Boston Marathon logo
BOSTON MARATHON 2023

Meredith Jones

Bib: 15607•F

PA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 49%
Gender (Female)
#0 / 11423
Top 32%
Division (F18-39)
#0 / 4884
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
8:05/mi
25:08
↑ 97↓ 3451.5%
10K· 6.21 mi
8:02/mi
50:05
↑ 79↓ 1380.4%
15K· 9.32 mi
8:03/mi
1:15:06
↑ 67↓ 78
20K· 12.43 mi
7:56/mi
1:39:45
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:45:10
↑ 19↓ 370.5%
25K· 15.53 mi
8:08/mi
2:04:52
↑ 66↓ 880.2%
30K· 18.64 mi
8:21/mi
2:30:49
↑ 181↓ 1480.2%
20M
8:44/mi
2:42:41
↑ 64↓ 500.2%
21M
8:44/mi
2:51:25
↑ 106↓ 241.6%
35K· 21.75 mi
8:14/mi
2:57:35
↑ 17↓ 861.7%
23M
8:14/mi
3:07:54
↑ 23↓ 630.6%
24M
7:49/mi
3:15:43
↓ 821.3%
40K· 24.85 mi
7:51/mi
3:22:26
↓ 200.3%
25.2M
7:53/mi
3:25:09
↑ 13↓ 160.2%
Finish· 26.22 mi
7:27/mi
3:32:45
↑ 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
Time1:45:10
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:47:35
Pace8:12 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:3525:088:0525:08
8:05
-
10K
6.21 mi11:20:3250:058:0424:57
8:02
-0:03
15K
9.32 mi11:45:331:15:068:0325:01
8:03
+0:01
20K
12.43 mi12:10:121:39:458:0224:39
7:56
-0:07
Half
13.11 mi12:15:371:45:108:015:25
7:56
0:00
25K
15.53 mi12:35:192:04:528:0219:42
8:08
+0:12
30K
18.64 mi13:01:162:30:498:0525:57
8:21
+0:13
20M
20.00 mi13:13:082:42:418:0811:52
8:44
+0:23
21M
21.00 mi13:21:522:51:258:108:44
8:44
0:00
35K
21.75 mi13:28:022:57:358:106:10
8:14
-0:30
23M
23.00 mi13:38:213:07:548:1010:19
8:14
0:00
24M
24.00 mi13:46:103:15:438:097:49
7:49
-0:25
40K
24.85 mi13:52:533:22:268:096:43
7:51
+0:02
25.2M
25.20 mi13:55:363:25:098:082:43
7:53
+0:02
Finish
26.22 mi14:03:123:32:458:077:36
7:27
-0:26

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

7:27 /mi

Average Pace

8:07 /mi

Slowest Pace

8:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:43

70% of race

Time at Steady Pace

1:03:02

30% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:07 /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 mi10:55:3525:088:0525:08
8:05
#14644
10K
6.21 mi11:20:3250:058:0424:57
8:02
#14823
15K
9.32 mi11:45:331:15:068:0325:01
8:03
#14804
20K
12.43 mi12:10:121:39:458:0224:39
7:56
#14300
Half
13.11 mi12:15:371:45:108:015:25
7:56
#14282
25K
15.53 mi12:35:192:04:528:0219:42
8:08
#14185
30K
18.64 mi13:01:162:30:498:0525:57
8:21
#14029
20M
20.00 mi13:13:082:42:418:0811:52
8:44
#14119
21M
21.00 mi13:21:522:51:258:108:44
8:44
#13935
35K
21.75 mi13:28:022:57:358:106:10
8:14
#13912
23M
23.00 mi13:38:213:07:548:1010:19
8:14
#13738
24M
24.00 mi13:46:103:15:438:097:49
7:49
#13535
40K
24.85 mi13:52:533:22:268:096:43
7:51
#13341
25.2M
25.20 mi13:55:363:25:098:082:43
7:53
#13188
Finish
26.22 mi14:03:123:32:458:077:36
7:27
#12988
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 mi146444413441314818(Top 56%)4575(Top 40%)4575(Top 94%)
10K6.21 mi3.10 mi14823-1794537-1244537-12415019(Top 56%)4688(Top 41%)4688(Top 96%)
15K9.32 mi3.11 mi14804+194541-44541-414818(Top 56%)4575(Top 40%)4575(Top 94%)
20K12.43 mi3.11 mi14300+5044256+2854256+28512922(Top 49%)3506(Top 31%)3506(Top 72%)
Half13.11 mi0.68 mi14282+184251+54251+513803(Top 52%)3988(Top 35%)3988(Top 82%)
25K15.53 mi2.42 mi14185+974219+324219+3213688(Top 51%)4023(Top 35%)4023(Top 82%)
30K18.64 mi3.11 mi14029+1564166+534166+5313363(Top 50%)3952(Top 35%)3952(Top 81%)
20M20.00 mi1.36 mi14119-904239-734239-7315100(Top 57%)5064(Top 44%)5064(Top 104%)
21M21.00 mi1.00 mi13935+1844139+1004139+10011822(Top 44%)3322(Top 29%)3322(Top 68%)
35K21.75 mi0.75 mi13912+234145-64145-613675(Top 51%)4408(Top 39%)4408(Top 90%)
23M23.00 mi1.25 mi13738+1744066+794066+7911510(Top 43%)3270(Top 29%)3270(Top 67%)
24M24.00 mi1.00 mi13535+2033961+1053961+1059977(Top 37%)2595(Top 23%)2595(Top 53%)
40K24.85 mi0.85 mi13341+1943864+973864+979101(Top 34%)2233(Top 20%)2233(Top 46%)
25.2M25.20 mi0.35 mi13188+1533789+753789+755929(Top 22%)1060(Top 9%)1060(Top 22%)
Finish26.22 mi1.02 mi12988+2003692+973692+978288(Top 31%)1963(Top 17%)1963(Top 40%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

14818

Females

4575

F18-39

4575

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

15019

Females

4688

F18-39

4688

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

14818

Females

4575

F18-39

4575

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

12922

Females

3506

F18-39

3506

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13803

Females

3988

F18-39

3988

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

13688

Females

4023

F18-39

4023

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

13363

Females

3952

F18-39

3952

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

15100

Females

5064

F18-39

5064

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

11822

Females

3322

F18-39

3322

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

13675

Females

4408

F18-39

4408

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

11510

Females

3270

F18-39

3270

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

9977

Females

2595

F18-39

2595

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9101

Females

2233

F18-39

2233

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5929

Females

1060

F18-39

1060

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2story building
+22ft-21ft

Overall

8288

Females

1963

F18-39

1963

Passing Analysis

Category:
Athletes Passed
2697
Passed By
1041
Net Change
+1656
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14644
5K → 10K217396-179#14644#14823
10K → 15K200181+19#14823#14804
15K → 20K52420+504#14804#14300
20K → Half3921+18#14300#14282
Half → 25K17881+97#14282#14185
25K → 30K269113+156#14185#14029
30K → 20M60150-90#14029#14119
20M → 21M20521+184#14119#13935
21M → 35K5431+23#13935#13912
35K → 23M18814+174#13912#13738
23M → 24M2085+203#13738#13535
24M → 40K1962+194#13535#13341
40K → 25.2M1530+153#13341#13188
25.2M → Finish2066+200#13188#12988
TOTALS26971041+1656
📊

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