Boston Marathon logo
BOSTON MARATHON 2023

Laura Debiasio

Bib: 25065•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
8:56/mi
27:46
↑ 97↓ 3451.5%
10K· 6.21 mi
8:42/mi
54:47
↑ 79↓ 1380.4%
15K· 9.32 mi
9:17/mi
1:23:39
↑ 67↓ 78
20K· 12.43 mi
8:37/mi
1:50:25
↑ 106↓ 860.1%
Half· 13.11 mi
8:51/mi
1:56:27
↑ 19↓ 370.5%
25K· 15.53 mi
8:46/mi
2:17:43
↑ 66↓ 880.2%
30K· 18.64 mi
8:52/mi
2:45:15
↑ 181↓ 1480.2%
20M
8:53/mi
2:57:19
↑ 64↓ 500.2%
21M
9:18/mi
3:06:37
↑ 106↓ 241.6%
35K· 21.75 mi
8:39/mi
3:13:05
↑ 17↓ 861.7%
23M
8:57/mi
3:24:17
↑ 23↓ 630.6%
24M
8:41/mi
3:32:58
↓ 821.3%
40K· 24.85 mi
9:04/mi
3:40:43
↓ 200.3%
25.2M
9:05/mi
3:43:51
↑ 13↓ 160.2%
Finish· 26.22 mi
7:46/mi
3:51:46
↑ 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
Time1:56:27
Pace8:53 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:55:19
Pace8:48 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:2127:468:5627:46
8:56
-
10K
6.21 mi12:16:2254:478:4927:01
8:42
-0:14
15K
9.32 mi12:45:141:23:398:5828:52
9:17
+0:35
20K
12.43 mi13:12:001:50:258:5326:46
8:37
-0:40
Half
13.11 mi13:18:021:56:278:536:02
8:51
+0:14
25K
15.53 mi13:39:182:17:438:5221:16
8:46
-0:05
30K
18.64 mi14:06:502:45:158:5227:32
8:52
+0:06
20M
20.00 mi14:18:542:57:198:5212:04
8:53
+0:01
21M
21.00 mi14:28:123:06:378:539:18
9:18
+0:25
35K
21.75 mi14:34:403:13:058:536:28
8:39
-0:39
23M
23.00 mi14:45:523:24:178:5311:12
8:57
+0:18
24M
24.00 mi14:54:333:32:588:528:41
8:41
-0:16
40K
24.85 mi15:02:183:40:438:537:45
9:04
+0:23
25.2M
25.20 mi15:05:263:43:518:533:08
9:05
+0:01
Finish
26.22 mi15:13:213:51:468:517:55
7:46
-1:19

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

7:46 /mi

Average Pace

8:51 /mi

Slowest Pace

9:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

7:55

3% of race

Time at Steady Pace

3:05:41

80% of race

Time at Slower Pace

38:10

16% of race

Average Pace: 8:50 /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 mi11:49:2127:468:5627:46
8:56
#20153
10K
6.21 mi12:16:2254:478:4927:01
8:42
#19769
15K
9.32 mi12:45:141:23:398:5828:52
9:17
#20456
20K
12.43 mi13:12:001:50:258:5326:46
8:37
#19785
Half
13.11 mi13:18:021:56:278:536:02
8:51
#19776
25K
15.53 mi13:39:182:17:438:5221:16
8:46
#19431
30K
18.64 mi14:06:502:45:158:5227:32
8:52
#18915
20M
20.00 mi14:18:542:57:198:5212:04
8:53
#18707
21M
21.00 mi14:28:123:06:378:539:18
9:18
#18466
35K
21.75 mi14:34:403:13:058:536:28
8:39
#18373
23M
23.00 mi14:45:523:24:178:5311:12
8:57
#18215
24M
24.00 mi14:54:333:32:588:528:41
8:41
#18116
40K
24.85 mi15:02:183:40:438:537:45
9:04
#18053
25.2M
25.20 mi15:05:263:43:518:533:08
9:05
#17979
Finish
26.22 mi15:13:213:51:468:517:55
7:46
#17737
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi201537910791021605(Top 81%)8558(Top 75%)8558(Top 175%)
10K6.21 mi3.10 mi19769+3847633+2777633+27719410(Top 73%)7320(Top 64%)7320(Top 150%)
15K9.32 mi3.11 mi20456-6877992-3597992-35921605(Top 81%)8558(Top 75%)8558(Top 175%)
20K12.43 mi3.11 mi19785+6717597+3957597+39517601(Top 66%)6289(Top 55%)6289(Top 129%)
Half13.11 mi0.68 mi19776+97579+187579+1819725(Top 74%)7496(Top 66%)7496(Top 153%)
25K15.53 mi2.42 mi19431+3457376+2037376+20317796(Top 67%)6457(Top 57%)6457(Top 132%)
30K18.64 mi3.11 mi18915+5167089+2877089+28716454(Top 62%)5760(Top 50%)5760(Top 118%)
20M20.00 mi1.36 mi18707+2086986+1036986+10315935(Top 60%)5542(Top 49%)5542(Top 113%)
21M21.00 mi1.00 mi18466+2416861+1256861+12515022(Top 56%)5076(Top 44%)5076(Top 104%)
35K21.75 mi0.75 mi18373+936819+426819+4216163(Top 61%)5802(Top 51%)5802(Top 119%)
23M23.00 mi1.25 mi18215+1586734+856734+8515802(Top 59%)5640(Top 49%)5640(Top 115%)
24M24.00 mi1.00 mi18116+996698+366698+3615608(Top 59%)5598(Top 49%)5598(Top 115%)
40K24.85 mi0.85 mi18053+636671+276671+2716511(Top 62%)6141(Top 54%)6141(Top 126%)
25.2M25.20 mi0.35 mi17979+746632+396632+3913127(Top 49%)4325(Top 38%)4325(Top 89%)
Finish26.22 mi1.02 mi17737+2426498+1346498+13410509(Top 39%)2962(Top 26%)2962(Top 61%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

21605

Females

8558

F18-39

8558

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

19410

Females

7320

F18-39

7320

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

21605

Females

8558

F18-39

8558

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

17601

Females

6289

F18-39

6289

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

19725

Females

7496

F18-39

7496

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

17796

Females

6457

F18-39

6457

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

16454

Females

5760

F18-39

5760

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

15935

Females

5542

F18-39

5542

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

15022

Females

5076

F18-39

5076

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

16163

Females

5802

F18-39

5802

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

15802

Females

5640

F18-39

5640

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

15608

Females

5598

F18-39

5598

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16511

Females

6141

F18-39

6141

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13127

Females

4325

F18-39

4325

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

10509

Females

2962

F18-39

2962

Passing Analysis

Category:
Athletes Passed
3444
Passed By
1028
Net Change
+2416
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20153
5K → 10K551167+384#20153#19769
10K → 15K40727-687#19769#20456
15K → 20K6776+671#20456#19785
20K → Half3627+9#19785#19776
Half → 25K3527+345#19776#19431
25K → 30K53014+516#19431#18915
30K → 20M21810+208#18915#18707
20M → 21M25110+241#18707#18466
21M → 35K1018+93#18466#18373
35K → 23M17820+158#18373#18215
23M → 24M11112+99#18215#18116
24M → 40K8118+63#18116#18053
40K → 25.2M751+74#18053#17979
25.2M → Finish2431+242#17979#17737
TOTALS34441028+2416
📊

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing