Boston Marathon logo
BOSTON MARATHON 2023

Haley Alam

Bib: 10940•F

FL

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 35%
Gender (Female)
#0 / 11423
Top 15%
Masters (Masters Women)
#0 / 6539
Top 6%
Division (F40-44)
#0 / 1878
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:14
Rank: #9455
Start → 5K
23:14 | 7:29/mi
10K· 6.21 mi
45:40
Rank: #8813 (+642)
5K → 10K
22:26 | 7:13/mi
15K· 9.32 mi
1:08:12
Rank: #8590 (+223)
10K → 15K
22:32 | 7:15/mi
20K· 12.43 mi
1:31:05
Rank: #8469 (+121)
15K → 20K
22:53 | 7:22/mi
Half· 13.11 mi
1:35:55
Rank: #8384 (+85)
20K → Half
4:50 | 7:05/mi
25K· 15.53 mi
1:53:39
Rank: #8193 (+191)
Half → 25K
17:44 | 7:19/mi
30K· 18.64 mi
2:17:30
Rank: #8196 (-3)
25K → 30K
23:51 | 7:41/mi
20M
2:28:14
Rank: #8257 (-61)
30K → 20M
10:44 | 7:54/mi
21M
2:36:49
Rank: #8411 (-154)
20M → 21M
8:35 | 8:35/mi
35K· 21.75 mi
2:42:52
Rank: #8550 (-139)
21M → 35K
6:03 | 8:05/mi
23M
2:53:32
Rank: #8819 (-269)
35K → 23M
10:40 | 8:31/mi
24M
3:01:49
Rank: #8990 (-171)
23M → 24M
8:17 | 8:17/mi
40K· 24.85 mi
3:08:55
Rank: #9074 (-84)
24M → 40K
7:06 | 8:18/mi
25.2M
3:11:58
Rank: #9114 (-40)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:20:14
Rank: #9257 (-143)
25.2M → Finish
8:16 | 8:07/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
Time1:35:55
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:44:19
Pace7:57 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:4023:147:2923:14
7:29
-
10K
6.21 mi11:12:0645:407:2122:26
7:13
-0:16
15K
9.32 mi11:34:381:08:127:1922:32
7:15
+0:02
20K
12.43 mi11:57:311:31:057:2022:53
7:22
+0:07
Half
13.11 mi12:02:211:35:557:194:50
7:05
-0:17
25K
15.53 mi12:20:051:53:397:1917:44
7:19
+0:14
30K
18.64 mi12:43:562:17:307:2323:51
7:41
+0:22
20M
20.00 mi12:54:402:28:147:2510:44
7:54
+0:13
21M
21.00 mi13:03:152:36:497:288:35
8:35
+0:41
35K
21.75 mi13:09:182:42:527:296:03
8:05
-0:30
23M
23.00 mi13:19:582:53:327:3310:40
8:31
+0:26
24M
24.00 mi13:28:153:01:497:358:17
8:17
-0:14
40K
24.85 mi13:35:213:08:557:367:06
8:18
+0:01
25.2M
25.20 mi13:38:243:11:587:373:03
8:51
+0:33
Finish
26.22 mi13:46:403:20:147:398:16
8:07
-0:44

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

7:05 /mi

Average Pace

7:39 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:39

57% of race

Time at Steady Pace

48:54

24% of race

Time at Slower Pace

37:41

19% of race

Average Pace: 7:38 /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 mi10:49:4023:147:2923:14
7:29
#9455
10K
6.21 mi11:12:0645:407:2122:26
7:13
#8813
15K
9.32 mi11:34:381:08:127:1922:32
7:15
#8590
20K
12.43 mi11:57:311:31:057:2022:53
7:22
#8469
Half
13.11 mi12:02:211:35:557:194:50
7:05
#8384
25K
15.53 mi12:20:051:53:397:1917:44
7:19
#8193
30K
18.64 mi12:43:562:17:307:2323:51
7:41
#8196
20M
20.00 mi12:54:402:28:147:2510:44
7:54
#8257
21M
21.00 mi13:03:152:36:497:288:35
8:35
#8411
35K
21.75 mi13:09:182:42:527:296:03
8:05
#8550
23M
23.00 mi13:19:582:53:327:3310:40
8:31
#8819
24M
24.00 mi13:28:153:01:497:358:17
8:17
#8990
40K
24.85 mi13:35:213:08:557:367:06
8:18
#9074
25.2M
25.20 mi13:38:243:11:587:373:03
8:51
#9114
Finish
26.22 mi13:46:403:20:147:398:16
8:07
#9257
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi9455160016008202(Top 31%)1147(Top 10%)1147(Top 61%)
10K6.21 mi3.10 mi8813+6421333+2671333+2678275(Top 31%)1138(Top 10%)1138(Top 61%)
15K9.32 mi3.11 mi8590+2231261+721261+728202(Top 31%)1147(Top 10%)1147(Top 61%)
20K12.43 mi3.11 mi8469+1211224+371224+378276(Top 31%)1211(Top 11%)1211(Top 64%)
Half13.11 mi0.68 mi8384+851195+291195+297127(Top 27%)819(Top 7%)819(Top 44%)
25K15.53 mi2.42 mi8193+1911151+441151+447394(Top 28%)979(Top 9%)979(Top 52%)
30K18.64 mi3.11 mi8196-31192-411192-418499(Top 32%)1510(Top 13%)1510(Top 80%)
20M20.00 mi1.36 mi8257-611236-441236-449565(Top 36%)2041(Top 18%)2041(Top 109%)
21M21.00 mi1.00 mi8411-1541307-711307-7110972(Top 41%)2845(Top 25%)2845(Top 151%)
35K21.75 mi0.75 mi8550-1391368-611368-6112716(Top 48%)3823(Top 33%)3823(Top 204%)
23M23.00 mi1.25 mi8819-2691499-1311499-13113357(Top 50%)4261(Top 37%)4261(Top 227%)
24M24.00 mi1.00 mi8990-1711593-941593-9413169(Top 49%)4207(Top 37%)4207(Top 224%)
40K24.85 mi0.85 mi9074-841641-481641-4812067(Top 45%)3692(Top 32%)3692(Top 197%)
25.2M25.20 mi0.35 mi9114-401671-301671-3011587(Top 44%)3483(Top 30%)3483(Top 185%)
Finish26.22 mi1.02 mi9257-1431759-881759-8812862(Top 48%)4133(Top 36%)4133(Top 220%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8202

Females

1147

F40-44

1147

5K→10K

3.1 - 6.2 mi

Top 31%
×5stories
+79ft-138ft

Overall

8275

Females

1138

F40-44

1138

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8202

Females

1147

F40-44

1147

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8276

Females

1211

F40-44

1211

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7127

Females

819

F40-44

819

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7394

Females

979

F40-44

979

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

8499

Females

1510

F40-44

1510

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

9565

Females

2041

F40-44

2041

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

10972

Females

2845

F40-44

2845

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

12716

Females

3823

F40-44

3823

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

13357

Females

4261

F40-44

4261

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

13169

Females

4207

F40-44

4207

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12067

Females

3692

F40-44

3692

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11587

Females

3483

F40-44

3483

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

12862

Females

4133

F40-44

4133

Passing Analysis

Category:
Athletes Passed
1837
Passed By
1639
Net Change
+198
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9455
5K → 10K70462+642#9455#8813
10K → 15K26643+223#8813#8590
15K → 20K19473+121#8590#8469
20K → Half872+85#8469#8384
Half → 25K22130+191#8384#8193
25K → 30K139142-3#8193#8196
30K → 20M59120-61#8196#8257
20M → 21M35189-154#8257#8411
21M → 35K11150-139#8411#8550
35K → 23M27296-269#8550#8819
23M → 24M32203-171#8819#8990
24M → 40K27111-84#8990#9074
40K → 25.2M1151-40#9074#9114
25.2M → Finish24167-143#9114#9257
TOTALS18371639+198
📊

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