Boston Marathon logo
BOSTON MARATHON 2025

Camilla Shymka

Bib: 12878•F

AB

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 18%
Gender (Female)
#0 / 12228
Top 4%
Division (F18-39)
#0 / 5469
Top 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:54
Rank: #8218
Start → 5K
21:54 | 7:03/mi
10K· 6.21 mi
43:41
Rank: #8096 (+122)
5K → 10K
21:47 | 7:01/mi
15K· 9.32 mi
1:05:16
Rank: #7770 (+326)
10K → 15K
21:35 | 6:57/mi
20K· 12.43 mi
1:26:46
Rank: #7372 (+398)
15K → 20K
21:30 | 6:55/mi
Half· 13.11 mi
1:31:29
Rank: #7339 (+33)
20K → Half
4:43 | 6:55/mi
25K· 15.53 mi
1:48:15
Rank: #7056 (+283)
Half → 25K
16:46 | 6:55/mi
30K· 18.64 mi
2:10:09
Rank: #6553 (+503)
25K → 30K
21:54 | 7:03/mi
20M
2:19:40
Rank: #6278 (+275)
30K → 20M
9:31 | 7:00/mi
21M
2:26:56
Rank: #6070 (+208)
20M → 21M
7:16 | 7:16/mi
35K· 21.75 mi
2:32:03
Rank: #5981 (+89)
21M → 35K
5:07 | 6:50/mi
23M
2:40:47
Rank: #5747 (+234)
35K → 23M
8:44 | 6:59/mi
24M
2:47:37
Rank: #5597 (+150)
23M → 24M
6:50 | 6:50/mi
40K· 24.85 mi
2:53:28
Rank: #5456 (+141)
24M → 40K
5:51 | 6:51/mi
25.2M
2:56:03
Rank: #5395 (+61)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
3:02:37
Rank: #5237 (+158)
25.2M → Finish
6:34 | 6:27/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
Time1:31:29
Pace6:59 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:31:08
Pace6:57 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:4321:547:0321:54
7:03
-
10K
6.21 mi11:11:3043:417:0221:47
7:01
-0:02
15K
9.32 mi11:33:051:05:167:0021:35
6:57
-0:04
20K
12.43 mi11:54:351:26:466:5921:30
6:55
-0:02
Half
13.11 mi11:59:181:31:296:594:43
6:55
0:00
25K
15.53 mi12:16:041:48:156:5816:46
6:55
0:00
30K
18.64 mi12:37:582:10:096:5921:54
7:03
+0:08
20M
20.00 mi12:47:292:19:406:599:31
7:00
-0:03
21M
21.00 mi12:54:452:26:567:007:16
7:16
+0:16
35K
21.75 mi12:59:522:32:036:595:07
6:50
-0:26
23M
23.00 mi13:08:362:40:476:598:44
6:59
+0:09
24M
24.00 mi13:15:262:47:376:596:50
6:50
-0:09
40K
24.85 mi13:21:172:53:286:595:51
6:51
+0:01
25.2M
25.20 mi13:23:522:56:036:592:35
7:29
+0:38
Finish
26.22 mi13:30:263:02:376:586:34
6:27
-1:02

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

6:27 /mi

Average Pace

6:58 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:46

95% of race

Time at Steady Pace

9:51

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:58 /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 mi10:49:4321:547:0321:54
7:03
#8218
10K
6.21 mi11:11:3043:417:0221:47
7:01
#8096
15K
9.32 mi11:33:051:05:167:0021:35
6:57
#7770
20K
12.43 mi11:54:351:26:466:5921:30
6:55
#7372
Half
13.11 mi11:59:181:31:296:594:43
6:55
#7339
25K
15.53 mi12:16:041:48:156:5816:46
6:55
#7056
30K
18.64 mi12:37:582:10:096:5921:54
7:03
#6553
20M
20.00 mi12:47:292:19:406:599:31
7:00
#6278
21M
21.00 mi12:54:452:26:567:007:16
7:16
#6070
35K
21.75 mi12:59:522:32:036:595:07
6:50
#5981
23M
23.00 mi13:08:362:40:476:598:44
6:59
#5747
24M
24.00 mi13:15:262:47:376:596:50
6:50
#5597
40K
24.85 mi13:21:172:53:286:595:51
6:51
#5456
25.2M
25.20 mi13:23:522:56:036:592:35
7:29
#5395
Finish
26.22 mi13:30:263:02:376:586:34
6:27
#5237
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8218106010607292(Top 26%)804(Top 7%)804(Top 15%)
10K6.21 mi3.10 mi8096+1221026+341026+348002(Top 28%)1005(Top 8%)1005(Top 18%)
15K9.32 mi3.11 mi7770+326918+108918+1087292(Top 26%)804(Top 7%)804(Top 15%)
20K12.43 mi3.11 mi7372+398817+101817+1016360(Top 22%)631(Top 5%)631(Top 12%)
Half13.11 mi0.68 mi7339+33806+11806+117042(Top 25%)767(Top 6%)767(Top 14%)
25K15.53 mi2.42 mi7056+283742+64742+645789(Top 20%)545(Top 4%)545(Top 10%)
30K18.64 mi3.11 mi6553+503659+83659+835025(Top 18%)452(Top 4%)452(Top 8%)
20M20.00 mi1.36 mi6278+275622+37622+374147(Top 15%)346(Top 3%)346(Top 6%)
21M21.00 mi1.00 mi6070+208596+26596+263501(Top 12%)287(Top 2%)287(Top 5%)
35K21.75 mi0.75 mi5981+89587+9587+94409(Top 16%)468(Top 4%)468(Top 9%)
23M23.00 mi1.25 mi5747+234549+38549+383646(Top 13%)341(Top 3%)341(Top 6%)
24M24.00 mi1.00 mi5597+150530+19530+193739(Top 13%)406(Top 3%)406(Top 7%)
40K24.85 mi0.85 mi5456+141509+21509+213104(Top 11%)311(Top 3%)311(Top 6%)
25.2M25.20 mi0.35 mi5395+61506+3506+33455(Top 12%)422(Top 3%)422(Top 8%)
Finish26.22 mi1.02 mi5237+158481+25481+252563(Top 9%)231(Top 2%)231(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

7292

Females

804

F18-39

804

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

8002

Females

1005

F18-39

1005

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

7292

Females

804

F18-39

804

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

6360

Females

631

F18-39

631

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

7042

Females

767

F18-39

767

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5789

Females

545

F18-39

545

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

5025

Females

452

F18-39

452

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4147

Females

346

F18-39

346

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3501

Females

287

F18-39

287

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4409

Females

468

F18-39

468

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3646

Females

341

F18-39

341

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3739

Females

406

F18-39

406

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3104

Females

311

F18-39

311

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3455

Females

422

F18-39

422

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2563

Females

231

F18-39

231

Passing Analysis

Category:
Athletes Passed
3216
Passed By
235
Net Change
+2981
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8218
5K → 10K279157+122#8218#8096
10K → 15K34923+326#8096#7770
15K → 20K4046+398#7770#7372
20K → Half418+33#7372#7339
Half → 25K2918+283#7339#7056
25K → 30K51512+503#7056#6553
30K → 20M2772+275#6553#6278
20M → 21M2113+208#6278#6070
21M → 35K945+89#6070#5981
35K → 23M2373+234#5981#5747
23M → 24M1522+150#5747#5597
24M → 40K1432+141#5597#5456
40K → 25.2M621+61#5456#5395
25.2M → Finish1613+158#5395#5237
TOTALS3216235+2981
📊

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