Boston Marathon logo
BOSTON MARATHON 2023

Emma Murray

Bib: 7182•F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 27%
Gender (Female)
#0 / 11423
Top 9%
Division (F18-39)
#0 / 4884
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:00
Rank: #8855
Start → 5K
23:00 | 7:24/mi
10K· 6.21 mi
46:25
Rank: #9750 (-895)
5K → 10K
23:25 | 7:32/mi
15K· 9.32 mi
1:09:34
Rank: #9722 (+28)
10K → 15K
23:09 | 7:27/mi
20K· 12.43 mi
1:32:45
Rank: #9520 (+202)
15K → 20K
23:11 | 7:28/mi
Half· 13.11 mi
1:37:43
Rank: #9453 (+67)
20K → Half
4:58 | 7:17/mi
25K· 15.53 mi
1:55:45
Rank: #9236 (+217)
Half → 25K
18:02 | 7:26/mi
30K· 18.64 mi
2:18:45
Rank: #8705 (+531)
25K → 30K
23:00 | 7:24/mi
20M
2:28:44
Rank: #8457 (+248)
30K → 20M
9:59 | 7:21/mi
21M
2:36:14
Rank: #8194 (+263)
20M → 21M
7:30 | 7:30/mi
35K· 21.75 mi
2:41:33
Rank: #8085 (+109)
21M → 35K
5:19 | 7:06/mi
23M
2:50:40
Rank: #7847 (+238)
35K → 23M
9:07 | 7:17/mi
24M
2:57:46
Rank: #7678 (+169)
23M → 24M
7:06 | 7:06/mi
40K· 24.85 mi
3:03:53
Rank: #7530 (+148)
24M → 40K
6:07 | 7:09/mi
25.2M
3:06:27
Rank: #7459 (+71)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
3:13:29
Rank: #7292 (+167)
25.2M → Finish
7:02 | 6:54/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 Half
Distance13.11 mi
Time1:37:43
Pace7:27 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:35:46
Pace7:18 /mi
📊Negative Split: 2.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:1223:007:2423:00
7:24
-
10K
6.21 mi10:50:3746:257:2823:25
7:32
+0:08
15K
9.32 mi11:13:461:09:347:2823:09
7:27
-0:05
20K
12.43 mi11:36:571:32:457:2823:11
7:28
+0:01
Half
13.11 mi11:41:551:37:437:274:58
7:17
-0:11
25K
15.53 mi11:59:571:55:457:2718:02
7:26
+0:09
30K
18.64 mi12:22:572:18:457:2723:00
7:24
-0:02
20M
20.00 mi12:32:562:28:447:269:59
7:21
-0:03
21M
21.00 mi12:40:262:36:147:267:30
7:30
+0:09
35K
21.75 mi12:45:452:41:337:265:19
7:06
-0:24
23M
23.00 mi12:54:522:50:407:259:07
7:17
+0:11
24M
24.00 mi13:01:582:57:467:247:06
7:06
-0:11
40K
24.85 mi13:08:053:03:537:246:07
7:09
+0:03
25.2M
25.20 mi13:10:393:06:277:242:34
7:27
+0:18
Finish
26.22 mi13:17:413:13:297:237:02
6:54
-0:33

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

6:54 /mi

Average Pace

7:23 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

25:34

13% of race

Time at Steady Pace

2:47:55

87% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:23 /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 mi10:27:1223:007:2423:00
7:24
#8855
10K
6.21 mi10:50:3746:257:2823:25
7:32
#9750
15K
9.32 mi11:13:461:09:347:2823:09
7:27
#9722
20K
12.43 mi11:36:571:32:457:2823:11
7:28
#9520
Half
13.11 mi11:41:551:37:437:274:58
7:17
#9453
25K
15.53 mi11:59:571:55:457:2718:02
7:26
#9236
30K
18.64 mi12:22:572:18:457:2723:00
7:24
#8705
20M
20.00 mi12:32:562:28:447:269:59
7:21
#8457
21M
21.00 mi12:40:262:36:147:267:30
7:30
#8194
35K
21.75 mi12:45:452:41:337:265:19
7:06
#8085
23M
23.00 mi12:54:522:50:407:259:07
7:17
#7847
24M
24.00 mi13:01:582:57:467:247:06
7:06
#7678
40K
24.85 mi13:08:053:03:537:246:07
7:09
#7530
25.2M
25.20 mi13:10:393:06:277:242:34
7:27
#7459
Finish
26.22 mi13:17:413:13:297:237:02
6:54
#7292
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8855133413349779(Top 37%)1738(Top 15%)1738(Top 36%)
10K6.21 mi3.10 mi9750-8951724-3901724-39010780(Top 40%)2186(Top 19%)2186(Top 45%)
15K9.32 mi3.11 mi9722+281715+91715+99779(Top 37%)1738(Top 15%)1738(Top 36%)
20K12.43 mi3.11 mi9520+2021635+801635+809012(Top 34%)1486(Top 13%)1486(Top 30%)
Half13.11 mi0.68 mi9453+671612+231612+238485(Top 32%)1264(Top 11%)1264(Top 26%)
25K15.53 mi2.42 mi9236+2171539+731539+738319(Top 31%)1292(Top 11%)1292(Top 26%)
30K18.64 mi3.11 mi8705+5311372+1671372+1676629(Top 25%)805(Top 7%)805(Top 16%)
20M20.00 mi1.36 mi8457+2481302+701302+705929(Top 22%)693(Top 6%)693(Top 14%)
21M21.00 mi1.00 mi8194+2631225+771225+774615(Top 17%)428(Top 4%)428(Top 9%)
35K21.75 mi0.75 mi8085+1091196+291196+296002(Top 23%)772(Top 7%)772(Top 16%)
23M23.00 mi1.25 mi7847+2381129+671129+675245(Top 20%)604(Top 5%)604(Top 12%)
24M24.00 mi1.00 mi7678+1691080+491080+495233(Top 20%)642(Top 6%)642(Top 13%)
40K24.85 mi0.85 mi7530+1481058+221058+224681(Top 18%)563(Top 5%)563(Top 12%)
25.2M25.20 mi0.35 mi7459+711048+101048+103716(Top 14%)394(Top 3%)394(Top 8%)
Finish26.22 mi1.02 mi7292+1671013+351013+354680(Top 18%)632(Top 6%)632(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9779

Females

1738

F18-39

1738

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

10780

Females

2186

F18-39

2186

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9779

Females

1738

F18-39

1738

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9012

Females

1486

F18-39

1486

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

8485

Females

1264

F18-39

1264

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

8319

Females

1292

F18-39

1292

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6629

Females

805

F18-39

805

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5929

Females

693

F18-39

693

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4615

Females

428

F18-39

428

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6002

Females

772

F18-39

772

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5245

Females

604

F18-39

604

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5233

Females

642

F18-39

642

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4681

Females

563

F18-39

563

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3716

Females

394

F18-39

394

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

4680

Females

632

F18-39

632

Passing Analysis

Category:
Athletes Passed
2787*
Passed By
1224
Net Change
+1563
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8855
5K → 10K61956-895#8855#9750
10K → 15K180152+28#9750#9722
15K → 20K257*55+202#9722#9520
20K → Half736+67#9520#9453
Half → 25K23619+217#9453#9236
25K → 30K54312+531#9236#8705
30K → 20M2491+248#8705#8457
20M → 21M2652+263#8457#8194
21M → 35K1123+109#8194#8085
35K → 23M2402+238#8085#7847
23M → 24M1756+169#7847#7678
24M → 40K1535+148#7678#7530
40K → 25.2M710+71#7530#7459
25.2M → Finish1725+167#7459#7292
TOTALS2787*1224+1563

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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