Boston Marathon logo
BOSTON MARATHON 2023

Vicky Kelly

ON

Bib: 22120 F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 48%
Division (F50-54)
#0 / 1207
Top 43%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:02/mi
24:56
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:10/mi
50:18
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:28/mi
1:16:36
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:35/mi
1:43:17
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:30/mi
1:49:05
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:45/mi
2:10:19
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:06/mi
2:38:35
↑ 181↓ 1480.2%
138 ft elev
20M
9:07/mi
2:50:59
↑ 64↓ 500.2%
148 ft elev
21M
9:53/mi
3:00:52
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:12/mi
3:07:45
↑ 17↓ 861.7%
156 ft elev
23M
9:49/mi
3:20:02
↑ 23↓ 630.6%
116 ft elev
24M
9:30/mi
3:29:32
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:25/mi
3:37:35
↓ 200.3%
20 ft elev
25.2M
10:50/mi
3:41:19
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:20/mi
3:50:50
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Is this your race?

Claim it for a free AI report

A coach's-eye read of your race — emailed to you, free.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:05
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time2:01:45
Pace9:17 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:5424:568:0224:56
8:02
-
10K
6.21 mi11:44:1650:188:0625:22
8:10
+0:08
15K
9.32 mi12:10:341:16:368:1326:18
8:28
+0:18
20K
12.43 mi12:37:151:43:178:1926:41
8:35
+0:07
Half
13.11 mi12:43:031:49:058:195:48
8:30
-0:05
25K
15.53 mi13:04:172:10:198:2321:14
8:45
+0:15
30K
18.64 mi13:32:332:38:358:3028:16
9:06
+0:21
20M
20.00 mi13:44:572:50:598:3312:24
9:07
+0:01
21M
21.00 mi13:54:503:00:528:379:53
9:53
+0:46
35K
21.75 mi14:01:433:07:458:386:53
9:12
-0:41
23M
23.00 mi14:14:003:20:028:4212:17
9:49
+0:37
24M
24.00 mi14:23:303:29:328:449:30
9:30
-0:19
40K
24.85 mi14:31:333:37:358:458:03
9:25
-0:05
25.2M
25.20 mi14:35:173:41:198:473:44
10:50
+1:25
Finish
26.22 mi14:44:483:50:508:499:31
9:20
-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

8:02 /mi

Average Pace

8:49 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:19

56% of race

Time at Steady Pace

1:05:07

28% of race

Time at Slower Pace

35:24

15% of race

Average Pace: 8:48 /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 mi11:18:5424:568:0224:56
8:02
#14213
10K
6.21 mi11:44:1650:188:0625:22
8:10
#15089
15K
9.32 mi12:10:341:16:368:1326:18
8:28
#15965
20K
12.43 mi12:37:151:43:178:1926:41
8:35
#16370
Half
13.11 mi12:43:031:49:058:195:48
8:30
#16445
25K
15.53 mi13:04:172:10:198:2321:14
8:45
#16666
30K
18.64 mi13:32:332:38:358:3028:16
9:06
#16822
20M
20.00 mi13:44:572:50:598:3312:24
9:07
#16823
21M
21.00 mi13:54:503:00:528:379:53
9:53
#16886
35K
21.75 mi14:01:433:07:458:386:53
9:12
#16953
23M
23.00 mi14:14:003:20:028:4212:17
9:49
#17156
24M
24.00 mi14:23:303:29:328:449:30
9:30
#17280
40K
24.85 mi14:31:333:37:358:458:03
9:25
#17321
25.2M
25.20 mi14:35:173:41:198:473:44
10:50
#17409
Finish
26.22 mi14:44:483:50:508:499:31
9:20
#17531
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi14213416141611757862596259
10K6.21 mi3.10 mi15089-8764704-5434704-5431602352905290
15K9.32 mi3.11 mi15965-8765259-5555259-5551757862596259
20K12.43 mi3.11 mi16370-4055536-2775536-2771743261856185
Half13.11 mi0.68 mi16445-755581-455581-451775663346334
25K15.53 mi2.42 mi16666-2215742-1615742-1611771364106410
30K18.64 mi3.11 mi16822-1565860-1185860-1181768364546454
20M20.00 mi1.36 mi16823-15875-155875-151720762886288
21M21.00 mi1.00 mi16886-635918-435918-431760065236523
35K21.75 mi0.75 mi16953-675961-435961-431874572357235
23M23.00 mi1.25 mi17156-2036109-1486109-1481946576617661
24M24.00 mi1.00 mi17280-1246192-836192-831921275617561
40K24.85 mi0.85 mi17321-416242-506242-501803469636963
25.2M25.20 mi0.35 mi17409-886295-536295-532004580768076
Finish26.22 mi1.02 mi17531-1226377-826377-821953077417741

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

17578

Females

6259

F50-54

6259

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

16023

Females

5290

F50-54

5290

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

17578

Females

6259

F50-54

6259

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

17432

Females

6185

F50-54

6185

20K→Half

12.4 - 13.1 mi

Top 67%
×2story building
+19ft-37ft

Overall

17756

Females

6334

F50-54

6334

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

17713

Females

6410

F50-54

6410

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

17683

Females

6454

F50-54

6454

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

17207

Females

6288

F50-54

6288

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

17600

Females

6523

F50-54

6523

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

18745

Females

7235

F50-54

7235

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

19465

Females

7661

F50-54

7661

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

19212

Females

7561

F50-54

7561

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

18034

Females

6963

F50-54

6963

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

20045

Females

8076

F50-54

8076

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

19530

Females

7741

F50-54

7741

Passing Analysis

Category:
Athletes Passed
701
Passed By
4019
Net Change
-3318
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14213
5K → 10K66942-876#14213#15089
10K → 15K28904-876#15089#15965
15K → 20K67472-405#15965#16370
20K → Half1489-75#16370#16445
Half → 25K74295-221#16445#16666
25K → 30K133289-156#16666#16822
30K → 20M7879-1#16822#16823
20M → 21M60123-63#16823#16886
21M → 35K2390-67#16886#16953
35K → 23M37240-203#16953#17156
23M → 24M29153-124#17156#17280
24M → 40K5596-41#17280#17321
40K → 25.2M997-88#17321#17409
25.2M → Finish28150-122#17409#17531
TOTALS7014019-3318

Passing Charts

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