Boston Marathon logo
BOSTON MARATHON 2023

Giselle Magaña

Bib: 14350•F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 24%
Gender (Female)
#0 / 11423
Top 6%
Division (F18-39)
#0 / 4884
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
7:21/mi
22:49
↑ 97↓ 3451.5%
10K· 6.21 mi
7:23/mi
45:45
↑ 79↓ 1380.4%
15K· 9.32 mi
7:23/mi
1:08:42
↑ 67↓ 78
20K· 12.43 mi
7:22/mi
1:31:35
↑ 106↓ 860.1%
Half· 13.11 mi
7:15/mi
1:36:32
↑ 19↓ 370.5%
25K· 15.53 mi
7:09/mi
1:53:52
↑ 66↓ 880.2%
30K· 18.64 mi
7:17/mi
2:16:31
↑ 181↓ 1480.2%
20M
7:15/mi
2:26:22
↑ 64↓ 500.2%
21M
7:40/mi
2:34:02
↑ 106↓ 241.6%
35K· 21.75 mi
6:52/mi
2:39:10
↑ 17↓ 861.7%
23M
6:56/mi
2:47:51
↑ 23↓ 630.6%
24M
6:40/mi
2:54:31
↓ 821.3%
40K· 24.85 mi
6:47/mi
3:00:19
↓ 200.3%
25.2M
7:24/mi
3:02:52
↑ 13↓ 160.2%
Finish· 26.22 mi
6:50/mi
3:09:50
↑ 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
Distance13.11 mi
Time1:36:32
Pace7:22 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:33:18
Pace7:07 /mi
📊Negative Split: 3.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3122:497:2122:49
7:21
-
10K
6.21 mi11:14:2745:457:2222:56
7:23
+0:02
15K
9.32 mi11:37:241:08:427:2222:57
7:23
0:00
20K
12.43 mi12:00:171:31:357:2222:53
7:22
-0:01
Half
13.11 mi12:05:141:36:327:224:57
7:15
-0:07
25K
15.53 mi12:22:341:53:527:2017:20
7:09
-0:06
30K
18.64 mi12:45:132:16:317:1922:39
7:17
+0:08
20M
20.00 mi12:55:042:26:227:199:51
7:15
-0:02
21M
21.00 mi13:02:442:34:027:207:40
7:40
+0:25
35K
21.75 mi13:07:522:39:107:195:08
6:52
-0:48
23M
23.00 mi13:16:332:47:517:188:41
6:56
+0:04
24M
24.00 mi13:23:132:54:317:166:40
6:40
-0:16
40K
24.85 mi13:29:013:00:197:155:48
6:47
+0:07
25.2M
25.20 mi13:31:343:02:527:152:33
7:24
+0:37
Finish
26.22 mi13:38:323:09:507:156:58
6:50
-0:34

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

6:40 /mi

Average Pace

7:15 /mi

Slowest Pace

7:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:02

46% of race

Time at Steady Pace

1:41:48

54% of race

Time at Slower Pace

0:00

0% 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 mi10:51:3122:497:2122:49
7:21
#8417
10K
6.21 mi11:14:2745:457:2222:56
7:23
#8914
15K
9.32 mi11:37:241:08:427:2222:57
7:23
#8986
20K
12.43 mi12:00:171:31:357:2222:53
7:22
#8764
Half
13.11 mi12:05:141:36:327:224:57
7:15
#8739
25K
15.53 mi12:22:341:53:527:2017:20
7:09
#8311
30K
18.64 mi12:45:132:16:317:1922:39
7:17
#7807
20M
20.00 mi12:55:042:26:227:199:51
7:15
#7574
21M
21.00 mi13:02:442:34:027:207:40
7:40
#7431
35K
21.75 mi13:07:522:39:107:195:08
6:52
#7296
23M
23.00 mi13:16:332:47:517:188:41
6:56
#6981
24M
24.00 mi13:23:132:54:317:166:40
6:40
#6767
40K
24.85 mi13:29:013:00:197:155:48
6:47
#6552
25.2M
25.20 mi13:31:343:02:527:152:33
7:24
#6480
Finish
26.22 mi13:38:323:09:507:156:58
6:50
#6394
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8417115811589233(Top 35%)1528(Top 13%)1528(Top 31%)
10K6.21 mi3.10 mi8914-4971375-2171375-2179462(Top 36%)1609(Top 14%)1609(Top 33%)
15K9.32 mi3.11 mi8986-721419-441419-449233(Top 35%)1528(Top 13%)1528(Top 31%)
20K12.43 mi3.11 mi8764+2221335+841335+848265(Top 31%)1200(Top 11%)1200(Top 25%)
Half13.11 mi0.68 mi8739+251332+31332+38272(Top 31%)1177(Top 10%)1177(Top 24%)
25K15.53 mi2.42 mi8311+4281191+1411191+1416394(Top 24%)669(Top 6%)669(Top 14%)
30K18.64 mi3.11 mi7807+5041048+1431048+1435978(Top 22%)623(Top 5%)623(Top 13%)
20M20.00 mi1.36 mi7574+233985+63985+635393(Top 20%)550(Top 5%)550(Top 11%)
21M21.00 mi1.00 mi7431+143955+30955+305474(Top 21%)656(Top 6%)656(Top 13%)
35K21.75 mi0.75 mi7296+135915+40915+404617(Top 17%)424(Top 4%)424(Top 9%)
23M23.00 mi1.25 mi6981+315838+77838+773478(Top 13%)257(Top 2%)257(Top 5%)
24M24.00 mi1.00 mi6767+214784+54784+542971(Top 11%)214(Top 2%)214(Top 4%)
40K24.85 mi0.85 mi6552+215741+43741+432790(Top 10%)225(Top 2%)225(Top 5%)
25.2M25.20 mi0.35 mi6480+72726+15726+153486(Top 13%)349(Top 3%)349(Top 7%)
Finish26.22 mi1.02 mi6394+86707+19707+194307(Top 16%)532(Top 5%)532(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

9233

Females

1528

F18-39

1528

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9462

Females

1609

F18-39

1609

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

9233

Females

1528

F18-39

1528

15K→20K

9.3 - 12.4 mi

Top 31%
×5story building
+106ft-86ft

Overall

8265

Females

1200

F18-39

1200

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

8272

Females

1177

F18-39

1177

Half→25K

13.1 - 15.5 mi

Top 24%
×4story building
+66ft-88ft

Overall

6394

Females

669

F18-39

669

25K→30K

15.5 - 18.6 mi

Top 22%
×9story building
+181ft-148ft

Overall

5978

Females

623

F18-39

623

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5393

Females

550

F18-39

550

20M→21M

20.0 - 21.0 mi

Top 21%
×8story building
+106ft-24ft

Overall

5474

Females

656

F18-39

656

21M→35K

21.0 - 21.8 mi

Top 17%
×7story building
+17ft-86ft

Overall

4617

Females

424

F18-39

424

35K→23M

21.8 - 23.0 mi

Top 13%
×5story building
+23ft-63ft

Overall

3478

Females

257

F18-39

257

23M→24M

23.0 - 24.0 mi

Top 11%
×6story building
+12ft-82ft

Overall

2971

Females

214

F18-39

214

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2790

Females

225

F18-39

225

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3486

Females

349

F18-39

349

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2story building
+22ft-21ft

Overall

4307

Females

532

F18-39

532

Passing Analysis

Category:
Athletes Passed
2879
Passed By
856
Net Change
+2023
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8417
5K → 10K99596-497#8417#8914
10K → 15K114186-72#8914#8986
15K → 20K25230+222#8986#8764
20K → Half349+25#8764#8739
Half → 25K4280+428#8739#8311
25K → 30K5073+504#8311#7807
30K → 20M2352+233#7807#7574
20M → 21M15411+143#7574#7431
21M → 35K1361+135#7431#7296
35K → 23M3172+315#7296#6981
23M → 24M2140+214#6981#6767
24M → 40K2150+215#6767#6552
40K → 25.2M742+72#6552#6480
25.2M → Finish10014+86#6480#6394
TOTALS2879856+2023
📊

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