Boston Marathon logo
BOSTON MARATHON 2024

Sydney Williams

Bib: 14422•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 22%
Gender (Female)
#0 / 10924
Top 8%
Division (F18-39)
#0 / 4660
Top 14%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:52
Rank: #7282
Start → 5K
21:52 | 7:02/mi
10K· 6.21 mi
44:30
Rank: #7868 (-586)
5K → 10K
22:38 | 7:17/mi
15K· 9.32 mi
1:07:27
Rank: #8117 (-249)
10K → 15K
22:57 | 7:23/mi
20K· 12.43 mi
1:30:54
Rank: #8231 (-114)
15K → 20K
23:27 | 7:33/mi
Half· 13.11 mi
1:35:53
Rank: #8198 (+33)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:53:36
Rank: #7698 (+500)
Half → 25K
17:43 | 7:18/mi
30K· 18.64 mi
2:17:21
Rank: #7240 (+458)
25K → 30K
23:45 | 7:39/mi
20M
2:27:49
Rank: #7010 (+230)
30K → 20M
10:28 | 7:42/mi
21M
2:36:11
Rank: #6802 (+208)
20M → 21M
8:22 | 8:22/mi
35K· 21.75 mi
2:41:52
Rank: #6687 (+115)
21M → 35K
5:41 | 7:36/mi
23M
2:51:36
Rank: #6448 (+239)
35K → 23M
9:44 | 7:46/mi
24M
2:58:59
Rank: #6223 (+225)
23M → 24M
7:23 | 7:23/mi
40K· 24.85 mi
3:05:13
Rank: #5993 (+230)
24M → 40K
6:14 | 7:17/mi
25.2M
3:08:02
Rank: #5896 (+97)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:15:00
Rank: #5702 (+194)
25.2M → Finish
6:58 | 6:50/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
Time1:35:53
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:39:07
Pace7:34 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5021:527:0221:52
7:02
-
10K
6.21 mi11:15:2844:307:1022:38
7:17
+0:15
15K
9.32 mi11:38:251:07:277:1422:57
7:23
+0:06
20K
12.43 mi12:01:521:30:547:1923:27
7:33
+0:10
Half
13.11 mi12:06:511:35:537:194:59
7:18
-0:15
25K
15.53 mi12:24:341:53:367:1917:43
7:18
0:00
30K
18.64 mi12:48:192:17:217:2223:45
7:39
+0:21
20M
20.00 mi12:58:472:27:497:2310:28
7:42
+0:03
21M
21.00 mi13:07:092:36:117:268:22
8:22
+0:40
35K
21.75 mi13:12:502:41:527:275:41
7:36
-0:46
23M
23.00 mi13:22:342:51:367:289:44
7:46
+0:10
24M
24.00 mi13:29:572:58:597:277:23
7:23
-0:23
40K
24.85 mi13:36:113:05:137:276:14
7:17
-0:06
25.2M
25.20 mi13:39:003:08:027:282:49
8:10
+0:53
Finish
26.22 mi13:45:583:15:007:276:58
6:50
-1:20

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

6:50 /mi

Average Pace

7:27 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

28:50

15% of race

Time at Steady Pace

1:45:21

54% of race

Time at Slower Pace

1:00:49

31% of race

Average Pace: 7:26 /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 mi10:52:5021:527:0221:52
7:02
#7282
10K
6.21 mi11:15:2844:307:1022:38
7:17
#7868
15K
9.32 mi11:38:251:07:277:1422:57
7:23
#8117
20K
12.43 mi12:01:521:30:547:1923:27
7:33
#8231
Half
13.11 mi12:06:511:35:537:194:59
7:18
#8198
25K
15.53 mi12:24:341:53:367:1917:43
7:18
#7698
30K
18.64 mi12:48:192:17:217:2223:45
7:39
#7240
20M
20.00 mi12:58:472:27:497:2310:28
7:42
#7010
21M
21.00 mi13:07:092:36:117:268:22
8:22
#6802
35K
21.75 mi13:12:502:41:527:275:41
7:36
#6687
23M
23.00 mi13:22:342:51:367:289:44
7:46
#6448
24M
24.00 mi13:29:572:58:597:277:23
7:23
#6223
40K
24.85 mi13:36:113:05:137:276:14
7:17
#5993
25.2M
25.20 mi13:39:003:08:027:282:49
8:10
#5896
Finish
26.22 mi13:45:583:15:007:276:58
6:50
#5702
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi72829139138797(Top 34%)1600(Top 15%)1600(Top 34%)
10K6.21 mi3.10 mi7868-5861148-2351148-2358561(Top 34%)1456(Top 13%)1456(Top 31%)
15K9.32 mi3.11 mi8117-2491269-1211269-1218797(Top 34%)1600(Top 15%)1600(Top 34%)
20K12.43 mi3.11 mi8231-1141337-681337-688719(Top 34%)1677(Top 15%)1677(Top 36%)
Half13.11 mi0.68 mi8198+331323+141323+147733(Top 30%)1244(Top 11%)1244(Top 27%)
25K15.53 mi2.42 mi7698+5001172+1511172+1515881(Top 23%)768(Top 7%)768(Top 16%)
30K18.64 mi3.11 mi7240+4581070+1021070+1025842(Top 23%)919(Top 8%)919(Top 20%)
20M20.00 mi1.36 mi7010+2301028+421028+425235(Top 20%)831(Top 8%)831(Top 18%)
21M21.00 mi1.00 mi6802+2081006+221006+225631(Top 22%)1130(Top 10%)1130(Top 24%)
35K21.75 mi0.75 mi6687+1151001+51001+55565(Top 22%)1111(Top 10%)1111(Top 24%)
23M23.00 mi1.25 mi6448+239968+33968+334700(Top 18%)882(Top 8%)882(Top 19%)
24M24.00 mi1.00 mi6223+225923+45923+453700(Top 14%)572(Top 5%)572(Top 12%)
40K24.85 mi0.85 mi5993+230876+47876+472798(Top 11%)363(Top 3%)363(Top 8%)
25.2M25.20 mi0.35 mi5896+97860+16860+163327(Top 13%)577(Top 5%)577(Top 12%)
Finish26.22 mi1.02 mi5702+194830+30830+302517(Top 10%)357(Top 3%)357(Top 8%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

8797

Females

1600

F18-39

1600

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

8561

Females

1456

F18-39

1456

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

8797

Females

1600

F18-39

1600

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

8719

Females

1677

F18-39

1677

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

7733

Females

1244

F18-39

1244

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

5881

Females

768

F18-39

768

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

5842

Females

919

F18-39

919

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5235

Females

831

F18-39

831

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

5631

Females

1130

F18-39

1130

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

5565

Females

1111

F18-39

1111

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4700

Females

882

F18-39

882

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3700

Females

572

F18-39

572

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2798

Females

363

F18-39

363

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3327

Females

577

F18-39

577

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2517

Females

357

F18-39

357

Passing Analysis

Category:
Athletes Passed
2971
Passed By
1391
Net Change
+1580
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7282
5K → 10K48634-586#7282#7868
10K → 15K102351-249#7868#8117
15K → 20K157271-114#8117#8231
20K → Half4613+33#8231#8198
Half → 25K5077+500#8198#7698
25K → 30K49335+458#7698#7240
30K → 20M24717+230#7240#7010
20M → 21M23426+208#7010#6802
21M → 35K13116+115#6802#6687
35K → 23M25213+239#6687#6448
23M → 24M2261+225#6448#6223
24M → 40K2322+230#6223#5993
40K → 25.2M992+97#5993#5896
25.2M → Finish1973+194#5896#5702
TOTALS29711391+1580
📊

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