Boston Marathon logo
BOSTON MARATHON 2024

Alexandra Macdonald

Bib: 9297•F

BC

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 12%
Gender (Female)
#0 / 10924
Top 2%
Division (F18-39)
#0 / 4660
Top 4%
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
6:54/mi
21:26
↑ 97↓ 3451.5%
10K· 6.21 mi
6:53/mi
42:48
↑ 79↓ 1380.4%
15K· 9.32 mi
6:53/mi
1:04:10
↑ 67↓ 78
20K· 12.43 mi
6:53/mi
1:25:34
↑ 106↓ 860.1%
Half· 13.11 mi
6:34/mi
1:30:03
↑ 19↓ 370.5%
25K· 15.53 mi
6:52/mi
1:46:43
↑ 66↓ 880.2%
30K· 18.64 mi
6:55/mi
2:08:11
↑ 181↓ 1480.2%
20M
7:00/mi
2:17:42
↑ 64↓ 500.2%
21M
7:26/mi
2:25:08
↑ 106↓ 241.6%
35K· 21.75 mi
6:37/mi
2:30:05
↑ 17↓ 861.7%
23M
6:51/mi
2:38:40
↑ 23↓ 630.6%
24M
6:45/mi
2:45:25
↓ 821.3%
40K· 24.85 mi
6:54/mi
2:51:19
↓ 200.3%
25.2M
7:44/mi
2:53:59
↑ 13↓ 160.2%
Finish· 26.22 mi
6:55/mi
3:01:02
↑ 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
Time1:30:03
Pace6:52 /mi
2nd Half
Distance13.11 mi
Time1:30:59
Pace6:56 /mi
📊Positive Split: 1.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:0321:266:5421:26
6:54
-
10K
6.21 mi11:08:2542:486:5321:22
6:53
-0:01
15K
9.32 mi11:29:471:04:106:5321:22
6:53
0:00
20K
12.43 mi11:51:111:25:346:5321:24
6:53
0:00
Half
13.11 mi11:55:401:30:036:524:29
6:34
-0:19
25K
15.53 mi12:12:201:46:436:5216:40
6:52
+0:18
30K
18.64 mi12:33:482:08:116:5321:28
6:55
+0:03
20M
20.00 mi12:43:192:17:426:539:31
7:00
+0:05
21M
21.00 mi12:50:452:25:086:557:26
7:26
+0:26
35K
21.75 mi12:55:422:30:056:544:57
6:37
-0:49
23M
23.00 mi13:04:172:38:406:548:35
6:51
+0:14
24M
24.00 mi13:11:022:45:256:546:45
6:45
-0:06
40K
24.85 mi13:16:562:51:196:545:54
6:54
+0:09
25.2M
25.20 mi13:19:362:53:596:542:40
7:44
+0:50
Finish
26.22 mi13:26:393:01:026:557:03
6:55
-0:49

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

6:34 /mi

Average Pace

6:55 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:56

94% of race

Time at Steady Pace

10:06

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:54 /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 mi10:47:0321:266:5421:26
6:54
#6365
10K
6.21 mi11:08:2542:486:5321:22
6:53
#6085
15K
9.32 mi11:29:471:04:106:5321:22
6:53
#5840
20K
12.43 mi11:51:111:25:346:5321:24
6:53
#5461
Half
13.11 mi11:55:401:30:036:524:29
6:34
#5316
25K
15.53 mi12:12:201:46:436:5216:40
6:52
#4904
30K
18.64 mi12:33:482:08:116:5321:28
6:55
#4264
20M
20.00 mi12:43:192:17:426:539:31
7:00
#3990
21M
21.00 mi12:50:452:25:086:557:26
7:26
#3782
35K
21.75 mi12:55:422:30:056:544:57
6:37
#3641
23M
23.00 mi13:04:172:38:406:548:35
6:51
#3395
24M
24.00 mi13:11:022:45:256:546:45
6:45
#3244
40K
24.85 mi13:16:562:51:196:545:54
6:54
#3144
25.2M
25.20 mi13:19:362:53:596:542:40
7:44
#3096
Finish
26.22 mi13:26:393:01:026:557:03
6:55
#3046
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi63656436435411(Top 21%)459(Top 4%)459(Top 10%)
10K6.21 mi3.10 mi6085+280580+63580+635842(Top 23%)536(Top 5%)536(Top 12%)
15K9.32 mi3.11 mi5840+245527+53527+535411(Top 21%)459(Top 4%)459(Top 10%)
20K12.43 mi3.11 mi5461+379465+62465+624555(Top 18%)343(Top 3%)343(Top 7%)
Half13.11 mi0.68 mi5316+145434+31434+313067(Top 12%)146(Top 1%)146(Top 3%)
25K15.53 mi2.42 mi4904+412375+59375+593653(Top 14%)246(Top 2%)246(Top 5%)
30K18.64 mi3.11 mi4264+640293+82293+822426(Top 9%)139(Top 1%)139(Top 3%)
20M20.00 mi1.36 mi3990+274266+27266+272396(Top 9%)159(Top 1%)159(Top 3%)
21M21.00 mi1.00 mi3782+208251+15251+152316(Top 9%)182(Top 2%)182(Top 4%)
35K21.75 mi0.75 mi3641+141241+10241+101640(Top 6%)108(Top 1.0%)108(Top 2%)
23M23.00 mi1.25 mi3395+246225+16225+161480(Top 6%)92(Top 0.8%)92(Top 2%)
24M24.00 mi1.00 mi3244+151214+11214+111552(Top 6%)117(Top 1%)117(Top 3%)
40K24.85 mi0.85 mi3144+100209+5209+51616(Top 6%)136(Top 1%)136(Top 3%)
25.2M25.20 mi0.35 mi3096+48205+4205+42035(Top 8%)228(Top 2%)228(Top 5%)
Finish26.22 mi1.02 mi3046+50208-3208-32812(Top 11%)419(Top 4%)419(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21story building
+97ft-345ft

Overall

5411

Females

459

F18-39

459

5K→10K

3.1 - 6.2 mi

Top 23%
×5story building
+79ft-138ft

Overall

5842

Females

536

F18-39

536

10K→15K

6.2 - 9.3 mi

Top 21%
×3story building
+67ft-78ft

Overall

5411

Females

459

F18-39

459

15K→20K

9.3 - 12.4 mi

Top 18%
×5story building
+106ft-86ft

Overall

4555

Females

343

F18-39

343

20K→Half

12.4 - 13.1 mi

Top 12%
×2story building
+19ft-37ft

Overall

3067

Females

146

F18-39

146

Half→25K

13.1 - 15.5 mi

Top 14%
×4story building
+66ft-88ft

Overall

3653

Females

246

F18-39

246

25K→30K

15.5 - 18.6 mi

Top 9%
×9story building
+181ft-148ft

Overall

2426

Females

139

F18-39

139

30K→20M

18.6 - 20.0 mi

Top 9%
×5story building
+64ft-50ft

Overall

2396

Females

159

F18-39

159

20M→21M

20.0 - 21.0 mi

Top 9%
×8story building
+106ft-24ft

Overall

2316

Females

182

F18-39

182

21M→35K

21.0 - 21.8 mi

Top 6%
×7story building
+17ft-86ft

Overall

1640

Females

108

F18-39

108

35K→23M

21.8 - 23.0 mi

Top 6%
×5story building
+23ft-63ft

Overall

1480

Females

92

F18-39

92

23M→24M

23.0 - 24.0 mi

Top 6%
×6story building
+12ft-82ft

Overall

1552

Females

117

F18-39

117

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1616

Females

136

F18-39

136

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2035

Females

228

F18-39

228

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

2812

Females

419

F18-39

419

Passing Analysis

Category:
Athletes Passed
3505
Passed By
186
Net Change
+3319
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6365
5K → 10K35070+280#6365#6085
10K → 15K27833+245#6085#5840
15K → 20K40122+379#5840#5461
20K → Half1450+145#5461#5316
Half → 25K42210+412#5316#4904
25K → 30K6422+640#4904#4264
30K → 20M2773+274#4264#3990
20M → 21M2135+208#3990#3782
21M → 35K1421+141#3782#3641
35K → 23M2460+246#3641#3395
23M → 24M1565+151#3395#3244
24M → 40K1099+100#3244#3144
40K → 25.2M535+48#3144#3096
25.2M → Finish7121+50#3096#3046
TOTALS3505186+3319
📊

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