Boston Marathon logo
BOSTON MARATHON 2025

Katelin Ehrhardt

Bib: 28508•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
31:37
Rank: #26007
Start → 5K
31:37 | 10:11/mi
10K· 6.21 mi
1:02:44
Rank: #25636 (+371)
5K → 10K
31:07 | 10:01/mi
15K· 9.32 mi
1:34:07
Rank: #25517 (+119)
10K → 15K
31:23 | 10:06/mi
20K· 12.43 mi
2:08:04
Rank: #25620 (-103)
15K → 20K
33:57 | 10:56/mi
Half· 13.11 mi
2:15:05
Rank: #25611 (+9)
20K → Half
7:01 | 10:17/mi
25K· 15.53 mi
2:42:49
Rank: #25659 (-48)
Half → 25K
27:44 | 11:26/mi
30K· 18.64 mi
3:17:17
Rank: #25383 (+276)
25K → 30K
34:28 | 11:06/mi
20M
3:32:22
Rank: #25270 (+113)
30K → 20M
15:05 | 11:06/mi
21M
3:44:16
Rank: #25187 (+83)
20M → 21M
11:54 | 11:54/mi
35K· 21.75 mi
3:52:34
Rank: #25173 (+14)
21M → 35K
8:18 | 11:06/mi
23M
4:06:45
Rank: #25113 (+60)
35K → 23M
14:11 | 11:20/mi
24M
4:17:30
Rank: #25059 (+54)
23M → 24M
10:45 | 10:45/mi
40K· 24.85 mi
4:26:57
Rank: #24997 (+62)
24M → 40K
9:27 | 11:03/mi
25.2M
4:30:54
Rank: #24971 (+26)
40K → 25.2M
3:57 | 11:27/mi
Finish· 26.22 mi
4:40:41
Rank: #24891 (+80)
25.2M → Finish
9:47 | 9:36/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
Time2:15:05
Pace10:18 /mi
2nd Half
Distance13.11 mi
Time2:25:36
Pace11:06 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:4931:3710:1131:37
10:11
-
10K
6.21 mi12:22:561:02:4410:0631:07
10:01
-0:10
15K
9.32 mi12:54:191:34:0710:0631:23
10:06
+0:05
20K
12.43 mi13:28:162:08:0410:1833:57
10:56
+0:50
Half
13.11 mi13:35:172:15:0510:187:01
10:17
-0:39
25K
15.53 mi14:03:012:42:4910:2927:44
11:26
+1:09
30K
18.64 mi14:37:293:17:1710:3534:28
11:06
-0:20
20M
20.00 mi14:52:343:32:2210:3715:05
11:06
0:00
21M
21.00 mi15:04:283:44:1610:4111:54
11:54
+0:48
35K
21.75 mi15:12:463:52:3410:428:18
11:06
-0:48
23M
23.00 mi15:26:574:06:4510:4414:11
11:20
+0:14
24M
24.00 mi15:37:424:17:3010:4410:45
10:45
-0:35
40K
24.85 mi15:47:094:26:5710:449:27
11:03
+0:18
25.2M
25.20 mi15:51:064:30:5410:453:57
11:27
+0:24
Finish
26.22 mi16:00:534:40:4110:439:47
9:36
-1:51

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

9:36 /mi

Average Pace

10:43 /mi

Slowest Pace

11:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:55

40% of race

Time at Steady Pace

2:06:11

45% of race

Time at Slower Pace

43:35

16% of race

Average Pace: 10:42 /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 mi11:51:4931:3710:1131:37
10:11
#26007
10K
6.21 mi12:22:561:02:4410:0631:07
10:01
#25636
15K
9.32 mi12:54:191:34:0710:0631:23
10:06
#25517
20K
12.43 mi13:28:162:08:0410:1833:57
10:56
#25620
Half
13.11 mi13:35:172:15:0510:187:01
10:17
#25611
25K
15.53 mi14:03:012:42:4910:2927:44
11:26
#25659
30K
18.64 mi14:37:293:17:1710:3534:28
11:06
#25383
20M
20.00 mi14:52:343:32:2210:3715:05
11:06
#25270
21M
21.00 mi15:04:283:44:1610:4111:54
11:54
#25187
35K
21.75 mi15:12:463:52:3410:428:18
11:06
#25173
23M
23.00 mi15:26:574:06:4510:4414:11
11:20
#25113
24M
24.00 mi15:37:424:17:3010:4410:45
10:45
#25059
40K
24.85 mi15:47:094:26:5710:449:27
11:03
#24997
25.2M
25.20 mi15:51:064:30:5410:453:57
11:27
#24971
Finish
26.22 mi16:00:534:40:4110:439:47
9:36
#24891
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26007107611076125200(Top 89%)10338(Top 85%)10338(Top 189%)
10K6.21 mi3.10 mi25636+37110574+18710574+18725352(Top 89%)10433(Top 85%)10433(Top 191%)
15K9.32 mi3.11 mi25517+11910508+6610508+6625200(Top 89%)10338(Top 85%)10338(Top 189%)
20K12.43 mi3.11 mi25620-10310575-6710575-6725887(Top 91%)10744(Top 88%)10744(Top 196%)
Half13.11 mi0.68 mi25611+910567+810567+825396(Top 89%)10487(Top 86%)10487(Top 192%)
25K15.53 mi2.42 mi25659-4810604-3710604-3725779(Top 91%)10737(Top 88%)10737(Top 196%)
30K18.64 mi3.11 mi25383+27610496+10810496+10824172(Top 85%)9961(Top 81%)9961(Top 182%)
20M20.00 mi1.36 mi25270+11310450+4610450+4623790(Top 84%)9844(Top 81%)9844(Top 180%)
21M21.00 mi1.00 mi25187+8310414+3610414+3623398(Top 82%)9715(Top 79%)9715(Top 178%)
35K21.75 mi0.75 mi25173+14104141041424385(Top 86%)10269(Top 84%)10269(Top 188%)
23M23.00 mi1.25 mi25113+6010392+2210392+2223922(Top 84%)10065(Top 82%)10065(Top 184%)
24M24.00 mi1.00 mi25059+5410370+2210370+2223420(Top 82%)9845(Top 81%)9845(Top 180%)
40K24.85 mi0.85 mi24997+6210351+1910351+1923243(Top 82%)9830(Top 80%)9830(Top 180%)
25.2M25.20 mi0.35 mi24971+2610339+1210339+1221863(Top 77%)9100(Top 74%)9100(Top 166%)
Finish26.22 mi1.02 mi24891+8010306+3310306+3321524(Top 76%)8931(Top 73%)8931(Top 163%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

25200

Females

10338

F18-39

10338

5K→10K

3.1 - 6.2 mi

Top 89%
×5stories
+79ft-138ft

Overall

25352

Females

10433

F18-39

10433

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

25200

Females

10338

F18-39

10338

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

25887

Females

10744

F18-39

10744

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

25396

Females

10487

F18-39

10487

Half→25K

13.1 - 15.5 mi

Top 91%
×4stories
+66ft-88ft

Overall

25779

Females

10737

F18-39

10737

25K→30K

15.5 - 18.6 mi

Top 85%
×9stories
+181ft-148ft

Overall

24172

Females

9961

F18-39

9961

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

23790

Females

9844

F18-39

9844

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

23398

Females

9715

F18-39

9715

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

24385

Females

10269

F18-39

10269

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

23922

Females

10065

F18-39

10065

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

23420

Females

9845

F18-39

9845

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

23243

Females

9830

F18-39

9830

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

21863

Females

9100

F18-39

9100

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2stories
+22ft-21ft

Overall

21524

Females

8931

F18-39

8931

Passing Analysis

Category:
Athletes Passed
1663
Passed By
547
Net Change
+1116
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26007
5K → 10K41544+371#26007#25636
10K → 15K18970+119#25636#25517
15K → 20K93196-103#25517#25620
20K → Half2112+9#25620#25611
Half → 25K86134-48#25611#25659
25K → 30K28913+276#25659#25383
30K → 20M12411+113#25383#25270
20M → 21M9512+83#25270#25187
21M → 35K2511+14#25187#25173
35K → 23M7515+60#25173#25113
23M → 24M628+54#25113#25059
24M → 40K7311+62#25059#24997
40K → 25.2M315+26#24997#24971
25.2M → Finish855+80#24971#24891
TOTALS1663547+1116
📊

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