Boston Marathon logo
BOSTON MARATHON 2023

Heidi Bryant

Bib: 20514•F

UT

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

Start
0:00:00
Race begins
5K· 3.11 mi
26:53
Rank: #18597
Start → 5K
26:53 | 8:39/mi
10K· 6.21 mi
53:19
Rank: #18418 (+179)
5K → 10K
26:26 | 8:30/mi
15K· 9.32 mi
1:19:57
Rank: #18351 (+67)
10K → 15K
26:38 | 8:34/mi
20K· 12.43 mi
1:47:20
Rank: #18430 (-79)
15K → 20K
27:23 | 8:49/mi
Half· 13.11 mi
1:53:19
Rank: #18476 (-46)
20K → Half
5:59 | 8:46/mi
25K· 15.53 mi
2:15:09
Rank: #18581 (-105)
Half → 25K
21:50 | 9:00/mi
30K· 18.64 mi
2:44:38
Rank: #18747 (-166)
25K → 30K
29:29 | 9:29/mi
20M
2:57:28
Rank: #18747
30K → 20M
12:50 | 9:27/mi
21M
3:07:37
Rank: #18715 (+32)
20M → 21M
10:09 | 10:09/mi
35K· 21.75 mi
3:14:34
Rank: #18736 (-21)
21M → 35K
6:57 | 9:17/mi
23M
3:26:33
Rank: #18729 (+7)
35K → 23M
11:59 | 9:34/mi
24M
3:35:53
Rank: #18723 (+6)
23M → 24M
9:20 | 9:20/mi
40K· 24.85 mi
3:43:44
Rank: #18674 (+49)
24M → 40K
7:51 | 9:11/mi
25.2M
3:47:09
Rank: #18644 (+30)
40K → 25.2M
3:25 | 9:54/mi
Finish· 26.22 mi
3:56:19
Rank: #18627 (+17)
25.2M → Finish
9:10 | 9:00/mi

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
Time1:53:19
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time2:03:00
Pace9:23 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:2926:538:3926:53
8:39
-
10K
6.21 mi11:45:5553:198:3526:26
8:30
-0:09
15K
9.32 mi12:12:331:19:578:3526:38
8:34
+0:04
20K
12.43 mi12:39:561:47:208:3827:23
8:49
+0:15
Half
13.11 mi12:45:551:53:198:395:59
8:46
-0:03
25K
15.53 mi13:07:452:15:098:4221:50
9:00
+0:14
30K
18.64 mi13:37:142:44:388:5029:29
9:29
+0:29
20M
20.00 mi13:50:042:57:288:5212:50
9:27
-0:02
21M
21.00 mi14:00:133:07:378:5610:09
10:09
+0:42
35K
21.75 mi14:07:103:14:348:576:57
9:17
-0:52
23M
23.00 mi14:19:093:26:338:5911:59
9:34
+0:17
24M
24.00 mi14:28:293:35:539:009:20
9:20
-0:14
40K
24.85 mi14:36:203:43:449:007:51
9:11
-0:09
25.2M
25.20 mi14:39:453:47:099:013:25
9:54
+0:43
Finish
26.22 mi14:48:553:56:199:019:10
9:00
-0:54

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

8:30 /mi

Average Pace

9:01 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:27

71% of race

Time at Steady Pace

57:43

24% of race

Time at Slower Pace

10:09

4% of race

Average Pace: 9:01 /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 mi11:19:2926:538:3926:53
8:39
#18597
10K
6.21 mi11:45:5553:198:3526:26
8:30
#18418
15K
9.32 mi12:12:331:19:578:3526:38
8:34
#18351
20K
12.43 mi12:39:561:47:208:3827:23
8:49
#18430
Half
13.11 mi12:45:551:53:198:395:59
8:46
#18476
25K
15.53 mi13:07:452:15:098:4221:50
9:00
#18581
30K
18.64 mi13:37:142:44:388:5029:29
9:29
#18747
20M
20.00 mi13:50:042:57:288:5212:50
9:27
#18747
21M
21.00 mi14:00:133:07:378:5610:09
10:09
#18715
35K
21.75 mi14:07:103:14:348:576:57
9:17
#18736
23M
23.00 mi14:19:093:26:338:5911:59
9:34
#18729
24M
24.00 mi14:28:293:35:539:009:20
9:20
#18723
40K
24.85 mi14:36:203:43:449:007:51
9:11
#18674
25.2M
25.20 mi14:39:453:47:099:013:25
9:54
#18644
Finish
26.22 mi14:48:553:56:199:019:10
9:00
#18627
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi185976933693318285(Top 69%)6667(Top 58%)6667(Top 355%)
10K6.21 mi3.10 mi18418+1796774+1596774+15918319(Top 69%)6671(Top 58%)6671(Top 355%)
15K9.32 mi3.11 mi18351+676719+556719+5518285(Top 69%)6667(Top 58%)6667(Top 355%)
20K12.43 mi3.11 mi18430-796767-486767-4818773(Top 71%)6951(Top 61%)6951(Top 370%)
Half13.11 mi0.68 mi18476-466792-256792-2519364(Top 73%)7297(Top 64%)7297(Top 389%)
25K15.53 mi2.42 mi18581-1056880-886880-8818984(Top 71%)7120(Top 62%)7120(Top 379%)
30K18.64 mi3.11 mi18747-1667000-1207000-12019403(Top 73%)7417(Top 65%)7417(Top 395%)
20M20.00 mi1.36 mi187477007-77007-718650(Top 70%)7108(Top 62%)7108(Top 378%)
21M21.00 mi1.00 mi18715+326997+106997+1018556(Top 70%)7084(Top 62%)7084(Top 377%)
35K21.75 mi0.75 mi18736-217019-227019-2219121(Top 72%)7451(Top 65%)7451(Top 397%)
23M23.00 mi1.25 mi18729+77035-167035-1618617(Top 70%)7194(Top 63%)7194(Top 383%)
24M24.00 mi1.00 mi18723+67039-47039-418612(Top 70%)7229(Top 63%)7229(Top 385%)
40K24.85 mi0.85 mi18674+497021+187021+1817056(Top 64%)6441(Top 56%)6441(Top 343%)
25.2M25.20 mi0.35 mi18644+307014+77014+717080(Top 64%)6472(Top 57%)6472(Top 345%)
Finish26.22 mi1.02 mi18627+177009+57009+517972(Top 68%)6898(Top 60%)6898(Top 367%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

18285

Females

6667

F40-44

6667

5K→10K

3.1 - 6.2 mi

Top 69%
×5stories
+79ft-138ft

Overall

18319

Females

6671

F40-44

6671

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

18285

Females

6667

F40-44

6667

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

18773

Females

6951

F40-44

6951

20K→Half

12.4 - 13.1 mi

Top 73%
×2stories
+19ft-37ft

Overall

19364

Females

7297

F40-44

7297

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

18984

Females

7120

F40-44

7120

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

19403

Females

7417

F40-44

7417

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

18650

Females

7108

F40-44

7108

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

18556

Females

7084

F40-44

7084

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

19121

Females

7451

F40-44

7451

35K→23M

21.8 - 23.0 mi

Top 70%
×5stories
+23ft-63ft

Overall

18617

Females

7194

F40-44

7194

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

18612

Females

7229

F40-44

7229

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

17056

Females

6441

F40-44

6441

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

17080

Females

6472

F40-44

6472

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

17972

Females

6898

F40-44

6898

Passing Analysis

Category:
Athletes Passed
1563
Passed By
1593
Net Change
-30
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18597
5K → 10K437258+179#18597#18418
10K → 15K219152+67#18418#18351
15K → 20K128207-79#18351#18430
20K → Half1965-46#18430#18476
Half → 25K99204-105#18476#18581
25K → 30K118284-166#18581#18747
30K → 20M84840#18747#18747
20M → 21M10270+32#18747#18715
21M → 35K4162-21#18715#18736
35K → 23M8376+7#18736#18729
23M → 24M6054+6#18729#18723
24M → 40K6819+49#18723#18674
40K → 25.2M4717+30#18674#18644
25.2M → Finish5841+17#18644#18627
TOTALS15631593-30
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing