Boston Marathon logo
BOSTON MARATHON 2025

Aoife Daly

Bib: 27790•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

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
10:39/mi
33:06
↑ 97↓ 3451.5%
10K· 6.21 mi
11:24/mi
1:08:30
↑ 79↓ 1380.4%
15K· 9.32 mi
11:50/mi
1:45:15
↑ 67↓ 78
20K· 12.43 mi
13:53/mi
2:28:24
↑ 106↓ 860.1%
Half· 13.11 mi
11:22/mi
2:36:09
↑ 19↓ 370.5%
25K· 15.53 mi
10:32/mi
3:01:42
↑ 66↓ 880.2%
30K· 18.64 mi
11:43/mi
3:38:07
↑ 181↓ 1480.2%
20M
11:28/mi
3:53:42
↑ 64↓ 500.2%
21M
11:58/mi
4:05:40
↑ 106↓ 241.6%
35K· 21.75 mi
9:37/mi
4:12:52
↑ 17↓ 861.7%
23M
11:00/mi
4:26:38
↑ 23↓ 630.6%
24M
10:57/mi
4:37:35
↓ 821.3%
40K· 24.85 mi
10:55/mi
4:46:55
↓ 200.3%
25.2M
11:10/mi
4:50:46
↑ 13↓ 160.2%
Finish· 26.22 mi
10:25/mi
5:01:23
↑ 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 Half
Distance13.11 mi
Time2:36:09
Pace11:55 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:25:14
Pace11:05 /mi
📊Negative Split: 7.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:2233:0610:3933:06
10:39
-
10K
6.21 mi12:33:461:08:3011:0135:24
11:24
+0:45
15K
9.32 mi13:10:311:45:1511:1836:45
11:50
+0:26
20K
12.43 mi13:53:402:28:2411:5643:09
13:53
+2:03
Half
13.11 mi14:01:252:36:0911:557:45
11:22
-2:31
25K
15.53 mi14:26:583:01:4211:4225:33
10:32
-0:50
30K
18.64 mi15:03:233:38:0711:4236:25
11:43
+1:11
20M
20.00 mi15:18:583:53:4211:4115:35
11:28
-0:15
21M
21.00 mi15:30:564:05:4011:4211:58
11:58
+0:30
35K
21.75 mi15:38:084:12:5211:387:12
9:37
-2:21
23M
23.00 mi15:51:544:26:3811:3613:46
11:00
+1:23
24M
24.00 mi16:02:514:37:3511:3410:57
10:57
-0:03
40K
24.85 mi16:12:114:46:5511:339:20
10:55
-0:02
25.2M
25.20 mi16:16:024:50:4611:323:51
11:10
+0:15
Finish
26.22 mi16:26:395:01:2311:3010:37
10:25
-0:45

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

9:37 /mi

Average Pace

11:30 /mi

Slowest Pace

13:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:28

25% of race

Time at Steady Pace

1:36:38

32% of race

Time at Slower Pace

2:08:17

43% of race

Average Pace: 11:30 /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 mi11:58:2233:0610:3933:06
10:39
#27053
10K
6.21 mi12:33:461:08:3011:0135:24
11:24
#27342
15K
9.32 mi13:10:311:45:1511:1836:45
11:50
#27427
20K
12.43 mi13:53:402:28:2411:5643:09
13:53
#27775
Half
13.11 mi14:01:252:36:0911:557:45
11:22
#27738
25K
15.53 mi14:26:583:01:4211:4225:33
10:32
#27318
30K
18.64 mi15:03:233:38:0711:4236:25
11:43
#27016
20M
20.00 mi15:18:583:53:4211:4115:35
11:28
#26882
21M
21.00 mi15:30:564:05:4011:4211:58
11:58
#26745
35K
21.75 mi15:38:084:12:5211:387:12
9:37
#26606
23M
23.00 mi15:51:544:26:3811:3613:46
11:00
#26456
24M
24.00 mi16:02:514:37:3511:3410:57
10:57
#26384
40K
24.85 mi16:12:114:46:5511:339:20
10:55
#26280
25.2M
25.20 mi16:16:024:50:4611:323:51
11:10
#26229
Finish
26.22 mi16:26:395:01:2311:3010:37
10:25
#26202
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi27053113561135627509(Top 97%)11687(Top 96%)11687(Top 214%)
10K6.21 mi3.10 mi27342-28911556-20011556-20027487(Top 97%)11657(Top 95%)11657(Top 213%)
15K9.32 mi3.11 mi27427-8511610-5411610-5427509(Top 97%)11687(Top 96%)11687(Top 214%)
20K12.43 mi3.11 mi27775-34811840-23011840-23028205(Top 99%)12123(Top 99%)12123(Top 222%)
Half13.11 mi0.68 mi27738+3711822+1811822+1826917(Top 95%)11362(Top 93%)11362(Top 208%)
25K15.53 mi2.42 mi27318+42011567+25511567+25524435(Top 86%)9983(Top 82%)9983(Top 183%)
30K18.64 mi3.11 mi27016+30211401+16611401+16625177(Top 89%)10498(Top 86%)10498(Top 192%)
20M20.00 mi1.36 mi26882+13411340+6111340+6124477(Top 86%)10216(Top 84%)10216(Top 187%)
21M21.00 mi1.00 mi26745+13711268+7211268+7223526(Top 83%)9777(Top 80%)9777(Top 179%)
35K21.75 mi0.75 mi26606+13911198+7011198+7020725(Top 73%)8371(Top 68%)8371(Top 153%)
23M23.00 mi1.25 mi26456+15011119+7911119+7923199(Top 82%)9716(Top 79%)9716(Top 178%)
24M24.00 mi1.00 mi26384+7211086+3311086+3323878(Top 84%)10061(Top 82%)10061(Top 184%)
40K24.85 mi0.85 mi26280+10411047+3911047+3922934(Top 81%)9672(Top 79%)9672(Top 177%)
25.2M25.20 mi0.35 mi26229+5111015+3211015+3221060(Top 74%)8703(Top 71%)8703(Top 159%)
Finish26.22 mi1.02 mi26202+2711005+1011005+1024078(Top 85%)10213(Top 84%)10213(Top 187%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

27509

Females

11687

F18-39

11687

5K→10K

3.1 - 6.2 mi

Top 97%
×5story building
+79ft-138ft

Overall

27487

Females

11657

F18-39

11657

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

27509

Females

11687

F18-39

11687

15K→20K

9.3 - 12.4 mi

Top 99%
×5story building
+106ft-86ft

Overall

28205

Females

12123

F18-39

12123

20K→Half

12.4 - 13.1 mi

Top 95%
×2story building
+19ft-37ft

Overall

26917

Females

11362

F18-39

11362

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

24435

Females

9983

F18-39

9983

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

25177

Females

10498

F18-39

10498

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

24477

Females

10216

F18-39

10216

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

23526

Females

9777

F18-39

9777

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

20725

Females

8371

F18-39

8371

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

23199

Females

9716

F18-39

9716

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

23878

Females

10061

F18-39

10061

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

22934

Females

9672

F18-39

9672

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

21060

Females

8703

F18-39

8703

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

24078

Females

10213

F18-39

10213

Passing Analysis

Category:
Athletes Passed
1720
Passed By
869
Net Change
+851
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27053
5K → 10K48337-289#27053#27342
10K → 15K62147-85#27342#27427
15K → 20K9357-348#27427#27775
20K → Half414+37#27775#27738
Half → 25K4200+420#27738#27318
25K → 30K3042+302#27318#27016
30K → 20M1351+134#27016#26882
20M → 21M1392+137#26882#26745
21M → 35K1390+139#26745#26606
35K → 23M1511+150#26606#26456
23M → 24M742+72#26456#26384
24M → 40K1062+104#26384#26280
40K → 25.2M510+51#26280#26229
25.2M → Finish4114+27#26229#26202
TOTALS1720869+851
📊

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