Boston Marathon logo
BOSTON MARATHON 2023

Ana Belen Gomez Sousa

Bib: 17670•F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 46%
Masters (Masters Women)
#0 / 6539
Top 35%
Division (F45-49)
#0 / 1817
Top 41%
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
8:06/mi
25:11
↑ 97↓ 3451.5%
10K· 6.21 mi
7:55/mi
49:47
↑ 79↓ 1380.4%
15K· 9.32 mi
8:03/mi
1:14:49
↑ 67↓ 78
20K· 12.43 mi
8:17/mi
1:40:33
↑ 106↓ 860.1%
Half· 13.11 mi
8:10/mi
1:46:07
↑ 19↓ 370.5%
25K· 15.53 mi
8:26/mi
2:06:34
↑ 66↓ 880.2%
30K· 18.64 mi
8:49/mi
2:33:59
↑ 181↓ 1480.2%
20M
9:02/mi
2:46:15
↑ 64↓ 500.2%
21M
9:23/mi
2:55:38
↑ 106↓ 241.6%
35K· 21.75 mi
8:55/mi
3:02:18
↑ 17↓ 861.7%
23M
9:13/mi
3:13:50
↑ 23↓ 630.6%
24M
8:58/mi
3:22:48
↓ 821.3%
40K· 24.85 mi
9:06/mi
3:30:35
↓ 200.3%
25.2M
9:40/mi
3:33:55
↑ 13↓ 160.2%
Finish· 26.22 mi
8:58/mi
3:43:03
↑ 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
Time1:46:07
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time1:56:56
Pace8:55 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:4225:118:0625:11
8:06
-
10K
6.21 mi11:40:1849:478:0124:36
7:55
-0:11
15K
9.32 mi12:05:201:14:498:0225:02
8:03
+0:08
20K
12.43 mi12:31:041:40:338:0525:44
8:17
+0:14
Half
13.11 mi12:36:381:46:078:065:34
8:10
-0:07
25K
15.53 mi12:57:052:06:348:0920:27
8:26
+0:16
30K
18.64 mi13:24:302:33:598:1627:25
8:49
+0:23
20M
20.00 mi13:36:462:46:158:1912:16
9:02
+0:13
21M
21.00 mi13:46:092:55:388:229:23
9:23
+0:21
35K
21.75 mi13:52:493:02:188:236:40
8:55
-0:28
23M
23.00 mi14:04:213:13:508:2611:32
9:13
+0:18
24M
24.00 mi14:13:193:22:488:278:58
8:58
-0:15
40K
24.85 mi14:21:063:30:358:287:47
9:06
+0:08
25.2M
25.20 mi14:24:263:33:558:293:20
9:40
+0:34
Finish
26.22 mi14:33:343:43:038:319:08
8:58
-0:42

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

7:55 /mi

Average Pace

8:31 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:34

57% of race

Time at Steady Pace

1:12:14

32% of race

Time at Slower Pace

24:15

11% of race

Average Pace: 8:30 /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 mi11:15:4225:118:0625:11
8:06
#14771
10K
6.21 mi11:40:1849:478:0124:36
7:55
#14480
15K
9.32 mi12:05:201:14:498:0225:02
8:03
#14542
20K
12.43 mi12:31:041:40:338:0525:44
8:17
#14803
Half
13.11 mi12:36:381:46:078:065:34
8:10
#14843
25K
15.53 mi12:57:052:06:348:0920:27
8:26
#14973
30K
18.64 mi13:24:302:33:598:1627:25
8:49
#15196
20M
20.00 mi13:36:462:46:158:1912:16
9:02
#15317
21M
21.00 mi13:46:092:55:388:229:23
9:23
#15293
35K
21.75 mi13:52:493:02:188:236:40
8:55
#15370
23M
23.00 mi14:04:213:13:508:2611:32
9:13
#15479
24M
24.00 mi14:13:193:22:488:278:58
8:58
#15550
40K
24.85 mi14:21:063:30:358:287:47
9:06
#15605
25.2M
25.20 mi14:24:263:33:558:293:20
9:40
#15613
Finish
26.22 mi14:33:343:43:038:319:08
8:58
#15689
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi147714502450214876(Top 56%)4612(Top 40%)4612(Top 254%)
10K6.21 mi3.10 mi14480+2914330+1724330+17214154(Top 53%)4150(Top 36%)4150(Top 228%)
15K9.32 mi3.11 mi14542-624376-464376-4614876(Top 56%)4612(Top 40%)4612(Top 254%)
20K12.43 mi3.11 mi14803-2614556-1804556-18015516(Top 58%)5043(Top 44%)5043(Top 278%)
Half13.11 mi0.68 mi14843-404588-324588-3215563(Top 58%)5035(Top 44%)5035(Top 277%)
25K15.53 mi2.42 mi14973-1304694-1064694-10615818(Top 59%)5328(Top 47%)5328(Top 293%)
30K18.64 mi3.11 mi15196-2234884-1904884-19016214(Top 61%)5619(Top 49%)5619(Top 309%)
20M20.00 mi1.36 mi15317-1214973-894973-8916690(Top 63%)5963(Top 52%)5963(Top 328%)
21M21.00 mi1.00 mi15293+244993-204993-2015421(Top 58%)5298(Top 46%)5298(Top 292%)
35K21.75 mi0.75 mi15370-775051-585051-5817506(Top 66%)6548(Top 57%)6548(Top 360%)
23M23.00 mi1.25 mi15479-1095151-1005151-10017119(Top 64%)6348(Top 56%)6348(Top 349%)
24M24.00 mi1.00 mi15550-715214-635214-6317085(Top 64%)6402(Top 56%)6402(Top 352%)
40K24.85 mi0.85 mi15605-555251-375251-3716658(Top 63%)6211(Top 54%)6211(Top 342%)
25.2M25.20 mi0.35 mi15613-85259-85259-815993(Top 60%)5857(Top 51%)5857(Top 322%)
Finish26.22 mi1.02 mi15689-765304-455304-4517795(Top 67%)6799(Top 60%)6799(Top 374%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14876

Females

4612

F45-49

4612

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

14154

Females

4150

F45-49

4150

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14876

Females

4612

F45-49

4612

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

15516

Females

5043

F45-49

5043

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

15563

Females

5035

F45-49

5035

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

15818

Females

5328

F45-49

5328

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

16214

Females

5619

F45-49

5619

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

16690

Females

5963

F45-49

5963

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

15421

Females

5298

F45-49

5298

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

17506

Females

6548

F45-49

6548

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

17119

Females

6348

F45-49

6348

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

17085

Females

6402

F45-49

6402

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16658

Females

6211

F45-49

6211

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15993

Females

5857

F45-49

5857

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

17795

Females

6799

F45-49

6799

Passing Analysis

Category:
Athletes Passed
1349
Passed By
2267
Net Change
-918
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14771
5K → 10K457166+291#14771#14480
10K → 15K168230-62#14480#14542
15K → 20K108369-261#14542#14803
20K → Half2060-40#14803#14843
Half → 25K105235-130#14843#14973
25K → 30K107330-223#14973#15196
30K → 20M46167-121#15196#15317
20M → 21M9773+24#15317#15293
21M → 35K26103-77#15293#15370
35K → 23M63172-109#15370#15479
23M → 24M46117-71#15479#15550
24M → 40K4499-55#15550#15605
40K → 25.2M2129-8#15605#15613
25.2M → Finish41117-76#15613#15689
TOTALS13492267-918
📊

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