Boston Marathon logo
BOSTON MARATHON 2024

Joanna Dozier

Bib: 26947•F

NC

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Division (F18-39)
#0 / 4660
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:52
Rank: #19947
Start → 5K
8:58/mi
27:52 split
10K· 6.21 mi
54:34
Rank: #18996 (+951)
5K → 10K
8:36/mi
26:42 split
15K· 9.32 mi
1:22:11
Rank: #18785 (+211)
10K → 15K
8:53/mi
27:37 split
20K· 12.43 mi
1:50:45
Rank: #18550 (+235)
15K → 20K
9:12/mi
28:34 split
Half· 13.11 mi
1:57:01
Rank: #18575 (-25)
20K → Half
9:11/mi
6:16 split
25K· 15.53 mi
2:19:45
Rank: #18282 (+293)
Half → 25K
9:23/mi
22:44 split
30K· 18.64 mi
2:50:27
Rank: #18020 (+262)
25K → 30K
9:53/mi
30:42 split
20M
3:04:17
Rank: #17953 (+67)
30K → 20M
10:11/mi
13:50 split
21M
3:14:40
Rank: #17743 (+210)
20M → 21M
10:23/mi
10:23 split
35K· 21.75 mi
3:21:52
Rank: #17661 (+82)
21M → 35K
9:37/mi
7:12 split
23M
3:34:36
Rank: #17549 (+112)
35K → 23M
10:10/mi
12:44 split
24M
3:44:29
Rank: #17477 (+72)
23M → 24M
9:53/mi
9:53 split
40K· 24.85 mi
3:52:45
Rank: #17311 (+166)
24M → 40K
9:40/mi
8:16 split
25.2M
3:56:15
Rank: #17206 (+105)
40K → 25.2M
10:09/mi
3:30 split
Finish· 26.22 mi
4:04:45
Rank: #16966 (+240)
25.2M → Finish
8:20/mi
8:30 split

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
Time1:57:01
Pace8:56 /mi
2nd Half
Distance13.11 mi
Time2:07:44
Pace9:45 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:3827:528:5827:52
8:58
-
10K
6.21 mi12:13:2054:348:4726:42
8:36
-0:22
15K
9.32 mi12:40:571:22:118:4927:37
8:53
+0:17
20K
12.43 mi13:09:311:50:458:5528:34
9:12
+0:19
Half
13.11 mi13:15:471:57:018:566:16
9:11
-0:01
25K
15.53 mi13:38:312:19:459:0022:44
9:23
+0:12
30K
18.64 mi14:09:132:50:279:0930:42
9:53
+0:30
20M
20.00 mi14:23:033:04:179:1313:50
10:11
+0:18
21M
21.00 mi14:33:263:14:409:1610:23
10:23
+0:12
35K
21.75 mi14:40:383:21:529:177:12
9:37
-0:46
23M
23.00 mi14:53:223:34:369:2012:44
10:10
+0:33
24M
24.00 mi15:03:153:44:299:219:53
9:53
-0:17
40K
24.85 mi15:11:313:52:459:228:16
9:40
-0:13
25.2M
25.20 mi15:15:013:56:159:233:30
10:09
+0:29
Finish
26.22 mi15:23:314:04:459:208:30
8:20
-1:49

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

8:20 /mi

Average Pace

9:20 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:31

51% of race

Time at Steady Pace

1:18:47

32% of race

Time at Slower Pace

40:27

17% of race

Average Pace: 9:20 /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 mi11:46:3827:528:5827:52
8:58
#19947
10K
6.21 mi12:13:2054:348:4726:42
8:36
#18996
15K
9.32 mi12:40:571:22:118:4927:37
8:53
#18785
20K
12.43 mi13:09:311:50:458:5528:34
9:12
#18550
Half
13.11 mi13:15:471:57:018:566:16
9:11
#18575
25K
15.53 mi13:38:312:19:459:0022:44
9:23
#18282
30K
18.64 mi14:09:132:50:279:0930:42
9:53
#18020
20M
20.00 mi14:23:033:04:179:1313:50
10:11
#17953
21M
21.00 mi14:33:263:14:409:1610:23
10:23
#17743
35K
21.75 mi14:40:383:21:529:177:12
9:37
#17661
23M
23.00 mi14:53:223:34:369:2012:44
10:10
#17549
24M
24.00 mi15:03:153:44:299:219:53
9:53
#17477
40K
24.85 mi15:11:313:52:459:228:16
9:40
#17311
25.2M
25.20 mi15:15:013:56:159:233:30
10:09
#17206
Finish
26.22 mi15:23:314:04:459:208:30
8:20
#16966
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi199477851785118390(Top 72%)6914(Top 63%)6914(Top 148%)
10K6.21 mi3.10 mi18996+9517329+5227329+52217825(Top 70%)6624(Top 61%)6624(Top 142%)
15K9.32 mi3.11 mi18785+2117188+1417188+14118390(Top 72%)6914(Top 63%)6914(Top 148%)
20K12.43 mi3.11 mi18550+2357038+1507038+15018173(Top 71%)6793(Top 62%)6793(Top 146%)
Half13.11 mi0.68 mi18575-257059-217059-2119029(Top 74%)7346(Top 67%)7346(Top 158%)
25K15.53 mi2.42 mi18282+2936927+1326927+13217114(Top 67%)6340(Top 58%)6340(Top 136%)
30K18.64 mi3.11 mi18020+2626839+886839+8816940(Top 66%)6480(Top 59%)6480(Top 139%)
20M20.00 mi1.36 mi17953+676837+26837+217064(Top 67%)6748(Top 62%)6748(Top 145%)
21M21.00 mi1.00 mi17743+2106752+856752+8514480(Top 57%)5563(Top 51%)5563(Top 119%)
35K21.75 mi0.75 mi17661+826718+346718+3415958(Top 62%)6333(Top 58%)6333(Top 136%)
23M23.00 mi1.25 mi17549+1126677+416677+4116034(Top 63%)6416(Top 59%)6416(Top 138%)
24M24.00 mi1.00 mi17477+726660+176660+1715926(Top 62%)6407(Top 59%)6407(Top 137%)
40K24.85 mi0.85 mi17311+1666600+606600+6013804(Top 54%)5440(Top 50%)5440(Top 117%)
25.2M25.20 mi0.35 mi17206+1056554+466554+4611617(Top 45%)4421(Top 40%)4421(Top 95%)
Finish26.22 mi1.02 mi16966+2406458+966458+9610654(Top 42%)3829(Top 35%)3829(Top 82%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

18390

Females

6914

F18-39

6914

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

17825

Females

6624

F18-39

6624

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

18390

Females

6914

F18-39

6914

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

18173

Females

6793

F18-39

6793

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

19029

Females

7346

F18-39

7346

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

17114

Females

6340

F18-39

6340

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

16940

Females

6480

F18-39

6480

30K→20M

18.6 - 20.0 mi

Top 67%
×5story building
+64ft-50ft

Overall

17064

Females

6748

F18-39

6748

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

14480

Females

5563

F18-39

5563

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

15958

Females

6333

F18-39

6333

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

16034

Females

6416

F18-39

6416

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

15926

Females

6407

F18-39

6407

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

13804

Females

5440

F18-39

5440

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11617

Females

4421

F18-39

4421

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2story building
+22ft-21ft

Overall

10654

Females

3829

F18-39

3829

Passing Analysis

Category:
Athletes Passed
3715
Passed By
734
Net Change
+2981
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19947
5K → 10K98433+951#19947#18996
10K → 15K319108+211#18996#18785
15K → 20K367132+235#18785#18550
20K → Half3762-25#18550#18575
Half → 25K36471+293#18575#18282
25K → 30K380118+262#18282#18020
30K → 20M14881+67#18020#17953
20M → 21M22717+210#17953#17743
21M → 35K11028+82#17743#17661
35K → 23M15442+112#17661#17549
23M → 24M10533+72#17549#17477
24M → 40K1726+166#17477#17311
40K → 25.2M1050+105#17311#17206
25.2M → Finish2433+240#17206#16966
TOTALS3715734+2981
📊

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing