Boston Marathon logo
BOSTON MARATHON 2023

Debra Avila

Bib: 16506•F

CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 48%
Division (F45-49)
#0 / 1817
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
8:43/mi
27:04
↑ 97↓ 3451.5%
10K· 6.21 mi
8:39/mi
53:57
↑ 79↓ 1380.4%
15K· 9.32 mi
8:47/mi
1:21:15
↑ 67↓ 78
20K· 12.43 mi
8:48/mi
1:48:36
↑ 106↓ 860.1%
Half· 13.11 mi
8:36/mi
1:54:28
↑ 19↓ 370.5%
25K· 15.53 mi
8:40/mi
2:15:29
↑ 66↓ 880.2%
30K· 18.64 mi
9:17/mi
2:44:18
↑ 181↓ 1480.2%
20M
9:10/mi
2:56:46
↑ 64↓ 500.2%
21M
9:23/mi
3:06:09
↑ 106↓ 241.6%
35K· 21.75 mi
8:05/mi
3:12:12
↑ 17↓ 861.7%
23M
8:33/mi
3:22:54
↑ 23↓ 630.6%
24M
8:14/mi
3:31:08
↓ 821.3%
40K· 24.85 mi
9:12/mi
3:39:00
↓ 200.3%
25.2M
10:26/mi
3:42:36
↑ 13↓ 160.2%
Finish· 26.22 mi
8:23/mi
3:51:09
↑ 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
Time1:54:28
Pace8:44 /mi
2nd Half
Distance13.11 mi
Time1:56:41
Pace8:54 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2127:048:4327:04
8:43
-
10K
6.21 mi11:44:1453:578:4126:53
8:39
-0:04
15K
9.32 mi12:11:321:21:158:4327:18
8:47
+0:08
20K
12.43 mi12:38:531:48:368:4427:21
8:48
+0:01
Half
13.11 mi12:44:451:54:288:445:52
8:36
-0:12
25K
15.53 mi13:05:462:15:298:4321:01
8:40
+0:04
30K
18.64 mi13:34:352:44:188:4928:49
9:17
+0:37
20M
20.00 mi13:47:032:56:468:5012:28
9:10
-0:07
21M
21.00 mi13:56:263:06:098:529:23
9:23
+0:13
35K
21.75 mi14:02:293:12:128:506:03
8:05
-1:18
23M
23.00 mi14:13:113:22:548:4910:42
8:33
+0:28
24M
24.00 mi14:21:253:31:088:488:14
8:14
-0:19
40K
24.85 mi14:29:173:39:008:497:52
9:12
+0:58
25.2M
25.20 mi14:32:533:42:368:503:36
10:26
+1:14
Finish
26.22 mi14:41:263:51:098:498:33
8:23
-2:03

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

8:05 /mi

Average Pace

8:49 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

22:50

10% of race

Time at Steady Pace

2:26:11

63% of race

Time at Slower Pace

1:02:08

27% of race

Average Pace: 8:49 /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 mi11:17:2127:048:4327:04
8:43
#18964
10K
6.21 mi11:44:1453:578:4126:53
8:39
#19010
15K
9.32 mi12:11:321:21:158:4327:18
8:47
#19140
20K
12.43 mi12:38:531:48:368:4427:21
8:48
#19012
Half
13.11 mi12:44:451:54:288:445:52
8:36
#18980
25K
15.53 mi13:05:462:15:298:4321:01
8:40
#18690
30K
18.64 mi13:34:352:44:188:4928:49
9:17
#18667
20M
20.00 mi13:47:032:56:468:5012:28
9:10
#18540
21M
21.00 mi13:56:263:06:098:529:23
9:23
#18354
35K
21.75 mi14:02:293:12:128:506:03
8:05
#18156
23M
23.00 mi14:13:113:22:548:4910:42
8:33
#17896
24M
24.00 mi14:21:253:31:088:488:14
8:14
#17691
40K
24.85 mi14:29:173:39:008:497:52
9:12
#17684
25.2M
25.20 mi14:32:533:42:368:503:36
10:26
#17722
Finish
26.22 mi14:41:263:51:098:498:33
8:23
#17601
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi189647182718219442(Top 73%)7353(Top 64%)7353(Top 405%)
10K6.21 mi3.10 mi19010-467155+277155+2719147(Top 72%)7168(Top 63%)7168(Top 394%)
15K9.32 mi3.11 mi19140-1307217-627217-6219442(Top 73%)7353(Top 64%)7353(Top 405%)
20K12.43 mi3.11 mi19012+1287130+877130+8718706(Top 70%)6911(Top 61%)6911(Top 380%)
Half13.11 mi0.68 mi18980+327113+177113+1718351(Top 69%)6686(Top 59%)6686(Top 368%)
25K15.53 mi2.42 mi18690+2906945+1686945+16817221(Top 65%)6130(Top 54%)6130(Top 337%)
30K18.64 mi3.11 mi18667+236953-86953-818508(Top 70%)6920(Top 61%)6920(Top 381%)
20M20.00 mi1.36 mi18540+1276893+606893+6017438(Top 66%)6417(Top 56%)6417(Top 353%)
21M21.00 mi1.00 mi18354+1866799+946799+9415440(Top 58%)5317(Top 47%)5317(Top 293%)
35K21.75 mi0.75 mi18156+1986697+1026697+10212782(Top 48%)3889(Top 34%)3889(Top 214%)
23M23.00 mi1.25 mi17896+2606555+1426555+14213540(Top 51%)4371(Top 38%)4371(Top 241%)
24M24.00 mi1.00 mi17691+2056445+1106445+11012888(Top 48%)4087(Top 36%)4087(Top 225%)
40K24.85 mi0.85 mi17684+76451-66451-617112(Top 64%)6466(Top 57%)6466(Top 356%)
25.2M25.20 mi0.35 mi17722-386474-236474-2318917(Top 71%)7458(Top 65%)7458(Top 410%)
Finish26.22 mi1.02 mi17601+1216415+596415+5914723(Top 55%)5120(Top 45%)5120(Top 282%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

19442

Females

7353

F45-49

7353

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

19147

Females

7168

F45-49

7168

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

19442

Females

7353

F45-49

7353

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

18706

Females

6911

F45-49

6911

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

18351

Females

6686

F45-49

6686

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

17221

Females

6130

F45-49

6130

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

18508

Females

6920

F45-49

6920

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

17438

Females

6417

F45-49

6417

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

15440

Females

5317

F45-49

5317

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

12782

Females

3889

F45-49

3889

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

13540

Females

4371

F45-49

4371

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

12888

Females

4087

F45-49

4087

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

17112

Females

6466

F45-49

6466

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18917

Females

7458

F45-49

7458

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

14723

Females

5120

F45-49

5120

Passing Analysis

Category:
Athletes Passed
2419
Passed By
1056
Net Change
+1363
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18964
5K → 10K314360-46#18964#19010
10K → 15K129259-130#19010#19140
15K → 20K22395+128#19140#19012
20K → Half419+32#19012#18980
Half → 25K30515+290#18980#18690
25K → 30K179156+23#18690#18667
30K → 20M15427+127#18667#18540
20M → 21M19812+186#18540#18354
21M → 35K1991+198#18354#18156
35K → 23M2611+260#18156#17896
23M → 24M2072+205#17896#17691
24M → 40K5649+7#17691#17684
40K → 25.2M1250-38#17684#17722
25.2M → Finish14120+121#17722#17601
TOTALS24191056+1363
📊

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