Boston Marathon logo
BOSTON MARATHON 2023

Emily Promise

Bib: 26387•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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:36/mi
32:57
↑ 97↓ 3451.5%
10K· 6.21 mi
10:28/mi
1:05:28
↑ 79↓ 1380.4%
15K· 9.32 mi
10:31/mi
1:38:08
↑ 67↓ 78
20K· 12.43 mi
10:53/mi
2:11:56
↑ 106↓ 860.1%
Half· 13.11 mi
11:07/mi
2:19:31
↑ 19↓ 370.5%
25K· 15.53 mi
11:31/mi
2:47:26
↑ 66↓ 880.2%
30K· 18.64 mi
12:04/mi
3:24:55
↑ 181↓ 1480.2%
20M
12:27/mi
3:41:50
↑ 64↓ 500.2%
21M
13:17/mi
3:55:07
↑ 106↓ 241.6%
35K· 21.75 mi
12:14/mi
4:04:16
↑ 17↓ 861.7%
23M
11:57/mi
4:19:14
↑ 23↓ 630.6%
24M
12:15/mi
4:31:29
↓ 821.3%
40K· 24.85 mi
12:09/mi
4:41:52
↓ 200.3%
25.2M
13:44/mi
4:46:36
↑ 13↓ 160.2%
Finish· 26.22 mi
11:17/mi
4:58:06
↑ 22↓ 21

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
Time2:19:31
Pace10:39 /mi
2nd Half
Distance13.11 mi
Time2:38:35
Pace12:06 /mi
📊Positive Split: 13.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:1532:5710:3632:57
10:36
-
10K
6.21 mi12:21:461:05:2810:3232:31
10:28
-0:08
15K
9.32 mi12:54:261:38:0810:3232:40
10:31
+0:03
20K
12.43 mi13:28:142:11:5610:3733:48
10:53
+0:22
Half
13.11 mi13:35:492:19:3110:397:35
11:07
+0:14
25K
15.53 mi14:03:442:47:2610:4727:55
11:31
+0:24
30K
18.64 mi14:41:133:24:5511:0037:29
12:04
+0:33
20M
20.00 mi14:58:083:41:5011:0516:55
12:27
+0:23
21M
21.00 mi15:11:253:55:0711:1213:17
13:17
+0:50
35K
21.75 mi15:20:344:04:1611:149:09
12:14
-1:03
23M
23.00 mi15:35:324:19:1411:1614:58
11:57
-0:17
24M
24.00 mi15:47:474:31:2911:1912:15
12:15
+0:18
40K
24.85 mi15:58:104:41:5211:2010:23
12:09
-0:06
25.2M
25.20 mi16:02:544:46:3611:224:44
13:44
+1:35
Finish
26.22 mi16:14:244:58:0611:2311:30
11:17
-2:27

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

10:28 /mi

Average Pace

11:23 /mi

Slowest Pace

13:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31:01

51% of race

Time at Steady Pace

1:52:09

38% of race

Time at Slower Pace

34:56

12% of race

Average Pace: 11:22 /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 mi11:49:1532:5710:3632:57
10:36
#24965
10K
6.21 mi12:21:461:05:2810:3232:31
10:28
#24775
15K
9.32 mi12:54:261:38:0810:3232:40
10:31
#24678
20K
12.43 mi13:28:142:11:5610:3733:48
10:53
#24629
Half
13.11 mi13:35:492:19:3110:397:35
11:07
#24654
25K
15.53 mi14:03:442:47:2610:4727:55
11:31
#24681
30K
18.64 mi14:41:133:24:5511:0037:29
12:04
#24657
20M
20.00 mi14:58:083:41:5011:0516:55
12:27
#24671
21M
21.00 mi15:11:253:55:0711:1213:17
13:17
#24695
35K
21.75 mi15:20:344:04:1611:149:09
12:14
#24709
23M
23.00 mi15:35:324:19:1411:1614:58
11:57
#24659
24M
24.00 mi15:47:474:31:2911:1912:15
12:15
#24695
40K
24.85 mi15:58:104:41:5211:2010:23
12:09
#24665
25.2M
25.20 mi16:02:544:46:3611:224:44
13:44
#24683
Finish
26.22 mi16:14:244:58:0611:2311:30
11:17
#24709
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24965104161041624486(Top 92%)10174(Top 89%)10174(Top 208%)
10K6.21 mi3.10 mi24775+19010310+10610310+10624629(Top 93%)10242(Top 90%)10242(Top 210%)
15K9.32 mi3.11 mi24678+9710267+4310267+4324486(Top 92%)10174(Top 89%)10174(Top 208%)
20K12.43 mi3.11 mi24629+4910252+1510252+1524444(Top 92%)10173(Top 89%)10173(Top 208%)
Half13.11 mi0.68 mi24654-2510271-1910271-1925105(Top 94%)10549(Top 92%)10549(Top 216%)
25K15.53 mi2.42 mi24681-2710292-2110292-2124690(Top 93%)10335(Top 90%)10335(Top 212%)
30K18.64 mi3.11 mi24657+2410288+410288+424569(Top 92%)10320(Top 90%)10320(Top 211%)
20M20.00 mi1.36 mi24671-1410307-1910307-1924684(Top 93%)10436(Top 91%)10436(Top 214%)
21M21.00 mi1.00 mi24695-2410328-2110328-2124377(Top 92%)10285(Top 90%)10285(Top 211%)
35K21.75 mi0.75 mi24709-1410339-1110339-1124922(Top 94%)10616(Top 93%)10616(Top 217%)
23M23.00 mi1.25 mi24659+5010320+1910320+1923944(Top 90%)10092(Top 88%)10092(Top 207%)
24M24.00 mi1.00 mi24695-3610358-3810358-3824796(Top 93%)10582(Top 93%)10582(Top 217%)
40K24.85 mi0.85 mi24665+3010348+1010348+1024067(Top 90%)10209(Top 89%)10209(Top 209%)
25.2M25.20 mi0.35 mi24683-1810355-710355-724769(Top 93%)10574(Top 93%)10574(Top 217%)
Finish26.22 mi1.02 mi24709-2610373-1810373-1824417(Top 92%)10364(Top 91%)10364(Top 212%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

24486

Females

10174

F18-39

10174

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

24629

Females

10242

F18-39

10242

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

24486

Females

10174

F18-39

10174

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

24444

Females

10173

F18-39

10173

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

25105

Females

10549

F18-39

10549

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

24690

Females

10335

F18-39

10335

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

24569

Females

10320

F18-39

10320

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

24684

Females

10436

F18-39

10436

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

24377

Females

10285

F18-39

10285

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

24922

Females

10616

F18-39

10616

35K→23M

21.8 - 23.0 mi

Top 90%
×5story building
+23ft-63ft

Overall

23944

Females

10092

F18-39

10092

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

24796

Females

10582

F18-39

10582

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

24067

Females

10209

F18-39

10209

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

24769

Females

10574

F18-39

10574

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2story building
+22ft-21ft

Overall

24417

Females

10364

F18-39

10364

Passing Analysis

Category:
Athletes Passed
993
Passed By
737
Net Change
+256
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24965
5K → 10K296106+190#24965#24775
10K → 15K16366+97#24775#24678
15K → 20K12475+49#24678#24629
20K → Half1035-25#24629#24654
Half → 25K6592-27#24654#24681
25K → 30K10379+24#24681#24657
30K → 20M4357-14#24657#24671
20M → 21M2448-24#24671#24695
21M → 35K1933-14#24695#24709
35K → 23M6414+50#24709#24659
23M → 24M1652-36#24659#24695
24M → 40K4515+30#24695#24665
40K → 25.2M725-18#24665#24683
25.2M → Finish1440-26#24683#24709
TOTALS993737+256
📊

Passing Visuals

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing