Boston Marathon logo
BOSTON MARATHON 2025

Emily Fountain

Bib: 12954•F

TN

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 32%
Gender (Female)
#0 / 12228
Top 15%
Division (F18-39)
#0 / 5469
Top 26%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:06
Rank: #8780
Start → 5K
7:07/mi
22:06 split
10K· 6.21 mi
44:26
Rank: #9046 (-266)
5K → 10K
7:11/mi
22:20 split
15K· 9.32 mi
1:06:51
Rank: #9093 (-47)
10K → 15K
7:13/mi
22:25 split
20K· 12.43 mi
1:29:25
Rank: #8942 (+151)
15K → 20K
7:16/mi
22:34 split
Half· 13.11 mi
1:34:18
Rank: #8924 (+18)
20K → Half
7:09/mi
4:53 split
25K· 15.53 mi
1:51:58
Rank: #8743 (+181)
Half → 25K
7:17/mi
17:40 split
30K· 18.64 mi
2:15:33
Rank: #8611 (+132)
25K → 30K
7:35/mi
23:35 split
20M
2:26:17
Rank: #8650 (-39)
30K → 20M
7:54/mi
10:44 split
21M
2:35:11
Rank: #8898 (-248)
20M → 21M
8:54/mi
8:54 split
35K· 21.75 mi
2:40:38
Rank: #8799 (+99)
21M → 35K
7:17/mi
5:27 split
23M
2:51:01
Rank: #8953 (-154)
35K → 23M
8:18/mi
10:23 split
24M
2:58:35
Rank: #8879 (+74)
23M → 24M
7:34/mi
7:34 split
40K· 24.85 mi
3:05:31
Rank: #8917 (-38)
24M → 40K
8:07/mi
6:56 split
25.2M
3:08:38
Rank: #8973 (-56)
40K → 25.2M
9:02/mi
3:07 split
Finish· 26.22 mi
3:16:37
Rank: #9068 (-95)
25.2M → Finish
7:50/mi
7:59 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
Time1:34:18
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:42:19
Pace7:48 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5822:067:0722:06
7:07
-
10K
6.21 mi11:13:1844:267:0922:20
7:11
+0:04
15K
9.32 mi11:35:431:06:517:1022:25
7:13
+0:02
20K
12.43 mi11:58:171:29:257:1222:34
7:16
+0:03
Half
13.11 mi12:03:101:34:187:124:53
7:09
-0:07
25K
15.53 mi12:20:501:51:587:1217:40
7:17
+0:08
30K
18.64 mi12:44:252:15:337:1623:35
7:35
+0:18
20M
20.00 mi12:55:092:26:177:1910:44
7:54
+0:19
21M
21.00 mi13:04:032:35:117:238:54
8:54
+1:00
35K
21.75 mi13:09:302:40:387:235:27
7:17
-1:37
23M
23.00 mi13:19:532:51:017:2610:23
8:18
+1:01
24M
24.00 mi13:27:272:58:357:267:34
7:34
-0:44
40K
24.85 mi13:34:233:05:317:286:56
8:07
+0:33
25.2M
25.20 mi13:37:303:08:387:293:07
9:02
+0:55
Finish
26.22 mi13:45:293:16:377:307:59
7:50
-1:12

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

7:07 /mi

Average Pace

7:30 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:11:44

36% of race

Time at Steady Pace

1:24:49

43% of race

Time at Slower Pace

40:04

20% of race

Average Pace: 7:30 /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 mi10:50:5822:067:0722:06
7:07
#8780
10K
6.21 mi11:13:1844:267:0922:20
7:11
#9046
15K
9.32 mi11:35:431:06:517:1022:25
7:13
#9093
20K
12.43 mi11:58:171:29:257:1222:34
7:16
#8942
Half
13.11 mi12:03:101:34:187:124:53
7:09
#8924
25K
15.53 mi12:20:501:51:587:1217:40
7:17
#8743
30K
18.64 mi12:44:252:15:337:1623:35
7:35
#8611
20M
20.00 mi12:55:092:26:177:1910:44
7:54
#8650
21M
21.00 mi13:04:032:35:117:238:54
8:54
#8898
35K
21.75 mi13:09:302:40:387:235:27
7:17
#8799
23M
23.00 mi13:19:532:51:017:2610:23
8:18
#8953
24M
24.00 mi13:27:272:58:357:267:34
7:34
#8879
40K
24.85 mi13:34:233:05:317:286:56
8:07
#8917
25.2M
25.20 mi13:37:303:08:387:293:07
9:02
#8973
Finish
26.22 mi13:45:293:16:377:307:59
7:50
#9068
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8780127812789267(Top 33%)1548(Top 13%)1548(Top 28%)
10K6.21 mi3.10 mi9046-2661396-1181396-1189404(Top 33%)1557(Top 13%)1557(Top 28%)
15K9.32 mi3.11 mi9093-471435-391435-399267(Top 33%)1548(Top 13%)1548(Top 28%)
20K12.43 mi3.11 mi8942+1511394+411394+418742(Top 31%)1419(Top 12%)1419(Top 26%)
Half13.11 mi0.68 mi8924+181385+91385+98812(Top 31%)1424(Top 12%)1424(Top 26%)
25K15.53 mi2.42 mi8743+1811335+501335+508289(Top 29%)1338(Top 11%)1338(Top 24%)
30K18.64 mi3.11 mi8611+1321339-41339-48396(Top 30%)1555(Top 13%)1555(Top 28%)
20M20.00 mi1.36 mi8650-391399-601399-609736(Top 34%)2312(Top 19%)2312(Top 42%)
21M21.00 mi1.00 mi8898-2481532-1331532-13312930(Top 46%)4073(Top 33%)4073(Top 74%)
35K21.75 mi0.75 mi8799+991509+231509+237201(Top 25%)1378(Top 11%)1378(Top 25%)
23M23.00 mi1.25 mi8953-1541623-1141623-11412003(Top 42%)3737(Top 31%)3737(Top 68%)
24M24.00 mi1.00 mi8879+74162316238190(Top 29%)1944(Top 16%)1944(Top 36%)
40K24.85 mi0.85 mi8917-381677-541677-5410947(Top 39%)3364(Top 28%)3364(Top 62%)
25.2M25.20 mi0.35 mi8973-561715-381715-3812020(Top 42%)3961(Top 32%)3961(Top 72%)
Finish26.22 mi1.02 mi9068-951801-861801-8611688(Top 41%)3779(Top 31%)3779(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

9267

Females

1548

F18-39

1548

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

9404

Females

1557

F18-39

1557

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

9267

Females

1548

F18-39

1548

15K→20K

9.3 - 12.4 mi

Top 31%
×5story building
+106ft-86ft

Overall

8742

Females

1419

F18-39

1419

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

8812

Females

1424

F18-39

1424

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

8289

Females

1338

F18-39

1338

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

8396

Females

1555

F18-39

1555

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

9736

Females

2312

F18-39

2312

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

12930

Females

4073

F18-39

4073

21M→35K

21.0 - 21.8 mi

Top 25%
×7story building
+17ft-86ft

Overall

7201

Females

1378

F18-39

1378

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

12003

Females

3737

F18-39

3737

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

8190

Females

1944

F18-39

1944

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10947

Females

3364

F18-39

3364

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

12020

Females

3961

F18-39

3961

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

11688

Females

3779

F18-39

3779

Passing Analysis

Category:
Athletes Passed
1618
Passed By
1906
Net Change
-288
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8780
5K → 10K108374-266#8780#9046
10K → 15K152199-47#9046#9093
15K → 20K23988+151#9093#8942
20K → Half4830+18#8942#8924
Half → 25K23958+181#8924#8743
25K → 30K270138+132#8743#8611
30K → 20M86125-39#8611#8650
20M → 21M41289-248#8650#8898
21M → 35K11011+99#8898#8799
35K → 23M77231-154#8799#8953
23M → 24M11440+74#8953#8879
24M → 40K69107-38#8879#8917
40K → 25.2M1874-56#8917#8973
25.2M → Finish47142-95#8973#9068
TOTALS16181906-288
📊

Passing Visuals

Category:
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