Boston Marathon logo
BOSTON MARATHON 2025

Ewa Zaborowska

Bib: 1720•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 6%
Gender (Female)
#0 / 12228
Top 0.7%
Division (F18-39)
#0 / 5469
Top 1%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:10
Rank: #1702
Start → 5K
19:10 | 6:10/mi
10K· 6.21 mi
38:19
Rank: #1711 (-9)
5K → 10K
19:09 | 6:10/mi
15K· 9.32 mi
57:29
Rank: #1691 (+20)
10K → 15K
19:10 | 6:10/mi
20K· 12.43 mi
1:16:39
Rank: #1616 (+75)
15K → 20K
19:10 | 6:10/mi
Half· 13.11 mi
1:20:47
Rank: #1598 (+18)
20K → Half
4:08 | 6:03/mi
25K· 15.53 mi
1:35:46
Rank: #1537 (+61)
Half → 25K
14:59 | 6:11/mi
30K· 18.64 mi
1:55:20
Rank: #1433 (+104)
25K → 30K
19:34 | 6:18/mi
20M
2:03:56
Rank: #1380 (+53)
30K → 20M
8:36 | 6:20/mi
21M
2:10:41
Rank: #1349 (+31)
20M → 21M
6:45 | 6:45/mi
35K· 21.75 mi
2:15:28
Rank: #1355 (-6)
21M → 35K
4:47 | 6:24/mi
23M
2:24:10
Rank: #1419 (-64)
35K → 23M
8:42 | 6:57/mi
24M
2:31:00
Rank: #1474 (-55)
23M → 24M
6:50 | 6:50/mi
40K· 24.85 mi
2:36:58
Rank: #1519 (-45)
24M → 40K
5:58 | 6:59/mi
25.2M
2:39:39
Rank: #1555 (-36)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
2:46:33
Rank: #1627 (-72)
25.2M → Finish
6:54 | 6:46/mi

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
Time1:20:47
Pace6:10 /mi
2nd Half
Distance13.11 mi
Time1:25:46
Pace6:33 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4819:106:1019:10
6:10
-
10K
6.21 mi10:38:5738:196:1019:09
6:10
0:00
15K
9.32 mi10:58:0757:296:1019:10
6:10
0:00
20K
12.43 mi11:17:171:16:396:1019:10
6:10
0:00
Half
13.11 mi11:21:251:20:476:104:08
6:03
-0:07
25K
15.53 mi11:36:241:35:466:1014:59
6:11
+0:08
30K
18.64 mi11:55:581:55:206:1119:34
6:18
+0:07
20M
20.00 mi12:04:342:03:566:128:36
6:20
+0:02
21M
21.00 mi12:11:192:10:416:136:45
6:45
+0:25
35K
21.75 mi12:16:062:15:286:144:47
6:24
-0:21
23M
23.00 mi12:24:482:24:106:168:42
6:57
+0:33
24M
24.00 mi12:31:382:31:006:186:50
6:50
-0:07
40K
24.85 mi12:37:362:36:586:195:58
6:59
+0:09
25.2M
25.20 mi12:40:172:39:396:202:41
7:47
+0:48
Finish
26.22 mi12:47:112:46:336:216:54
6:46
-1:01

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

6:03 /mi

Average Pace

6:21 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:08

2% of race

Time at Steady Pace

2:04:35

75% of race

Time at Slower Pace

37:50

23% of race

Average Pace: 6:21 /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 mi10:19:4819:106:1019:10
6:10
#1702
10K
6.21 mi10:38:5738:196:1019:09
6:10
#1711
15K
9.32 mi10:58:0757:296:1019:10
6:10
#1691
20K
12.43 mi11:17:171:16:396:1019:10
6:10
#1616
Half
13.11 mi11:21:251:20:476:104:08
6:03
#1598
25K
15.53 mi11:36:241:35:466:1014:59
6:11
#1537
30K
18.64 mi11:55:581:55:206:1119:34
6:18
#1433
20M
20.00 mi12:04:342:03:566:128:36
6:20
#1380
21M
21.00 mi12:11:192:10:416:136:45
6:45
#1349
35K
21.75 mi12:16:062:15:286:144:47
6:24
#1355
23M
23.00 mi12:24:482:24:106:168:42
6:57
#1419
24M
24.00 mi12:31:382:31:006:186:50
6:50
#1474
40K
24.85 mi12:37:362:36:586:195:58
6:59
#1519
25.2M
25.20 mi12:40:172:39:396:202:41
7:47
#1555
Finish
26.22 mi12:47:112:46:336:216:54
6:46
#1627
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi170280801702(Top 6%)80(Top 0.7%)80(Top 1%)
10K6.21 mi3.10 mi1711-977+377+31755(Top 6%)79(Top 0.6%)79(Top 1%)
15K9.32 mi3.11 mi1691+2077771702(Top 6%)80(Top 0.7%)80(Top 1%)
20K12.43 mi3.11 mi1616+7576+176+11460(Top 5%)70(Top 0.6%)70(Top 1%)
Half13.11 mi0.68 mi1598+1876761425(Top 5%)66(Top 0.5%)66(Top 1%)
25K15.53 mi2.42 mi1537+6174+274+21384(Top 5%)65(Top 0.5%)65(Top 1%)
30K18.64 mi3.11 mi1433+10471+371+31206(Top 4%)63(Top 0.5%)63(Top 1%)
20M20.00 mi1.36 mi1380+5370+170+11051(Top 4%)55(Top 0.4%)55(Top 1%)
21M21.00 mi1.00 mi1349+3169+169+11388(Top 5%)69(Top 0.6%)69(Top 1%)
35K21.75 mi0.75 mi1355-670-170-12040(Top 7%)119(Top 1.0%)119(Top 2%)
23M23.00 mi1.25 mi1419-6473-373-33489(Top 12%)308(Top 3%)308(Top 6%)
24M24.00 mi1.00 mi1474-5574-174-13727(Top 13%)394(Top 3%)394(Top 7%)
40K24.85 mi0.85 mi1519-4577-377-33799(Top 13%)444(Top 4%)444(Top 8%)
25.2M25.20 mi0.35 mi1555-3678-178-14823(Top 17%)790(Top 6%)790(Top 14%)
Finish26.22 mi1.02 mi1627-7281-381-34348(Top 15%)641(Top 5%)641(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1702

Females

80

F18-39

80

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1755

Females

79

F18-39

79

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1702

Females

80

F18-39

80

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1460

Females

70

F18-39

70

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1425

Females

66

F18-39

66

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1384

Females

65

F18-39

65

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1206

Females

63

F18-39

63

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1051

Females

55

F18-39

55

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1388

Females

69

F18-39

69

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

2040

Females

119

F18-39

119

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3489

Females

308

F18-39

308

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3727

Females

394

F18-39

394

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3799

Females

444

F18-39

444

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4823

Females

790

F18-39

790

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4348

Females

641

F18-39

641

Passing Analysis

Category:
Athletes Passed
627
Passed By
552
Net Change
+75
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1702
5K → 10K8089-9#1702#1711
10K → 15K7252+20#1711#1691
15K → 20K9116+75#1691#1616
20K → Half191+18#1616#1598
Half → 25K7211+61#1598#1537
25K → 30K12016+104#1537#1433
30K → 20M585+53#1433#1380
20M → 21M4413+31#1380#1349
21M → 35K1824-6#1349#1355
35K → 23M1781-64#1355#1419
23M → 24M1671-55#1419#1474
24M → 40K1257-45#1474#1519
40K → 25.2M238-36#1519#1555
25.2M → Finish678-72#1555#1627
TOTALS627552+75
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing