Boston Marathon logo
BOSTON MARATHON 2025

Emily Walden

Bib: 28108•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
33:15
Rank: #27121
Start → 5K
10:42/mi
33:15 split
10K· 6.21 mi
1:06:49
Rank: #26936 (+185)
5K → 10K
10:48/mi
33:34 split
15K· 9.32 mi
1:40:34
Rank: #26773 (+163)
10K → 15K
10:52/mi
33:45 split
20K· 12.43 mi
2:17:19
Rank: #26849 (-76)
15K → 20K
11:50/mi
36:45 split
Half· 13.11 mi
2:24:59
Rank: #26852 (-3)
20K → Half
11:14/mi
7:40 split
25K· 15.53 mi
2:58:00
Rank: #27081 (-229)
Half → 25K
13:37/mi
33:01 split
30K· 18.64 mi
3:40:43
Rank: #27132 (-51)
25K → 30K
13:45/mi
42:43 split
20M
3:57:56
Rank: #27085 (+47)
30K → 20M
12:40/mi
17:13 split
21M
4:11:58
Rank: #27067 (+18)
20M → 21M
14:02/mi
14:02 split
35K· 21.75 mi
4:20:37
Rank: #27033 (+34)
21M → 35K
11:34/mi
8:39 split
23M
4:36:33
Rank: #27006 (+27)
35K → 23M
12:44/mi
15:56 split
24M
4:48:43
Rank: #26967 (+39)
23M → 24M
12:10/mi
12:10 split
40K· 24.85 mi
5:00:02
Rank: #26949 (+18)
24M → 40K
13:14/mi
11:19 split
25.2M
5:04:19
Rank: #26916 (+33)
40K → 25.2M
12:25/mi
4:17 split
Finish· 26.22 mi
5:16:23
Rank: #26914 (+2)
25.2M → Finish
11:50/mi
12:04 split

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
Time2:24:59
Pace11:04 /mi
2nd Half
Distance13.11 mi
Time2:51:24
Pace13:04 /mi
📊Positive Split: 18.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0633:1510:4233:15
10:42
-
10K
6.21 mi12:23:401:06:4910:4533:34
10:48
+0:06
15K
9.32 mi12:57:251:40:3410:4733:45
10:52
+0:04
20K
12.43 mi13:34:102:17:1911:0336:45
11:50
+0:58
Half
13.11 mi13:41:502:24:5911:047:40
11:14
-0:36
25K
15.53 mi14:14:512:58:0011:2833:01
13:37
+2:23
30K
18.64 mi14:57:343:40:4311:5042:43
13:45
+0:08
20M
20.00 mi15:14:473:57:5611:5417:13
12:40
-1:05
21M
21.00 mi15:28:494:11:5812:0014:02
14:02
+1:22
35K
21.75 mi15:37:284:20:3711:598:39
11:34
-2:28
23M
23.00 mi15:53:244:36:3312:0115:56
12:44
+1:10
24M
24.00 mi16:05:344:48:4312:0212:10
12:10
-0:34
40K
24.85 mi16:16:535:00:0212:0411:19
13:14
+1:04
25.2M
25.20 mi16:21:105:04:1912:054:17
12:25
-0:49
Finish
26.22 mi16:33:145:16:2312:0512:04
11:50
-0:35

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

10:42 /mi

Average Pace

12:05 /mi

Slowest Pace

14:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:53

37% of race

Time at Steady Pace

1:22:29

26% of race

Time at Slower Pace

1:57:01

37% of race

Average Pace: 12:04 /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 mi11:50:0633:1510:4233:15
10:42
#27121
10K
6.21 mi12:23:401:06:4910:4533:34
10:48
#26936
15K
9.32 mi12:57:251:40:3410:4733:45
10:52
#26773
20K
12.43 mi13:34:102:17:1911:0336:45
11:50
#26849
Half
13.11 mi13:41:502:24:5911:047:40
11:14
#26852
25K
15.53 mi14:14:512:58:0011:2833:01
13:37
#27081
30K
18.64 mi14:57:343:40:4311:5042:43
13:45
#27132
20M
20.00 mi15:14:473:57:5611:5417:13
12:40
#27085
21M
21.00 mi15:28:494:11:5812:0014:02
14:02
#27067
35K
21.75 mi15:37:284:20:3711:598:39
11:34
#27033
23M
23.00 mi15:53:244:36:3312:0115:56
12:44
#27006
24M
24.00 mi16:05:344:48:4312:0212:10
12:10
#26967
40K
24.85 mi16:16:535:00:0212:0411:19
13:14
#26949
25.2M
25.20 mi16:21:105:04:1912:054:17
12:25
#26916
Finish
26.22 mi16:33:145:16:2312:0512:04
11:50
#26914
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27121114001140026500(Top 93%)11070(Top 91%)11070(Top 202%)
10K6.21 mi3.10 mi26936+18511307+9311307+9326781(Top 94%)11222(Top 92%)11222(Top 205%)
15K9.32 mi3.11 mi26773+16311220+8711220+8726500(Top 93%)11070(Top 91%)11070(Top 202%)
20K12.43 mi3.11 mi26849-7611269-4911269-4926962(Top 95%)11371(Top 93%)11371(Top 208%)
Half13.11 mi0.68 mi26852-311276-711276-726805(Top 94%)11303(Top 92%)11303(Top 207%)
25K15.53 mi2.42 mi27081-22911427-15111427-15127688(Top 97%)11822(Top 97%)11822(Top 216%)
30K18.64 mi3.11 mi27132-5111477-5011477-5027318(Top 96%)11669(Top 95%)11669(Top 213%)
20M20.00 mi1.36 mi27085+4711455+2211455+2226099(Top 92%)11062(Top 90%)11062(Top 202%)
21M21.00 mi1.00 mi27067+1811452+311452+326264(Top 92%)11189(Top 92%)11189(Top 205%)
35K21.75 mi0.75 mi27033+3411440+1211440+1225177(Top 89%)10688(Top 87%)10688(Top 195%)
23M23.00 mi1.25 mi27006+2711430+1011430+1026065(Top 92%)11126(Top 91%)11126(Top 203%)
24M24.00 mi1.00 mi26967+3911409+2111409+2125862(Top 91%)11070(Top 91%)11070(Top 202%)
40K24.85 mi0.85 mi26949+1811410-111410-126523(Top 93%)11404(Top 93%)11404(Top 209%)
25.2M25.20 mi0.35 mi26916+3311394+1611394+1624008(Top 85%)10184(Top 83%)10184(Top 186%)
Finish26.22 mi1.02 mi26914+211399-511399-526596(Top 94%)11431(Top 93%)11431(Top 209%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

26500

Females

11070

F18-39

11070

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

26781

Females

11222

F18-39

11222

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

26500

Females

11070

F18-39

11070

15K→20K

9.3 - 12.4 mi

Top 95%
×5stories
+106ft-86ft

Overall

26962

Females

11371

F18-39

11371

20K→Half

12.4 - 13.1 mi

Top 94%
×2stories
+19ft-37ft

Overall

26805

Females

11303

F18-39

11303

Half→25K

13.1 - 15.5 mi

Top 97%
×4stories
+66ft-88ft

Overall

27688

Females

11822

F18-39

11822

25K→30K

15.5 - 18.6 mi

Top 96%
×9stories
+181ft-148ft

Overall

27318

Females

11669

F18-39

11669

30K→20M

18.6 - 20.0 mi

Top 92%
×5stories
+64ft-50ft

Overall

26099

Females

11062

F18-39

11062

20M→21M

20.0 - 21.0 mi

Top 92%
×8stories
+106ft-24ft

Overall

26264

Females

11189

F18-39

11189

21M→35K

21.0 - 21.8 mi

Top 89%
×7stories
+17ft-86ft

Overall

25177

Females

10688

F18-39

10688

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

26065

Females

11126

F18-39

11126

23M→24M

23.0 - 24.0 mi

Top 91%
×6stories
+12ft-82ft

Overall

25862

Females

11070

F18-39

11070

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

26523

Females

11404

F18-39

11404

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24008

Females

10184

F18-39

10184

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2stories
+22ft-21ft

Overall

26596

Females

11431

F18-39

11431

Passing Analysis

Category:
Athletes Passed
920
Passed By
713
Net Change
+207
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27121
5K → 10K24964+185#27121#26936
10K → 15K20643+163#26936#26773
15K → 20K81157-76#26773#26849
20K → Half1316-3#26849#26852
Half → 25K15244-229#26852#27081
25K → 30K59110-51#27081#27132
30K → 20M569+47#27132#27085
20M → 21M4022+18#27085#27067
21M → 35K362+34#27067#27033
35K → 23M358+27#27033#27006
23M → 24M4910+39#27006#26967
24M → 40K3012+18#26967#26949
40K → 25.2M341+33#26949#26916
25.2M → Finish1715+2#26916#26914
TOTALS920713+207
📊

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