Boston Marathon logo
BOSTON MARATHON 2024

Rebecca Roselles

Bib: 14174•F

SD

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 42%
Gender (Female)
#0 / 10924
Top 28%
Division (F18-39)
#0 / 4660
Top 44%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:47
Rank: #16644
Start → 5K
8:18/mi
25:47 split
10K· 6.21 mi
52:21
Rank: #17064 (-420)
5K → 10K
8:33/mi
26:34 split
15K· 9.32 mi
1:18:39
Rank: #16731 (+333)
10K → 15K
8:28/mi
26:18 split
20K· 12.43 mi
1:44:54
Rank: #16072 (+659)
15K → 20K
8:27/mi
26:15 split
Half· 13.11 mi
1:50:21
Rank: #15891 (+181)
20K → Half
7:59/mi
5:27 split
25K· 15.53 mi
2:10:32
Rank: #15221 (+670)
Half → 25K
8:19/mi
20:11 split
30K· 18.64 mi
2:36:00
Rank: #14017 (+1204)
25K → 30K
8:12/mi
25:28 split
20M
2:46:50
Rank: #13405 (+612)
30K → 20M
7:58/mi
10:50 split
21M
2:55:13
Rank: #12852 (+553)
20M → 21M
8:23/mi
8:23 split
35K· 21.75 mi
3:00:55
Rank: #12571 (+281)
21M → 35K
7:37/mi
5:42 split
23M
3:10:38
Rank: #12037 (+534)
35K → 23M
7:46/mi
9:43 split
24M
3:18:05
Rank: #11595 (+442)
23M → 24M
7:27/mi
7:27 split
40K· 24.85 mi
3:24:29
Rank: #11173 (+422)
24M → 40K
7:29/mi
6:24 split
25.2M
3:27:14
Rank: #10985 (+188)
40K → 25.2M
7:58/mi
2:45 split
Finish· 26.22 mi
3:34:25
Rank: #10627 (+358)
25.2M → Finish
7:03/mi
7:11 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 Half
Distance13.11 mi
Time1:50:21
Pace8:25 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:44:04
Pace7:56 /mi
📊Negative Split: 5.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:58:1425:478:1825:47
8:18
-
10K
6.21 mi11:24:4852:218:2526:34
8:33
+0:15
15K
9.32 mi11:51:061:18:398:2626:18
8:28
-0:05
20K
12.43 mi12:17:211:44:548:2626:15
8:27
-0:01
Half
13.11 mi12:22:481:50:218:255:27
7:59
-0:28
25K
15.53 mi12:42:592:10:328:2420:11
8:19
+0:20
30K
18.64 mi13:08:272:36:008:2225:28
8:12
-0:07
20M
20.00 mi13:19:172:46:508:2010:50
7:58
-0:14
21M
21.00 mi13:27:402:55:138:218:23
8:23
+0:25
35K
21.75 mi13:33:223:00:558:195:42
7:37
-0:46
23M
23.00 mi13:43:053:10:388:179:43
7:46
+0:09
24M
24.00 mi13:50:323:18:058:157:27
7:27
-0:19
40K
24.85 mi13:56:563:24:298:146:24
7:29
+0:02
25.2M
25.20 mi13:59:413:27:148:132:45
7:58
+0:29
Finish
26.22 mi14:06:523:34:258:117:11
7:03
-0:55

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

7:03 /mi

Average Pace

8:11 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

36:27

17% of race

Time at Steady Pace

19:02

9% of race

Time at Slower Pace

2:38:56

74% of race

Average Pace: 8:11 /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 mi10:58:1425:478:1825:47
8:18
#16644
10K
6.21 mi11:24:4852:218:2526:34
8:33
#17064
15K
9.32 mi11:51:061:18:398:2626:18
8:28
#16731
20K
12.43 mi12:17:211:44:548:2626:15
8:27
#16072
Half
13.11 mi12:22:481:50:218:255:27
7:59
#15891
25K
15.53 mi12:42:592:10:328:2420:11
8:19
#15221
30K
18.64 mi13:08:272:36:008:2225:28
8:12
#14017
20M
20.00 mi13:19:172:46:508:2010:50
7:58
#13405
21M
21.00 mi13:27:402:55:138:218:23
8:23
#12852
35K
21.75 mi13:33:223:00:558:195:42
7:37
#12571
23M
23.00 mi13:43:053:10:388:179:43
7:46
#12037
24M
24.00 mi13:50:323:18:058:157:27
7:27
#11595
40K
24.85 mi13:56:563:24:298:146:24
7:29
#11173
25.2M
25.20 mi13:59:413:27:148:132:45
7:58
#10985
Finish
26.22 mi14:06:523:34:258:117:11
7:03
#10627
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi166445951595116212(Top 63%)5682(Top 52%)5682(Top 122%)
10K6.21 mi3.10 mi17064-4206186-2356186-23517575(Top 69%)6473(Top 59%)6473(Top 139%)
15K9.32 mi3.11 mi16731+3335982+2045982+20416212(Top 63%)5682(Top 52%)5682(Top 122%)
20K12.43 mi3.11 mi16072+6595614+3685614+36814532(Top 57%)4734(Top 43%)4734(Top 102%)
Half13.11 mi0.68 mi15891+1815511+1035511+10312693(Top 50%)3700(Top 34%)3700(Top 79%)
25K15.53 mi2.42 mi15221+6705129+3825129+38212120(Top 47%)3578(Top 33%)3578(Top 77%)
30K18.64 mi3.11 mi14017+12044493+6364493+6369006(Top 35%)2221(Top 20%)2221(Top 48%)
20M20.00 mi1.36 mi13405+6124215+2784215+2786638(Top 26%)1394(Top 13%)1394(Top 30%)
21M21.00 mi1.00 mi12852+5533947+2683947+2685731(Top 22%)1192(Top 11%)1192(Top 26%)
35K21.75 mi0.75 mi12571+2813820+1273820+1275730(Top 22%)1202(Top 11%)1202(Top 26%)
23M23.00 mi1.25 mi12037+5343592+2283592+2284655(Top 18%)867(Top 8%)867(Top 19%)
24M24.00 mi1.00 mi11595+4423400+1923400+1923980(Top 16%)681(Top 6%)681(Top 15%)
40K24.85 mi0.85 mi11173+4223225+1753225+1753487(Top 14%)608(Top 6%)608(Top 13%)
25.2M25.20 mi0.35 mi10985+1883142+833142+832730(Top 11%)409(Top 4%)409(Top 9%)
Finish26.22 mi1.02 mi10627+3583007+1353007+1353389(Top 13%)598(Top 5%)598(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

16212

Females

5682

F18-39

5682

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

17575

Females

6473

F18-39

6473

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

16212

Females

5682

F18-39

5682

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

14532

Females

4734

F18-39

4734

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

12693

Females

3700

F18-39

3700

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

12120

Females

3578

F18-39

3578

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

9006

Females

2221

F18-39

2221

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

6638

Females

1394

F18-39

1394

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

5731

Females

1192

F18-39

1192

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

5730

Females

1202

F18-39

1202

35K→23M

21.8 - 23.0 mi

Top 18%
×5story building
+23ft-63ft

Overall

4655

Females

867

F18-39

867

23M→24M

23.0 - 24.0 mi

Top 16%
×6story building
+12ft-82ft

Overall

3980

Females

681

F18-39

681

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3487

Females

608

F18-39

608

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2730

Females

409

F18-39

409

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2story building
+22ft-21ft

Overall

3389

Females

598

F18-39

598

Passing Analysis

Category:
Athletes Passed
6680
Passed By
663
Net Change
+6017
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16644
5K → 10K139559-420#16644#17064
10K → 15K41784+333#17064#16731
15K → 20K67617+659#16731#16072
20K → Half1810+181#16072#15891
Half → 25K6711+670#15891#15221
25K → 30K12051+1204#15221#14017
30K → 20M6131+612#14017#13405
20M → 21M5530+553#13405#12852
21M → 35K2810+281#12852#12571
35K → 23M5340+534#12571#12037
23M → 24M4420+442#12037#11595
24M → 40K4220+422#11595#11173
40K → 25.2M1880+188#11173#10985
25.2M → Finish3580+358#10985#10627
TOTALS6680663+6017
📊

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