Boston Marathon logo
BOSTON MARATHON 2025

Rebecca Durant

Bib: 7975•F

CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 45%
Gender (Female)
#0 / 12228
Top 29%
Division (F18-39)
#0 / 5469
Top 48%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:34
Rank: #15766
Start → 5K
24:34 | 7:54/mi
10K· 6.21 mi
49:00
Rank: #15538 (+228)
5K → 10K
24:26 | 7:52/mi
15K· 9.32 mi
1:15:35
Rank: #17149 (-1611)
10K → 15K
26:35 | 8:33/mi
20K· 12.43 mi
1:39:12
Rank: #15795 (+1354)
15K → 20K
23:37 | 7:36/mi
Half· 13.11 mi
1:44:30
Rank: #15712 (+83)
20K → Half
5:18 | 7:46/mi
25K· 15.53 mi
2:03:01
Rank: #14896 (+816)
Half → 25K
18:31 | 7:38/mi
30K· 18.64 mi
2:29:15
Rank: #14797 (+99)
25K → 30K
26:14 | 8:27/mi
20M
2:40:28
Rank: #14517 (+280)
30K → 20M
11:13 | 8:15/mi
21M
2:49:32
Rank: #14449 (+68)
20M → 21M
9:04 | 9:04/mi
35K· 21.75 mi
2:55:13
Rank: #14257 (+192)
21M → 35K
5:41 | 7:36/mi
23M
3:04:48
Rank: #13801 (+456)
35K → 23M
9:35 | 7:39/mi
24M
3:11:56
Rank: #13380 (+421)
23M → 24M
7:08 | 7:08/mi
40K· 24.85 mi
3:18:02
Rank: #13031 (+349)
24M → 40K
6:06 | 7:08/mi
25.2M
3:20:45
Rank: #12886 (+145)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:28:21
Rank: #12695 (+191)
25.2M → Finish
7:36 | 7:27/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 Half⚖️ Balanced
Distance13.11 mi
Time1:44:30
Pace7:58 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:43:51
Pace7:55 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:5324:347:5424:34
7:54
-
10K
6.21 mi11:19:1949:007:5324:26
7:52
-0:02
15K
9.32 mi11:45:541:15:358:0726:35
8:33
+0:41
20K
12.43 mi12:09:311:39:127:5923:37
7:36
-0:57
Half
13.11 mi12:14:491:44:307:585:18
7:46
+0:10
25K
15.53 mi12:33:202:03:017:5518:31
7:38
-0:08
30K
18.64 mi12:59:342:29:158:0026:14
8:27
+0:49
20M
20.00 mi13:10:472:40:288:0111:13
8:15
-0:12
21M
21.00 mi13:19:512:49:328:049:04
9:04
+0:49
35K
21.75 mi13:25:322:55:138:035:41
7:36
-1:28
23M
23.00 mi13:35:073:04:488:029:35
7:39
+0:03
24M
24.00 mi13:42:153:11:568:007:08
7:08
-0:31
40K
24.85 mi13:48:213:18:027:586:06
7:08
0:00
25.2M
25.20 mi13:51:043:20:457:582:43
7:53
+0:45
Finish
26.22 mi13:58:403:28:217:577:36
7:27
-0:26

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

7:08 /mi

Average Pace

7:57 /mi

Slowest Pace

9:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

20:50

10% of race

Time at Steady Pace

1:54:25

55% of race

Time at Slower Pace

1:13:06

35% of race

Average Pace: 7:57 /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 mi10:54:5324:347:5424:34
7:54
#15766
10K
6.21 mi11:19:1949:007:5324:26
7:52
#15538
15K
9.32 mi11:45:541:15:358:0726:35
8:33
#17149
20K
12.43 mi12:09:311:39:127:5923:37
7:36
#15795
Half
13.11 mi12:14:491:44:307:585:18
7:46
#15712
25K
15.53 mi12:33:202:03:017:5518:31
7:38
#14896
30K
18.64 mi12:59:342:29:158:0026:14
8:27
#14797
20M
20.00 mi13:10:472:40:288:0111:13
8:15
#14517
21M
21.00 mi13:19:512:49:328:049:04
9:04
#14449
35K
21.75 mi13:25:322:55:138:035:41
7:36
#14257
23M
23.00 mi13:35:073:04:488:029:35
7:39
#13801
24M
24.00 mi13:42:153:11:568:007:08
7:08
#13380
40K
24.85 mi13:48:213:18:027:586:06
7:08
#13031
25.2M
25.20 mi13:51:043:20:457:582:43
7:53
#12886
Finish
26.22 mi13:58:403:28:217:577:36
7:27
#12695
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi157664995499519671(Top 69%)7253(Top 59%)7253(Top 133%)
10K6.21 mi3.10 mi15538+2284860+1354860+13515393(Top 54%)4773(Top 39%)4773(Top 87%)
15K9.32 mi3.11 mi17149-16115796-9365796-93619671(Top 69%)7253(Top 59%)7253(Top 133%)
20K12.43 mi3.11 mi15795+13545036+7605036+76011644(Top 41%)2809(Top 23%)2809(Top 51%)
Half13.11 mi0.68 mi15712+834992+444992+4414028(Top 49%)4061(Top 33%)4061(Top 74%)
25K15.53 mi2.42 mi14896+8164566+4264566+42611058(Top 39%)2623(Top 21%)2623(Top 48%)
30K18.64 mi3.11 mi14797+994559+74559+714417(Top 51%)4584(Top 37%)4584(Top 84%)
20M20.00 mi1.36 mi14517+2804424+1354424+13512195(Top 43%)3545(Top 29%)3545(Top 65%)
21M21.00 mi1.00 mi14449+684406+184406+1813906(Top 49%)4575(Top 37%)4575(Top 84%)
35K21.75 mi0.75 mi14257+1924323+834323+839381(Top 33%)2322(Top 19%)2322(Top 42%)
23M23.00 mi1.25 mi13801+4564115+2084115+2087645(Top 27%)1679(Top 14%)1679(Top 31%)
24M24.00 mi1.00 mi13380+4213909+2063909+2065461(Top 19%)886(Top 7%)886(Top 16%)
40K24.85 mi0.85 mi13031+3493750+1593750+1594726(Top 17%)709(Top 6%)709(Top 13%)
25.2M25.20 mi0.35 mi12886+1453682+683682+685431(Top 19%)1061(Top 9%)1061(Top 19%)
Finish26.22 mi1.02 mi12695+1913606+763606+768939(Top 31%)2513(Top 21%)2513(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

19671

Females

7253

F18-39

7253

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

15393

Females

4773

F18-39

4773

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

19671

Females

7253

F18-39

7253

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

11644

Females

2809

F18-39

2809

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

14028

Females

4061

F18-39

4061

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

11058

Females

2623

F18-39

2623

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

14417

Females

4584

F18-39

4584

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

12195

Females

3545

F18-39

3545

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

13906

Females

4575

F18-39

4575

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

9381

Females

2322

F18-39

2322

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7645

Females

1679

F18-39

1679

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5461

Females

886

F18-39

886

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4726

Females

709

F18-39

709

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5431

Females

1061

F18-39

1061

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8939

Females

2513

F18-39

2513

Passing Analysis

Category:
Athletes Passed
5226
Passed By
2155
Net Change
+3071
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15766
5K → 10K440212+228#15766#15538
10K → 15K191630-1611#15538#17149
15K → 20K13551+1354#17149#15795
20K → Half874+83#15795#15712
Half → 25K8160+816#15712#14896
25K → 30K293194+99#14896#14797
30K → 20M29818+280#14797#14517
20M → 21M14375+68#14517#14449
21M → 35K1975+192#14449#14257
35K → 23M4571+456#14257#13801
23M → 24M4221+421#13801#13380
24M → 40K3490+349#13380#13031
40K → 25.2M1450+145#13031#12886
25.2M → Finish20514+191#12886#12695
TOTALS52262155+3071
📊

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