Boston Marathon logo
BOSTON MARATHON 2024

Dia Dufault

Bib: 29930•F

CA

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
10:48/mi
33:32
↑ 97↓ 3451.5%
10K· 6.21 mi
10:38/mi
1:06:34
↑ 79↓ 1380.4%
15K· 9.32 mi
10:45/mi
1:39:57
↑ 67↓ 78
20K· 12.43 mi
11:02/mi
2:14:15
↑ 106↓ 860.1%
Half· 13.11 mi
10:55/mi
2:21:42
↑ 19↓ 370.5%
25K· 15.53 mi
12:22/mi
2:51:40
↑ 66↓ 880.2%
30K· 18.64 mi
12:07/mi
3:29:18
↑ 181↓ 1480.2%
20M
11:41/mi
3:45:11
↑ 64↓ 500.2%
21M
12:47/mi
3:57:58
↑ 106↓ 241.6%
35K· 21.75 mi
11:34/mi
4:06:37
↑ 17↓ 861.7%
23M
11:40/mi
4:21:14
↑ 23↓ 630.6%
24M
10:56/mi
4:32:10
↓ 821.3%
40K· 24.85 mi
11:14/mi
4:41:46
↓ 200.3%
25.2M
13:06/mi
4:46:17
↑ 13↓ 160.2%
Finish· 26.22 mi
10:40/mi
4:57:09
↑ 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
Time2:21:42
Pace10:49 /mi
2nd Half
Distance13.11 mi
Time2:35:27
Pace11:51 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:00:1133:3210:4833:32
10:48
-
10K
6.21 mi12:33:131:06:3410:4333:02
10:38
-0:10
15K
9.32 mi13:06:361:39:5710:4333:23
10:45
+0:07
20K
12.43 mi13:40:542:14:1510:4834:18
11:02
+0:17
Half
13.11 mi13:48:212:21:4210:497:27
10:55
-0:07
25K
15.53 mi14:18:192:51:4011:0329:58
12:22
+1:27
30K
18.64 mi14:55:573:29:1811:1437:38
12:07
-0:15
20M
20.00 mi15:11:503:45:1111:1615:53
11:41
-0:26
21M
21.00 mi15:24:373:57:5811:2012:47
12:47
+1:06
35K
21.75 mi15:33:164:06:3711:208:39
11:34
-1:13
23M
23.00 mi15:47:534:21:1411:2114:37
11:40
+0:06
24M
24.00 mi15:58:494:32:1011:2010:56
10:56
-0:44
40K
24.85 mi16:08:254:41:4611:209:36
11:14
+0:18
25.2M
25.20 mi16:12:564:46:1711:224:31
13:06
+1:52
Finish
26.22 mi16:23:484:57:0911:2010:52
10:40
-2:26

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

10:38 /mi

Average Pace

11:20 /mi

Slowest Pace

13:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:49

37% of race

Time at Steady Pace

1:10:56

24% of race

Time at Slower Pace

1:55:24

39% of race

Average Pace: 11:20 /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 mi12:00:1133:3210:4833:32
10:48
#24593
10K
6.21 mi12:33:131:06:3410:4333:02
10:38
#24173
15K
9.32 mi13:06:361:39:5710:4333:23
10:45
#23884
20K
12.43 mi13:40:542:14:1510:4834:18
11:02
#23604
Half
13.11 mi13:48:212:21:4210:497:27
10:55
#23593
25K
15.53 mi14:18:192:51:4011:0329:58
12:22
#23630
30K
18.64 mi14:55:573:29:1811:1437:38
12:07
#23373
20M
20.00 mi15:11:503:45:1111:1615:53
11:41
#23196
21M
21.00 mi15:24:373:57:5811:2012:47
12:47
#23068
35K
21.75 mi15:33:164:06:3711:208:39
11:34
#22994
23M
23.00 mi15:47:534:21:1411:2114:37
11:40
#22872
24M
24.00 mi15:58:494:32:1011:2010:56
10:56
#22739
40K
24.85 mi16:08:254:41:4611:209:36
11:14
#22626
25.2M
25.20 mi16:12:564:46:1711:224:31
13:06
#22594
Finish
26.22 mi16:23:484:57:0911:2010:52
10:40
#22548
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi24593102981029823362(Top 91%)9617(Top 88%)9617(Top 596%)
10K6.21 mi3.10 mi24173+42010053+24510053+24523740(Top 93%)9820(Top 90%)9820(Top 609%)
15K9.32 mi3.11 mi23884+2899891+1629891+16223362(Top 91%)9617(Top 88%)9617(Top 596%)
20K12.43 mi3.11 mi23604+2809749+1429749+14222692(Top 89%)9285(Top 85%)9285(Top 576%)
Half13.11 mi0.68 mi23593+119743+69743+623407(Top 92%)9722(Top 89%)9722(Top 603%)
25K15.53 mi2.42 mi23630-379786-439786-4323588(Top 92%)9857(Top 90%)9857(Top 611%)
30K18.64 mi3.11 mi23373+2579691+959691+9522152(Top 87%)9225(Top 84%)9225(Top 572%)
20M20.00 mi1.36 mi23196+1779632+599632+5920805(Top 81%)8651(Top 79%)8651(Top 536%)
21M21.00 mi1.00 mi23068+1289573+599573+5920377(Top 80%)8519(Top 78%)8519(Top 528%)
35K21.75 mi0.75 mi22994+749549+249549+2421004(Top 82%)8839(Top 81%)8839(Top 548%)
23M23.00 mi1.25 mi22872+1229496+539496+5320080(Top 79%)8443(Top 77%)8443(Top 523%)
24M24.00 mi1.00 mi22739+1339434+629434+6219079(Top 75%)8001(Top 73%)8001(Top 496%)
40K24.85 mi0.85 mi22626+1139387+479387+4718697(Top 73%)7859(Top 72%)7859(Top 487%)
25.2M25.20 mi0.35 mi22594+329377+109377+1019940(Top 78%)8492(Top 78%)8492(Top 526%)
Finish26.22 mi1.02 mi22548+469368+99368+920478(Top 80%)8717(Top 80%)8717(Top 540%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

23362

Females

9617

F40-44

9617

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

23740

Females

9820

F40-44

9820

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

23362

Females

9617

F40-44

9617

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

22692

Females

9285

F40-44

9285

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

23407

Females

9722

F40-44

9722

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

23588

Females

9857

F40-44

9857

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

22152

Females

9225

F40-44

9225

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

20805

Females

8651

F40-44

8651

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

20377

Females

8519

F40-44

8519

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

21004

Females

8839

F40-44

8839

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

20080

Females

8443

F40-44

8443

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

19079

Females

8001

F40-44

8001

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

18697

Females

7859

F40-44

7859

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

19940

Females

8492

F40-44

8492

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

20478

Females

8717

F40-44

8717

Passing Analysis

Category:
Athletes Passed
2341
Passed By
296
Net Change
+2045
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24593
5K → 10K44727+420#24593#24173
10K → 15K31728+289#24173#23884
15K → 20K30020+280#23884#23604
20K → Half2817+11#23604#23593
Half → 25K95132-37#23593#23630
25K → 30K28124+257#23630#23373
30K → 20M1803+177#23373#23196
20M → 21M1357+128#23196#23068
21M → 35K795+74#23068#22994
35K → 23M1220+122#22994#22872
23M → 24M1330+133#22872#22739
24M → 40K1152+113#22739#22626
40K → 25.2M397+32#22626#22594
25.2M → Finish7024+46#22594#22548
TOTALS2341296+2045
📊

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