Boston Marathon logo
BOSTON MARATHON 2023

Kristy Hall

Bib: 15362•F

OR

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 38%
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
7:56/mi
24:38
↑ 97↓ 3451.5%
10K· 6.21 mi
7:56/mi
49:17
↑ 79↓ 1380.4%
15K· 9.32 mi
8:23/mi
1:15:20
↑ 67↓ 78
20K· 12.43 mi
8:17/mi
1:41:03
↑ 106↓ 860.1%
Half· 13.11 mi
8:05/mi
1:46:34
↑ 19↓ 370.5%
25K· 15.53 mi
8:18/mi
2:06:41
↑ 66↓ 880.2%
30K· 18.64 mi
8:28/mi
2:32:58
↑ 181↓ 1480.2%
20M
8:33/mi
2:44:35
↑ 64↓ 500.2%
21M
9:08/mi
2:53:43
↑ 106↓ 241.6%
35K· 21.75 mi
8:15/mi
2:59:53
↑ 17↓ 861.7%
23M
8:34/mi
3:10:36
↑ 23↓ 630.6%
24M
8:01/mi
3:18:37
↓ 821.3%
40K· 24.85 mi
8:10/mi
3:25:36
↓ 200.3%
25.2M
8:36/mi
3:28:34
↑ 13↓ 160.2%
Finish· 26.22 mi
7:47/mi
3:36:30
↑ 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
Time1:46:34
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:49:56
Pace8:23 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:2724:387:5624:38
7:56
-
10K
6.21 mi11:20:0649:177:5624:39
7:56
0:00
15K
9.32 mi11:46:091:15:208:0526:03
8:23
+0:27
20K
12.43 mi12:11:521:41:038:0825:43
8:17
-0:06
Half
13.11 mi12:17:231:46:348:085:31
8:05
-0:12
25K
15.53 mi12:37:302:06:418:0920:07
8:18
+0:13
30K
18.64 mi13:03:472:32:588:1226:17
8:28
+0:10
20M
20.00 mi13:15:242:44:358:1411:37
8:33
+0:05
21M
21.00 mi13:24:322:53:438:169:08
9:08
+0:35
35K
21.75 mi13:30:422:59:538:166:10
8:15
-0:53
23M
23.00 mi13:41:253:10:368:1710:43
8:34
+0:19
24M
24.00 mi13:49:263:18:378:178:01
8:01
-0:33
40K
24.85 mi13:56:253:25:368:166:59
8:10
+0:09
25.2M
25.20 mi13:59:233:28:348:172:58
8:36
+0:26
Finish
26.22 mi14:07:193:36:308:167:56
7:47
-0:49

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

7:47 /mi

Average Pace

8:16 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:13:41

89% of race

Time at Steady Pace

22:49

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:15 /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 mi10:55:2724:387:5624:38
7:56
#13508
10K
6.21 mi11:20:0649:177:5624:39
7:56
#13835
15K
9.32 mi11:46:091:15:208:0526:03
8:23
#14998
20K
12.43 mi12:11:521:41:038:0825:43
8:17
#15104
Half
13.11 mi12:17:231:46:348:085:31
8:05
#15086
25K
15.53 mi12:37:302:06:418:0920:07
8:18
#15030
30K
18.64 mi13:03:472:32:588:1226:17
8:28
#14866
20M
20.00 mi13:15:242:44:358:1411:37
8:33
#14774
21M
21.00 mi13:24:322:53:438:169:08
9:08
#14706
35K
21.75 mi13:30:422:59:538:166:10
8:15
#14650
23M
23.00 mi13:41:253:10:368:1710:43
8:34
#14576
24M
24.00 mi13:49:263:18:378:178:01
8:01
#14414
40K
24.85 mi13:56:253:25:368:166:59
8:10
#14286
25.2M
25.20 mi13:59:233:28:348:172:58
8:36
#14215
Finish
26.22 mi14:07:193:36:308:167:56
7:47
#14059
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi135083724372417052(Top 64%)5950(Top 52%)5950(Top 122%)
10K6.21 mi3.10 mi13835-3273940-2163940-21614288(Top 54%)4228(Top 37%)4228(Top 87%)
15K9.32 mi3.11 mi14998-11634661-7214661-72117052(Top 64%)5950(Top 52%)5950(Top 122%)
20K12.43 mi3.11 mi15104-1064751-904751-9015466(Top 58%)5005(Top 44%)5005(Top 102%)
Half13.11 mi0.68 mi15086+184736+154736+1515051(Top 57%)4696(Top 41%)4696(Top 96%)
25K15.53 mi2.42 mi15030+564728+84728+814931(Top 56%)4783(Top 42%)4783(Top 98%)
30K18.64 mi3.11 mi14866+1644656+724656+7214050(Top 53%)4358(Top 38%)4358(Top 89%)
20M20.00 mi1.36 mi14774+924623+334623+3313931(Top 52%)4365(Top 38%)4365(Top 89%)
21M21.00 mi1.00 mi14706+684615+84615+814135(Top 53%)4555(Top 40%)4555(Top 93%)
35K21.75 mi0.75 mi14650+564595+204595+2013769(Top 52%)4432(Top 39%)4432(Top 91%)
23M23.00 mi1.25 mi14576+744573+224573+2213593(Top 51%)4388(Top 38%)4388(Top 90%)
24M24.00 mi1.00 mi14414+1624501+724501+7211400(Top 43%)3295(Top 29%)3295(Top 67%)
40K24.85 mi0.85 mi14286+1284446+554446+5511183(Top 42%)3253(Top 28%)3253(Top 67%)
25.2M25.20 mi0.35 mi14215+714419+274419+2710275(Top 39%)2855(Top 25%)2855(Top 58%)
Finish26.22 mi1.02 mi14059+1564334+854334+8510610(Top 40%)3002(Top 26%)3002(Top 61%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

17052

Females

5950

F18-39

5950

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

14288

Females

4228

F18-39

4228

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

17052

Females

5950

F18-39

5950

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

15466

Females

5005

F18-39

5005

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

15051

Females

4696

F18-39

4696

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

14931

Females

4783

F18-39

4783

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

14050

Females

4358

F18-39

4358

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13931

Females

4365

F18-39

4365

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

14135

Females

4555

F18-39

4555

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

13769

Females

4432

F18-39

4432

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

13593

Females

4388

F18-39

4388

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

11400

Females

3295

F18-39

3295

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11183

Females

3253

F18-39

3253

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10275

Females

2855

F18-39

2855

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

10610

Females

3002

F18-39

3002

Passing Analysis

Category:
Athletes Passed
1775
Passed By
2326
Net Change
-551
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13508
5K → 10K154481-327#13508#13835
10K → 15K181181-1163#13835#14998
15K → 20K146252-106#14998#15104
20K → Half4527+18#15104#15086
Half → 25K163107+56#15086#15030
25K → 30K25995+164#15030#14866
30K → 20M12735+92#14866#14774
20M → 21M12052+68#14774#14706
21M → 35K8125+56#14706#14650
35K → 23M11137+74#14650#14576
23M → 24M17210+162#14576#14414
24M → 40K13911+128#14414#14286
40K → 25.2M721+71#14286#14215
25.2M → Finish16812+156#14215#14059
TOTALS17752326-551
📊

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