Boston Marathon logo
BOSTON MARATHON 2023

Brianna Salverda

Bib: 17686•F

AB

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 46%
Gender (Female)
#0 / 11423
Top 28%
Division (F18-39)
#0 / 4884
Top 46%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:18
Rank: #12586
Start → 5K
24:18 | 7:49/mi
10K· 6.21 mi
48:03
Rank: #12137 (+449)
5K → 10K
23:45 | 7:39/mi
15K· 9.32 mi
1:12:22
Rank: #12361 (-224)
10K → 15K
24:19 | 7:50/mi
20K· 12.43 mi
1:36:50
Rank: #12335 (+26)
15K → 20K
24:28 | 7:53/mi
Half· 13.11 mi
1:42:10
Rank: #12354 (-19)
20K → Half
5:20 | 7:49/mi
25K· 15.53 mi
2:01:18
Rank: #12263 (+91)
Half → 25K
19:08 | 7:53/mi
30K· 18.64 mi
2:26:11
Rank: #11967 (+296)
25K → 30K
24:53 | 8:01/mi
20M
2:37:18
Rank: #11926 (+41)
30K → 20M
11:07 | 8:11/mi
21M
2:46:42
Rank: #12164 (-238)
20M → 21M
9:24 | 9:24/mi
35K· 21.75 mi
2:52:36
Rank: #12135 (+29)
21M → 35K
5:54 | 7:53/mi
23M
3:03:08
Rank: #12157 (-22)
35K → 23M
10:32 | 8:25/mi
24M
3:11:21
Rank: #12196 (-39)
23M → 24M
8:13 | 8:13/mi
40K· 24.85 mi
3:18:31
Rank: #12177 (+19)
24M → 40K
7:10 | 8:23/mi
25.2M
3:21:43
Rank: #12221 (-44)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:29:39
Rank: #12152 (+69)
25.2M → Finish
7:56 | 7:47/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
Time1:42:10
Pace7:48 /mi
2nd Half
Distance13.11 mi
Time1:47:29
Pace8:12 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:3924:187:4924:18
7:49
-
10K
6.21 mi11:43:2448:037:4423:45
7:39
-0:10
15K
9.32 mi12:07:431:12:227:4624:19
7:50
+0:11
20K
12.43 mi12:32:111:36:507:4824:28
7:53
+0:03
Half
13.11 mi12:37:311:42:107:485:20
7:49
-0:04
25K
15.53 mi12:56:392:01:187:4919:08
7:53
+0:04
30K
18.64 mi13:21:322:26:117:5124:53
8:01
+0:08
20M
20.00 mi13:32:392:37:187:5211:07
8:11
+0:10
21M
21.00 mi13:42:032:46:427:569:24
9:24
+1:13
35K
21.75 mi13:47:572:52:367:565:54
7:53
-1:31
23M
23.00 mi13:58:293:03:087:5810:32
8:25
+0:32
24M
24.00 mi14:06:423:11:217:588:13
8:13
-0:12
40K
24.85 mi14:13:523:18:317:597:10
8:23
+0:10
25.2M
25.20 mi14:17:043:21:438:003:12
9:17
+0:54
Finish
26.22 mi14:25:003:29:398:007:56
7:47
-1:30

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

7:39 /mi

Average Pace

8:00 /mi

Slowest Pace

9:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:40:01

76% of race

Time at Slower Pace

49:38

24% of race

Average Pace: 8:00 /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 mi11:19:3924:187:4924:18
7:49
#12586
10K
6.21 mi11:43:2448:037:4423:45
7:39
#12137
15K
9.32 mi12:07:431:12:227:4624:19
7:50
#12361
20K
12.43 mi12:32:111:36:507:4824:28
7:53
#12335
Half
13.11 mi12:37:311:42:107:485:20
7:49
#12354
25K
15.53 mi12:56:392:01:187:4919:08
7:53
#12263
30K
18.64 mi13:21:322:26:117:5124:53
8:01
#11967
20M
20.00 mi13:32:392:37:187:5211:07
8:11
#11926
21M
21.00 mi13:42:032:46:427:569:24
9:24
#12164
35K
21.75 mi13:47:572:52:367:565:54
7:53
#12135
23M
23.00 mi13:58:293:03:087:5810:32
8:25
#12157
24M
24.00 mi14:06:423:11:217:588:13
8:13
#12196
40K
24.85 mi14:13:523:18:317:597:10
8:23
#12177
25.2M
25.20 mi14:17:043:21:438:003:12
9:17
#12221
Finish
26.22 mi14:25:003:29:398:007:56
7:47
#12152
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi125863214321412965(Top 49%)3458(Top 30%)3458(Top 71%)
10K6.21 mi3.10 mi12137+4492940+2742940+27411768(Top 44%)2744(Top 24%)2744(Top 56%)
15K9.32 mi3.11 mi12361-2243102-1623102-16212965(Top 49%)3458(Top 30%)3458(Top 71%)
20K12.43 mi3.11 mi12335+263111-93111-912424(Top 47%)3216(Top 28%)3216(Top 66%)
Half13.11 mi0.68 mi12354-193123-123123-1212992(Top 49%)3521(Top 31%)3521(Top 72%)
25K15.53 mi2.42 mi12263+913094+293094+2911880(Top 45%)3012(Top 26%)3012(Top 62%)
30K18.64 mi3.11 mi11967+2962959+1352959+13510998(Top 41%)2641(Top 23%)2641(Top 54%)
20M20.00 mi1.36 mi11926+412954+52954+511616(Top 44%)3077(Top 27%)3077(Top 63%)
21M21.00 mi1.00 mi12164-2383105-1513105-15115516(Top 58%)5371(Top 47%)5371(Top 110%)
35K21.75 mi0.75 mi12135+293111-63111-611386(Top 43%)3091(Top 27%)3091(Top 63%)
23M23.00 mi1.25 mi12157-223144-333144-3312713(Top 48%)3925(Top 34%)3925(Top 80%)
24M24.00 mi1.00 mi12196-393186-423186-4212782(Top 48%)4021(Top 35%)4021(Top 82%)
40K24.85 mi0.85 mi12177+193200-143200-1412658(Top 48%)4050(Top 35%)4050(Top 83%)
25.2M25.20 mi0.35 mi12221-443226-263226-2614206(Top 53%)4889(Top 43%)4889(Top 100%)
Finish26.22 mi1.02 mi12152+693211+153211+1510628(Top 40%)3019(Top 26%)3019(Top 62%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

12965

Females

3458

F18-39

3458

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

11768

Females

2744

F18-39

2744

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

12965

Females

3458

F18-39

3458

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

12424

Females

3216

F18-39

3216

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

12992

Females

3521

F18-39

3521

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

11880

Females

3012

F18-39

3012

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

10998

Females

2641

F18-39

2641

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

11616

Females

3077

F18-39

3077

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

15516

Females

5371

F18-39

5371

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

11386

Females

3091

F18-39

3091

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

12713

Females

3925

F18-39

3925

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

12782

Females

4021

F18-39

4021

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12658

Females

4050

F18-39

4050

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14206

Females

4889

F18-39

4889

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

10628

Females

3019

F18-39

3019

Passing Analysis

Category:
Athletes Passed
1995
Passed By
1561
Net Change
+434
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12586
5K → 10K588139+449#12586#12137
10K → 15K116340-224#12137#12361
15K → 20K189163+26#12361#12335
20K → Half2342-19#12335#12354
Half → 25K16372+91#12354#12263
25K → 30K36367+296#12263#11967
30K → 20M11776+41#11967#11926
20M → 21M34272-238#11926#12164
21M → 35K6334+29#12164#12135
35K → 23M78100-22#12135#12157
23M → 24M5392-39#12157#12196
24M → 40K6647+19#12196#12177
40K → 25.2M1963-44#12177#12221
25.2M → Finish12354+69#12221#12152
TOTALS19951561+434
📊

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