Boston Marathon logo
BOSTON MARATHON 2024

Sarah Diener

Bib: 19170•F

CT

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:58
Rank: #17006
Start → 5K
25:58 | 8:21/mi
10K· 6.21 mi
52:11
Rank: #16914 (+92)
5K → 10K
26:13 | 8:26/mi
15K· 9.32 mi
1:18:44
Rank: #16782 (+132)
10K → 15K
26:33 | 8:33/mi
20K· 12.43 mi
1:47:10
Rank: #17110 (-328)
15K → 20K
28:26 | 9:09/mi
Half· 13.11 mi
1:53:16
Rank: #17130 (-20)
20K → Half
6:06 | 8:56/mi
25K· 15.53 mi
2:17:10
Rank: #17504 (-374)
Half → 25K
23:54 | 9:51/mi
30K· 18.64 mi
2:50:41
Rank: #18073 (-569)
25K → 30K
33:31 | 10:47/mi
20M
3:03:53
Rank: #17862 (+211)
30K → 20M
13:12 | 9:43/mi
21M
3:15:14
Rank: #17836 (+26)
20M → 21M
11:21 | 11:21/mi
35K· 21.75 mi
3:22:15
Rank: #17734 (+102)
21M → 35K
7:01 | 9:23/mi
23M
3:34:53
Rank: #17581 (+153)
35K → 23M
12:38 | 10:05/mi
24M
3:44:52
Rank: #17530 (+51)
23M → 24M
9:59 | 9:59/mi
40K· 24.85 mi
3:53:05
Rank: #17373 (+157)
24M → 40K
8:13 | 9:37/mi
25.2M
3:57:08
Rank: #17341 (+32)
40K → 25.2M
4:03 | 11:45/mi
Finish· 26.22 mi
4:06:54
Rank: #17281 (+60)
25.2M → Finish
9:46 | 9:35/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
Time1:53:16
Pace8:38 /mi
2nd Half
Distance13.11 mi
Time2:13:38
Pace10:12 /mi
📊Positive Split: 18.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:0325:588:2125:58
8:21
-
10K
6.21 mi11:45:1652:118:2426:13
8:26
+0:05
15K
9.32 mi12:11:491:18:448:2726:33
8:33
+0:07
20K
12.43 mi12:40:151:47:108:3728:26
9:09
+0:36
Half
13.11 mi12:46:211:53:168:386:06
8:56
-0:13
25K
15.53 mi13:10:152:17:108:5023:54
9:51
+0:55
30K
18.64 mi13:43:462:50:419:0933:31
10:47
+0:56
20M
20.00 mi13:56:583:03:539:1213:12
9:43
-1:04
21M
21.00 mi14:08:193:15:149:1811:21
11:21
+1:38
35K
21.75 mi14:15:203:22:159:187:01
9:23
-1:58
23M
23.00 mi14:27:583:34:539:2112:38
10:05
+0:42
24M
24.00 mi14:37:573:44:529:229:59
9:59
-0:06
40K
24.85 mi14:46:103:53:059:238:13
9:37
-0:22
25.2M
25.20 mi14:50:133:57:089:254:03
11:45
+2:08
Finish
26.22 mi14:59:594:06:549:259:46
9:35
-2:10

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

8:21 /mi

Average Pace

9:25 /mi

Slowest Pace

11:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:24:50

34% of race

Time at Steady Pace

1:53:09

46% of race

Time at Slower Pace

48:55

20% of race

Average Pace: 9:25 /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 mi11:19:0325:588:2125:58
8:21
#17006
10K
6.21 mi11:45:1652:118:2426:13
8:26
#16914
15K
9.32 mi12:11:491:18:448:2726:33
8:33
#16782
20K
12.43 mi12:40:151:47:108:3728:26
9:09
#17110
Half
13.11 mi12:46:211:53:168:386:06
8:56
#17130
25K
15.53 mi13:10:152:17:108:5023:54
9:51
#17504
30K
18.64 mi13:43:462:50:419:0933:31
10:47
#18073
20M
20.00 mi13:56:583:03:539:1213:12
9:43
#17862
21M
21.00 mi14:08:193:15:149:1811:21
11:21
#17836
35K
21.75 mi14:15:203:22:159:187:01
9:23
#17734
23M
23.00 mi14:27:583:34:539:2112:38
10:05
#17581
24M
24.00 mi14:37:573:44:529:229:59
9:59
#17530
40K
24.85 mi14:46:103:53:059:238:13
9:37
#17373
25.2M
25.20 mi14:50:133:57:089:254:03
11:45
#17341
Finish
26.22 mi14:59:594:06:549:259:46
9:35
#17281
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi170066172617216659(Top 65%)5955(Top 55%)5955(Top 369%)
10K6.21 mi3.10 mi16914+926095+776095+7716904(Top 66%)6073(Top 56%)6073(Top 377%)
15K9.32 mi3.11 mi16782+1326021+746021+7416659(Top 65%)5955(Top 55%)5955(Top 369%)
20K12.43 mi3.11 mi17110-3286231-2106231-21018010(Top 70%)6707(Top 61%)6707(Top 416%)
Half13.11 mi0.68 mi17130-206255-246255-2418022(Top 71%)6802(Top 62%)6802(Top 422%)
25K15.53 mi2.42 mi17504-3746500-2456500-24518727(Top 73%)7230(Top 66%)7230(Top 448%)
30K18.64 mi3.11 mi18073-5696876-3766876-37619487(Top 76%)7839(Top 72%)7839(Top 486%)
20M20.00 mi1.36 mi17862+2116785+916785+9115421(Top 60%)5917(Top 54%)5917(Top 367%)
21M21.00 mi1.00 mi17836+266809-246809-2417287(Top 68%)6992(Top 64%)6992(Top 433%)
35K21.75 mi0.75 mi17734+1026761+486761+4815063(Top 59%)5877(Top 54%)5877(Top 364%)
23M23.00 mi1.25 mi17581+1536695+666695+6615783(Top 62%)6293(Top 58%)6293(Top 390%)
24M24.00 mi1.00 mi17530+516693+26693+216298(Top 64%)6595(Top 60%)6595(Top 409%)
40K24.85 mi0.85 mi17373+1576638+556638+5513577(Top 53%)5341(Top 49%)5341(Top 331%)
25.2M25.20 mi0.35 mi17341+326631+76631+716724(Top 65%)6894(Top 63%)6894(Top 427%)
Finish26.22 mi1.02 mi17281+606634-36634-316887(Top 66%)6958(Top 64%)6958(Top 431%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

16659

Females

5955

F40-44

5955

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

16904

Females

6073

F40-44

6073

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

16659

Females

5955

F40-44

5955

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

18010

Females

6707

F40-44

6707

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

18022

Females

6802

F40-44

6802

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

18727

Females

7230

F40-44

7230

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

19487

Females

7839

F40-44

7839

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

15421

Females

5917

F40-44

5917

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

17287

Females

6992

F40-44

6992

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

15063

Females

5877

F40-44

5877

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

15783

Females

6293

F40-44

6293

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

16298

Females

6595

F40-44

6595

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

13577

Females

5341

F40-44

5341

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

16724

Females

6894

F40-44

6894

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

16887

Females

6958

F40-44

6958

Passing Analysis

Category:
Athletes Passed
2054
Passed By
2329
Net Change
-275
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17006
5K → 10K316224+92#17006#16914
10K → 15K288156+132#16914#16782
15K → 20K173501-328#16782#17110
20K → Half3656-20#17110#17130
Half → 25K98472-374#17130#17504
25K → 30K111680-569#17504#18073
30K → 20M22110+211#18073#17862
20M → 21M11286+26#17862#17836
21M → 35K12018+102#17836#17734
35K → 23M18128+153#17734#17581
23M → 24M8534+51#17581#17530
24M → 40K1658+157#17530#17373
40K → 25.2M5119+32#17373#17341
25.2M → Finish9737+60#17341#17281
TOTALS20542329-275
📊

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