Boston Marathon logo
BOSTON MARATHON 2024

Krisel Medina

Bib: 14203•F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 37%
Gender (Female)
#0 / 10924
Top 22%
Division (F18-39)
#0 / 4660
Top 37%
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
7:19/mi
22:45
↑ 97↓ 3451.5%
10K· 6.21 mi
7:17/mi
45:22
↑ 79↓ 1380.4%
15K· 9.32 mi
7:14/mi
1:07:51
↑ 67↓ 78
20K· 12.43 mi
7:23/mi
1:30:46
↑ 106↓ 860.1%
Half· 13.11 mi
7:23/mi
1:35:48
↑ 19↓ 370.5%
25K· 15.53 mi
7:30/mi
1:53:59
↑ 66↓ 880.2%
30K· 18.64 mi
8:01/mi
2:18:52
↑ 181↓ 1480.2%
20M
8:31/mi
2:30:27
↑ 64↓ 500.2%
21M
10:04/mi
2:40:31
↑ 106↓ 241.6%
35K· 21.75 mi
8:00/mi
2:46:30
↑ 17↓ 861.7%
23M
10:16/mi
2:59:21
↑ 23↓ 630.6%
24M
8:51/mi
3:08:12
↓ 821.3%
40K· 24.85 mi
9:33/mi
3:16:22
↓ 200.3%
25.2M
10:44/mi
3:20:04
↑ 13↓ 160.2%
Finish· 26.22 mi
9:26/mi
3:29:41
↑ 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
Time1:35:48
Pace7:18 /mi
2nd Half
Distance13.11 mi
Time1:53:53
Pace8:41 /mi
📊Positive Split: 18.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5622:457:1922:45
7:19
-
10K
6.21 mi11:16:3345:227:1822:37
7:17
-0:02
15K
9.32 mi11:39:021:07:517:1722:29
7:14
-0:03
20K
12.43 mi12:01:571:30:467:1822:55
7:23
+0:09
Half
13.11 mi12:06:591:35:487:185:02
7:23
0:00
25K
15.53 mi12:25:101:53:597:2018:11
7:30
+0:07
30K
18.64 mi12:50:032:18:527:2724:53
8:01
+0:31
20M
20.00 mi13:01:382:30:277:3111:35
8:31
+0:30
21M
21.00 mi13:11:422:40:317:3910:04
10:04
+1:33
35K
21.75 mi13:17:412:46:307:395:59
8:00
-2:04
23M
23.00 mi13:30:322:59:217:4812:51
10:16
+2:16
24M
24.00 mi13:39:233:08:127:518:51
8:51
-1:25
40K
24.85 mi13:47:333:16:227:548:10
9:33
+0:42
25.2M
25.20 mi13:51:153:20:047:563:42
10:44
+1:11
Finish
26.22 mi14:00:523:29:418:009:37
9:26
-1:18

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

7:14 /mi

Average Pace

8:00 /mi

Slowest Pace

10:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:48

46% of race

Time at Steady Pace

1:00:38

29% of race

Time at Slower Pace

53:15

25% of race

Average Pace: 8:00 /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 mi10:53:5622:457:1922:45
7:19
#9370
10K
6.21 mi11:16:3345:227:1822:37
7:17
#8922
15K
9.32 mi11:39:021:07:517:1722:29
7:14
#8445
20K
12.43 mi12:01:571:30:467:1822:55
7:23
#8156
Half
13.11 mi12:06:591:35:487:185:02
7:23
#8149
25K
15.53 mi12:25:101:53:597:2018:11
7:30
#7878
30K
18.64 mi12:50:032:18:527:2724:53
8:01
#7789
20M
20.00 mi13:01:382:30:277:3111:35
8:31
#7899
21M
21.00 mi13:11:422:40:317:3910:04
10:04
#8206
35K
21.75 mi13:17:412:46:307:395:59
8:00
#8138
23M
23.00 mi13:30:322:59:217:4812:51
10:16
#8711
24M
24.00 mi13:39:233:08:127:518:51
8:51
#8784
40K
24.85 mi13:47:333:16:227:548:10
9:33
#8994
25.2M
25.20 mi13:51:153:20:047:563:42
10:44
#9096
Finish
26.22 mi14:00:523:29:418:009:37
9:26
#9492
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9370173517357748(Top 30%)1169(Top 11%)1169(Top 25%)
10K6.21 mi3.10 mi8922+4481588+1471588+1478523(Top 33%)1446(Top 13%)1446(Top 31%)
15K9.32 mi3.11 mi8445+4771400+1881400+1887748(Top 30%)1169(Top 11%)1169(Top 25%)
20K12.43 mi3.11 mi8156+2891310+901310+907475(Top 29%)1176(Top 11%)1176(Top 25%)
Half13.11 mi0.68 mi8149+71307+31307+38314(Top 33%)1516(Top 14%)1516(Top 33%)
25K15.53 mi2.42 mi7878+2711248+591248+596982(Top 27%)1167(Top 11%)1167(Top 25%)
30K18.64 mi3.11 mi7789+891302-541302-547931(Top 31%)1741(Top 16%)1741(Top 37%)
20M20.00 mi1.36 mi7899-1101398-961398-969580(Top 37%)2734(Top 25%)2734(Top 59%)
21M21.00 mi1.00 mi8206-3071579-1811579-18113242(Top 52%)4907(Top 45%)4907(Top 105%)
35K21.75 mi0.75 mi8138+681581-21581-27810(Top 31%)2138(Top 20%)2138(Top 46%)
23M23.00 mi1.25 mi8711-5731907-3261907-32616330(Top 64%)6553(Top 60%)6553(Top 141%)
24M24.00 mi1.00 mi8784-731980-731980-7311379(Top 45%)4090(Top 37%)4090(Top 88%)
40K24.85 mi0.85 mi8994-2102125-1452125-14513323(Top 52%)5197(Top 48%)5197(Top 112%)
25.2M25.20 mi0.35 mi9096-1022199-742199-7413619(Top 53%)5353(Top 49%)5353(Top 115%)
Finish26.22 mi1.02 mi9492-3962416-2172416-21716245(Top 64%)6625(Top 61%)6625(Top 142%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

7748

Females

1169

F18-39

1169

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

8523

Females

1446

F18-39

1446

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

7748

Females

1169

F18-39

1169

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

7475

Females

1176

F18-39

1176

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

8314

Females

1516

F18-39

1516

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

6982

Females

1167

F18-39

1167

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

7931

Females

1741

F18-39

1741

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

9580

Females

2734

F18-39

2734

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

13242

Females

4907

F18-39

4907

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

7810

Females

2138

F18-39

2138

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

16330

Females

6553

F18-39

6553

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

11379

Females

4090

F18-39

4090

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13323

Females

5197

F18-39

5197

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

13619

Females

5353

F18-39

5353

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

16245

Females

6625

F18-39

6625

Passing Analysis

Category:
Athletes Passed
2437
Passed By
2559
Net Change
-122
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9370
5K → 10K50860+448#9370#8922
10K → 15K50932+477#8922#8445
15K → 20K33950+289#8445#8156
20K → Half2922+7#8156#8149
Half → 25K32756+271#8149#7878
25K → 30K288199+89#7878#7789
30K → 20M83193-110#7789#7899
20M → 21M57364-307#7899#8206
21M → 35K10537+68#8206#8138
35K → 23M41614-573#8138#8711
23M → 24M67140-73#8711#8784
24M → 40K46256-210#8784#8994
40K → 25.2M20122-102#8994#9096
25.2M → Finish18414-396#9096#9492
TOTALS24372559-122
📊

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing