Boston Marathon logo
BOSTON MARATHON 2025

Amy Mahony

Bib: 14323•F

ON

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 39%
Gender (Female)
#0 / 12228
Top 22%
Division (F18-39)
#0 / 5469
Top 39%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:34/mi
23:32
↑ 97↓ 3451.5%
10K· 6.21 mi
7:32/mi
46:55
↑ 79↓ 1380.4%
15K· 9.32 mi
7:31/mi
1:10:17
↑ 67↓ 78
20K· 12.43 mi
7:38/mi
1:34:01
↑ 106↓ 860.1%
Half· 13.11 mi
7:36/mi
1:39:12
↑ 19↓ 370.5%
25K· 15.53 mi
7:42/mi
1:57:52
↑ 66↓ 880.2%
30K· 18.64 mi
7:58/mi
2:22:37
↑ 181↓ 1480.2%
20M
7:59/mi
2:33:28
↑ 64↓ 500.2%
21M
8:22/mi
2:41:50
↑ 106↓ 241.6%
35K· 21.75 mi
7:46/mi
2:47:39
↑ 17↓ 861.7%
23M
8:00/mi
2:57:40
↑ 23↓ 630.6%
24M
7:49/mi
3:05:29
↓ 821.3%
40K· 24.85 mi
7:50/mi
3:12:11
↓ 200.3%
25.2M
8:39/mi
3:15:10
↑ 13↓ 160.2%
Finish· 26.22 mi
7:36/mi
3:22:55
↑ 22↓ 21

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
Time1:39:12
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:43:43
Pace7:55 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:0223:327:3423:32
7:34
-
10K
6.21 mi11:18:2546:557:3323:23
7:32
-0:02
15K
9.32 mi11:41:471:10:177:3223:22
7:31
-0:01
20K
12.43 mi12:05:311:34:017:3423:44
7:38
+0:07
Half
13.11 mi12:10:421:39:127:345:11
7:36
-0:02
25K
15.53 mi12:29:221:57:527:3518:40
7:42
+0:06
30K
18.64 mi12:54:072:22:377:3924:45
7:58
+0:16
20M
20.00 mi13:04:582:33:287:4010:51
7:59
+0:01
21M
21.00 mi13:13:202:41:507:428:22
8:22
+0:23
35K
21.75 mi13:19:092:47:397:435:49
7:46
-0:36
23M
23.00 mi13:29:102:57:407:4310:01
8:00
+0:14
24M
24.00 mi13:36:593:05:297:447:49
7:49
-0:11
40K
24.85 mi13:43:413:12:117:446:42
7:50
+0:01
25.2M
25.20 mi13:46:403:15:107:452:59
8:39
+0:49
Finish
26.22 mi13:54:253:22:557:457:45
7:36
-1:03

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

7:31 /mi

Average Pace

7:45 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:11:34

94% of race

Time at Steady Pace

11:21

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:44 /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 mi10:55:0223:327:3423:32
7:34
#12908
10K
6.21 mi11:18:2546:557:3323:23
7:32
#12586
15K
9.32 mi11:41:471:10:177:3223:22
7:31
#12337
20K
12.43 mi12:05:311:34:017:3423:44
7:38
#12208
Half
13.11 mi12:10:421:39:127:345:11
7:36
#12225
25K
15.53 mi12:29:221:57:527:3518:40
7:42
#12068
30K
18.64 mi12:54:072:22:377:3924:45
7:58
#11816
20M
20.00 mi13:04:582:33:287:4010:51
7:59
#11669
21M
21.00 mi13:13:202:41:507:428:22
8:22
#11532
35K
21.75 mi13:19:092:47:397:435:49
7:46
#11479
23M
23.00 mi13:29:102:57:407:4310:01
8:00
#11341
24M
24.00 mi13:36:593:05:297:447:49
7:49
#11232
40K
24.85 mi13:43:413:12:117:446:42
7:50
#11118
25.2M
25.20 mi13:46:403:15:107:452:59
8:39
#11077
Finish
26.22 mi13:54:253:22:557:457:45
7:36
#11005
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi129083267326711960(Top 42%)2878(Top 24%)2878(Top 53%)
10K6.21 mi3.10 mi12586+3223118+1493118+14912354(Top 43%)3006(Top 25%)3006(Top 55%)
15K9.32 mi3.11 mi12337+2493018+1003018+10011960(Top 42%)2878(Top 24%)2878(Top 53%)
20K12.43 mi3.11 mi12208+1292985+332985+3311880(Top 42%)2937(Top 24%)2937(Top 54%)
Half13.11 mi0.68 mi12225-173003-183003-1812573(Top 44%)3257(Top 27%)3257(Top 60%)
25K15.53 mi2.42 mi12068+1572953+502953+5011544(Top 41%)2873(Top 23%)2873(Top 53%)
30K18.64 mi3.11 mi11816+2522907+462907+4611151(Top 39%)2861(Top 23%)2861(Top 52%)
20M20.00 mi1.36 mi11669+1472860+472860+4710368(Top 37%)2619(Top 21%)2619(Top 48%)
21M21.00 mi1.00 mi11532+1372829+312829+319676(Top 34%)2463(Top 20%)2463(Top 45%)
35K21.75 mi0.75 mi11479+532830-12830-110659(Top 38%)2930(Top 24%)2930(Top 54%)
23M23.00 mi1.25 mi11341+1382801+292801+2910056(Top 35%)2768(Top 23%)2768(Top 51%)
24M24.00 mi1.00 mi11232+1092779+222779+229968(Top 35%)2798(Top 23%)2798(Top 51%)
40K24.85 mi0.85 mi11118+1142751+282751+289070(Top 32%)2491(Top 20%)2491(Top 46%)
25.2M25.20 mi0.35 mi11077+412747+42747+49775(Top 34%)2901(Top 24%)2901(Top 53%)
Finish26.22 mi1.02 mi11005+722744+32744+310007(Top 35%)2989(Top 24%)2989(Top 55%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

11960

Females

2878

F18-39

2878

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

12354

Females

3006

F18-39

3006

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

11960

Females

2878

F18-39

2878

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11880

Females

2937

F18-39

2937

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

12573

Females

3257

F18-39

3257

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

11544

Females

2873

F18-39

2873

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

11151

Females

2861

F18-39

2861

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

10368

Females

2619

F18-39

2619

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

9676

Females

2463

F18-39

2463

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10659

Females

2930

F18-39

2930

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

10056

Females

2768

F18-39

2768

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9968

Females

2798

F18-39

2798

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9070

Females

2491

F18-39

2491

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9775

Females

2901

F18-39

2901

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

10007

Females

2989

F18-39

2989

Passing Analysis

Category:
Athletes Passed
2709
Passed By
806
Net Change
+1903
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12908
5K → 10K468146+322#12908#12586
10K → 15K33081+249#12586#12337
15K → 20K245116+129#12337#12208
20K → Half2138-17#12208#12225
Half → 25K23477+157#12225#12068
25K → 30K357105+252#12068#11816
30K → 20M18235+147#11816#11669
20M → 21M17639+137#11669#11532
21M → 35K8532+53#11532#11479
35K → 23M17941+138#11479#11341
23M → 24M13829+109#11341#11232
24M → 40K13420+114#11232#11118
40K → 25.2M5514+41#11118#11077
25.2M → Finish10533+72#11077#11005
TOTALS2709806+1903
📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing