Boston Marathon logo
BOSTON MARATHON 2023

Christine Booth

Bib: 29169•F

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
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
10:47/mi
33:29
↑ 97↓ 3451.5%
10K· 6.21 mi
10:29/mi
1:06:04
↑ 79↓ 1380.4%
15K· 9.32 mi
11:01/mi
1:40:18
↑ 67↓ 78
20K· 12.43 mi
10:43/mi
2:13:36
↑ 106↓ 860.1%
Half· 13.11 mi
10:43/mi
2:20:55
↑ 19↓ 370.5%
25K· 15.53 mi
11:16/mi
2:48:15
↑ 66↓ 880.2%
30K· 18.64 mi
11:05/mi
3:22:42
↑ 181↓ 1480.2%
20M
10:48/mi
3:37:23
↑ 64↓ 500.2%
21M
11:15/mi
3:48:38
↑ 106↓ 241.6%
35K· 21.75 mi
10:43/mi
3:56:39
↑ 17↓ 861.7%
23M
11:34/mi
4:11:08
↑ 23↓ 630.6%
24M
11:11/mi
4:22:19
↓ 821.3%
40K· 24.85 mi
11:35/mi
4:32:13
↓ 200.3%
25.2M
12:08/mi
4:36:24
↑ 13↓ 160.2%
Finish· 26.22 mi
9:54/mi
4:46:29
↑ 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
Time2:20:55
Pace10:45 /mi
2nd Half
Distance13.11 mi
Time2:25:34
Pace11:06 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2333:2910:4733:29
10:47
-
10K
6.21 mi12:23:581:06:0410:3832:35
10:29
-0:18
15K
9.32 mi12:58:121:40:1810:4634:14
11:01
+0:32
20K
12.43 mi13:31:302:13:3610:4533:18
10:43
-0:18
Half
13.11 mi13:38:492:20:5510:457:19
10:43
0:00
25K
15.53 mi14:06:092:48:1510:5027:20
11:16
+0:33
30K
18.64 mi14:40:363:22:4210:5234:27
11:05
-0:11
20M
20.00 mi14:55:173:37:2310:5214:41
10:48
-0:17
21M
21.00 mi15:06:323:48:3810:5311:15
11:15
+0:27
35K
21.75 mi15:14:333:56:3910:538:01
10:43
-0:32
23M
23.00 mi15:29:024:11:0810:5514:29
11:34
+0:51
24M
24.00 mi15:40:134:22:1910:5611:11
11:11
-0:23
40K
24.85 mi15:50:074:32:1310:579:54
11:35
+0:24
25.2M
25.20 mi15:54:184:36:2410:584:11
12:08
+0:33
Finish
26.22 mi16:04:234:46:2910:5610:05
9:54
-2:14

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

9:54 /mi

Average Pace

10:56 /mi

Slowest Pace

12:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:18

32% of race

Time at Steady Pace

2:46:37

58% of race

Time at Slower Pace

28:34

10% of race

Average Pace: 10:56 /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 mi11:51:2333:2910:4733:29
10:47
#25333
10K
6.21 mi12:23:581:06:0410:3832:35
10:29
#24980
15K
9.32 mi12:58:121:40:1810:4634:14
11:01
#25081
20K
12.43 mi13:31:302:13:3610:4533:18
10:43
#24851
Half
13.11 mi13:38:492:20:5510:457:19
10:43
#24833
25K
15.53 mi14:06:092:48:1510:5027:20
11:16
#24745
30K
18.64 mi14:40:363:22:4210:5234:27
11:05
#24487
20M
20.00 mi14:55:173:37:2310:5214:41
10:48
#24321
21M
21.00 mi15:06:323:48:3810:5311:15
11:15
#24168
35K
21.75 mi15:14:333:56:3910:538:01
10:43
#24139
23M
23.00 mi15:29:024:11:0810:5514:29
11:34
#24096
24M
24.00 mi15:40:134:22:1910:5611:11
11:11
#24067
40K
24.85 mi15:50:074:32:1310:579:54
11:35
#24041
25.2M
25.20 mi15:54:184:36:2410:584:11
12:08
#24034
Finish
26.22 mi16:04:234:46:2910:5610:05
9:54
#23958
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi25333106311063125196(Top 95%)10571(Top 93%)10571(Top 876%)
10K6.21 mi3.10 mi24980+35310422+20910422+20924665(Top 93%)10257(Top 90%)10257(Top 850%)
15K9.32 mi3.11 mi25081-10110484-6210484-6225196(Top 95%)10571(Top 93%)10571(Top 876%)
20K12.43 mi3.11 mi24851+23010369+11510369+11524204(Top 91%)10031(Top 88%)10031(Top 831%)
Half13.11 mi0.68 mi24833+1810360+910360+924559(Top 92%)10243(Top 90%)10243(Top 849%)
25K15.53 mi2.42 mi24745+8810325+3510325+3524372(Top 92%)10151(Top 89%)10151(Top 841%)
30K18.64 mi3.11 mi24487+25810194+13110194+13123220(Top 87%)9580(Top 84%)9580(Top 794%)
20M20.00 mi1.36 mi24321+16610116+7810116+7822369(Top 84%)9180(Top 80%)9180(Top 761%)
21M21.00 mi1.00 mi24168+15310044+7210044+7221393(Top 80%)8684(Top 76%)8684(Top 719%)
35K21.75 mi0.75 mi24139+2910030+1410030+1422789(Top 86%)9481(Top 83%)9481(Top 786%)
23M23.00 mi1.25 mi24096+4310016+1410016+1423376(Top 88%)9792(Top 86%)9792(Top 811%)
24M24.00 mi1.00 mi24067+2910006+1010006+1023386(Top 88%)9841(Top 86%)9841(Top 815%)
40K24.85 mi0.85 mi24041+269998+89998+823340(Top 88%)9848(Top 86%)9848(Top 816%)
25.2M25.20 mi0.35 mi24034+79994+49994+422757(Top 85%)9534(Top 83%)9534(Top 790%)
Finish26.22 mi1.02 mi23958+769961+339961+3321491(Top 81%)8847(Top 77%)8847(Top 733%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21story building
+97ft-345ft

Overall

25196

Females

10571

F50-54

10571

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

24665

Females

10257

F50-54

10257

10K→15K

6.2 - 9.3 mi

Top 95%
×3story building
+67ft-78ft

Overall

25196

Females

10571

F50-54

10571

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

24204

Females

10031

F50-54

10031

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

24559

Females

10243

F50-54

10243

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

24372

Females

10151

F50-54

10151

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

23220

Females

9580

F50-54

9580

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

22369

Females

9180

F50-54

9180

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

21393

Females

8684

F50-54

8684

21M→35K

21.0 - 21.8 mi

Top 86%
×7story building
+17ft-86ft

Overall

22789

Females

9481

F50-54

9481

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

23376

Females

9792

F50-54

9792

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

23386

Females

9841

F50-54

9841

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23340

Females

9848

F50-54

9848

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22757

Females

9534

F50-54

9534

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

21491

Females

8847

F50-54

8847

Passing Analysis

Category:
Athletes Passed
1738
Passed By
363
Net Change
+1375
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25333
5K → 10K40653+353#25333#24980
10K → 15K72173-101#24980#25081
15K → 20K25020+230#25081#24851
20K → Half279+18#24851#24833
Half → 25K12335+88#24833#24745
25K → 30K2668+258#24745#24487
30K → 20M1693+166#24487#24321
20M → 21M1541+153#24321#24168
21M → 35K367+29#24168#24139
35K → 23M6017+43#24139#24096
23M → 24M4819+29#24096#24067
24M → 40K3711+26#24067#24041
40K → 25.2M136+7#24041#24034
25.2M → Finish771+76#24034#23958
TOTALS1738363+1375
📊

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