Boston Marathon logo
BOSTON MARATHON 2023

Emily Hoffman

Bib: 29066•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:32
Rank: #23807
Start → 5K
31:32 | 10:09/mi
10K· 6.21 mi
1:03:03
Rank: #23956 (-149)
5K → 10K
31:31 | 10:09/mi
15K· 9.32 mi
1:33:45
Rank: #23722 (+234)
10K → 15K
30:42 | 9:53/mi
20K· 12.43 mi
2:04:53
Rank: #23537 (+185)
15K → 20K
31:08 | 10:01/mi
Half· 13.11 mi
2:11:28
Rank: #23477 (+60)
20K → Half
6:35 | 9:39/mi
25K· 15.53 mi
2:36:18
Rank: #23343 (+134)
Half → 25K
24:50 | 10:15/mi
30K· 18.64 mi
3:09:14
Rank: #23152 (+191)
25K → 30K
32:56 | 10:36/mi
20M
3:23:23
Rank: #23021 (+131)
30K → 20M
14:09 | 10:25/mi
21M
3:34:28
Rank: #22907 (+114)
20M → 21M
11:05 | 11:05/mi
35K· 21.75 mi
3:42:29
Rank: #22895 (+12)
21M → 35K
8:01 | 10:43/mi
23M
3:56:35
Rank: #22893 (+2)
35K → 23M
14:06 | 11:16/mi
24M
4:07:51
Rank: #22917 (-24)
23M → 24M
11:16 | 11:16/mi
40K· 24.85 mi
4:17:52
Rank: #22938 (-21)
24M → 40K
10:01 | 11:43/mi
25.2M
4:22:24
Rank: #22958 (-20)
40K → 25.2M
4:32 | 13:09/mi
Finish· 26.22 mi
4:33:10
Rank: #22974 (-16)
25.2M → Finish
10:46 | 10:34/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
Time2:11:28
Pace10:02 /mi
2nd Half
Distance13.11 mi
Time2:21:42
Pace10:49 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:1031:3210:0931:32
10:09
-
10K
6.21 mi12:25:411:03:0310:0931:31
10:09
0:00
15K
9.32 mi12:56:231:33:4510:0430:42
9:53
-0:16
20K
12.43 mi13:27:312:04:5310:0331:08
10:01
+0:08
Half
13.11 mi13:34:062:11:2810:026:35
9:39
-0:22
25K
15.53 mi13:58:562:36:1810:0424:50
10:15
+0:36
30K
18.64 mi14:31:523:09:1410:0932:56
10:36
+0:21
20M
20.00 mi14:46:013:23:2310:1014:09
10:25
-0:11
21M
21.00 mi14:57:063:34:2810:1311:05
11:05
+0:40
35K
21.75 mi15:05:073:42:2910:148:01
10:43
-0:22
23M
23.00 mi15:19:133:56:3510:1714:06
11:16
+0:33
24M
24.00 mi15:30:294:07:5110:2011:16
11:16
0:00
40K
24.85 mi15:40:304:17:5210:2210:01
11:43
+0:27
25.2M
25.20 mi15:45:024:22:2410:254:32
13:09
+1:26
Finish
26.22 mi15:55:484:33:1010:2610:46
10:34
-2:35

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

9:39 /mi

Average Pace

10:26 /mi

Slowest Pace

13:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:08:25

25% of race

Time at Steady Pace

2:33:45

56% of race

Time at Slower Pace

51:00

19% of race

Average Pace: 10:25 /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 mi11:54:1031:3210:0931:32
10:09
#23807
10K
6.21 mi12:25:411:03:0310:0931:31
10:09
#23956
15K
9.32 mi12:56:231:33:4510:0430:42
9:53
#23722
20K
12.43 mi13:27:312:04:5310:0331:08
10:01
#23537
Half
13.11 mi13:34:062:11:2810:026:35
9:39
#23477
25K
15.53 mi13:58:562:36:1810:0424:50
10:15
#23343
30K
18.64 mi14:31:523:09:1410:0932:56
10:36
#23152
20M
20.00 mi14:46:013:23:2310:1014:09
10:25
#23021
21M
21.00 mi14:57:063:34:2810:1311:05
11:05
#22907
35K
21.75 mi15:05:073:42:2910:148:01
10:43
#22895
23M
23.00 mi15:19:133:56:3510:1714:06
11:16
#22893
24M
24.00 mi15:30:294:07:5110:2011:16
11:16
#22917
40K
24.85 mi15:40:304:17:5210:2210:01
11:43
#22938
25.2M
25.20 mi15:45:024:22:2410:254:32
13:09
#22958
Finish
26.22 mi15:55:484:33:1010:2610:46
10:34
#22974
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi238079793979323261(Top 87%)9477(Top 83%)9477(Top 194%)
10K6.21 mi3.10 mi23956-1499868-759868-7524005(Top 90%)9888(Top 87%)9888(Top 202%)
15K9.32 mi3.11 mi23722+2349739+1299739+12923261(Top 87%)9477(Top 83%)9477(Top 194%)
20K12.43 mi3.11 mi23537+1859630+1099630+10922967(Top 86%)9338(Top 82%)9338(Top 191%)
Half13.11 mi0.68 mi23477+609595+359595+3522543(Top 85%)9106(Top 80%)9106(Top 186%)
25K15.53 mi2.42 mi23343+1349538+579538+5722724(Top 85%)9232(Top 81%)9232(Top 189%)
30K18.64 mi3.11 mi23152+1919465+739465+7322417(Top 84%)9135(Top 80%)9135(Top 187%)
20M20.00 mi1.36 mi23021+1319410+559410+5521553(Top 81%)8731(Top 76%)8731(Top 179%)
21M21.00 mi1.00 mi22907+1149359+519359+5121011(Top 79%)8470(Top 74%)8470(Top 173%)
35K21.75 mi0.75 mi22895+129359935922779(Top 86%)9471(Top 83%)9471(Top 194%)
23M23.00 mi1.25 mi22893+29372-139372-1322838(Top 86%)9505(Top 83%)9505(Top 195%)
24M24.00 mi1.00 mi22917-249391-199391-1923539(Top 88%)9914(Top 87%)9914(Top 203%)
40K24.85 mi0.85 mi22938-219410-199410-1923531(Top 88%)9958(Top 87%)9958(Top 204%)
25.2M25.20 mi0.35 mi22958-209420-109420-1024148(Top 91%)10253(Top 90%)10253(Top 210%)
Finish26.22 mi1.02 mi22974-169435-159435-1523148(Top 87%)9718(Top 85%)9718(Top 199%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21stories
+97ft-345ft

Overall

23261

Females

9477

F18-39

9477

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

24005

Females

9888

F18-39

9888

10K→15K

6.2 - 9.3 mi

Top 87%
×3stories
+67ft-78ft

Overall

23261

Females

9477

F18-39

9477

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

22967

Females

9338

F18-39

9338

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

22543

Females

9106

F18-39

9106

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

22724

Females

9232

F18-39

9232

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

22417

Females

9135

F18-39

9135

30K→20M

18.6 - 20.0 mi

Top 81%
×5stories
+64ft-50ft

Overall

21553

Females

8731

F18-39

8731

20M→21M

20.0 - 21.0 mi

Top 79%
×8stories
+106ft-24ft

Overall

21011

Females

8470

F18-39

8470

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

22779

Females

9471

F18-39

9471

35K→23M

21.8 - 23.0 mi

Top 86%
×5stories
+23ft-63ft

Overall

22838

Females

9505

F18-39

9505

23M→24M

23.0 - 24.0 mi

Top 88%
×6stories
+12ft-82ft

Overall

23539

Females

9914

F18-39

9914

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23531

Females

9958

F18-39

9958

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

24148

Females

10253

F18-39

10253

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

23148

Females

9718

F18-39

9718

Passing Analysis

Category:
Athletes Passed
1501
Passed By
668
Net Change
+833
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23807
5K → 10K124273-149#23807#23956
10K → 15K26026+234#23956#23722
15K → 20K22540+185#23722#23537
20K → Half622+60#23537#23477
Half → 25K15824+134#23477#23343
25K → 30K23948+191#23343#23152
30K → 20M1387+131#23152#23021
20M → 21M1173+114#23021#22907
21M → 35K3119+12#22907#22895
35K → 23M4745+2#22895#22893
23M → 24M3458-24#22893#22917
24M → 40K3152-21#22917#22938
40K → 25.2M323-20#22938#22958
25.2M → Finish3248-16#22958#22974
TOTALS1501668+833
📊

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