Boston Marathon logo
BOSTON MARATHON 2023

Erin Fisher

Bib: 24908•F

CT

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
Top 49%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:04
Rank: #16825
Start → 5K
26:04 | 8:23/mi
10K· 6.21 mi
52:06
Rank: #17114 (-289)
5K → 10K
26:02 | 8:23/mi
15K· 9.32 mi
1:18:34
Rank: #17393 (-279)
10K → 15K
26:28 | 8:31/mi
20K· 12.43 mi
1:45:23
Rank: #17432 (-39)
15K → 20K
26:49 | 8:38/mi
Half· 13.11 mi
1:51:19
Rank: #17507 (-75)
20K → Half
5:56 | 8:42/mi
25K· 15.53 mi
2:12:45
Rank: #17606 (-99)
Half → 25K
21:26 | 8:50/mi
30K· 18.64 mi
2:41:27
Rank: #17722 (-116)
25K → 30K
28:42 | 9:14/mi
20M
2:54:14
Rank: #17792 (-70)
30K → 20M
12:47 | 9:24/mi
21M
3:04:21
Rank: #17858 (-66)
20M → 21M
10:07 | 10:07/mi
35K· 21.75 mi
3:11:15
Rank: #17909 (-51)
21M → 35K
6:54 | 9:13/mi
23M
3:23:38
Rank: #18071 (-162)
35K → 23M
12:23 | 9:53/mi
24M
3:33:10
Rank: #18157 (-86)
23M → 24M
9:32 | 9:32/mi
40K· 24.85 mi
3:41:22
Rank: #18182 (-25)
24M → 40K
8:12 | 9:35/mi
25.2M
3:44:53
Rank: #18192 (-10)
40K → 25.2M
3:31 | 10:12/mi
Finish· 26.22 mi
3:53:41
Rank: #18123 (+69)
25.2M → Finish
8:48 | 8:38/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
Time1:51:19
Pace8:29 /mi
2nd Half
Distance13.11 mi
Time2:02:22
Pace9:20 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:1326:048:2326:04
8:23
-
10K
6.21 mi12:07:1552:068:2326:02
8:23
0:00
15K
9.32 mi12:33:431:18:348:2626:28
8:31
+0:08
20K
12.43 mi13:00:321:45:238:2926:49
8:38
+0:07
Half
13.11 mi13:06:281:51:198:295:56
8:42
+0:04
25K
15.53 mi13:27:542:12:458:3321:26
8:50
+0:08
30K
18.64 mi13:56:362:41:278:4028:42
9:14
+0:24
20M
20.00 mi14:09:232:54:148:4312:47
9:24
+0:10
21M
21.00 mi14:19:303:04:218:4710:07
10:07
+0:43
35K
21.75 mi14:26:243:11:158:486:54
9:13
-0:54
23M
23.00 mi14:38:473:23:388:5112:23
9:53
+0:40
24M
24.00 mi14:48:193:33:108:539:32
9:32
-0:21
40K
24.85 mi14:56:313:41:228:548:12
9:35
+0:03
25.2M
25.20 mi15:00:023:44:538:553:31
10:12
+0:37
Finish
26.22 mi15:08:503:53:418:558:48
8:38
-1:34

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

8:23 /mi

Average Pace

8:55 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:33

61% of race

Time at Steady Pace

48:23

21% of race

Time at Slower Pace

43:45

19% of race

Average Pace: 8:55 /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 mi11:41:1326:048:2326:04
8:23
#16825
10K
6.21 mi12:07:1552:068:2326:02
8:23
#17114
15K
9.32 mi12:33:431:18:348:2626:28
8:31
#17393
20K
12.43 mi13:00:321:45:238:2926:49
8:38
#17432
Half
13.11 mi13:06:281:51:198:295:56
8:42
#17507
25K
15.53 mi13:27:542:12:458:3321:26
8:50
#17606
30K
18.64 mi13:56:362:41:278:4028:42
9:14
#17722
20M
20.00 mi14:09:232:54:148:4312:47
9:24
#17792
21M
21.00 mi14:19:303:04:218:4710:07
10:07
#17858
35K
21.75 mi14:26:243:11:158:486:54
9:13
#17909
23M
23.00 mi14:38:473:23:388:5112:23
9:53
#18071
24M
24.00 mi14:48:193:33:108:539:32
9:32
#18157
40K
24.85 mi14:56:313:41:228:548:12
9:35
#18182
25.2M
25.20 mi15:00:023:44:538:553:31
10:12
#18192
Finish
26.22 mi15:08:503:53:418:558:48
8:38
#18123
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi168255815581517946(Top 67%)6463(Top 57%)6463(Top 535%)
10K6.21 mi3.10 mi17114-2895997-1825997-18217469(Top 66%)6167(Top 54%)6167(Top 511%)
15K9.32 mi3.11 mi17393-2796152-1556152-15517946(Top 67%)6463(Top 57%)6463(Top 535%)
20K12.43 mi3.11 mi17432-396180-286180-2817702(Top 66%)6347(Top 56%)6347(Top 526%)
Half13.11 mi0.68 mi17507-756228-486228-4818952(Top 71%)7051(Top 62%)7051(Top 584%)
25K15.53 mi2.42 mi17606-996300-726300-7218184(Top 68%)6656(Top 58%)6656(Top 551%)
30K18.64 mi3.11 mi17722-1166388-886388-8818343(Top 69%)6833(Top 60%)6833(Top 566%)
20M20.00 mi1.36 mi17792-706455-676455-6718491(Top 69%)7021(Top 61%)7021(Top 582%)
21M21.00 mi1.00 mi17858-666507-526507-5218469(Top 69%)7037(Top 62%)7037(Top 583%)
35K21.75 mi0.75 mi17909-516543-366543-3618848(Top 71%)7302(Top 64%)7302(Top 605%)
23M23.00 mi1.25 mi18071-1626654-1116654-11119672(Top 74%)7779(Top 68%)7779(Top 644%)
24M24.00 mi1.00 mi18157-866720-666720-6619340(Top 73%)7630(Top 67%)7630(Top 632%)
40K24.85 mi0.85 mi18182-256745-256745-2518666(Top 70%)7307(Top 64%)7307(Top 605%)
25.2M25.20 mi0.35 mi18192-106754-96754-918147(Top 68%)7027(Top 62%)7027(Top 582%)
Finish26.22 mi1.02 mi18123+696723+316723+3116201(Top 61%)5943(Top 52%)5943(Top 492%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

17946

Females

6463

F50-54

6463

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

17469

Females

6167

F50-54

6167

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

17946

Females

6463

F50-54

6463

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

17702

Females

6347

F50-54

6347

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

18952

Females

7051

F50-54

7051

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

18184

Females

6656

F50-54

6656

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

18343

Females

6833

F50-54

6833

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

18491

Females

7021

F50-54

7021

20M→21M

20.0 - 21.0 mi

Top 69%
×8stories
+106ft-24ft

Overall

18469

Females

7037

F50-54

7037

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

18848

Females

7302

F50-54

7302

35K→23M

21.8 - 23.0 mi

Top 74%
×5stories
+23ft-63ft

Overall

19672

Females

7779

F50-54

7779

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

19340

Females

7630

F50-54

7630

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18666

Females

7307

F50-54

7307

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18147

Females

7027

F50-54

7027

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

16201

Females

5943

F50-54

5943

Passing Analysis

Category:
Athletes Passed
1070
Passed By
2368
Net Change
-1298
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16825
5K → 10K189478-289#16825#17114
10K → 15K97376-279#17114#17393
15K → 20K152191-39#17393#17432
20K → Half1388-75#17432#17507
Half → 25K86185-99#17507#17606
25K → 30K143259-116#17606#17722
30K → 20M68138-70#17722#17792
20M → 21M61127-66#17792#17858
21M → 35K3283-51#17858#17909
35K → 23M43205-162#17909#18071
23M → 24M33119-86#18071#18157
24M → 40K3964-25#18157#18182
40K → 25.2M2030-10#18182#18192
25.2M → Finish9425+69#18192#18123
TOTALS10702368-1298
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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