Boston Marathon logo
BOSTON MARATHON 2024

Catherine Lambert

Bib: 18630•F

QC

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 47%
Gender (Female)
#0 / 10924
Top 34%
Masters (Masters Women)
#0 / 6263
Top 21%
Division (F40-44)
#0 / 1613
Top 39%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:55
Rank: #14802
Start → 5K
24:55 | 8:01/mi
10K· 6.21 mi
49:58
Rank: #14727 (+75)
5K → 10K
25:03 | 8:04/mi
15K· 9.32 mi
1:15:05
Rank: #14424 (+303)
10K → 15K
25:07 | 8:05/mi
20K· 12.43 mi
1:40:32
Rank: #14003 (+421)
15K → 20K
25:27 | 8:11/mi
Half· 13.11 mi
1:46:02
Rank: #13940 (+63)
20K → Half
5:30 | 8:04/mi
25K· 15.53 mi
2:06:10
Rank: #13573 (+367)
Half → 25K
20:08 | 8:18/mi
30K· 18.64 mi
2:32:56
Rank: #12982 (+591)
25K → 30K
26:46 | 8:37/mi
20M
2:44:50
Rank: #12765 (+217)
30K → 20M
11:54 | 8:45/mi
21M
2:53:53
Rank: #12493 (+272)
20M → 21M
9:03 | 9:03/mi
35K· 21.75 mi
3:00:25
Rank: #12462 (+31)
21M → 35K
6:32 | 8:44/mi
23M
3:11:44
Rank: #12325 (+137)
35K → 23M
11:19 | 9:02/mi
24M
3:20:37
Rank: #12242 (+83)
23M → 24M
8:53 | 8:53/mi
40K· 24.85 mi
3:28:15
Rank: #12159 (+83)
24M → 40K
7:38 | 8:56/mi
25.2M
3:31:31
Rank: #12073 (+86)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:39:46
Rank: #11932 (+141)
25.2M → Finish
8:15 | 8:06/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
Time1:46:02
Pace8:05 /mi
2nd Half
Distance13.11 mi
Time1:53:44
Pace8:41 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:1524:558:0124:55
8:01
-
10K
6.21 mi11:47:1849:588:0225:03
8:04
+0:03
15K
9.32 mi12:12:251:15:058:0325:07
8:05
+0:01
20K
12.43 mi12:37:521:40:328:0525:27
8:11
+0:06
Half
13.11 mi12:43:221:46:028:055:30
8:04
-0:07
25K
15.53 mi13:03:302:06:108:0720:08
8:18
+0:14
30K
18.64 mi13:30:162:32:568:1226:46
8:37
+0:19
20M
20.00 mi13:42:102:44:508:1411:54
8:45
+0:08
21M
21.00 mi13:51:132:53:538:179:03
9:03
+0:18
35K
21.75 mi13:57:453:00:258:186:32
8:44
-0:19
23M
23.00 mi14:09:043:11:448:2011:19
9:02
+0:18
24M
24.00 mi14:17:573:20:378:228:53
8:53
-0:09
40K
24.85 mi14:25:353:28:158:237:38
8:56
+0:03
25.2M
25.20 mi14:28:513:31:318:243:16
9:28
+0:32
Finish
26.22 mi14:37:063:39:468:238:15
8:06
-1:22

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

8:01 /mi

Average Pace

8:23 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:59:37

82% of race

Time at Steady Pace

36:53

17% of race

Time at Slower Pace

3:16

1% of race

Average Pace: 8:23 /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 mi11:22:1524:558:0124:55
8:01
#14802
10K
6.21 mi11:47:1849:588:0225:03
8:04
#14727
15K
9.32 mi12:12:251:15:058:0325:07
8:05
#14424
20K
12.43 mi12:37:521:40:328:0525:27
8:11
#14003
Half
13.11 mi12:43:221:46:028:055:30
8:04
#13940
25K
15.53 mi13:03:302:06:108:0720:08
8:18
#13573
30K
18.64 mi13:30:162:32:568:1226:46
8:37
#12982
20M
20.00 mi13:42:102:44:508:1411:54
8:45
#12765
21M
21.00 mi13:51:132:53:538:179:03
9:03
#12493
35K
21.75 mi13:57:453:00:258:186:32
8:44
#12462
23M
23.00 mi14:09:043:11:448:2011:19
9:02
#12325
24M
24.00 mi14:17:573:20:378:228:53
8:53
#12242
40K
24.85 mi14:25:353:28:158:237:38
8:56
#12159
25.2M
25.20 mi14:28:513:31:318:243:16
9:28
#12073
Finish
26.22 mi14:37:063:39:468:238:15
8:06
#11932
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi148024817481714005(Top 55%)4362(Top 40%)4362(Top 270%)
10K6.21 mi3.10 mi14727+754765+524765+5214653(Top 57%)4713(Top 43%)4713(Top 292%)
15K9.32 mi3.11 mi14424+3034585+1804585+18014005(Top 55%)4362(Top 40%)4362(Top 270%)
20K12.43 mi3.11 mi14003+4214364+2214364+22113092(Top 51%)3897(Top 36%)3897(Top 242%)
Half13.11 mi0.68 mi13940+634328+364328+3613182(Top 52%)3996(Top 37%)3996(Top 248%)
25K15.53 mi2.42 mi13573+3674136+1924136+19212018(Top 47%)3528(Top 32%)3528(Top 219%)
30K18.64 mi3.11 mi12982+5913902+2343902+23411263(Top 44%)3326(Top 30%)3326(Top 206%)
20M20.00 mi1.36 mi12765+2173839+633839+6310876(Top 43%)3402(Top 31%)3402(Top 211%)
21M21.00 mi1.00 mi12493+2723742+973742+978852(Top 35%)2619(Top 24%)2619(Top 162%)
35K21.75 mi0.75 mi12462+313774-323774-3212008(Top 47%)4285(Top 39%)4285(Top 266%)
23M23.00 mi1.25 mi12325+1373755+193755+1911382(Top 45%)4095(Top 37%)4095(Top 254%)
24M24.00 mi1.00 mi12242+833759-43759-411573(Top 45%)4197(Top 38%)4197(Top 260%)
40K24.85 mi0.85 mi12159+833755+43755+410545(Top 41%)3836(Top 35%)3836(Top 238%)
25.2M25.20 mi0.35 mi12073+863729+263729+268697(Top 34%)3021(Top 28%)3021(Top 187%)
Finish26.22 mi1.02 mi11932+1413689+403689+409182(Top 36%)3145(Top 29%)3145(Top 195%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

14005

Females

4362

F40-44

4362

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

14653

Females

4713

F40-44

4713

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

14005

Females

4362

F40-44

4362

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13092

Females

3897

F40-44

3897

20K→Half

12.4 - 13.1 mi

Top 52%
×2stories
+19ft-37ft

Overall

13182

Females

3996

F40-44

3996

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

12018

Females

3528

F40-44

3528

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

11263

Females

3326

F40-44

3326

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

10876

Females

3402

F40-44

3402

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

8852

Females

2619

F40-44

2619

21M→35K

21.0 - 21.8 mi

Top 47%
×7stories
+17ft-86ft

Overall

12008

Females

4285

F40-44

4285

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

11382

Females

4095

F40-44

4095

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

11573

Females

4197

F40-44

4197

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10545

Females

3836

F40-44

3836

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

8697

Females

3021

F40-44

3021

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

9182

Females

3145

F40-44

3145

Passing Analysis

Category:
Athletes Passed
3641
Passed By
771
Net Change
+2870
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14802
5K → 10K325250+75#14802#14727
10K → 15K40198+303#14727#14424
15K → 20K46342+421#14424#14003
20K → Half8017+63#14003#13940
Half → 25K40942+367#13940#13573
25K → 30K63847+591#13573#12982
30K → 20M25336+217#12982#12765
20M → 21M28614+272#12765#12493
21M → 35K8453+31#12493#12462
35K → 23M19558+137#12462#12325
23M → 24M14259+83#12325#12242
24M → 40K11431+83#12242#12159
40K → 25.2M915+86#12159#12073
25.2M → Finish16019+141#12073#11932
TOTALS3641771+2870
📊

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