Boston Marathon logo
BOSTON MARATHON 2024

Kathiuska Santamaria

Bib: 27347•F

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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:11/mi
28:31
↑ 97↓ 3451.5%
10K· 6.21 mi
8:54/mi
56:09
↑ 79↓ 1380.4%
15K· 9.32 mi
9:00/mi
1:24:06
↑ 67↓ 78
20K· 12.43 mi
9:26/mi
1:53:25
↑ 106↓ 860.1%
Half· 13.11 mi
9:11/mi
1:59:41
↑ 19↓ 370.5%
25K· 15.53 mi
9:22/mi
2:22:24
↑ 66↓ 880.2%
30K· 18.64 mi
9:51/mi
2:53:00
↑ 181↓ 1480.2%
20M
10:20/mi
3:07:02
↑ 64↓ 500.2%
21M
11:36/mi
3:18:38
↑ 106↓ 241.6%
35K· 21.75 mi
10:52/mi
3:26:46
↑ 17↓ 861.7%
23M
11:15/mi
3:40:51
↑ 23↓ 630.6%
24M
9:32/mi
3:50:23
↓ 821.3%
40K· 24.85 mi
9:45/mi
3:58:43
↓ 200.3%
25.2M
10:50/mi
4:02:27
↑ 13↓ 160.2%
Finish· 26.22 mi
9:01/mi
4:11:38
↑ 22↓ 21

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
Time1:59:41
Pace9:08 /mi
2nd Half
Distance13.11 mi
Time2:11:57
Pace10:04 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:4528:319:1128:31
9:11
-
10K
6.21 mi12:16:2356:099:0227:38
8:54
-0:17
15K
9.32 mi12:44:201:24:069:0127:57
9:00
+0:06
20K
12.43 mi13:13:391:53:259:0829:19
9:26
+0:26
Half
13.11 mi13:19:551:59:419:086:16
9:11
-0:15
25K
15.53 mi13:42:382:22:249:1022:43
9:22
+0:11
30K
18.64 mi14:13:142:53:009:1730:36
9:51
+0:29
20M
20.00 mi14:27:163:07:029:2114:02
10:20
+0:29
21M
21.00 mi14:38:523:18:389:2811:36
11:36
+1:16
35K
21.75 mi14:47:003:26:469:308:08
10:52
-0:44
23M
23.00 mi15:01:053:40:519:3614:05
11:15
+0:23
24M
24.00 mi15:10:373:50:239:369:32
9:32
-1:43
40K
24.85 mi15:18:573:58:439:368:20
9:45
+0:13
25.2M
25.20 mi15:22:414:02:279:373:44
10:50
+1:05
Finish
26.22 mi15:31:524:11:389:369:11
9:01
-1:49

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

8:54 /mi

Average Pace

9:36 /mi

Slowest Pace

11:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:04:46

26% of race

Time at Steady Pace

2:15:17

54% of race

Time at Slower Pace

51:35

20% of race

Average Pace: 9:36 /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 mi11:48:4528:319:1128:31
9:11
#20731
10K
6.21 mi12:16:2356:099:0227:38
8:54
#20035
15K
9.32 mi12:44:201:24:069:0127:57
9:00
#19665
20K
12.43 mi13:13:391:53:259:0829:19
9:26
#19477
Half
13.11 mi13:19:551:59:419:086:16
9:11
#19456
25K
15.53 mi13:42:382:22:249:1022:43
9:22
#19028
30K
18.64 mi14:13:142:53:009:1730:36
9:51
#18568
20M
20.00 mi14:27:163:07:029:2114:02
10:20
#18497
21M
21.00 mi14:38:523:18:389:2811:36
11:36
#18450
35K
21.75 mi14:47:003:26:469:308:08
10:52
#18478
23M
23.00 mi15:01:053:40:519:3614:05
11:15
#18484
24M
24.00 mi15:10:373:50:239:369:32
9:32
#18321
40K
24.85 mi15:18:573:58:439:368:20
9:45
#18162
25.2M
25.20 mi15:22:414:02:279:373:44
10:50
#18083
Finish
26.22 mi15:31:524:11:389:369:11
9:01
#17924
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi207318264826418910(Top 74%)7204(Top 66%)7204(Top 155%)
10K6.21 mi3.10 mi20035+6967885+3797885+37919317(Top 76%)7458(Top 68%)7458(Top 160%)
15K9.32 mi3.11 mi19665+3707658+2277658+22718910(Top 74%)7204(Top 66%)7204(Top 155%)
20K12.43 mi3.11 mi19477+1887554+1047554+10418992(Top 74%)7264(Top 66%)7264(Top 156%)
Half13.11 mi0.68 mi19456+217542+127542+1219044(Top 75%)7361(Top 67%)7361(Top 158%)
25K15.53 mi2.42 mi19028+4287320+2227320+22217093(Top 67%)6325(Top 58%)6325(Top 136%)
30K18.64 mi3.11 mi18568+4607147+1737147+17316829(Top 66%)6413(Top 59%)6413(Top 138%)
20M20.00 mi1.36 mi18497+717131+167131+1617499(Top 68%)6973(Top 64%)6973(Top 150%)
21M21.00 mi1.00 mi18450+477131713117903(Top 70%)7280(Top 67%)7280(Top 156%)
35K21.75 mi0.75 mi18478-287154-237154-2319516(Top 76%)8082(Top 74%)8082(Top 173%)
23M23.00 mi1.25 mi18484-67186-327186-3219067(Top 75%)7920(Top 73%)7920(Top 170%)
24M24.00 mi1.00 mi18321+1637124+627124+6214635(Top 57%)5770(Top 53%)5770(Top 124%)
40K24.85 mi0.85 mi18162+1597069+557069+5514084(Top 55%)5580(Top 51%)5580(Top 120%)
25.2M25.20 mi0.35 mi18083+797037+327037+3213975(Top 55%)5571(Top 51%)5571(Top 120%)
Finish26.22 mi1.02 mi17924+1596982+556982+5514304(Top 56%)5636(Top 52%)5636(Top 121%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21story building
+97ft-345ft

Overall

18910

Females

7204

F18-39

7204

5K→10K

3.1 - 6.2 mi

Top 76%
×5story building
+79ft-138ft

Overall

19317

Females

7458

F18-39

7458

10K→15K

6.2 - 9.3 mi

Top 74%
×3story building
+67ft-78ft

Overall

18910

Females

7204

F18-39

7204

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

18992

Females

7264

F18-39

7264

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

19044

Females

7361

F18-39

7361

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

17093

Females

6325

F18-39

6325

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

16829

Females

6413

F18-39

6413

30K→20M

18.6 - 20.0 mi

Top 68%
×5story building
+64ft-50ft

Overall

17499

Females

6973

F18-39

6973

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

17903

Females

7280

F18-39

7280

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

19516

Females

8082

F18-39

8082

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

19067

Females

7920

F18-39

7920

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

14635

Females

5770

F18-39

5770

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14084

Females

5580

F18-39

5580

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

13975

Females

5571

F18-39

5571

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

14304

Females

5636

F18-39

5636

Passing Analysis

Category:
Athletes Passed
3484
Passed By
677
Net Change
+2807
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20731
5K → 10K75761+696#20731#20035
10K → 15K42252+370#20035#19665
15K → 20K323135+188#19665#19477
20K → Half4322+21#19477#19456
Half → 25K44921+428#19456#19028
25K → 30K50343+460#19028#18568
30K → 20M13867+71#18568#18497
20M → 21M11467+47#18497#18450
21M → 35K4472-28#18450#18478
35K → 23M116122-6#18478#18484
23M → 24M1674+163#18484#18321
24M → 40K1623+159#18321#18162
40K → 25.2M823+79#18162#18083
25.2M → Finish1645+159#18083#17924
TOTALS3484677+2807
📊

Passing Visuals

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing