Boston Marathon logo
BOSTON MARATHON 2024

Rebecca Tracy

Bib: 5295•F

MO

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 21%
Gender (Female)
#0 / 10924
Top 7%
Division (F18-39)
#0 / 4660
Top 13%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:11
Rank: #3315
Start → 5K
20:11 | 6:30/mi
10K· 6.21 mi
40:15
Rank: #3022 (+293)
5K → 10K
20:04 | 6:28/mi
15K· 9.32 mi
1:00:57
Rank: #3209 (-187)
10K → 15K
20:42 | 6:40/mi
20K· 12.43 mi
1:23:24
Rank: #4043 (-834)
15K → 20K
22:27 | 7:14/mi
Half· 13.11 mi
1:28:17
Rank: #4197 (-154)
20K → Half
4:53 | 7:09/mi
25K· 15.53 mi
1:46:47
Rank: #4925 (-728)
Half → 25K
18:30 | 7:38/mi
30K· 18.64 mi
2:11:15
Rank: #5249 (-324)
25K → 30K
24:28 | 7:53/mi
20M
2:21:53
Rank: #5219 (+30)
30K → 20M
10:38 | 7:49/mi
21M
2:30:46
Rank: #5285 (-66)
20M → 21M
8:53 | 8:53/mi
35K· 21.75 mi
2:37:04
Rank: #5389 (-104)
21M → 35K
6:18 | 8:25/mi
23M
2:47:21
Rank: #5376 (+13)
35K → 23M
10:17 | 8:13/mi
24M
2:55:32
Rank: #5401 (-25)
23M → 24M
8:11 | 8:11/mi
40K· 24.85 mi
3:02:38
Rank: #5402 (-1)
24M → 40K
7:06 | 8:18/mi
25.2M
3:05:43
Rank: #5395 (+7)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:13:39
Rank: #5387 (+8)
25.2M → Finish
7:56 | 7:47/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
Time1:28:17
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:45:22
Pace8:02 /mi
📊Positive Split: 19.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:4820:116:3020:11
6:30
-
10K
6.21 mi10:44:5240:156:2920:04
6:28
-0:02
15K
9.32 mi11:05:341:00:576:3220:42
6:40
+0:12
20K
12.43 mi11:28:011:23:246:4322:27
7:14
+0:34
Half
13.11 mi11:32:541:28:176:444:53
7:09
-0:05
25K
15.53 mi11:51:241:46:476:5218:30
7:38
+0:29
30K
18.64 mi12:15:522:11:157:0224:28
7:53
+0:15
20M
20.00 mi12:26:302:21:537:0610:38
7:49
-0:04
21M
21.00 mi12:35:232:30:467:118:53
8:53
+1:04
35K
21.75 mi12:41:412:37:047:136:18
8:25
-0:28
23M
23.00 mi12:51:582:47:217:1710:17
8:13
-0:12
24M
24.00 mi13:00:092:55:327:198:11
8:11
-0:02
40K
24.85 mi13:07:153:02:387:217:06
8:18
+0:07
25.2M
25.20 mi13:10:203:05:437:223:05
8:56
+0:38
Finish
26.22 mi13:18:163:13:397:237:56
7:47
-1:09

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

6:28 /mi

Average Pace

7:23 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:17

46% of race

Time at Steady Pace

1:09:43

36% of race

Time at Slower Pace

35:39

18% of race

Average Pace: 7:23 /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 mi10:24:4820:116:3020:11
6:30
#3315
10K
6.21 mi10:44:5240:156:2920:04
6:28
#3022
15K
9.32 mi11:05:341:00:576:3220:42
6:40
#3209
20K
12.43 mi11:28:011:23:246:4322:27
7:14
#4043
Half
13.11 mi11:32:541:28:176:444:53
7:09
#4197
25K
15.53 mi11:51:241:46:476:5218:30
7:38
#4925
30K
18.64 mi12:15:522:11:157:0224:28
7:53
#5249
20M
20.00 mi12:26:302:21:537:0610:38
7:49
#5219
21M
21.00 mi12:35:232:30:467:118:53
8:53
#5285
35K
21.75 mi12:41:412:37:047:136:18
8:25
#5389
23M
23.00 mi12:51:582:47:217:1710:17
8:13
#5376
24M
24.00 mi13:00:092:55:327:198:11
8:11
#5401
40K
24.85 mi13:07:153:02:387:217:06
8:18
#5402
25.2M
25.20 mi13:10:203:05:437:223:05
8:56
#5395
Finish
26.22 mi13:18:163:13:397:237:56
7:47
#5387
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi33151481483680(Top 14%)197(Top 2%)197(Top 4%)
10K6.21 mi3.10 mi3022+293129+19129+192765(Top 11%)113(Top 1%)113(Top 2%)
15K9.32 mi3.11 mi3209-187149-20149-203680(Top 14%)197(Top 2%)197(Top 4%)
20K12.43 mi3.11 mi4043-834229-80229-806550(Top 26%)851(Top 8%)851(Top 18%)
Half13.11 mi0.68 mi4197-154252-23252-236723(Top 26%)890(Top 8%)890(Top 19%)
25K15.53 mi2.42 mi4925-728382-130382-1307833(Top 31%)1485(Top 14%)1485(Top 32%)
30K18.64 mi3.11 mi5249-324490-108490-1087144(Top 28%)1411(Top 13%)1411(Top 30%)
20M20.00 mi1.36 mi5219+30508-18508-185834(Top 23%)1067(Top 10%)1067(Top 23%)
21M21.00 mi1.00 mi5285-66551-43551-438004(Top 31%)2168(Top 20%)2168(Top 47%)
35K21.75 mi0.75 mi5389-104603-52603-5210273(Top 40%)3357(Top 31%)3357(Top 72%)
23M23.00 mi1.25 mi5376+13637-34637-346881(Top 27%)1835(Top 17%)1835(Top 39%)
24M24.00 mi1.00 mi5401-25670-33670-337657(Top 30%)2309(Top 21%)2309(Top 50%)
40K24.85 mi0.85 mi5402-1696-26696-267367(Top 29%)2308(Top 21%)2308(Top 50%)
25.2M25.20 mi0.35 mi5395+7705-9705-96305(Top 25%)1836(Top 17%)1836(Top 39%)
Finish26.22 mi1.02 mi5387+8729-24729-247277(Top 28%)2232(Top 20%)2232(Top 48%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3680

Females

197

F18-39

197

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

2765

Females

113

F18-39

113

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3680

Females

197

F18-39

197

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

6550

Females

851

F18-39

851

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

6723

Females

890

F18-39

890

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

7833

Females

1485

F18-39

1485

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7144

Females

1411

F18-39

1411

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

5834

Females

1067

F18-39

1067

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8004

Females

2168

F18-39

2168

21M→35K

21.0 - 21.8 mi

Top 40%
×7stories
+17ft-86ft

Overall

10273

Females

3357

F18-39

3357

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

6881

Females

1835

F18-39

1835

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

7657

Females

2309

F18-39

2309

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7367

Females

2308

F18-39

2308

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6305

Females

1836

F18-39

1836

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7277

Females

2232

F18-39

2232

Passing Analysis

Category:
Athletes Passed
1120
Passed By
3192
Net Change
-2072
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3315
5K → 10K32330+293#3315#3022
10K → 15K50237-187#3022#3209
15K → 20K17851-834#3209#4043
20K → Half7161-154#4043#4197
Half → 25K38766-728#4197#4925
25K → 30K101425-324#4925#5249
30K → 20M10979+30#5249#5219
20M → 21M64130-66#5219#5285
21M → 35K38142-104#5285#5389
35K → 23M10693+13#5389#5376
23M → 24M6792-25#5376#5401
24M → 40K7879-1#5401#5402
40K → 25.2M4235+7#5402#5395
25.2M → Finish8072+8#5395#5387
TOTALS11203192-2072
📊

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