Boston Marathon logo
BOSTON MARATHON 2025

Joanne O'Connell

Bib: 29734•F

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F60-64)
#0 / 624
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
10:29/mi
32:35
↑ 97↓ 3451.5%
10K· 6.21 mi
10:46/mi
1:06:03
↑ 79↓ 1380.4%
15K· 9.32 mi
10:32/mi
1:38:47
↑ 67↓ 78
20K· 12.43 mi
10:58/mi
2:12:50
↑ 106↓ 860.1%
Half· 13.11 mi
10:48/mi
2:20:12
↑ 19↓ 370.5%
25K· 15.53 mi
12:17/mi
2:49:59
↑ 66↓ 880.2%
30K· 18.64 mi
12:17/mi
3:28:09
↑ 181↓ 1480.2%
20M
12:11/mi
3:44:42
↑ 64↓ 500.2%
21M
13:23/mi
3:58:05
↑ 106↓ 241.6%
35K· 21.75 mi
12:02/mi
4:07:05
↑ 17↓ 861.7%
23M
12:49/mi
4:23:08
↑ 23↓ 630.6%
24M
12:23/mi
4:35:31
↓ 821.3%
40K· 24.85 mi
13:13/mi
4:46:49
↓ 200.3%
25.2M
13:52/mi
4:51:36
↑ 13↓ 160.2%
Finish· 26.22 mi
11:42/mi
5:03:31
↑ 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
Time2:20:12
Pace10:42 /mi
2nd Half
Distance13.11 mi
Time2:43:19
Pace12:27 /mi
📊Positive Split: 16.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:4732:3510:2932:35
10:29
-
10K
6.21 mi12:24:151:06:0310:3833:28
10:46
+0:17
15K
9.32 mi12:56:591:38:4710:3632:44
10:32
-0:14
20K
12.43 mi13:31:022:12:5010:4134:03
10:58
+0:26
Half
13.11 mi13:38:242:20:1210:427:22
10:48
-0:10
25K
15.53 mi14:08:112:49:5910:5729:47
12:17
+1:29
30K
18.64 mi14:46:213:28:0911:1038:10
12:17
0:00
20M
20.00 mi15:02:543:44:4211:1416:33
12:11
-0:06
21M
21.00 mi15:16:173:58:0511:2013:23
13:23
+1:12
35K
21.75 mi15:25:174:07:0511:229:00
12:02
-1:21
23M
23.00 mi15:41:204:23:0811:2616:03
12:49
+0:47
24M
24.00 mi15:53:434:35:3111:2912:23
12:23
-0:26
40K
24.85 mi16:05:014:46:4911:3211:18
13:13
+0:50
25.2M
25.20 mi16:09:484:51:3611:344:47
13:52
+0:39
Finish
26.22 mi16:21:435:03:3111:3511:55
11:42
-2:10

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

10:29 /mi

Average Pace

11:35 /mi

Slowest Pace

13:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:12

46% of race

Time at Steady Pace

1:57:48

39% of race

Time at Slower Pace

45:31

15% of race

Average Pace: 11:35 /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 mi11:50:4732:3510:2932:35
10:29
#26713
10K
6.21 mi12:24:151:06:0310:3833:28
10:46
#26732
15K
9.32 mi12:56:591:38:4710:3632:44
10:32
#26455
20K
12.43 mi13:31:022:12:5010:4134:03
10:58
#26300
Half
13.11 mi13:38:242:20:1210:427:22
10:48
#26306
25K
15.53 mi14:08:112:49:5910:5729:47
12:17
#26408
30K
18.64 mi14:46:213:28:0911:1038:10
12:17
#26333
20M
20.00 mi15:02:543:44:4211:1416:33
12:11
#26270
21M
21.00 mi15:16:173:58:0511:2013:23
13:23
#26257
35K
21.75 mi15:25:174:07:0511:229:00
12:02
#26248
23M
23.00 mi15:41:204:23:0811:2616:03
12:49
#26251
24M
24.00 mi15:53:434:35:3111:2912:23
12:23
#26250
40K
24.85 mi16:05:014:46:4911:3211:18
13:13
#26272
25.2M
25.20 mi16:09:484:51:3611:344:47
13:52
#26277
Finish
26.22 mi16:21:435:03:3111:3511:55
11:42
#26305
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi26713111641116426005(Top 92%)10794(Top 88%)10794(Top 1730%)
10K6.21 mi3.10 mi26732-1911184-2011184-2026724(Top 94%)11184(Top 91%)11184(Top 1792%)
15K9.32 mi3.11 mi26455+27711027+15711027+15726005(Top 92%)10794(Top 88%)10794(Top 1730%)
20K12.43 mi3.11 mi26300+15510945+8210945+8225933(Top 91%)10773(Top 88%)10773(Top 1726%)
Half13.11 mi0.68 mi26306-610950-510950-526228(Top 92%)10958(Top 90%)10958(Top 1756%)
25K15.53 mi2.42 mi26408-10211020-7011020-7026731(Top 94%)11271(Top 92%)11271(Top 1806%)
30K18.64 mi3.11 mi26333+7511004+1611004+1625923(Top 91%)10903(Top 89%)10903(Top 1747%)
20M20.00 mi1.36 mi26270+6310985+1910985+1925507(Top 90%)10761(Top 88%)10761(Top 1725%)
21M21.00 mi1.00 mi26257+1310996-1110996-1125538(Top 90%)10828(Top 89%)10828(Top 1735%)
35K21.75 mi0.75 mi26248+910994+210994+225889(Top 91%)11047(Top 90%)11047(Top 1770%)
23M23.00 mi1.25 mi26251-311009-1511009-1526171(Top 92%)11182(Top 91%)11182(Top 1792%)
24M24.00 mi1.00 mi26250+111024-1511024-1526167(Top 92%)11206(Top 92%)11206(Top 1796%)
40K24.85 mi0.85 mi26272-2211042-1811042-1826499(Top 93%)11386(Top 93%)11386(Top 1825%)
25.2M25.20 mi0.35 mi26277-511043-111043-126106(Top 92%)11233(Top 92%)11233(Top 1800%)
Finish26.22 mi1.02 mi26305-2811061-1811061-1826403(Top 93%)11338(Top 93%)11338(Top 1817%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

26005

Females

10794

F60-64

10794

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

26724

Females

11184

F60-64

11184

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

26005

Females

10794

F60-64

10794

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

25933

Females

10773

F60-64

10773

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

26228

Females

10958

F60-64

10958

Half→25K

13.1 - 15.5 mi

Top 94%
×4story building
+66ft-88ft

Overall

26731

Females

11271

F60-64

11271

25K→30K

15.5 - 18.6 mi

Top 91%
×9story building
+181ft-148ft

Overall

25923

Females

10903

F60-64

10903

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

25507

Females

10761

F60-64

10761

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

25538

Females

10828

F60-64

10828

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

25889

Females

11047

F60-64

11047

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

26171

Females

11182

F60-64

11182

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

26167

Females

11206

F60-64

11206

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

26499

Females

11386

F60-64

11386

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

26106

Females

11233

F60-64

11233

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

26403

Females

11338

F60-64

11338

Passing Analysis

Category:
Athletes Passed
1138
Passed By
730
Net Change
+408
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26713
5K → 10K161180-19#26713#26732
10K → 15K29316+277#26732#26455
15K → 20K20651+155#26455#26300
20K → Half1622-6#26300#26306
Half → 25K55157-102#26306#26408
25K → 30K13459+75#26408#26333
30K → 20M8724+63#26333#26270
20M → 21M5239+13#26270#26257
21M → 35K3021+9#26257#26248
35K → 23M3336-3#26248#26251
23M → 24M2726+1#26251#26250
24M → 40K1638-22#26250#26272
40K → 25.2M1217-5#26272#26277
25.2M → Finish1644-28#26277#26305
TOTALS1138730+408
📊

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