Boston Marathon logo
BOSTON MARATHON 2023

Rachel Morris

Bib: 10929•F

WA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 24%
Gender (Female)
#0 / 11423
Top 7%
Division (F18-39)
#0 / 4884
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:02
Rank: #6836
Start → 5K
22:02 | 7:06/mi
10K· 6.21 mi
43:45
Rank: #6747 (+89)
5K → 10K
21:43 | 6:59/mi
15K· 9.32 mi
1:05:09
Rank: #6453 (+294)
10K → 15K
21:24 | 6:53/mi
20K· 12.43 mi
1:26:38
Rank: #6169 (+284)
15K → 20K
21:29 | 6:55/mi
Half· 13.11 mi
1:31:24
Rank: #6193 (-24)
20K → Half
4:46 | 6:59/mi
25K· 15.53 mi
1:49:03
Rank: #6350 (-157)
Half → 25K
17:39 | 7:17/mi
30K· 18.64 mi
2:12:18
Rank: #6391 (-41)
25K → 30K
23:15 | 7:29/mi
20M
2:22:27
Rank: #6366 (+25)
30K → 20M
10:09 | 7:28/mi
21M
2:30:29
Rank: #6367 (-1)
20M → 21M
8:02 | 8:02/mi
35K· 21.75 mi
2:36:03
Rank: #6402 (-35)
21M → 35K
5:34 | 7:26/mi
23M
2:45:23
Rank: #6349 (+53)
35K → 23M
9:20 | 7:27/mi
24M
2:53:38
Rank: #6556 (-207)
23M → 24M
8:15 | 8:15/mi
40K· 24.85 mi
3:00:24
Rank: #6573 (-17)
24M → 40K
6:46 | 7:55/mi
25.2M
3:03:09
Rank: #6558 (+15)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
3:10:28
Rank: #6517 (+41)
25.2M → Finish
7:19 | 7:11/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
Time1:31:24
Pace6:58 /mi
2nd Half
Distance13.11 mi
Time1:39:04
Pace7:33 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3422:027:0622:02
7:06
-
10K
6.21 mi11:10:1743:457:0221:43
6:59
-0:07
15K
9.32 mi11:31:411:05:096:5921:24
6:53
-0:06
20K
12.43 mi11:53:101:26:386:5821:29
6:55
+0:02
Half
13.11 mi11:57:561:31:246:584:46
6:59
+0:04
25K
15.53 mi12:15:351:49:037:0117:39
7:17
+0:18
30K
18.64 mi12:38:502:12:187:0623:15
7:29
+0:12
20M
20.00 mi12:48:592:22:277:0710:09
7:28
-0:01
21M
21.00 mi12:57:012:30:297:108:02
8:02
+0:34
35K
21.75 mi13:02:352:36:037:115:34
7:26
-0:36
23M
23.00 mi13:11:552:45:237:119:20
7:27
+0:01
24M
24.00 mi13:20:102:53:387:148:15
8:15
+0:48
40K
24.85 mi13:26:563:00:247:156:46
7:55
-0:20
25.2M
25.20 mi13:29:413:03:097:162:45
7:58
+0:03
Finish
26.22 mi13:37:003:10:287:167:19
7:11
-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

6:53 /mi

Average Pace

7:16 /mi

Slowest Pace

8:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:40

86% of race

Time at Steady Pace

17:33

9% of race

Time at Slower Pace

8:15

4% of race

Average Pace: 7:16 /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 mi10:48:3422:027:0622:02
7:06
#6836
10K
6.21 mi11:10:1743:457:0221:43
6:59
#6747
15K
9.32 mi11:31:411:05:096:5921:24
6:53
#6453
20K
12.43 mi11:53:101:26:386:5821:29
6:55
#6169
Half
13.11 mi11:57:561:31:246:584:46
6:59
#6193
25K
15.53 mi12:15:351:49:037:0117:39
7:17
#6350
30K
18.64 mi12:38:502:12:187:0623:15
7:29
#6391
20M
20.00 mi12:48:592:22:277:0710:09
7:28
#6366
21M
21.00 mi12:57:012:30:297:108:02
8:02
#6367
35K
21.75 mi13:02:352:36:037:115:34
7:26
#6402
23M
23.00 mi13:11:552:45:237:119:20
7:27
#6349
24M
24.00 mi13:20:102:53:387:148:15
8:15
#6556
40K
24.85 mi13:26:563:00:247:156:46
7:55
#6573
25.2M
25.20 mi13:29:413:03:097:162:45
7:58
#6558
Finish
26.22 mi13:37:003:10:287:167:19
7:11
#6517
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi68366776775900(Top 22%)513(Top 4%)513(Top 11%)
10K6.21 mi3.10 mi6747+89664+13664+136771(Top 25%)695(Top 6%)695(Top 14%)
15K9.32 mi3.11 mi6453+294614+50614+505900(Top 22%)513(Top 4%)513(Top 11%)
20K12.43 mi3.11 mi6169+284555+59555+595461(Top 21%)423(Top 4%)423(Top 9%)
Half13.11 mi0.68 mi6193-24554+1554+16515(Top 24%)638(Top 6%)638(Top 13%)
25K15.53 mi2.42 mi6350-157602-48602-487168(Top 27%)892(Top 8%)892(Top 18%)
30K18.64 mi3.11 mi6391-41623-21623-217113(Top 27%)960(Top 8%)960(Top 20%)
20M20.00 mi1.36 mi6366+25631-8631-86601(Top 25%)880(Top 8%)880(Top 18%)
21M21.00 mi1.00 mi6367-1639-8639-87563(Top 28%)1329(Top 12%)1329(Top 27%)
35K21.75 mi0.75 mi6402-35655-16655-168110(Top 30%)1528(Top 13%)1528(Top 31%)
23M23.00 mi1.25 mi6349+53657-2657-26187(Top 23%)873(Top 8%)873(Top 18%)
24M24.00 mi1.00 mi6556-207726-69726-6912940(Top 49%)4092(Top 36%)4092(Top 84%)
40K24.85 mi0.85 mi6573-17753-27753-279448(Top 35%)2363(Top 21%)2363(Top 48%)
25.2M25.20 mi0.35 mi6558+15751+2751+26394(Top 24%)1178(Top 10%)1178(Top 24%)
Finish26.22 mi1.02 mi6517+41753-2753-26305(Top 24%)1162(Top 10%)1162(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

5900

Females

513

F18-39

513

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

6771

Females

695

F18-39

695

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

5900

Females

513

F18-39

513

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5461

Females

423

F18-39

423

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6515

Females

638

F18-39

638

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7168

Females

892

F18-39

892

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7113

Females

960

F18-39

960

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

6601

Females

880

F18-39

880

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7563

Females

1329

F18-39

1329

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

8110

Females

1528

F18-39

1528

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

6187

Females

873

F18-39

873

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

12940

Females

4092

F18-39

4092

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9448

Females

2363

F18-39

2363

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6394

Females

1178

F18-39

1178

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6305

Females

1162

F18-39

1162

Passing Analysis

Category:
Athletes Passed
1422
Passed By
1103
Net Change
+319
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6836
5K → 10K246157+89#6836#6747
10K → 15K31824+294#6747#6453
15K → 20K2906+284#6453#6169
20K → Half1236-24#6169#6193
Half → 25K38195-157#6193#6350
25K → 30K107148-41#6350#6391
30K → 20M7146+25#6391#6366
20M → 21M5859-1#6366#6367
21M → 35K2661-35#6367#6402
35K → 23M8936+53#6402#6349
23M → 24M14221-207#6349#6556
24M → 40K5067-17#6556#6573
40K → 25.2M2813+15#6573#6558
25.2M → Finish7534+41#6558#6517
TOTALS14221103+319
📊

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