Boston Marathon logo
BOSTON MARATHON 2024

Brittni Smith

Bib: 10564•F

IL

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 18%
Gender (Female)
#0 / 10924
Top 5%
Division (F18-39)
#0 / 4660
Top 9%
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
7:12/mi
22:21
↑ 97↓ 3451.5%
10K· 6.21 mi
7:14/mi
44:50
↑ 79↓ 1380.4%
15K· 9.32 mi
7:13/mi
1:07:15
↑ 67↓ 78
20K· 12.43 mi
7:13/mi
1:29:41
↑ 106↓ 860.1%
Half· 13.11 mi
7:07/mi
1:34:32
↑ 19↓ 370.5%
25K· 15.53 mi
7:08/mi
1:51:50
↑ 66↓ 880.2%
30K· 18.64 mi
7:15/mi
2:14:20
↑ 181↓ 1480.2%
20M
7:17/mi
2:24:14
↑ 64↓ 500.2%
21M
7:47/mi
2:32:01
↑ 106↓ 241.6%
35K· 21.75 mi
6:53/mi
2:37:10
↑ 17↓ 861.7%
23M
7:11/mi
2:46:10
↑ 23↓ 630.6%
24M
7:04/mi
2:53:14
↓ 821.3%
40K· 24.85 mi
7:14/mi
2:59:25
↓ 200.3%
25.2M
8:16/mi
3:02:16
↑ 13↓ 160.2%
Finish· 26.22 mi
7:06/mi
3:09:30
↑ 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 Half⚖️ Balanced
Distance13.11 mi
Time1:34:32
Pace7:13 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:34:58
Pace7:15 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:1722:217:1222:21
7:12
-
10K
6.21 mi11:11:4644:507:1322:29
7:14
+0:02
15K
9.32 mi11:34:111:07:157:1322:25
7:13
-0:01
20K
12.43 mi11:56:371:29:417:1322:26
7:13
0:00
Half
13.11 mi12:01:281:34:327:134:51
7:07
-0:06
25K
15.53 mi12:18:461:51:507:1217:18
7:08
+0:01
30K
18.64 mi12:41:162:14:207:1222:30
7:15
+0:07
20M
20.00 mi12:51:102:24:147:139:54
7:17
+0:02
21M
21.00 mi12:58:572:32:017:147:47
7:47
+0:30
35K
21.75 mi13:04:062:37:107:145:09
6:53
-0:54
23M
23.00 mi13:13:062:46:107:139:00
7:11
+0:18
24M
24.00 mi13:20:102:53:147:137:04
7:04
-0:07
40K
24.85 mi13:26:212:59:257:136:11
7:14
+0:10
25.2M
25.20 mi13:29:123:02:167:142:51
8:16
+1:02
Finish
26.22 mi13:36:263:09:307:147:14
7:06
-1:10

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

6:53 /mi

Average Pace

7:14 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

5:09

3% of race

Time at Steady Pace

2:53:43

92% of race

Time at Slower Pace

10:38

6% of race

Average Pace: 7:14 /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 mi10:49:1722:217:1222:21
7:12
#8381
10K
6.21 mi11:11:4644:507:1322:29
7:14
#8250
15K
9.32 mi11:34:111:07:157:1322:25
7:13
#7995
20K
12.43 mi11:56:371:29:417:1322:26
7:13
#7541
Half
13.11 mi12:01:281:34:327:134:51
7:07
#7466
25K
15.53 mi12:18:461:51:507:1217:18
7:08
#6935
30K
18.64 mi12:41:162:14:207:1222:30
7:15
#6214
20M
20.00 mi12:51:102:24:147:139:54
7:17
#5890
21M
21.00 mi12:58:572:32:017:147:47
7:47
#5602
35K
21.75 mi13:04:062:37:107:145:09
6:53
#5420
23M
23.00 mi13:13:062:46:107:139:00
7:11
#5093
24M
24.00 mi13:20:102:53:147:137:04
7:04
#4869
40K
24.85 mi13:26:212:59:257:136:11
7:14
#4700
25.2M
25.20 mi13:29:123:02:167:142:51
8:16
#4647
Finish
26.22 mi13:36:263:09:307:147:14
7:06
#4541
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8381132413247578(Top 30%)1105(Top 10%)1105(Top 24%)
10K6.21 mi3.10 mi8250+1311304+201304+208192(Top 32%)1314(Top 12%)1314(Top 28%)
15K9.32 mi3.11 mi7995+2551216+881216+887578(Top 30%)1105(Top 10%)1105(Top 24%)
20K12.43 mi3.11 mi7541+4541076+1401076+1406520(Top 26%)837(Top 8%)837(Top 18%)
Half13.11 mi0.68 mi7466+751057+191057+196439(Top 25%)797(Top 7%)797(Top 17%)
25K15.53 mi2.42 mi6935+531913+144913+1445001(Top 20%)511(Top 5%)511(Top 11%)
30K18.64 mi3.11 mi6214+721752+161752+1613967(Top 16%)368(Top 3%)368(Top 8%)
20M20.00 mi1.36 mi5890+324696+56696+563505(Top 14%)333(Top 3%)333(Top 7%)
21M21.00 mi1.00 mi5602+288642+54642+543426(Top 13%)377(Top 3%)377(Top 8%)
35K21.75 mi0.75 mi5420+182613+29613+292648(Top 10%)241(Top 2%)241(Top 5%)
23M23.00 mi1.25 mi5093+327552+61552+612558(Top 10%)252(Top 2%)252(Top 5%)
24M24.00 mi1.00 mi4869+224521+31521+312564(Top 10%)284(Top 3%)284(Top 6%)
40K24.85 mi0.85 mi4700+169507+14507+142616(Top 10%)326(Top 3%)326(Top 7%)
25.2M25.20 mi0.35 mi4647+535075073628(Top 14%)669(Top 6%)669(Top 14%)
Finish26.22 mi1.02 mi4541+106504+3504+33577(Top 14%)646(Top 6%)646(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

7578

Females

1105

F18-39

1105

5K→10K

3.1 - 6.2 mi

Top 32%
×5story building
+79ft-138ft

Overall

8192

Females

1314

F18-39

1314

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

7578

Females

1105

F18-39

1105

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

6520

Females

837

F18-39

837

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

6439

Females

797

F18-39

797

Half→25K

13.1 - 15.5 mi

Top 20%
×4story building
+66ft-88ft

Overall

5001

Females

511

F18-39

511

25K→30K

15.5 - 18.6 mi

Top 16%
×9story building
+181ft-148ft

Overall

3967

Females

368

F18-39

368

30K→20M

18.6 - 20.0 mi

Top 14%
×5story building
+64ft-50ft

Overall

3505

Females

333

F18-39

333

20M→21M

20.0 - 21.0 mi

Top 13%
×8story building
+106ft-24ft

Overall

3426

Females

377

F18-39

377

21M→35K

21.0 - 21.8 mi

Top 10%
×7story building
+17ft-86ft

Overall

2648

Females

241

F18-39

241

35K→23M

21.8 - 23.0 mi

Top 10%
×5story building
+23ft-63ft

Overall

2558

Females

252

F18-39

252

23M→24M

23.0 - 24.0 mi

Top 10%
×6story building
+12ft-82ft

Overall

2564

Females

284

F18-39

284

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2616

Females

326

F18-39

326

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3628

Females

669

F18-39

669

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2story building
+22ft-21ft

Overall

3577

Females

646

F18-39

646

Passing Analysis

Category:
Athletes Passed
4114
Passed By
274
Net Change
+3840
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8381
5K → 10K290159+131#8381#8250
10K → 15K31863+255#8250#7995
15K → 20K4617+454#7995#7541
20K → Half805+75#7541#7466
Half → 25K5343+531#7466#6935
25K → 30K7254+721#6935#6214
30K → 20M3251+324#6214#5890
20M → 21M2913+288#5890#5602
21M → 35K1820+182#5602#5420
35K → 23M3292+327#5420#5093
23M → 24M2284+224#5093#4869
24M → 40K1701+169#4869#4700
40K → 25.2M6310+53#4700#4647
25.2M → Finish11812+106#4647#4541
TOTALS4114274+3840
📊

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