Boston Marathon logo
BOSTON MARATHON 2024

Allison O'Neill

Bib: 24157•F

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F40-44)
#0 / 1613
Race Day Weather
55°/45°F
scattered 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
11:25/mi
35:27
↑ 97↓ 3451.5%
10K· 6.21 mi
12:04/mi
1:12:56
↑ 79↓ 1380.4%
15K· 9.32 mi
12:22/mi
1:51:21
↑ 67↓ 78
20K· 12.43 mi
12:05/mi
2:28:54
↑ 106↓ 860.1%
Half· 13.11 mi
12:08/mi
2:37:11
↑ 19↓ 370.5%
25K· 15.53 mi
12:26/mi
3:07:20
↑ 66↓ 880.2%
30K· 18.64 mi
13:11/mi
3:48:19
↑ 181↓ 1480.2%
20M
12:49/mi
4:05:44
↑ 64↓ 500.2%
21M
13:36/mi
4:19:20
↑ 106↓ 241.6%
35K· 21.75 mi
13:34/mi
4:29:29
↑ 17↓ 861.7%
23M
14:33/mi
4:47:42
↑ 23↓ 630.6%
24M
14:09/mi
5:01:51
↓ 821.3%
40K· 24.85 mi
13:38/mi
5:13:30
↓ 200.3%
25.2M
15:57/mi
5:19:00
↑ 13↓ 160.2%
Finish· 26.22 mi
11:03/mi
5:30:16
↑ 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
Time2:37:11
Pace11:59 /mi
2nd Half
Distance13.11 mi
Time2:53:05
Pace13:12 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:5435:2711:2535:27
11:25
-
10K
6.21 mi12:29:231:12:5611:4437:29
12:04
+0:39
15K
9.32 mi13:07:481:51:2111:5738:25
12:22
+0:18
20K
12.43 mi13:45:212:28:5411:5937:33
12:05
-0:17
Half
13.11 mi13:53:382:37:1111:598:17
12:08
+0:03
25K
15.53 mi14:23:473:07:2012:0430:09
12:26
+0:18
30K
18.64 mi15:04:463:48:1912:1540:59
13:11
+0:45
20M
20.00 mi15:22:114:05:4412:1717:25
12:49
-0:22
21M
21.00 mi15:35:474:19:2012:2113:36
13:36
+0:47
35K
21.75 mi15:45:564:29:2912:2310:09
13:34
-0:02
23M
23.00 mi16:04:094:47:4212:3118:13
14:33
+0:59
24M
24.00 mi16:18:185:01:5112:3514:09
14:09
-0:24
40K
24.85 mi16:29:575:13:3012:3711:39
13:38
-0:31
25.2M
25.20 mi16:35:275:19:0012:405:30
15:57
+2:19
Finish
26.22 mi16:46:435:30:1612:3611:16
11:03
-4:54

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

11:03 /mi

Average Pace

12:36 /mi

Slowest Pace

15:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:02

39% of race

Time at Steady Pace

2:06:58

38% of race

Time at Slower Pace

1:13:16

22% of race

Average Pace: 12:36 /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 mi11:51:5435:2711:2535:27
11:25
#25165
10K
6.21 mi12:29:231:12:5611:4437:29
12:04
#25191
15K
9.32 mi13:07:481:51:2111:5738:25
12:22
#25137
20K
12.43 mi13:45:212:28:5411:5937:33
12:05
#24956
Half
13.11 mi13:53:382:37:1111:598:17
12:08
#24946
25K
15.53 mi14:23:473:07:2012:0430:09
12:26
#24774
30K
18.64 mi15:04:463:48:1912:1540:59
13:11
#24579
20M
20.00 mi15:22:114:05:4412:1717:25
12:49
#24444
21M
21.00 mi15:35:474:19:2012:2113:36
13:36
#24343
35K
21.75 mi15:45:564:29:2912:2310:09
13:34
#24352
23M
23.00 mi16:04:094:47:4212:3118:13
14:33
#24380
24M
24.00 mi16:18:185:01:5112:3514:09
14:09
#24401
40K
24.85 mi16:29:575:13:3012:3711:39
13:38
#24371
25.2M
25.20 mi16:35:275:19:0012:405:30
15:57
#24378
Finish
26.22 mi16:46:435:30:1612:3611:16
11:03
#24319
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi25165106711067124992(Top 98%)10577(Top 97%)10577(Top 656%)
10K6.21 mi3.10 mi25191-2610688-1710688-1725138(Top 98%)10650(Top 97%)10650(Top 660%)
15K9.32 mi3.11 mi25137+5410651+3710651+3724992(Top 98%)10577(Top 97%)10577(Top 656%)
20K12.43 mi3.11 mi24956+18110536+11510536+11524083(Top 94%)10053(Top 92%)10053(Top 623%)
Half13.11 mi0.68 mi24946+1010537-110537-124689(Top 97%)10445(Top 96%)10445(Top 648%)
25K15.53 mi2.42 mi24774+17210443+9410443+9423667(Top 93%)9896(Top 91%)9896(Top 614%)
30K18.64 mi3.11 mi24579+19510340+10310340+10323514(Top 92%)9913(Top 91%)9913(Top 615%)
20M20.00 mi1.36 mi24444+13510277+6310277+6322636(Top 89%)9575(Top 88%)9575(Top 594%)
21M21.00 mi1.00 mi24343+10110223+5410223+5421767(Top 85%)9189(Top 84%)9189(Top 570%)
35K21.75 mi0.75 mi24352-910234-1110234-1123906(Top 94%)10257(Top 94%)10257(Top 636%)
23M23.00 mi1.25 mi24380-2810258-2410258-2424315(Top 95%)10441(Top 96%)10441(Top 647%)
24M24.00 mi1.00 mi24401-2110279-2110279-2124303(Top 95%)10491(Top 96%)10491(Top 650%)
40K24.85 mi0.85 mi24371+3010274+510274+523179(Top 91%)10014(Top 92%)10014(Top 621%)
25.2M25.20 mi0.35 mi24378-710282-810282-824024(Top 94%)10379(Top 95%)10379(Top 643%)
Finish26.22 mi1.02 mi24319+5910260+2210260+2221489(Top 84%)9213(Top 84%)9213(Top 571%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21story building
+97ft-345ft

Overall

24992

Females

10577

F40-44

10577

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

25138

Females

10650

F40-44

10650

10K→15K

6.2 - 9.3 mi

Top 98%
×3story building
+67ft-78ft

Overall

24992

Females

10577

F40-44

10577

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

24083

Females

10053

F40-44

10053

20K→Half

12.4 - 13.1 mi

Top 97%
×2story building
+19ft-37ft

Overall

24689

Females

10445

F40-44

10445

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

23667

Females

9896

F40-44

9896

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

23514

Females

9913

F40-44

9913

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

22636

Females

9575

F40-44

9575

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

21767

Females

9189

F40-44

9189

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

23906

Females

10257

F40-44

10257

35K→23M

21.8 - 23.0 mi

Top 95%
×5story building
+23ft-63ft

Overall

24315

Females

10441

F40-44

10441

23M→24M

23.0 - 24.0 mi

Top 95%
×6story building
+12ft-82ft

Overall

24303

Females

10491

F40-44

10491

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

23179

Females

10014

F40-44

10014

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

24024

Females

10379

F40-44

10379

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

21489

Females

9213

F40-44

9213

Passing Analysis

Category:
Athletes Passed
1157
Passed By
311
Net Change
+846
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25165
5K → 10K5177-26#25165#25191
10K → 15K8329+54#25191#25137
15K → 20K1821+181#25137#24956
20K → Half166+10#24956#24946
Half → 25K1786+172#24946#24774
25K → 30K20813+195#24774#24579
30K → 20M1438+135#24579#24444
20M → 21M1043+101#24444#24343
21M → 35K1928-9#24343#24352
35K → 23M3058-28#24352#24380
23M → 24M2142-21#24380#24401
24M → 40K4313+30#24401#24371
40K → 25.2M1017-7#24371#24378
25.2M → Finish6910+59#24378#24319
TOTALS1157311+846
📊

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