Boston Marathon logo
BOSTON MARATHON 2024

Sarah Kletzer

Bib: 13488•F

CA

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
23:17
Rank: #10736
Start → 5K
23:17 | 7:30/mi
10K· 6.21 mi
46:33
Rank: #10423 (+313)
5K → 10K
23:16 | 7:29/mi
15K· 9.32 mi
1:09:53
Rank: #10171 (+252)
10K → 15K
23:20 | 7:31/mi
20K· 12.43 mi
1:33:50
Rank: #10038 (+133)
15K → 20K
23:57 | 7:43/mi
Half· 13.11 mi
1:39:06
Rank: #10070 (-32)
20K → Half
5:16 | 7:43/mi
25K· 15.53 mi
3:03:52
Rank: #24574 (-14504)
Half → 25K
1:24:46 | 34:58/mi
30K· 18.64 mi
3:29:59
Rank: #23436 (+1138)
25K → 30K
26:07 | 8:24/mi
20M
3:41:14
Rank: #22848 (+588)
30K → 20M
11:15 | 8:17/mi
21M
3:50:09
Rank: #22376 (+472)
20M → 21M
8:55 | 8:55/mi
35K· 21.75 mi
3:57:00
Rank: #22137 (+239)
21M → 35K
6:51 | 9:09/mi
23M
4:07:24
Rank: #21610 (+527)
35K → 23M
10:24 | 8:18/mi
24M
4:15:38
Rank: #21260 (+350)
23M → 24M
8:14 | 8:14/mi
40K· 24.85 mi
4:22:39
Rank: #20906 (+354)
24M → 40K
7:01 | 8:12/mi
25.2M
4:25:57
Rank: #20777 (+129)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
4:34:07
Rank: #20500 (+277)
25.2M → Finish
8:10 | 8:01/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
Time1:39:06
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time2:55:01
Pace13:21 /mi
📊Positive Split: 76.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1723:177:3023:17
7:30
-
10K
6.21 mi11:16:3346:337:2923:16
7:29
-0:01
15K
9.32 mi11:39:531:09:537:3023:20
7:31
+0:02
20K
12.43 mi12:03:501:33:507:3323:57
7:43
+0:12
Half
13.11 mi12:09:061:39:067:345:16
7:43
0:00
25K
15.53 mi13:33:523:03:5211:501:24:46
34:58
+27:15
30K
18.64 mi13:59:593:29:5911:1626:07
8:24
-26:34
20M
20.00 mi14:11:143:41:1411:0411:15
8:17
-0:07
21M
21.00 mi14:20:093:50:0910:588:55
8:55
+0:38
35K
21.75 mi14:27:003:57:0010:546:51
9:09
+0:14
23M
23.00 mi14:37:244:07:2410:4510:24
8:18
-0:51
24M
24.00 mi14:45:384:15:3810:398:14
8:14
-0:04
40K
24.85 mi14:52:394:22:3910:347:01
8:12
-0:02
25.2M
25.20 mi14:55:574:25:5710:333:18
9:34
+1:22
Finish
26.22 mi15:04:074:34:0710:288:10
8:01
-1:33

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

7:29 /mi

Average Pace

10:28 /mi

Slowest Pace

34:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:09:21

69% of race

Time at Slower Pace

1:24:46

31% of race

Average Pace: 10:27 /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 mi10:53:1723:177:3023:17
7:30
#10736
10K
6.21 mi11:16:3346:337:2923:16
7:29
#10423
15K
9.32 mi11:39:531:09:537:3023:20
7:31
#10171
20K
12.43 mi12:03:501:33:507:3323:57
7:43
#10038
Half
13.11 mi12:09:061:39:067:345:16
7:43
#10070
25K
15.53 mi13:33:523:03:5211:501:24:46
34:58
#24574
30K
18.64 mi13:59:593:29:5911:1626:07
8:24
#23436
20M
20.00 mi14:11:143:41:1411:0411:15
8:17
#22848
21M
21.00 mi14:20:093:50:0910:588:55
8:55
#22376
35K
21.75 mi14:27:003:57:0010:546:51
9:09
#22137
23M
23.00 mi14:37:244:07:2410:4510:24
8:18
#21610
24M
24.00 mi14:45:384:15:3810:398:14
8:14
#21260
40K
24.85 mi14:52:394:22:3910:347:01
8:12
#20906
25.2M
25.20 mi14:55:574:25:5710:333:18
9:34
#20777
Finish
26.22 mi15:04:074:34:0710:288:10
8:01
#20500
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10736243024309780(Top 38%)2073(Top 19%)2073(Top 44%)
10K6.21 mi3.10 mi10423+3132284+1462284+14610210(Top 40%)2205(Top 20%)2205(Top 47%)
15K9.32 mi3.11 mi10171+2522185+992185+999780(Top 38%)2073(Top 19%)2073(Top 44%)
20K12.43 mi3.11 mi10038+1332169+162169+169826(Top 38%)2245(Top 21%)2245(Top 48%)
Half13.11 mi0.68 mi10070-322199-302199-3010832(Top 42%)2729(Top 25%)2729(Top 59%)
25K15.53 mi2.42 mi24574-1450410317-811810317-811825549(Top 100%)10924(Top 100%)10924(Top 234%)
30K18.64 mi3.11 mi23436+11389728+5899728+58910174(Top 40%)2792(Top 26%)2792(Top 60%)
20M20.00 mi1.36 mi22848+5889439+2899439+2898313(Top 33%)2145(Top 20%)2145(Top 46%)
21M21.00 mi1.00 mi22376+4729199+2409199+2408215(Top 32%)2307(Top 21%)2307(Top 50%)
35K21.75 mi0.75 mi22137+2399088+1119088+11114122(Top 55%)5403(Top 49%)5403(Top 116%)
23M23.00 mi1.25 mi21610+5278843+2458843+2457427(Top 29%)2115(Top 19%)2115(Top 45%)
24M24.00 mi1.00 mi21260+3508692+1518692+1517986(Top 31%)2489(Top 23%)2489(Top 53%)
40K24.85 mi0.85 mi20906+3548519+1738519+1736884(Top 27%)2086(Top 19%)2086(Top 45%)
25.2M25.20 mi0.35 mi20777+1298452+678452+679121(Top 36%)3239(Top 30%)3239(Top 70%)
Finish26.22 mi1.02 mi20500+2778327+1258327+1258644(Top 34%)2906(Top 27%)2906(Top 62%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

9780

Females

2073

F18-39

2073

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

10210

Females

2205

F18-39

2205

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

9780

Females

2073

F18-39

2073

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

9826

Females

2245

F18-39

2245

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

10832

Females

2729

F18-39

2729

Half→25K

13.1 - 15.5 mi

Top 100%
×4stories
+66ft-88ft

Overall

25549

Females

10924

F18-39

10924

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

10174

Females

2792

F18-39

2792

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

8313

Females

2145

F18-39

2145

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8215

Females

2307

F18-39

2307

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

14122

Females

5403

F18-39

5403

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

7427

Females

2115

F18-39

2115

23M→24M

23.0 - 24.0 mi

Top 31%
×6stories
+12ft-82ft

Overall

7986

Females

2489

F18-39

2489

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

6884

Females

2086

F18-39

2086

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9121

Females

3239

F18-39

3239

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

8644

Females

2906

F18-39

2906

Passing Analysis

Category:
Athletes Passed
5184
Passed By
14947
Net Change
-9764
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10736
5K → 10K460147+313#10736#10423
10K → 15K33684+252#10423#10171
15K → 20K287154+133#10171#10038
20K → Half2658-32#10038#10070
Half → 25K014503-14504#10070#24574
25K → 30K11380+1138#24574#23436
30K → 20M5880+588#23436#22848
20M → 21M4720+472#22848#22376
21M → 35K2390+239#22376#22137
35K → 23M5281+527#22137#21610
23M → 24M3500+350#21610#21260
24M → 40K3540+354#21260#20906
40K → 25.2M1290+129#20906#20777
25.2M → Finish2770+277#20777#20500
TOTALS518414947-9764
📊

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