Boston Marathon logo
BOSTON MARATHON 2025

Amelia Thyen

Bib: 29673•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
33:27
Rank: #27232
Start → 5K
33:27 | 10:46/mi
10K· 6.21 mi
1:09:18
Rank: #27488 (-256)
5K → 10K
35:51 | 11:32/mi
15K· 9.32 mi
1:45:29
Rank: #27455 (+33)
10K → 15K
36:11 | 11:39/mi
20K· 12.43 mi
2:24:22
Rank: #27493 (-38)
15K → 20K
38:53 | 12:31/mi
Half· 13.11 mi
2:32:48
Rank: #27510 (-17)
20K → Half
8:26 | 12:22/mi
25K· 15.53 mi
3:05:37
Rank: #27552 (-42)
Half → 25K
32:49 | 13:32/mi
30K· 18.64 mi
3:48:54
Rank: #27553 (-1)
25K → 30K
43:17 | 13:56/mi
20M
4:06:24
Rank: #27468 (+85)
30K → 20M
17:30 | 12:53/mi
21M
4:20:34
Rank: #27435 (+33)
20M → 21M
14:10 | 14:10/mi
35K· 21.75 mi
4:30:18
Rank: #27432 (+3)
21M → 35K
9:44 | 13:01/mi
23M
4:46:05
Rank: #27383 (+49)
35K → 23M
15:47 | 12:36/mi
24M
4:57:40
Rank: #27321 (+62)
23M → 24M
11:35 | 11:35/mi
40K· 24.85 mi
5:08:12
Rank: #27275 (+46)
24M → 40K
10:32 | 12:19/mi
25.2M
5:12:37
Rank: #27252 (+23)
40K → 25.2M
4:25 | 12:48/mi
Finish· 26.22 mi
5:23:07
Rank: #27170 (+82)
25.2M → Finish
10:30 | 10:18/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
Time2:32:48
Pace11:39 /mi
2nd Half
Distance13.11 mi
Time2:50:19
Pace13:00 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:59:5833:2710:4633:27
10:46
-
10K
6.21 mi12:35:491:09:1811:0935:51
11:32
+0:46
15K
9.32 mi13:12:001:45:2911:1936:11
11:39
+0:07
20K
12.43 mi13:50:532:24:2211:3738:53
12:31
+0:52
Half
13.11 mi13:59:192:32:4811:398:26
12:22
-0:09
25K
15.53 mi14:32:083:05:3711:5732:49
13:32
+1:10
30K
18.64 mi15:15:253:48:5412:1743:17
13:56
+0:24
20M
20.00 mi15:32:554:06:2412:1917:30
12:53
-1:03
21M
21.00 mi15:47:054:20:3412:2414:10
14:10
+1:17
35K
21.75 mi15:56:494:30:1812:269:44
13:01
-1:09
23M
23.00 mi16:12:364:46:0512:2615:47
12:36
-0:25
24M
24.00 mi16:24:114:57:4012:2411:35
11:35
-1:01
40K
24.85 mi16:34:435:08:1212:2410:32
12:19
+0:44
25.2M
25.20 mi16:39:085:12:3712:244:25
12:48
+0:29
Finish
26.22 mi16:49:385:23:0712:2010:30
10:18
-2:30

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

10:18 /mi

Average Pace

12:20 /mi

Slowest Pace

14:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:34

39% of race

Time at Steady Pace

1:45:17

33% of race

Time at Slower Pace

1:30:16

28% of race

Average Pace: 12:19 /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 mi11:59:5833:2710:4633:27
10:46
#27232
10K
6.21 mi12:35:491:09:1811:0935:51
11:32
#27488
15K
9.32 mi13:12:001:45:2911:1936:11
11:39
#27455
20K
12.43 mi13:50:532:24:2211:3738:53
12:31
#27493
Half
13.11 mi13:59:192:32:4811:398:26
12:22
#27510
25K
15.53 mi14:32:083:05:3711:5732:49
13:32
#27552
30K
18.64 mi15:15:253:48:5412:1743:17
13:56
#27553
20M
20.00 mi15:32:554:06:2412:1917:30
12:53
#27468
21M
21.00 mi15:47:054:20:3412:2414:10
14:10
#27435
35K
21.75 mi15:56:494:30:1812:269:44
13:01
#27432
23M
23.00 mi16:12:364:46:0512:2615:47
12:36
#27383
24M
24.00 mi16:24:114:57:4012:2411:35
11:35
#27321
40K
24.85 mi16:34:435:08:1212:2410:32
12:19
#27275
25.2M
25.20 mi16:39:085:12:3712:244:25
12:48
#27252
Finish
26.22 mi16:49:385:23:0712:2010:30
10:18
#27170
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27232114651146527364(Top 96%)11598(Top 95%)11598(Top 212%)
10K6.21 mi3.10 mi27488-25611636-17111636-17127641(Top 97%)11745(Top 96%)11745(Top 215%)
15K9.32 mi3.11 mi27455+3311630+611630+627364(Top 96%)11598(Top 95%)11598(Top 212%)
20K12.43 mi3.11 mi27493-3811657-2711657-2727528(Top 97%)11714(Top 96%)11714(Top 214%)
Half13.11 mi0.68 mi27510-1711669-1211669-1227688(Top 97%)11814(Top 97%)11814(Top 216%)
25K15.53 mi2.42 mi27552-4211707-3811707-3827631(Top 97%)11791(Top 96%)11791(Top 216%)
30K18.64 mi3.11 mi27553-111731-2411731-2427456(Top 97%)11751(Top 96%)11751(Top 215%)
20M20.00 mi1.36 mi27468+8511692+3911692+3926323(Top 93%)11180(Top 91%)11180(Top 204%)
21M21.00 mi1.00 mi27435+3311667+2511667+2526395(Top 93%)11259(Top 92%)11259(Top 206%)
35K21.75 mi0.75 mi27432+311669-211669-226964(Top 95%)11571(Top 95%)11571(Top 212%)
23M23.00 mi1.25 mi27383+4911649+2011649+2025929(Top 91%)11067(Top 91%)11067(Top 202%)
24M24.00 mi1.00 mi27321+6211626+2311626+2325020(Top 88%)10644(Top 87%)10644(Top 195%)
40K24.85 mi0.85 mi27275+4611602+2411602+2425396(Top 89%)10866(Top 89%)10866(Top 199%)
25.2M25.20 mi0.35 mi27252+2311590+1211590+1224725(Top 87%)10543(Top 86%)10543(Top 193%)
Finish26.22 mi1.02 mi27170+8211545+4511545+4523785(Top 84%)10070(Top 82%)10070(Top 184%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21stories
+97ft-345ft

Overall

27364

Females

11598

F18-39

11598

5K→10K

3.1 - 6.2 mi

Top 97%
×5stories
+79ft-138ft

Overall

27641

Females

11745

F18-39

11745

10K→15K

6.2 - 9.3 mi

Top 96%
×3stories
+67ft-78ft

Overall

27364

Females

11598

F18-39

11598

15K→20K

9.3 - 12.4 mi

Top 97%
×5stories
+106ft-86ft

Overall

27528

Females

11714

F18-39

11714

20K→Half

12.4 - 13.1 mi

Top 97%
×2stories
+19ft-37ft

Overall

27688

Females

11814

F18-39

11814

Half→25K

13.1 - 15.5 mi

Top 97%
×4stories
+66ft-88ft

Overall

27631

Females

11791

F18-39

11791

25K→30K

15.5 - 18.6 mi

Top 97%
×9stories
+181ft-148ft

Overall

27456

Females

11751

F18-39

11751

30K→20M

18.6 - 20.0 mi

Top 93%
×5stories
+64ft-50ft

Overall

26323

Females

11180

F18-39

11180

20M→21M

20.0 - 21.0 mi

Top 93%
×8stories
+106ft-24ft

Overall

26395

Females

11259

F18-39

11259

21M→35K

21.0 - 21.8 mi

Top 95%
×7stories
+17ft-86ft

Overall

26964

Females

11571

F18-39

11571

35K→23M

21.8 - 23.0 mi

Top 91%
×5stories
+23ft-63ft

Overall

25929

Females

11067

F18-39

11067

23M→24M

23.0 - 24.0 mi

Top 88%
×6stories
+12ft-82ft

Overall

25020

Females

10644

F18-39

10644

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

25396

Females

10866

F18-39

10866

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

24725

Females

10543

F18-39

10543

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

23785

Females

10070

F18-39

10070

Passing Analysis

Category:
Athletes Passed
748
Passed By
686
Net Change
+62
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27232
5K → 10K58314-256#27232#27488
10K → 15K9865+33#27488#27455
15K → 20K63101-38#27455#27493
20K → Half623-17#27493#27510
Half → 25K4688-42#27510#27552
25K → 30K6061-1#27552#27553
30K → 20M872+85#27553#27468
20M → 21M407+33#27468#27435
21M → 35K129+3#27435#27432
35K → 23M578+49#27432#27383
23M → 24M642+62#27383#27321
24M → 40K515+46#27321#27275
40K → 25.2M230+23#27275#27252
25.2M → Finish831+82#27252#27170
TOTALS748686+62
📊

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