Boston Marathon logo
BOSTON MARATHON 2024

Myfanwy Collins

Bib: 22939•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 (F55-59)
#0 / 876
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:11
Rank: #19069
Start → 5K
27:11 | 8:45/mi
10K· 6.21 mi
54:44
Rank: #19097 (-28)
5K → 10K
27:33 | 8:52/mi
15K· 9.32 mi
1:22:44
Rank: #19036 (+61)
10K → 15K
28:00 | 9:01/mi
20K· 12.43 mi
1:51:43
Rank: #18902 (+134)
15K → 20K
28:59 | 9:20/mi
Half· 13.11 mi
1:58:03
Rank: #18937 (-35)
20K → Half
6:20 | 9:17/mi
25K· 15.53 mi
2:22:05
Rank: #18940 (-3)
Half → 25K
24:02 | 9:55/mi
30K· 18.64 mi
2:55:56
Rank: #19160 (-220)
25K → 30K
33:51 | 10:54/mi
20M
3:10:41
Rank: #19129 (+31)
30K → 20M
14:45 | 10:51/mi
21M
3:23:43
Rank: #19246 (-117)
20M → 21M
13:02 | 13:02/mi
35K· 21.75 mi
3:33:31
Rank: #19477 (-231)
21M → 35K
9:48 | 13:06/mi
23M
3:49:11
Rank: #19619 (-142)
35K → 23M
15:40 | 12:31/mi
24M
4:01:26
Rank: #19745 (-126)
23M → 24M
12:15 | 12:15/mi
40K· 24.85 mi
4:12:38
Rank: #19884 (-139)
24M → 40K
11:12 | 13:06/mi
25.2M
4:17:46
Rank: #19950 (-66)
40K → 25.2M
5:08 | 14:53/mi
Finish· 26.22 mi
4:29:23
Rank: #20038 (-88)
25.2M → Finish
11:37 | 11:24/mi

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
Time1:58:03
Pace9:00 /mi
2nd Half
Distance13.11 mi
Time2:31:20
Pace11:33 /mi
📊Positive Split: 28.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:0827:118:4527:11
8:45
-
10K
6.21 mi11:52:4154:448:4927:33
8:52
+0:07
15K
9.32 mi12:20:411:22:448:5328:00
9:01
+0:09
20K
12.43 mi12:49:401:51:438:5928:59
9:20
+0:19
Half
13.11 mi12:56:001:58:039:006:20
9:17
-0:03
25K
15.53 mi13:20:022:22:059:0924:02
9:55
+0:38
30K
18.64 mi13:53:532:55:569:2633:51
10:54
+0:59
20M
20.00 mi14:08:383:10:419:3214:45
10:51
-0:03
21M
21.00 mi14:21:403:23:439:4213:02
13:02
+2:11
35K
21.75 mi14:31:283:33:319:499:48
13:06
+0:04
23M
23.00 mi14:47:083:49:119:5815:40
12:31
-0:35
24M
24.00 mi14:59:234:01:2610:0412:15
12:15
-0:16
40K
24.85 mi15:10:354:12:3810:1011:12
13:06
+0:51
25.2M
25.20 mi15:15:434:17:4610:145:08
14:53
+1:47
Finish
26.22 mi15:27:204:29:2310:1711:37
11:24
-3:29

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

8:45 /mi

Average Pace

10:17 /mi

Slowest Pace

14:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:05

53% of race

Time at Steady Pace

1:00:13

22% of race

Time at Slower Pace

1:07:05

25% of race

Average Pace: 10:16 /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 mi11:25:0827:118:4527:11
8:45
#19069
10K
6.21 mi11:52:4154:448:4927:33
8:52
#19097
15K
9.32 mi12:20:411:22:448:5328:00
9:01
#19036
20K
12.43 mi12:49:401:51:438:5928:59
9:20
#18902
Half
13.11 mi12:56:001:58:039:006:20
9:17
#18937
25K
15.53 mi13:20:022:22:059:0924:02
9:55
#18940
30K
18.64 mi13:53:532:55:569:2633:51
10:54
#19160
20M
20.00 mi14:08:383:10:419:3214:45
10:51
#19129
21M
21.00 mi14:21:403:23:439:4213:02
13:02
#19246
35K
21.75 mi14:31:283:33:319:499:48
13:06
#19477
23M
23.00 mi14:47:083:49:119:5815:40
12:31
#19619
24M
24.00 mi14:59:234:01:2610:0412:15
12:15
#19745
40K
24.85 mi15:10:354:12:3810:1011:12
13:06
#19884
25.2M
25.20 mi15:15:434:17:4610:145:08
14:53
#19950
Finish
26.22 mi15:27:204:29:2310:1711:37
11:24
#20038
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi190697399739918983(Top 74%)7241(Top 66%)7241(Top 827%)
10K6.21 mi3.10 mi19097-287382+177382+1719191(Top 75%)7397(Top 68%)7397(Top 844%)
15K9.32 mi3.11 mi19036+617320+627320+6218983(Top 74%)7241(Top 66%)7241(Top 827%)
20K12.43 mi3.11 mi18902+1347230+907230+9018645(Top 73%)7077(Top 65%)7077(Top 808%)
Half13.11 mi0.68 mi18937-357264-347264-3419395(Top 76%)7552(Top 69%)7552(Top 862%)
25K15.53 mi2.42 mi18940-37277-137277-1318884(Top 74%)7315(Top 67%)7315(Top 835%)
30K18.64 mi3.11 mi19160-2207458-1817458-18119747(Top 77%)7980(Top 73%)7980(Top 911%)
20M20.00 mi1.36 mi19129+317479-217479-2118938(Top 74%)7684(Top 70%)7684(Top 877%)
21M21.00 mi1.00 mi19246-1177555-767555-7620798(Top 81%)8702(Top 80%)8702(Top 993%)
35K21.75 mi0.75 mi19477-2317700-1457700-14523347(Top 91%)9987(Top 91%)9987(Top 1140%)
23M23.00 mi1.25 mi19619-1427798-987798-9821731(Top 85%)9234(Top 85%)9234(Top 1054%)
24M24.00 mi1.00 mi19745-1267873-757873-7521921(Top 86%)9397(Top 86%)9397(Top 1073%)
40K24.85 mi0.85 mi19884-1397960-877960-8722427(Top 88%)9662(Top 88%)9662(Top 1103%)
25.2M25.20 mi0.35 mi19950-668005-458005-4522898(Top 90%)9880(Top 90%)9880(Top 1128%)
Finish26.22 mi1.02 mi20038-888070-658070-6522229(Top 87%)9555(Top 87%)9555(Top 1091%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

18983

Females

7241

F55-59

7241

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

19191

Females

7397

F55-59

7397

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

18983

Females

7241

F55-59

7241

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

18645

Females

7077

F55-59

7077

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

19395

Females

7552

F55-59

7552

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

18884

Females

7315

F55-59

7315

25K→30K

15.5 - 18.6 mi

Top 77%
×9stories
+181ft-148ft

Overall

19747

Females

7980

F55-59

7980

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

18938

Females

7684

F55-59

7684

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

20798

Females

8702

F55-59

8702

21M→35K

21.0 - 21.8 mi

Top 91%
×7stories
+17ft-86ft

Overall

23347

Females

9987

F55-59

9987

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

21731

Females

9234

F55-59

9234

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

21921

Females

9397

F55-59

9397

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

22427

Females

9662

F55-59

9662

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

22898

Females

9880

F55-59

9880

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

22229

Females

9555

F55-59

9555

Passing Analysis

Category:
Athletes Passed
1523
Passed By
2492
Net Change
-969
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19069
5K → 10K250278-28#19069#19097
10K → 15K247186+61#19097#19036
15K → 20K318184+134#19036#18902
20K → Half3267-35#18902#18937
Half → 25K186189-3#18937#18940
25K → 30K152372-220#18940#19160
30K → 20M11584+31#19160#19129
20M → 21M50167-117#19129#19246
21M → 35K21252-231#19246#19477
35K → 23M47189-142#19477#19619
23M → 24M33159-126#19619#19745
24M → 40K28167-139#19745#19884
40K → 25.2M1783-66#19884#19950
25.2M → Finish27115-88#19950#20038
TOTALS15232492-969
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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