Boston Marathon logo
BOSTON MARATHON 2025

Rebecca Bokun

Bib: 20685•F

LA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 36%
Masters (Masters Women)
#0 / 6759
Top 22%
Division (F50-54)
#0 / 1303
Top 14%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:31
Rank: #15610
Start → 5K
24:31 | 7:53/mi
10K· 6.21 mi
49:30
Rank: #16229 (-619)
5K → 10K
24:59 | 8:02/mi
15K· 9.32 mi
1:14:36
Rank: #16364 (-135)
10K → 15K
25:06 | 8:05/mi
20K· 12.43 mi
1:39:49
Rank: #16188 (+176)
15K → 20K
25:13 | 8:07/mi
Half· 13.11 mi
1:45:16
Rank: #16167 (+21)
20K → Half
5:27 | 7:59/mi
25K· 15.53 mi
2:05:01
Rank: #15941 (+226)
Half → 25K
19:45 | 8:09/mi
30K· 18.64 mi
2:30:44
Rank: #15405 (+536)
25K → 30K
25:43 | 8:17/mi
20M
2:41:52
Rank: #15088 (+317)
30K → 20M
11:08 | 8:12/mi
21M
2:50:44
Rank: #14882 (+206)
20M → 21M
8:52 | 8:52/mi
35K· 21.75 mi
2:56:36
Rank: #14716 (+166)
21M → 35K
5:52 | 7:51/mi
23M
3:06:56
Rank: #14508 (+208)
35K → 23M
10:20 | 8:15/mi
24M
3:15:07
Rank: #14410 (+98)
23M → 24M
8:11 | 8:11/mi
40K· 24.85 mi
3:22:13
Rank: #14301 (+109)
24M → 40K
7:06 | 8:18/mi
25.2M
3:25:29
Rank: #14289 (+12)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:33:49
Rank: #14240 (+49)
25.2M → Finish
8:20 | 8:11/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
Time1:45:16
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time1:48:33
Pace8:17 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:1324:317:5324:31
7:53
-
10K
6.21 mi11:43:1249:307:5824:59
8:02
+0:09
15K
9.32 mi12:08:181:14:368:0025:06
8:05
+0:03
20K
12.43 mi12:33:311:39:498:0225:13
8:07
+0:02
Half
13.11 mi12:38:581:45:168:025:27
7:59
-0:08
25K
15.53 mi12:58:432:05:018:0319:45
8:09
+0:10
30K
18.64 mi13:24:262:30:448:0525:43
8:17
+0:08
20M
20.00 mi13:35:342:41:528:0611:08
8:12
-0:05
21M
21.00 mi13:44:262:50:448:088:52
8:52
+0:40
35K
21.75 mi13:50:182:56:368:075:52
7:51
-1:01
23M
23.00 mi14:00:383:06:568:0810:20
8:15
+0:24
24M
24.00 mi14:08:493:15:078:088:11
8:11
-0:04
40K
24.85 mi14:15:553:22:138:087:06
8:18
+0:07
25.2M
25.20 mi14:19:113:25:298:093:16
9:28
+1:10
Finish
26.22 mi14:27:313:33:498:108:20
8:11
-1:17

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

7:51 /mi

Average Pace

8:10 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

35:50

17% of race

Time at Steady Pace

2:45:51

78% of race

Time at Slower Pace

12:08

6% of race

Average Pace: 8:09 /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 mi11:18:1324:317:5324:31
7:53
#15610
10K
6.21 mi11:43:1249:307:5824:59
8:02
#16229
15K
9.32 mi12:08:181:14:368:0025:06
8:05
#16364
20K
12.43 mi12:33:311:39:498:0225:13
8:07
#16188
Half
13.11 mi12:38:581:45:168:025:27
7:59
#16167
25K
15.53 mi12:58:432:05:018:0319:45
8:09
#15941
30K
18.64 mi13:24:262:30:448:0525:43
8:17
#15405
20M
20.00 mi13:35:342:41:528:0611:08
8:12
#15088
21M
21.00 mi13:44:262:50:448:088:52
8:52
#14882
35K
21.75 mi13:50:182:56:368:075:52
7:51
#14716
23M
23.00 mi14:00:383:06:568:0810:20
8:15
#14508
24M
24.00 mi14:08:493:15:078:088:11
8:11
#14410
40K
24.85 mi14:15:553:22:138:087:06
8:18
#14301
25.2M
25.20 mi14:19:113:25:298:093:16
9:28
#14289
Finish
26.22 mi14:27:313:33:498:108:20
8:11
#14240
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi156104901490116604(Top 58%)5497(Top 45%)5497(Top 422%)
10K6.21 mi3.10 mi16229-6195282-3815282-38116786(Top 59%)5581(Top 46%)5581(Top 428%)
15K9.32 mi3.11 mi16364-1355352-705352-7016604(Top 58%)5497(Top 45%)5497(Top 422%)
20K12.43 mi3.11 mi16188+1765267+855267+8515752(Top 55%)5061(Top 41%)5061(Top 388%)
Half13.11 mi0.68 mi16167+215256+115256+1115822(Top 56%)5057(Top 41%)5057(Top 388%)
25K15.53 mi2.42 mi15941+2265130+1265130+12614955(Top 53%)4713(Top 39%)4713(Top 362%)
30K18.64 mi3.11 mi15405+5364894+2364894+23613354(Top 47%)4032(Top 33%)4032(Top 309%)
20M20.00 mi1.36 mi15088+3174753+1414753+14111787(Top 41%)3353(Top 27%)3353(Top 257%)
21M21.00 mi1.00 mi14882+2064657+964657+9612748(Top 45%)4009(Top 33%)4009(Top 308%)
35K21.75 mi0.75 mi14716+1664579+784579+7811206(Top 39%)3232(Top 26%)3232(Top 248%)
23M23.00 mi1.25 mi14508+2084492+874492+8711763(Top 41%)3623(Top 30%)3623(Top 278%)
24M24.00 mi1.00 mi14410+984459+334459+3312493(Top 44%)4047(Top 33%)4047(Top 311%)
40K24.85 mi0.85 mi14301+1094441+184441+1812206(Top 43%)4028(Top 33%)4028(Top 309%)
25.2M25.20 mi0.35 mi14289+124445-44445-414474(Top 51%)5263(Top 43%)5263(Top 404%)
Finish26.22 mi1.02 mi14240+494447-24447-214144(Top 50%)5020(Top 41%)5020(Top 385%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

16604

Females

5497

F50-54

5497

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

16786

Females

5581

F50-54

5581

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

16604

Females

5497

F50-54

5497

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

15752

Females

5061

F50-54

5061

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

15822

Females

5057

F50-54

5057

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

14955

Females

4713

F50-54

4713

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

13354

Females

4032

F50-54

4032

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

11787

Females

3353

F50-54

3353

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

12748

Females

4009

F50-54

4009

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

11206

Females

3232

F50-54

3232

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

11763

Females

3623

F50-54

3623

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

12493

Females

4047

F50-54

4047

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

12206

Females

4028

F50-54

4028

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

14474

Females

5263

F50-54

5263

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

14144

Females

5020

F50-54

5020

Passing Analysis

Category:
Athletes Passed
2794
Passed By
1424
Net Change
+1370
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15610
5K → 10K124743-619#15610#16229
10K → 15K159294-135#16229#16364
15K → 20K303127+176#16364#16188
20K → Half3716+21#16188#16167
Half → 25K27852+226#16167#15941
25K → 30K56125+536#15941#15405
30K → 20M3225+317#15405#15088
20M → 21M23327+206#15088#14882
21M → 35K1693+166#14882#14716
35K → 23M22315+208#14716#14508
23M → 24M11820+98#14508#14410
24M → 40K12819+109#14410#14301
40K → 25.2M3826+12#14301#14289
25.2M → Finish10152+49#14289#14240
TOTALS27941424+1370
📊

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