Boston Marathon logo
BOSTON MARATHON 2023

Mariana Vega

Bib: 11979•F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 30%
Gender (Female)
#0 / 11423
Top 11%
Division (F18-39)
#0 / 4884
Top 20%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:26
Rank: #10017
Start → 5K
23:26 | 7:33/mi
10K· 6.21 mi
45:46
Rank: #8937 (+1080)
5K → 10K
22:20 | 7:11/mi
15K· 9.32 mi
1:08:22
Rank: #8731 (+206)
10K → 15K
22:36 | 7:16/mi
20K· 12.43 mi
1:31:18
Rank: #8608 (+123)
15K → 20K
22:56 | 7:23/mi
Half· 13.11 mi
1:36:15
Rank: #8587 (+21)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:54:13
Rank: #8461 (+126)
Half → 25K
17:58 | 7:25/mi
30K· 18.64 mi
2:17:51
Rank: #8322 (+139)
25K → 30K
23:38 | 7:36/mi
20M
2:28:17
Rank: #8275 (+47)
30K → 20M
10:26 | 7:41/mi
21M
2:36:34
Rank: #8309 (-34)
20M → 21M
8:17 | 8:17/mi
35K· 21.75 mi
2:41:59
Rank: #8234 (+75)
21M → 35K
5:25 | 7:14/mi
23M
2:51:26
Rank: #8107 (+127)
35K → 23M
9:27 | 7:33/mi
24M
2:58:44
Rank: #7999 (+108)
23M → 24M
7:18 | 7:18/mi
40K· 24.85 mi
3:05:15
Rank: #7943 (+56)
24M → 40K
6:31 | 7:37/mi
25.2M
3:08:03
Rank: #7919 (+24)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:15:38
Rank: #7909 (+10)
25.2M → Finish
7:35 | 7:26/mi

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
Time1:36:15
Pace7:21 /mi
2nd Half
Distance13.11 mi
Time1:39:23
Pace7:35 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3823:267:3323:26
7:33
-
10K
6.21 mi11:12:5845:467:2222:20
7:11
-0:22
15K
9.32 mi11:35:341:08:227:2022:36
7:16
+0:05
20K
12.43 mi11:58:301:31:187:2122:56
7:23
+0:07
Half
13.11 mi12:03:271:36:157:214:57
7:15
-0:08
25K
15.53 mi12:21:251:54:137:2117:58
7:25
+0:10
30K
18.64 mi12:45:032:17:517:2423:38
7:36
+0:11
20M
20.00 mi12:55:292:28:177:2510:26
7:41
+0:05
21M
21.00 mi13:03:462:36:347:278:17
8:17
+0:36
35K
21.75 mi13:09:112:41:597:275:25
7:14
-1:03
23M
23.00 mi13:18:382:51:267:279:27
7:33
+0:19
24M
24.00 mi13:25:562:58:447:277:18
7:18
-0:15
40K
24.85 mi13:32:273:05:157:276:31
7:37
+0:19
25.2M
25.20 mi13:35:153:08:037:282:48
8:07
+0:30
Finish
26.22 mi13:42:503:15:387:287:35
7:26
-0:41

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

7:11 /mi

Average Pace

7:28 /mi

Slowest Pace

8:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04:33

94% of race

Time at Steady Pace

11:05

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:28 /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 mi10:50:3823:267:3323:26
7:33
#10017
10K
6.21 mi11:12:5845:467:2222:20
7:11
#8937
15K
9.32 mi11:35:341:08:227:2022:36
7:16
#8731
20K
12.43 mi11:58:301:31:187:2122:56
7:23
#8608
Half
13.11 mi12:03:271:36:157:214:57
7:15
#8587
25K
15.53 mi12:21:251:54:137:2117:58
7:25
#8461
30K
18.64 mi12:45:032:17:517:2423:38
7:36
#8322
20M
20.00 mi12:55:292:28:177:2510:26
7:41
#8275
21M
21.00 mi13:03:462:36:347:278:17
8:17
#8309
35K
21.75 mi13:09:112:41:597:275:25
7:14
#8234
23M
23.00 mi13:18:382:51:267:279:27
7:33
#8107
24M
24.00 mi13:25:562:58:447:277:18
7:18
#7999
40K
24.85 mi13:32:273:05:157:276:31
7:37
#7943
25.2M
25.20 mi13:35:153:08:037:282:48
8:07
#7919
Finish
26.22 mi13:42:503:15:387:287:35
7:26
#7909
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10017186618668365(Top 31%)1203(Top 11%)1203(Top 25%)
10K6.21 mi3.10 mi8937+10801387+4791387+4798028(Top 30%)1057(Top 9%)1057(Top 22%)
15K9.32 mi3.11 mi8731+2061319+681319+688365(Top 31%)1203(Top 11%)1203(Top 25%)
20K12.43 mi3.11 mi8608+1231278+411278+418387(Top 32%)1256(Top 11%)1256(Top 26%)
Half13.11 mi0.68 mi8587+211270+81270+88312(Top 31%)1217(Top 11%)1217(Top 25%)
25K15.53 mi2.42 mi8461+1261244+261244+268120(Top 31%)1226(Top 11%)1226(Top 25%)
30K18.64 mi3.11 mi8322+1391238+61238+67991(Top 30%)1304(Top 11%)1304(Top 27%)
20M20.00 mi1.36 mi8275+471242-41242-48039(Top 30%)1414(Top 12%)1414(Top 29%)
21M21.00 mi1.00 mi8309-341269-271269-279145(Top 34%)1977(Top 17%)1977(Top 40%)
35K21.75 mi0.75 mi8234+751253+161253+166819(Top 26%)1037(Top 9%)1037(Top 21%)
23M23.00 mi1.25 mi8107+1271223+301223+306747(Top 25%)1078(Top 9%)1078(Top 22%)
24M24.00 mi1.00 mi7999+1081206+171206+176413(Top 24%)1052(Top 9%)1052(Top 22%)
40K24.85 mi0.85 mi7943+561200+61200+67470(Top 28%)1543(Top 14%)1543(Top 32%)
25.2M25.20 mi0.35 mi7919+241201-11201-17264(Top 27%)1508(Top 13%)1508(Top 31%)
Finish26.22 mi1.02 mi7909+101223-221223-228107(Top 30%)1871(Top 16%)1871(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8365

Females

1203

F18-39

1203

5K→10K

3.1 - 6.2 mi

Top 30%
×5stories
+79ft-138ft

Overall

8028

Females

1057

F18-39

1057

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8365

Females

1203

F18-39

1203

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

8387

Females

1256

F18-39

1256

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8312

Females

1217

F18-39

1217

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

8120

Females

1226

F18-39

1226

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

7991

Females

1304

F18-39

1304

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

8039

Females

1414

F18-39

1414

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9145

Females

1977

F18-39

1977

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

6819

Females

1037

F18-39

1037

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6747

Females

1078

F18-39

1078

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6413

Females

1052

F18-39

1052

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7470

Females

1543

F18-39

1543

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7264

Females

1508

F18-39

1508

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

8107

Females

1871

F18-39

1871

Passing Analysis

Category:
Athletes Passed
2675*
Passed By
567
Net Change
+2108
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10017
5K → 10K1112*32+1080#10017#8937
10K → 15K26256+206#8937#8731
15K → 20K19168+123#8731#8608
20K → Half3716+21#8608#8587
Half → 25K16135+126#8587#8461
25K → 30K22485+139#8461#8322
30K → 20M8639+47#8322#8275
20M → 21M5993-34#8275#8309
21M → 35K8510+75#8309#8234
35K → 23M15023+127#8234#8107
23M → 24M12315+108#8107#7999
24M → 40K8024+56#7999#7943
40K → 25.2M3915+24#7943#7919
25.2M → Finish6656+10#7919#7909
TOTALS2675*567+2108

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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