Boston Marathon logo
BOSTON MARATHON 2023

Christina Campos

Bib: 18339•F

IN

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

Start
0:00:00
Race begins
5K· 3.11 mi
25:12
Rank: #14809
Start → 5K
25:12 | 8:07/mi
10K· 6.21 mi
50:36
Rank: #15421 (-612)
5K → 10K
25:24 | 8:11/mi
15K· 9.32 mi
1:16:13
Rank: #15654 (-233)
10K → 15K
25:37 | 8:15/mi
20K· 12.43 mi
1:42:28
Rank: #15893 (-239)
15K → 20K
26:15 | 8:27/mi
Half· 13.11 mi
1:48:13
Rank: #15950 (-57)
20K → Half
5:45 | 8:26/mi
25K· 15.53 mi
2:08:59
Rank: #16058 (-108)
Half → 25K
20:46 | 8:34/mi
30K· 18.64 mi
2:36:39
Rank: #16183 (-125)
25K → 30K
27:40 | 8:54/mi
20M
2:48:59
Rank: #16213 (-30)
30K → 20M
12:20 | 9:05/mi
21M
2:58:40
Rank: #16249 (-36)
20M → 21M
9:41 | 9:41/mi
35K· 21.75 mi
3:05:15
Rank: #16269 (-20)
21M → 35K
6:35 | 8:48/mi
23M
3:16:37
Rank: #16265 (+4)
35K → 23M
11:22 | 9:05/mi
24M
3:25:33
Rank: #16277 (-12)
23M → 24M
8:56 | 8:56/mi
40K· 24.85 mi
3:33:35
Rank: #16343 (-66)
24M → 40K
8:02 | 9:24/mi
25.2M
3:36:50
Rank: #16312 (+31)
40K → 25.2M
3:15 | 9:24/mi
Finish· 26.22 mi
3:46:25
Rank: #16495 (-183)
25.2M → Finish
9:35 | 9:24/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
Time1:48:13
Pace8:15 /mi
2nd Half
Distance13.11 mi
Time1:58:12
Pace9:01 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:1925:128:0725:12
8:07
-
10K
6.21 mi11:41:4350:368:0925:24
8:11
+0:04
15K
9.32 mi12:07:201:16:138:1125:37
8:15
+0:04
20K
12.43 mi12:33:351:42:288:1526:15
8:27
+0:12
Half
13.11 mi12:39:201:48:138:155:45
8:26
-0:01
25K
15.53 mi13:00:062:08:598:1820:46
8:34
+0:08
30K
18.64 mi13:27:462:36:398:2427:40
8:54
+0:20
20M
20.00 mi13:40:062:48:598:2712:20
9:05
+0:11
21M
21.00 mi13:49:472:58:408:309:41
9:41
+0:36
35K
21.75 mi13:56:223:05:158:316:35
8:48
-0:53
23M
23.00 mi14:07:443:16:378:3311:22
9:05
+0:17
24M
24.00 mi14:16:403:25:338:348:56
8:56
-0:09
40K
24.85 mi14:24:423:33:358:368:02
9:24
+0:28
25.2M
25.20 mi14:27:573:36:508:363:15
9:24
0:00
Finish
26.22 mi14:37:323:46:258:399:35
9:24
0:00

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

8:07 /mi

Average Pace

8:39 /mi

Slowest Pace

9:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:14

72% of race

Time at Steady Pace

53:30

24% of race

Time at Slower Pace

9:41

4% of race

Average Pace: 8:38 /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 mi11:16:1925:128:0725:12
8:07
#14809
10K
6.21 mi11:41:4350:368:0925:24
8:11
#15421
15K
9.32 mi12:07:201:16:138:1125:37
8:15
#15654
20K
12.43 mi12:33:351:42:288:1526:15
8:27
#15893
Half
13.11 mi12:39:201:48:138:155:45
8:26
#15950
25K
15.53 mi13:00:062:08:598:1820:46
8:34
#16058
30K
18.64 mi13:27:462:36:398:2427:40
8:54
#16183
20M
20.00 mi13:40:062:48:598:2712:20
9:05
#16213
21M
21.00 mi13:49:472:58:408:309:41
9:41
#16249
35K
21.75 mi13:56:223:05:158:316:35
8:48
#16269
23M
23.00 mi14:07:443:16:378:3311:22
9:05
#16265
24M
24.00 mi14:16:403:25:338:348:56
8:56
#16277
40K
24.85 mi14:24:423:33:358:368:02
9:24
#16343
25.2M
25.20 mi14:27:573:36:508:363:15
9:24
#16312
Finish
26.22 mi14:37:323:46:258:399:35
9:24
#16495
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi148094523452316201(Top 61%)5417(Top 47%)5417(Top 111%)
10K6.21 mi3.10 mi15421-6124916-3934916-39316094(Top 60%)5336(Top 47%)5336(Top 109%)
15K9.32 mi3.11 mi15654-2335071-1555071-15516201(Top 61%)5417(Top 47%)5417(Top 111%)
20K12.43 mi3.11 mi15893-2395239-1685239-16816548(Top 62%)5676(Top 50%)5676(Top 116%)
Half13.11 mi0.68 mi15950-575278-395278-3917328(Top 65%)6074(Top 53%)6074(Top 124%)
25K15.53 mi2.42 mi16058-1085374-965374-9616604(Top 62%)5778(Top 51%)5778(Top 118%)
30K18.64 mi3.11 mi16183-1255491-1175491-11716682(Top 63%)5878(Top 51%)5878(Top 120%)
20M20.00 mi1.36 mi16213-305526-355526-3516936(Top 64%)6116(Top 54%)6116(Top 125%)
21M21.00 mi1.00 mi16249-365569-435569-4316791(Top 63%)6067(Top 53%)6067(Top 124%)
35K21.75 mi0.75 mi16269-205587-185587-1816953(Top 64%)6247(Top 55%)6247(Top 128%)
23M23.00 mi1.25 mi16265+45593-65593-616454(Top 62%)5998(Top 53%)5998(Top 123%)
24M24.00 mi1.00 mi16277-125620-275620-2716935(Top 64%)6316(Top 55%)6316(Top 129%)
40K24.85 mi0.85 mi16343-665681-615681-6117980(Top 68%)6951(Top 61%)6951(Top 142%)
25.2M25.20 mi0.35 mi16312+315667+145667+1414716(Top 55%)5177(Top 45%)5177(Top 106%)
Finish26.22 mi1.02 mi16495-1835785-1185785-11819750(Top 74%)7874(Top 69%)7874(Top 161%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

16201

Females

5417

F18-39

5417

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

16094

Females

5336

F18-39

5336

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

16201

Females

5417

F18-39

5417

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

16548

Females

5676

F18-39

5676

20K→Half

12.4 - 13.1 mi

Top 65%
×2stories
+19ft-37ft

Overall

17328

Females

6074

F18-39

6074

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

16604

Females

5778

F18-39

5778

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

16682

Females

5878

F18-39

5878

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

16936

Females

6116

F18-39

6116

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

16791

Females

6067

F18-39

6067

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

16953

Females

6247

F18-39

6247

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

16454

Females

5998

F18-39

5998

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

16935

Females

6316

F18-39

6316

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

17980

Females

6951

F18-39

6951

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14716

Females

5177

F18-39

5177

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2stories
+22ft-21ft

Overall

19750

Females

7874

F18-39

7874

Passing Analysis

Category:
Athletes Passed
1038
Passed By
2724
Net Change
-1686
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14809
5K → 10K99711-612#14809#15421
10K → 15K105338-233#15421#15654
15K → 20K101340-239#15654#15893
20K → Half1471-57#15893#15950
Half → 25K110218-108#15950#16058
25K → 30K146271-125#16058#16183
30K → 20M72102-30#16183#16213
20M → 21M69105-36#16213#16249
21M → 35K4868-20#16249#16269
35K → 23M8076+4#16269#16265
23M → 24M7183-12#16265#16277
24M → 40K52118-66#16277#16343
40K → 25.2M5221+31#16343#16312
25.2M → Finish19202-183#16312#16495
TOTALS10382724-1686
📊

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