Boston Marathon logo
BOSTON MARATHON 2023

Andrea Braun

Bib: 31305•F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
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
9:33/mi
29:40
↑ 97↓ 3451.5%
10K· 6.21 mi
9:11/mi
58:12
↑ 79↓ 1380.4%
15K· 9.32 mi
9:26/mi
1:27:32
↑ 67↓ 78
20K· 12.43 mi
9:36/mi
1:57:22
↑ 106↓ 860.1%
Half· 13.11 mi
9:33/mi
2:03:53
↑ 19↓ 370.5%
25K· 15.53 mi
9:46/mi
2:27:33
↑ 66↓ 880.2%
30K· 18.64 mi
9:59/mi
2:58:33
↑ 181↓ 1480.2%
20M
9:47/mi
3:11:51
↑ 64↓ 500.2%
21M
10:51/mi
3:22:42
↑ 106↓ 241.6%
35K· 21.75 mi
9:32/mi
3:29:50
↑ 17↓ 861.7%
23M
9:57/mi
3:42:18
↑ 23↓ 630.6%
24M
10:00/mi
3:52:18
↓ 821.3%
40K· 24.85 mi
10:01/mi
4:00:52
↓ 200.3%
25.2M
10:26/mi
4:04:28
↑ 13↓ 160.2%
Finish· 26.22 mi
9:17/mi
4:13:56
↑ 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
Time2:03:53
Pace9:27 /mi
2nd Half
Distance13.11 mi
Time2:10:03
Pace9:55 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:4029:409:3329:40
9:33
-
10K
6.21 mi12:18:1258:129:2228:32
9:11
-0:22
15K
9.32 mi12:47:321:27:329:2329:20
9:26
+0:15
20K
12.43 mi13:17:221:57:229:2729:50
9:36
+0:10
Half
13.11 mi13:23:532:03:539:276:31
9:33
-0:03
25K
15.53 mi13:47:332:27:339:3023:40
9:46
+0:13
30K
18.64 mi14:18:332:58:339:3531:00
9:59
+0:13
20M
20.00 mi14:31:513:11:519:3613:18
9:47
-0:12
21M
21.00 mi14:42:423:22:429:3910:51
10:51
+1:04
35K
21.75 mi14:49:503:29:509:397:08
9:32
-1:19
23M
23.00 mi15:02:183:42:189:4012:28
9:57
+0:25
24M
24.00 mi15:12:183:52:189:4110:00
10:00
+0:03
40K
24.85 mi15:20:524:00:529:418:34
10:01
+0:01
25.2M
25.20 mi15:24:284:04:289:423:36
10:26
+0:25
Finish
26.22 mi15:33:564:13:569:429:28
9:17
-1:09

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

9:11 /mi

Average Pace

9:42 /mi

Slowest Pace

10:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:59:29

94% of race

Time at Steady Pace

3:36

1% of race

Time at Slower Pace

10:51

4% of race

Average Pace: 9:41 /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 mi11:49:4029:409:3329:40
9:33
#22240
10K
6.21 mi12:18:1258:129:2228:32
9:11
#21940
15K
9.32 mi12:47:321:27:329:2329:20
9:26
#21961
20K
12.43 mi13:17:221:57:229:2729:50
9:36
#21929
Half
13.11 mi13:23:532:03:539:276:31
9:33
#21938
25K
15.53 mi13:47:332:27:339:3023:40
9:46
#21887
30K
18.64 mi14:18:332:58:339:3531:00
9:59
#21688
20M
20.00 mi14:31:513:11:519:3613:18
9:47
#21574
21M
21.00 mi14:42:423:22:429:3910:51
10:51
#21510
35K
21.75 mi14:49:503:29:509:397:08
9:32
#21453
23M
23.00 mi15:02:183:42:189:4012:28
9:57
#21341
24M
24.00 mi15:12:183:52:189:4110:00
10:00
#21303
40K
24.85 mi15:20:524:00:529:418:34
10:01
#21246
25.2M
25.20 mi15:24:284:04:289:423:36
10:26
#21202
Finish
26.22 mi15:33:564:13:569:429:28
9:17
#21142
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi222408995899522085(Top 83%)8837(Top 77%)8837(Top 471%)
10K6.21 mi3.10 mi21940+3008819+1768819+17621582(Top 81%)8592(Top 75%)8592(Top 458%)
15K9.32 mi3.11 mi21961-218817+28817+222085(Top 83%)8837(Top 77%)8837(Top 471%)
20K12.43 mi3.11 mi21929+328793+248793+2421870(Top 82%)8723(Top 76%)8723(Top 464%)
Half13.11 mi0.68 mi21938-98794-18794-122268(Top 84%)8922(Top 78%)8922(Top 475%)
25K15.53 mi2.42 mi21887+518762+328762+3221644(Top 81%)8637(Top 76%)8637(Top 460%)
30K18.64 mi3.11 mi21688+1998661+1018661+10120984(Top 79%)8334(Top 73%)8334(Top 444%)
20M20.00 mi1.36 mi21574+1148607+548607+5419828(Top 74%)7766(Top 68%)7766(Top 414%)
21M21.00 mi1.00 mi21510+648586+218586+2120509(Top 77%)8197(Top 72%)8197(Top 436%)
35K21.75 mi0.75 mi21453+578562+248562+2419988(Top 75%)7932(Top 69%)7932(Top 422%)
23M23.00 mi1.25 mi21341+1128517+458517+4519880(Top 75%)7896(Top 69%)7896(Top 420%)
24M24.00 mi1.00 mi21303+388510+78510+720794(Top 78%)8431(Top 74%)8431(Top 449%)
40K24.85 mi0.85 mi21246+578486+248486+2420036(Top 75%)8078(Top 71%)8078(Top 430%)
25.2M25.20 mi0.35 mi21202+448464+228464+2218959(Top 71%)7500(Top 66%)7500(Top 399%)
Finish26.22 mi1.02 mi21142+608447+178447+1719349(Top 73%)7649(Top 67%)7649(Top 407%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

22085

Females

8837

F40-44

8837

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

21582

Females

8592

F40-44

8592

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

22085

Females

8837

F40-44

8837

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

21870

Females

8723

F40-44

8723

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

22268

Females

8922

F40-44

8922

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

21644

Females

8637

F40-44

8637

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

20984

Females

8334

F40-44

8334

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

19828

Females

7766

F40-44

7766

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

20509

Females

8197

F40-44

8197

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

19988

Females

7932

F40-44

7932

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

19880

Females

7896

F40-44

7896

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

20794

Females

8431

F40-44

8431

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

20036

Females

8078

F40-44

8078

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18959

Females

7500

F40-44

7500

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

19349

Females

7649

F40-44

7649

Passing Analysis

Category:
Athletes Passed
1808
Passed By
710
Net Change
+1098
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22240
5K → 10K438138+300#22240#21940
10K → 15K163184-21#21940#21961
15K → 20K147115+32#21961#21929
20K → Half2130-9#21929#21938
Half → 25K12877+51#21938#21887
25K → 30K24647+199#21887#21688
30K → 20M1184+114#21688#21574
20M → 21M9834+64#21574#21510
21M → 35K658+57#21510#21453
35K → 23M12513+112#21453#21341
23M → 24M6426+38#21341#21303
24M → 40K7417+57#21303#21246
40K → 25.2M473+44#21246#21202
25.2M → Finish7414+60#21202#21142
TOTALS1808710+1098
📊

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