Boston Marathon logo
BOSTON MARATHON 2023

Sarah Ahmad

Bib: 26439•F

CA

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
31:17
Rank: #23600
Start → 5K
31:17 | 10:04/mi
10K· 6.21 mi
1:02:23
Rank: #23708 (-108)
5K → 10K
31:06 | 10:01/mi
15K· 9.32 mi
1:33:14
Rank: #23615 (+93)
10K → 15K
30:51 | 9:56/mi
20K· 12.43 mi
2:05:31
Rank: #23640 (-25)
15K → 20K
32:17 | 10:23/mi
Half· 13.11 mi
2:12:19
Rank: #23617 (+23)
20K → Half
6:48 | 9:58/mi
25K· 15.53 mi
2:37:00
Rank: #23438 (+179)
Half → 25K
24:41 | 10:11/mi
30K· 18.64 mi
3:11:34
Rank: #23389 (+49)
25K → 30K
34:34 | 11:08/mi
20M
3:25:50
Rank: #23267 (+122)
30K → 20M
14:16 | 10:30/mi
21M
3:36:55
Rank: #23160 (+107)
20M → 21M
11:05 | 11:05/mi
35K· 21.75 mi
3:44:19
Rank: #23090 (+70)
21M → 35K
7:24 | 9:53/mi
23M
3:57:27
Rank: #22962 (+128)
35K → 23M
13:08 | 10:29/mi
24M
4:07:51
Rank: #22916 (+46)
23M → 24M
10:24 | 10:24/mi
40K· 24.85 mi
4:17:00
Rank: #22864 (+52)
24M → 40K
9:09 | 10:42/mi
25.2M
4:20:52
Rank: #22840 (+24)
40K → 25.2M
3:52 | 11:13/mi
Finish· 26.22 mi
4:30:58
Rank: #22811 (+29)
25.2M → Finish
10:06 | 9:55/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
Time2:12:19
Pace10:06 /mi
2nd Half
Distance13.11 mi
Time2:18:39
Pace10:35 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:3831:1710:0431:17
10:04
-
10K
6.21 mi12:25:441:02:2310:0231:06
10:01
-0:03
15K
9.32 mi12:56:351:33:1410:0030:51
9:56
-0:05
20K
12.43 mi13:28:522:05:3110:0632:17
10:23
+0:27
Half
13.11 mi13:35:402:12:1910:066:48
9:58
-0:25
25K
15.53 mi14:00:212:37:0010:0624:41
10:11
+0:13
30K
18.64 mi14:34:553:11:3410:1734:34
11:08
+0:57
20M
20.00 mi14:49:113:25:5010:1714:16
10:30
-0:38
21M
21.00 mi15:00:163:36:5510:2011:05
11:05
+0:35
35K
21.75 mi15:07:403:44:1910:197:24
9:53
-1:12
23M
23.00 mi15:20:483:57:2710:1913:08
10:29
+0:36
24M
24.00 mi15:31:124:07:5110:2010:24
10:24
-0:05
40K
24.85 mi15:40:214:17:0010:209:09
10:42
+0:18
25.2M
25.20 mi15:44:134:20:5210:213:52
11:13
+0:31
Finish
26.22 mi15:54:194:30:5810:2110:06
9:55
-1:18

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

9:53 /mi

Average Pace

10:21 /mi

Slowest Pace

11:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:41:27

82% of race

Time at Steady Pace

49:31

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:20 /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 mi11:54:3831:1710:0431:17
10:04
#23600
10K
6.21 mi12:25:441:02:2310:0231:06
10:01
#23708
15K
9.32 mi12:56:351:33:1410:0030:51
9:56
#23615
20K
12.43 mi13:28:522:05:3110:0632:17
10:23
#23640
Half
13.11 mi13:35:402:12:1910:066:48
9:58
#23617
25K
15.53 mi14:00:212:37:0010:0624:41
10:11
#23438
30K
18.64 mi14:34:553:11:3410:1734:34
11:08
#23389
20M
20.00 mi14:49:113:25:5010:1714:16
10:30
#23267
21M
21.00 mi15:00:163:36:5510:2011:05
11:05
#23160
35K
21.75 mi15:07:403:44:1910:197:24
9:53
#23090
23M
23.00 mi15:20:483:57:2710:1913:08
10:29
#22962
24M
24.00 mi15:31:124:07:5110:2010:24
10:24
#22916
40K
24.85 mi15:40:214:17:0010:209:09
10:42
#22864
25.2M
25.20 mi15:44:134:20:5210:213:52
11:13
#22840
Finish
26.22 mi15:54:194:30:5810:2110:06
9:55
#22811
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi236009700970023378(Top 88%)9534(Top 83%)9534(Top 195%)
10K6.21 mi3.10 mi23708-1089734-349734-3423702(Top 89%)9730(Top 85%)9730(Top 199%)
15K9.32 mi3.11 mi23615+939682+529682+5223378(Top 88%)9534(Top 83%)9534(Top 195%)
20K12.43 mi3.11 mi23640-259690-89690-823639(Top 89%)9705(Top 85%)9705(Top 199%)
Half13.11 mi0.68 mi23617+239676+149676+1423220(Top 87%)9474(Top 83%)9474(Top 194%)
25K15.53 mi2.42 mi23438+1799588+889588+8822571(Top 85%)9157(Top 80%)9157(Top 187%)
30K18.64 mi3.11 mi23389+499587+19587+123297(Top 88%)9625(Top 84%)9625(Top 197%)
20M20.00 mi1.36 mi23267+1229536+519536+5121742(Top 82%)8842(Top 77%)8842(Top 181%)
21M21.00 mi1.00 mi23160+1079492+449492+4421009(Top 79%)8468(Top 74%)8468(Top 173%)
35K21.75 mi0.75 mi23090+709464+289464+2821007(Top 79%)8502(Top 74%)8502(Top 174%)
23M23.00 mi1.25 mi22962+1289405+599405+5921306(Top 80%)8688(Top 76%)8688(Top 178%)
24M24.00 mi1.00 mi22916+469390+159390+1521821(Top 82%)9014(Top 79%)9014(Top 185%)
40K24.85 mi0.85 mi22864+529370+209370+2021725(Top 82%)9005(Top 79%)9005(Top 184%)
25.2M25.20 mi0.35 mi22840+249359+119359+1120985(Top 79%)8591(Top 75%)8591(Top 176%)
Finish26.22 mi1.02 mi22811+299345+149345+1421533(Top 81%)8868(Top 78%)8868(Top 182%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21stories
+97ft-345ft

Overall

23378

Females

9534

F18-39

9534

5K→10K

3.1 - 6.2 mi

Top 89%
×5stories
+79ft-138ft

Overall

23702

Females

9730

F18-39

9730

10K→15K

6.2 - 9.3 mi

Top 88%
×3stories
+67ft-78ft

Overall

23378

Females

9534

F18-39

9534

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

23639

Females

9705

F18-39

9705

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

23220

Females

9474

F18-39

9474

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

22571

Females

9157

F18-39

9157

25K→30K

15.5 - 18.6 mi

Top 88%
×9stories
+181ft-148ft

Overall

23297

Females

9625

F18-39

9625

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

21742

Females

8842

F18-39

8842

20M→21M

20.0 - 21.0 mi

Top 79%
×8stories
+106ft-24ft

Overall

21009

Females

8468

F18-39

8468

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

21007

Females

8502

F18-39

8502

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

21306

Females

8688

F18-39

8688

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

21821

Females

9014

F18-39

9014

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21725

Females

9005

F18-39

9005

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

20985

Females

8591

F18-39

8591

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

21533

Females

8868

F18-39

8868

Passing Analysis

Category:
Athletes Passed
1449
Passed By
660
Net Change
+789
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23600
5K → 10K154262-108#23600#23708
10K → 15K16673+93#23708#23615
15K → 20K112137-25#23615#23640
20K → Half318+23#23640#23617
Half → 25K20021+179#23617#23438
25K → 30K13687+49#23438#23389
30K → 20M1308+122#23389#23267
20M → 21M1158+107#23267#23160
21M → 35K722+70#23160#23090
35K → 23M1313+128#23090#22962
23M → 24M6923+46#22962#22916
24M → 40K6311+52#22916#22864
40K → 25.2M284+24#22864#22840
25.2M → Finish4213+29#22840#22811
TOTALS1449660+789
📊

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