Boston Marathon logo
BOSTON MARATHON 2023

Erin Reichert

Bib: 20788•F

IL

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
27:28
Rank: #19694
Start → 5K
8:50/mi
27:28 split
10K· 6.21 mi
55:47
Rank: #20552 (-858)
5K → 10K
9:07/mi
28:19 split
15K· 9.32 mi
1:24:08
Rank: #20696 (-144)
10K → 15K
9:07/mi
28:21 split
20K· 12.43 mi
1:53:37
Rank: #20963 (-267)
15K → 20K
9:29/mi
29:29 split
Half· 13.11 mi
2:00:03
Rank: #21030 (-67)
20K → Half
9:26/mi
6:26 split
25K· 15.53 mi
2:23:39
Rank: #21112 (-82)
Half → 25K
9:44/mi
23:36 split
30K· 18.64 mi
2:55:46
Rank: #21258 (-146)
25K → 30K
10:20/mi
32:07 split
20M
3:09:43
Rank: #21235 (+23)
30K → 20M
10:16/mi
13:57 split
21M
3:21:09
Rank: #21279 (-44)
20M → 21M
11:26/mi
11:26 split
35K· 21.75 mi
3:28:42
Rank: #21288 (-9)
21M → 35K
10:06/mi
7:33 split
23M
3:40:52
Rank: #21139 (+149)
35K → 23M
9:43/mi
12:10 split
24M
3:50:48
Rank: #21093 (+46)
23M → 24M
9:56/mi
9:56 split
40K· 24.85 mi
3:59:34
Rank: #21076 (+17)
24M → 40K
10:15/mi
8:46 split
25.2M
4:03:12
Rank: #21051 (+25)
40K → 25.2M
10:32/mi
3:38 split
Finish· 26.22 mi
4:12:47
Rank: #20998 (+53)
25.2M → Finish
9:24/mi
9:35 split

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
Time2:00:03
Pace9:09 /mi
2nd Half
Distance13.11 mi
Time2:12:44
Pace10:08 /mi
📊Positive Split: 10.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:4627:288:5027:28
8:50
-
10K
6.21 mi11:48:0555:478:5928:19
9:07
+0:17
15K
9.32 mi12:16:261:24:089:0228:21
9:07
0:00
20K
12.43 mi12:45:551:53:379:0929:29
9:29
+0:22
Half
13.11 mi12:52:212:00:039:096:26
9:26
-0:03
25K
15.53 mi13:15:572:23:399:1523:36
9:44
+0:18
30K
18.64 mi13:48:042:55:469:2632:07
10:20
+0:36
20M
20.00 mi14:02:013:09:439:2913:57
10:16
-0:04
21M
21.00 mi14:13:273:21:099:3511:26
11:26
+1:10
35K
21.75 mi14:21:003:28:429:367:33
10:06
-1:20
23M
23.00 mi14:33:103:40:529:3612:10
9:43
-0:23
24M
24.00 mi14:43:063:50:489:379:56
9:56
+0:13
40K
24.85 mi14:51:523:59:349:388:46
10:15
+0:19
25.2M
25.20 mi14:55:304:03:129:393:38
10:32
+0:17
Finish
26.22 mi15:05:054:12:479:399:35
9:24
-1:08

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

8:50 /mi

Average Pace

9:39 /mi

Slowest Pace

11:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:43

37% of race

Time at Steady Pace

1:21:37

32% of race

Time at Slower Pace

1:17:27

31% of race

Average Pace: 9:38 /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 mi11:19:4627:288:5027:28
8:50
#19694
10K
6.21 mi11:48:0555:478:5928:19
9:07
#20552
15K
9.32 mi12:16:261:24:089:0228:21
9:07
#20696
20K
12.43 mi12:45:551:53:379:0929:29
9:29
#20963
Half
13.11 mi12:52:212:00:039:096:26
9:26
#21030
25K
15.53 mi13:15:572:23:399:1523:36
9:44
#21112
30K
18.64 mi13:48:042:55:469:2632:07
10:20
#21258
20M
20.00 mi14:02:013:09:439:2913:57
10:16
#21235
21M
21.00 mi14:13:273:21:099:3511:26
11:26
#21279
35K
21.75 mi14:21:003:28:429:367:33
10:06
#21288
23M
23.00 mi14:33:103:40:529:3612:10
9:43
#21139
24M
24.00 mi14:43:063:50:489:379:56
9:56
#21093
40K
24.85 mi14:51:523:59:349:388:46
10:15
#21076
25.2M
25.20 mi14:55:304:03:129:393:38
10:32
#21051
Finish
26.22 mi15:05:054:12:479:399:35
9:24
#20998
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi196947636763621048(Top 79%)8262(Top 72%)8262(Top 440%)
10K6.21 mi3.10 mi20552-8588066-4308066-43021337(Top 80%)8462(Top 74%)8462(Top 451%)
15K9.32 mi3.11 mi20696-1448122-568122-5621048(Top 79%)8262(Top 72%)8262(Top 440%)
20K12.43 mi3.11 mi20963-2678250-1288250-12821528(Top 81%)8537(Top 75%)8537(Top 455%)
Half13.11 mi0.68 mi21030-678286-368286-3621922(Top 82%)8737(Top 76%)8737(Top 465%)
25K15.53 mi2.42 mi21112-828332-468332-4621566(Top 81%)8596(Top 75%)8596(Top 458%)
30K18.64 mi3.11 mi21258-1468426-948426-9421858(Top 82%)8821(Top 77%)8821(Top 470%)
20M20.00 mi1.36 mi21235+238437-118437-1121188(Top 80%)8511(Top 75%)8511(Top 453%)
21M21.00 mi1.00 mi21279-448468-318468-3121765(Top 82%)8864(Top 78%)8864(Top 472%)
35K21.75 mi0.75 mi21288-98475-78475-721540(Top 81%)8792(Top 77%)8792(Top 468%)
23M23.00 mi1.25 mi21139+1498410+658410+6519160(Top 72%)7508(Top 66%)7508(Top 400%)
24M24.00 mi1.00 mi21093+468399+118399+1120606(Top 77%)8329(Top 73%)8329(Top 444%)
40K24.85 mi0.85 mi21076+178401-28401-220635(Top 78%)8407(Top 74%)8407(Top 448%)
25.2M25.20 mi0.35 mi21051+258393+88393+819267(Top 72%)7662(Top 67%)7662(Top 408%)
Finish26.22 mi1.02 mi20998+538372+218372+2119796(Top 74%)7891(Top 69%)7891(Top 420%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

21048

Females

8262

F40-44

8262

5K→10K

3.1 - 6.2 mi

Top 80%
×5stories
+79ft-138ft

Overall

21337

Females

8462

F40-44

8462

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

21048

Females

8262

F40-44

8262

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

21528

Females

8537

F40-44

8537

20K→Half

12.4 - 13.1 mi

Top 82%
×2stories
+19ft-37ft

Overall

21922

Females

8737

F40-44

8737

Half→25K

13.1 - 15.5 mi

Top 81%
×4stories
+66ft-88ft

Overall

21566

Females

8596

F40-44

8596

25K→30K

15.5 - 18.6 mi

Top 82%
×9stories
+181ft-148ft

Overall

21858

Females

8821

F40-44

8821

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

21188

Females

8511

F40-44

8511

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

21765

Females

8864

F40-44

8864

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

21540

Females

8792

F40-44

8792

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

19160

Females

7508

F40-44

7508

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

20606

Females

8329

F40-44

8329

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20635

Females

8407

F40-44

8407

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19267

Females

7662

F40-44

7662

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2stories
+22ft-21ft

Overall

19796

Females

7891

F40-44

7891

Passing Analysis

Category:
Athletes Passed
960
Passed By
2264
Net Change
-1304
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19694
5K → 10K65923-858#19694#20552
10K → 15K119263-144#20552#20696
15K → 20K81348-267#20696#20963
20K → Half1178-67#20963#21030
Half → 25K69151-82#21030#21112
25K → 30K83229-146#21112#21258
30K → 20M8259+23#21258#21235
20M → 21M4791-44#21235#21279
21M → 35K2534-9#21279#21288
35K → 23M1567+149#21288#21139
23M → 24M6721+46#21139#21093
24M → 40K5437+17#21093#21076
40K → 25.2M316+25#21076#21051
25.2M → Finish7017+53#21051#20998
TOTALS9602264-1304
📊

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