Boston Marathon logo
BOSTON MARATHON 2023

Megan Wallace

Bib: 13042•F

CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 32%
Gender (Female)
#0 / 11423
Top 13%
Division (F18-39)
#0 / 4884
Top 24%
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
7:32/mi
23:25
↑ 97↓ 3451.5%
10K· 6.21 mi
7:42/mi
47:20
↑ 79↓ 1380.4%
15K· 9.32 mi
7:19/mi
1:10:05
↑ 67↓ 78
20K· 12.43 mi
7:38/mi
1:33:49
↑ 106↓ 860.1%
Half· 13.11 mi
7:18/mi
1:38:48
↑ 19↓ 370.5%
25K· 15.53 mi
7:28/mi
1:56:55
↑ 66↓ 880.2%
30K· 18.64 mi
7:30/mi
2:20:13
↑ 181↓ 1480.2%
20M
7:33/mi
2:30:28
↑ 64↓ 500.2%
21M
7:52/mi
2:38:20
↑ 106↓ 241.6%
35K· 21.75 mi
7:37/mi
2:44:02
↑ 17↓ 861.7%
23M
7:35/mi
2:53:32
↑ 23↓ 630.6%
24M
7:24/mi
3:00:56
↓ 821.3%
40K· 24.85 mi
7:36/mi
3:07:26
↓ 200.3%
25.2M
8:13/mi
3:10:16
↑ 13↓ 160.2%
Finish· 26.22 mi
7:26/mi
3:17:51
↑ 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
Time1:38:48
Pace7:32 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:39:03
Pace7:33 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3023:257:3223:25
7:32
-
10K
6.21 mi11:15:2547:207:3723:55
7:42
+0:10
15K
9.32 mi11:38:101:10:057:3122:45
7:19
-0:23
20K
12.43 mi12:01:541:33:497:3323:44
7:38
+0:19
Half
13.11 mi12:06:531:38:487:324:59
7:18
-0:20
25K
15.53 mi12:25:001:56:557:3218:07
7:28
+0:10
30K
18.64 mi12:48:182:20:137:3123:18
7:30
+0:02
20M
20.00 mi12:58:332:30:287:3110:15
7:33
+0:03
21M
21.00 mi13:06:252:38:207:327:52
7:52
+0:19
35K
21.75 mi13:12:072:44:027:335:42
7:37
-0:15
23M
23.00 mi13:21:372:53:327:339:30
7:35
-0:02
24M
24.00 mi13:29:013:00:567:327:24
7:24
-0:11
40K
24.85 mi13:35:313:07:267:326:30
7:36
+0:12
25.2M
25.20 mi13:38:213:10:167:332:50
8:13
+0:37
Finish
26.22 mi13:45:563:17:517:337:35
7:26
-0:47

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

7:18 /mi

Average Pace

7:33 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:01

99% of race

Time at Steady Pace

2:50

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:33 /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 mi10:51:3023:257:3223:25
7:32
#9970
10K
6.21 mi11:15:2547:207:3723:55
7:42
#11079
15K
9.32 mi11:38:101:10:057:3122:45
7:19
#10233
20K
12.43 mi12:01:541:33:497:3323:44
7:38
#10270
Half
13.11 mi12:06:531:38:487:324:59
7:18
#10166
25K
15.53 mi12:25:001:56:557:3218:07
7:28
#9870
30K
18.64 mi12:48:182:20:137:3123:18
7:30
#9332
20M
20.00 mi12:58:332:30:287:3110:15
7:33
#9136
21M
21.00 mi13:06:252:38:207:327:52
7:52
#8957
35K
21.75 mi13:12:072:44:027:335:42
7:37
#8959
23M
23.00 mi13:21:372:53:327:339:30
7:35
#8818
24M
24.00 mi13:29:013:00:567:327:24
7:24
#8712
40K
24.85 mi13:35:313:07:267:326:30
7:36
#8634
25.2M
25.20 mi13:38:213:10:167:332:50
8:13
#8610
Finish
26.22 mi13:45:563:17:517:337:35
7:26
#8573
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9970184518458759(Top 33%)1349(Top 12%)1349(Top 28%)
10K6.21 mi3.10 mi11079-11092364-5192364-51912222(Top 46%)2991(Top 26%)2991(Top 61%)
15K9.32 mi3.11 mi10233+8461927+4371927+4378759(Top 33%)1349(Top 12%)1349(Top 28%)
20K12.43 mi3.11 mi10270-371959-321959-3210416(Top 39%)2097(Top 18%)2097(Top 43%)
Half13.11 mi0.68 mi10166+1041917+421917+428709(Top 33%)1369(Top 12%)1369(Top 28%)
25K15.53 mi2.42 mi9870+2961792+1251792+1258588(Top 32%)1379(Top 12%)1379(Top 28%)
30K18.64 mi3.11 mi9332+5381620+1721620+1727228(Top 27%)1011(Top 9%)1011(Top 21%)
20M20.00 mi1.36 mi9136+1961561+591561+597121(Top 27%)1071(Top 9%)1071(Top 22%)
21M21.00 mi1.00 mi8957+1791513+481513+486584(Top 25%)981(Top 9%)981(Top 20%)
35K21.75 mi0.75 mi8959-21524-111524-119421(Top 35%)2098(Top 18%)2098(Top 43%)
23M23.00 mi1.25 mi8818+1411498+261498+267025(Top 26%)1186(Top 10%)1186(Top 24%)
24M24.00 mi1.00 mi8712+1061474+241474+247092(Top 27%)1321(Top 12%)1321(Top 27%)
40K24.85 mi0.85 mi8634+781463+111463+117369(Top 28%)1508(Top 13%)1508(Top 31%)
25.2M25.20 mi0.35 mi8610+241461+21461+27841(Top 29%)1753(Top 15%)1753(Top 36%)
Finish26.22 mi1.02 mi8573+371470-91470-98115(Top 30%)1879(Top 16%)1879(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

8759

Females

1349

F18-39

1349

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

12222

Females

2991

F18-39

2991

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

8759

Females

1349

F18-39

1349

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

10416

Females

2097

F18-39

2097

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

8709

Females

1369

F18-39

1369

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

8588

Females

1379

F18-39

1379

25K→30K

15.5 - 18.6 mi

Top 27%
×9story building
+181ft-148ft

Overall

7228

Females

1011

F18-39

1011

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7121

Females

1071

F18-39

1071

20M→21M

20.0 - 21.0 mi

Top 25%
×8story building
+106ft-24ft

Overall

6584

Females

981

F18-39

981

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9421

Females

2098

F18-39

2098

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

7025

Females

1186

F18-39

1186

23M→24M

23.0 - 24.0 mi

Top 27%
×6story building
+12ft-82ft

Overall

7092

Females

1321

F18-39

1321

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7369

Females

1508

F18-39

1508

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7841

Females

1753

F18-39

1753

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

8115

Females

1879

F18-39

1879

Passing Analysis

Category:
Athletes Passed
2933*
Passed By
1534
Net Change
+1397
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9970
5K → 10K451152-1109#9970#11079
10K → 15K86014+846#11079#10233
15K → 20K140*177-37#10233#10270
20K → Half1084+104#10270#10166
Half → 25K312*16+296#10166#9870
25K → 30K544*6+538#9870#9332
30K → 20M2048+196#9332#9136
20M → 21M1878+179#9136#8957
21M → 35K4547-2#8957#8959
35K → 23M16019+141#8959#8818
23M → 24M11711+106#8818#8712
24M → 40K10022+78#8712#8634
40K → 25.2M3511+24#8634#8610
25.2M → Finish7639+37#8610#8573
TOTALS2933*1534+1397

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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