Boston Marathon logo
BOSTON MARATHON 2023

Rachel Carroll

Bib: 17424•F

KY

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 39%
Gender (Female)
#0 / 11423
Top 20%
Masters (Masters Women)
#0 / 6539
Top 9%
Division (F40-44)
#0 / 1878
Top 18%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:35
Rank: #13354
Start → 5K
24:35 | 7:55/mi
10K· 6.21 mi
48:00
Rank: #12057 (+1297)
5K → 10K
23:25 | 7:32/mi
15K· 9.32 mi
1:11:47
Rank: #11794 (+263)
10K → 15K
23:47 | 7:39/mi
20K· 12.43 mi
1:35:33
Rank: #11429 (+365)
15K → 20K
23:46 | 7:39/mi
Half· 13.11 mi
1:40:41
Rank: #11366 (+63)
20K → Half
5:08 | 7:31/mi
25K· 15.53 mi
1:59:14
Rank: #11106 (+260)
Half → 25K
18:33 | 7:39/mi
30K· 18.64 mi
2:23:33
Rank: #10786 (+320)
25K → 30K
24:19 | 7:50/mi
20M
2:34:24
Rank: #10717 (+69)
30K → 20M
10:51 | 7:59/mi
21M
2:42:39
Rank: #10580 (+137)
20M → 21M
8:15 | 8:15/mi
35K· 21.75 mi
2:48:27
Rank: #10541 (+39)
21M → 35K
5:48 | 7:45/mi
23M
2:58:38
Rank: #10544 (-3)
35K → 23M
10:11 | 8:08/mi
24M
3:06:27
Rank: #10497 (+47)
23M → 24M
7:49 | 7:49/mi
40K· 24.85 mi
3:13:16
Rank: #10449 (+48)
24M → 40K
6:49 | 7:58/mi
25.2M
3:16:15
Rank: #10431 (+18)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:23:59
Rank: #10348 (+83)
25.2M → Finish
7:44 | 7:35/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
Time1:40:41
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:43:18
Pace7:53 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:2224:357:5524:35
7:55
-
10K
6.21 mi11:39:4748:007:4323:25
7:32
-0:23
15K
9.32 mi12:03:341:11:477:4223:47
7:39
+0:07
20K
12.43 mi12:27:201:35:337:4123:46
7:39
0:00
Half
13.11 mi12:32:281:40:417:415:08
7:31
-0:08
25K
15.53 mi12:51:011:59:147:4118:33
7:39
+0:08
30K
18.64 mi13:15:202:23:337:4224:19
7:50
+0:11
20M
20.00 mi13:26:112:34:247:4310:51
7:59
+0:09
21M
21.00 mi13:34:262:42:397:458:15
8:15
+0:16
35K
21.75 mi13:40:142:48:277:455:48
7:45
-0:30
23M
23.00 mi13:50:252:58:387:4610:11
8:08
+0:23
24M
24.00 mi13:58:143:06:277:467:49
7:49
-0:19
40K
24.85 mi14:05:033:13:167:476:49
7:58
+0:09
25.2M
25.20 mi14:08:023:16:157:472:59
8:39
+0:41
Finish
26.22 mi14:15:463:23:597:477:44
7:35
-1:04

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

7:31 /mi

Average Pace

7:47 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:21:00

99% of race

Time at Steady Pace

2:59

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:47 /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 mi11:16:2224:357:5524:35
7:55
#13354
10K
6.21 mi11:39:4748:007:4323:25
7:32
#12057
15K
9.32 mi12:03:341:11:477:4223:47
7:39
#11794
20K
12.43 mi12:27:201:35:337:4123:46
7:39
#11429
Half
13.11 mi12:32:281:40:417:415:08
7:31
#11366
25K
15.53 mi12:51:011:59:147:4118:33
7:39
#11106
30K
18.64 mi13:15:202:23:337:4224:19
7:50
#10786
20M
20.00 mi13:26:112:34:247:4310:51
7:59
#10717
21M
21.00 mi13:34:262:42:397:458:15
8:15
#10580
35K
21.75 mi13:40:142:48:277:455:48
7:45
#10541
23M
23.00 mi13:50:252:58:387:4610:11
8:08
#10544
24M
24.00 mi13:58:143:06:277:467:49
7:49
#10497
40K
24.85 mi14:05:033:13:167:476:49
7:58
#10449
25.2M
25.20 mi14:08:023:16:157:472:59
8:39
#10431
Finish
26.22 mi14:15:463:23:597:477:44
7:35
#10348
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi133543639363911473(Top 43%)2612(Top 23%)2612(Top 139%)
10K6.21 mi3.10 mi12057+12972890+7492890+74910796(Top 41%)2202(Top 19%)2202(Top 117%)
15K9.32 mi3.11 mi11794+2632781+1092781+10911473(Top 43%)2612(Top 23%)2612(Top 139%)
20K12.43 mi3.11 mi11429+3652571+2102571+21010523(Top 40%)2155(Top 19%)2155(Top 115%)
Half13.11 mi0.68 mi11366+632544+272544+2710474(Top 39%)2129(Top 19%)2129(Top 113%)
25K15.53 mi2.42 mi11106+2602415+1292415+1299931(Top 37%)1977(Top 17%)1977(Top 105%)
30K18.64 mi3.11 mi10786+3202290+1252290+1259583(Top 36%)1961(Top 17%)1961(Top 104%)
20M20.00 mi1.36 mi10717+692291-12291-110172(Top 38%)2312(Top 20%)2312(Top 123%)
21M21.00 mi1.00 mi10580+1372238+532238+538941(Top 34%)1903(Top 17%)1903(Top 101%)
35K21.75 mi0.75 mi10541+392240-22240-210323(Top 39%)2512(Top 22%)2512(Top 134%)
23M23.00 mi1.25 mi10544-32272-322272-3210721(Top 40%)2876(Top 25%)2876(Top 153%)
24M24.00 mi1.00 mi10497+472279-72279-79945(Top 37%)2563(Top 22%)2563(Top 136%)
40K24.85 mi0.85 mi10449+482284-52284-59898(Top 37%)2596(Top 23%)2596(Top 138%)
25.2M25.20 mi0.35 mi10431+182286-22286-210493(Top 39%)2919(Top 26%)2919(Top 155%)
Finish26.22 mi1.02 mi10348+832270+162270+169228(Top 35%)2337(Top 20%)2337(Top 124%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

11473

Females

2612

F40-44

2612

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

10796

Females

2202

F40-44

2202

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

11473

Females

2612

F40-44

2612

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

10523

Females

2155

F40-44

2155

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10474

Females

2129

F40-44

2129

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

9931

Females

1977

F40-44

1977

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

9583

Females

1961

F40-44

1961

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10172

Females

2312

F40-44

2312

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

8941

Females

1903

F40-44

1903

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

10323

Females

2512

F40-44

2512

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

10721

Females

2876

F40-44

2876

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

9945

Females

2563

F40-44

2563

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9898

Females

2596

F40-44

2596

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10493

Females

2919

F40-44

2919

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9228

Females

2337

F40-44

2337

Passing Analysis

Category:
Athletes Passed
3543*
Passed By
537
Net Change
+3006
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13354
5K → 10K133639+1297#13354#12057
10K → 15K35289+263#12057#11794
15K → 20K39429+365#11794#11429
20K → Half685+63#11429#11366
Half → 25K28020+260#11366#11106
25K → 30K35838+320#11106#10786
30K → 20M113*44+69#10786#10717
20M → 21M15013+137#10717#10580
21M → 35K6728+39#10580#10541
35K → 23M8285-3#10541#10544
23M → 24M9245+47#10544#10497
24M → 40K8941+48#10497#10449
40K → 25.2M4426+18#10449#10431
25.2M → Finish11835+83#10431#10348
TOTALS3543*537+3006

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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