Boston Marathon logo
BOSTON MARATHON 2023

Ashley Clement

Bib: 18718•F

CO

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 44%
Gender (Female)
#0 / 11423
Top 26%
Division (F18-39)
#0 / 4884
Top 43%
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
8:02/mi
24:59
↑ 97↓ 3451.5%
10K· 6.21 mi
7:54/mi
49:32
↑ 79↓ 1380.4%
15K· 9.32 mi
7:53/mi
1:14:01
↑ 67↓ 78
20K· 12.43 mi
8:06/mi
1:39:11
↑ 106↓ 860.1%
Half· 13.11 mi
7:40/mi
1:44:25
↑ 19↓ 370.5%
25K· 15.53 mi
7:51/mi
2:03:28
↑ 66↓ 880.2%
30K· 18.64 mi
7:59/mi
2:28:16
↑ 181↓ 1480.2%
20M
8:02/mi
2:39:11
↑ 64↓ 500.2%
21M
8:31/mi
2:47:42
↑ 106↓ 241.6%
35K· 21.75 mi
7:48/mi
2:53:32
↑ 17↓ 861.7%
23M
7:55/mi
3:03:27
↑ 23↓ 630.6%
24M
7:46/mi
3:11:13
↓ 821.3%
40K· 24.85 mi
7:44/mi
3:17:50
↓ 200.3%
25.2M
8:22/mi
3:20:43
↑ 13↓ 160.2%
Finish· 26.22 mi
7:27/mi
3:28:19
↑ 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 Half⚖️ Balanced
Distance13.11 mi
Time1:44:25
Pace7:58 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:43:54
Pace7:56 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:3824:598:0224:59
8:02
-
10K
6.21 mi11:45:1149:327:5824:33
7:54
-0:08
15K
9.32 mi12:09:401:14:017:5624:29
7:53
-0:01
20K
12.43 mi12:34:501:39:117:5925:10
8:06
+0:13
Half
13.11 mi12:40:041:44:257:585:14
7:40
-0:26
25K
15.53 mi12:59:072:03:287:5719:03
7:51
+0:11
30K
18.64 mi13:23:552:28:167:5724:48
7:59
+0:08
20M
20.00 mi13:34:502:39:117:5810:55
8:02
+0:03
21M
21.00 mi13:43:212:47:427:598:31
8:31
+0:29
35K
21.75 mi13:49:112:53:327:595:50
7:48
-0:43
23M
23.00 mi13:59:063:03:277:599:55
7:55
+0:07
24M
24.00 mi14:06:523:11:137:587:46
7:46
-0:09
40K
24.85 mi14:13:293:17:507:586:37
7:44
-0:02
25.2M
25.20 mi14:16:223:20:437:582:53
8:22
+0:38
Finish
26.22 mi14:23:583:28:197:577:36
7:27
-0:55

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

7:27 /mi

Average Pace

7:57 /mi

Slowest Pace

8:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:55

95% of race

Time at Steady Pace

11:24

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:57 /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 mi11:20:3824:598:0224:59
8:02
#14306
10K
6.21 mi11:45:1149:327:5824:33
7:54
#14178
15K
9.32 mi12:09:401:14:017:5624:29
7:53
#13913
20K
12.43 mi12:34:501:39:117:5925:10
8:06
#13949
Half
13.11 mi12:40:041:44:257:585:14
7:40
#13826
25K
15.53 mi12:59:072:03:287:5719:03
7:51
#13453
30K
18.64 mi13:23:552:28:167:5724:48
7:59
#12932
20M
20.00 mi13:34:502:39:117:5810:55
8:02
#12698
21M
21.00 mi13:43:212:47:427:598:31
8:31
#12546
35K
21.75 mi13:49:112:53:327:595:50
7:48
#12459
23M
23.00 mi13:59:063:03:277:599:55
7:55
#12259
24M
24.00 mi14:06:523:11:137:587:46
7:46
#12140
40K
24.85 mi14:13:293:17:507:586:37
7:44
#11968
25.2M
25.20 mi14:16:223:20:437:582:53
8:22
#11898
Finish
26.22 mi14:23:583:28:197:577:36
7:27
#11725
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi143064207420713364(Top 50%)3702(Top 32%)3702(Top 76%)
10K6.21 mi3.10 mi14178+1284148+594148+5914010(Top 53%)4049(Top 35%)4049(Top 83%)
15K9.32 mi3.11 mi13913+2654005+1434005+14313364(Top 50%)3702(Top 32%)3702(Top 76%)
20K12.43 mi3.11 mi13949-364052-474052-4714228(Top 53%)4240(Top 37%)4240(Top 87%)
Half13.11 mi0.68 mi13826+1233978+743978+7411704(Top 44%)2748(Top 24%)2748(Top 56%)
25K15.53 mi2.42 mi13453+3733776+2023776+20211596(Top 44%)2829(Top 25%)2829(Top 58%)
30K18.64 mi3.11 mi12932+5213506+2703506+27010769(Top 40%)2530(Top 22%)2530(Top 52%)
20M20.00 mi1.36 mi12698+2343397+1093397+10910550(Top 40%)2517(Top 22%)2517(Top 52%)
21M21.00 mi1.00 mi12546+1523322+753322+7510606(Top 40%)2679(Top 23%)2679(Top 55%)
35K21.75 mi0.75 mi12459+873289+333289+3310688(Top 40%)2722(Top 24%)2722(Top 56%)
23M23.00 mi1.25 mi12259+2003201+883201+889250(Top 35%)2153(Top 19%)2153(Top 44%)
24M24.00 mi1.00 mi12140+1193155+463155+469583(Top 36%)2393(Top 21%)2393(Top 49%)
40K24.85 mi0.85 mi11968+1723081+743081+748299(Top 31%)1881(Top 16%)1881(Top 39%)
25.2M25.20 mi0.35 mi11898+703046+353046+358762(Top 33%)2165(Top 19%)2165(Top 44%)
Finish26.22 mi1.02 mi11725+1732973+732973+738282(Top 31%)1957(Top 17%)1957(Top 40%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

13364

Females

3702

F18-39

3702

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

14010

Females

4049

F18-39

4049

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

13364

Females

3702

F18-39

3702

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

14228

Females

4240

F18-39

4240

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11704

Females

2748

F18-39

2748

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11596

Females

2829

F18-39

2829

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

10769

Females

2530

F18-39

2530

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10550

Females

2517

F18-39

2517

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

10606

Females

2679

F18-39

2679

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

10688

Females

2722

F18-39

2722

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9250

Females

2153

F18-39

2153

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

9583

Females

2393

F18-39

2393

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8299

Females

1881

F18-39

1881

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8762

Females

2165

F18-39

2165

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2story building
+22ft-21ft

Overall

8282

Females

1957

F18-39

1957

Passing Analysis

Category:
Athletes Passed
3220
Passed By
639
Net Change
+2581
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14306
5K → 10K353225+128#14306#14178
10K → 15K33873+265#14178#13913
15K → 20K174210-36#13913#13949
20K → Half1274+123#13949#13826
Half → 25K38310+373#13826#13453
25K → 30K54019+521#13453#12932
30K → 20M24713+234#12932#12698
20M → 21M17927+152#12698#12546
21M → 35K9912+87#12546#12459
35K → 23M2099+200#12459#12259
23M → 24M13213+119#12259#12140
24M → 40K1797+172#12140#11968
40K → 25.2M744+70#11968#11898
25.2M → Finish18613+173#11898#11725
TOTALS3220639+2581
📊

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