
#16920
20M
20.00 mi13:38:122:47:118:2212:11
8:58
#16880
21M
21.00 mi13:47:352:56:348:249:23
9:23
#16759
35K
21.75 mi13:54:203:03:198:266:45
9:01
#16804
23M
23.00 mi14:05:263:14:258:2711:06
8:52
#16705
24M
24.00 mi14:14:193:23:188:288:53
8:53
#16694
40K
24.85 mi14:21:423:30:418:297:23
8:38
#16586
25.2M
25.20 mi14:24:573:33:568:293:15
9:25
#16547
Finish
26.22 mi14:33:253:42:248:298:28
8:19
#16470
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi171505827582716863(Top 59%)5648(Top 46%)5648(Top 312%)
10K6.21 mi3.10 mi17362-2125948-1215948-12117622(Top 62%)6070(Top 50%)6070(Top 335%)
15K9.32 mi3.11 mi17196+1665828+1205828+12016863(Top 59%)5648(Top 46%)5648(Top 312%)
20K12.43 mi3.11 mi17050+1465773+555773+5516716(Top 59%)5617(Top 46%)5617(Top 310%)
Half13.11 mi0.68 mi17057-75779-65779-617677(Top 62%)6131(Top 50%)6131(Top 338%)
25K15.53 mi2.42 mi17082-255815-365815-3617628(Top 62%)6203(Top 51%)6203(Top 342%)
30K18.64 mi3.11 mi16920+1625765+505765+5016495(Top 58%)5740(Top 47%)5740(Top 317%)
20M20.00 mi1.36 mi16880+405770-55770-516624(Top 59%)5932(Top 49%)5932(Top 327%)
21M21.00 mi1.00 mi16759+1215734+365734+3615567(Top 55%)5492(Top 45%)5492(Top 303%)
35K21.75 mi0.75 mi16804-455771-375771-3718348(Top 65%)7091(Top 58%)7091(Top 391%)
23M23.00 mi1.25 mi16705+995758+135758+1315506(Top 55%)5608(Top 46%)5608(Top 309%)
24M24.00 mi1.00 mi16694+115774-165774-1616769(Top 59%)6359(Top 52%)6359(Top 351%)
40K24.85 mi0.85 mi16586+1085741+335741+3314312(Top 50%)5141(Top 42%)5141(Top 284%)
25.2M25.20 mi0.35 mi16547+395727+145727+1414243(Top 50%)5163(Top 42%)5163(Top 285%)
Finish26.22 mi1.02 mi16470+775715+125715+1214998(Top 53%)5483(Top 45%)5483(Top 302%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

16863

Females

5648

F45-49

5648

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

17622

Females

6070

F45-49

6070

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

16863

Females

5648

F45-49

5648

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

16716

Females

5617

F45-49

5617

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

17677

Females

6131

F45-49

6131

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

17628

Females

6203

F45-49

6203

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

16495

Females

5740

F45-49

5740

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

16624

Females

5932

F45-49

5932

20M→21M

20.0 - 21.0 mi

Top 55%
×8story building
+106ft-24ft

Overall

15567

Females

5492

F45-49

5492

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

18348

Females

7091

F45-49

7091

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

15506

Females

5608

F45-49

5608

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

16769

Females

6359

F45-49

6359

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

14312

Females

5141

F45-49

5141

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14243

Females

5163

F45-49

5163

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

14998

Females

5483

F45-49

5483

Passing Analysis

Category:
Athletes Passed
2092
Passed By
1412
Net Change
+680
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17150
5K → 10K198410-212#17150#17362
10K → 15K295129+166#17362#17196
15K → 20K257111+146#17196#17050
20K → Half3138-7#17050#17057
Half → 25K153178-25#17057#17082
25K → 30K296134+162#17082#16920
30K → 20M11171+40#16920#16880
20M → 21M16443+121#16880#16759
21M → 35K4792-45#16759#16804
35K → 23M15758+99#16804#16705
23M → 24M8675+11#16705#16694
24M → 40K12820+108#16694#16586
40K → 25.2M5314+39#16586#16547
25.2M → Finish11639+77#16547#16470
TOTALS20921412+680
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing