Boston Marathon logo
BOSTON MARATHON 2023

Alix Van Sickle

Bib: 5543•F

CO

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 14%
Gender (Female)
#0 / 11423
Top 2%
Masters (Masters Women)
#0 / 6539
Top 0.6%
Division (F45-49)
#0 / 1817
Top 0.4%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:00
Rank: #4267
Start → 5K
21:00 | 6:46/mi
10K· 6.21 mi
41:36
Rank: #3937 (+330)
5K → 10K
20:36 | 6:38/mi
15K· 9.32 mi
1:02:14
Rank: #3787 (+150)
10K → 15K
20:38 | 6:38/mi
20K· 12.43 mi
1:23:35
Rank: #4132 (-345)
15K → 20K
21:21 | 6:52/mi
Half· 13.11 mi
1:28:05
Rank: #4077 (+55)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:44:21
Rank: #3941 (+136)
Half → 25K
16:16 | 6:43/mi
30K· 18.64 mi
2:06:33
Rank: #4209 (-268)
25K → 30K
22:12 | 7:09/mi
20M
2:15:57
Rank: #4136 (+73)
30K → 20M
9:24 | 6:55/mi
21M
2:23:11
Rank: #4042 (+94)
20M → 21M
7:14 | 7:14/mi
35K· 21.75 mi
2:28:12
Rank: #4008 (+34)
21M → 35K
5:01 | 6:42/mi
23M
2:36:50
Rank: #3916 (+92)
35K → 23M
8:38 | 6:54/mi
24M
2:43:34
Rank: #3868 (+48)
23M → 24M
6:44 | 6:44/mi
40K· 24.85 mi
2:49:26
Rank: #3817 (+51)
24M → 40K
5:52 | 6:52/mi
25.2M
2:51:57
Rank: #3787 (+30)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:58:51
Rank: #3801 (-14)
25.2M → Finish
6:54 | 6:46/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
Time1:28:05
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:30:46
Pace6:55 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5421:006:4621:00
6:46
-
10K
6.21 mi10:44:3041:366:4220:36
6:38
-0:08
15K
9.32 mi11:05:081:02:146:4120:38
6:38
0:00
20K
12.43 mi11:26:291:23:356:4421:21
6:52
+0:14
Half
13.11 mi11:30:591:28:056:434:30
6:36
-0:16
25K
15.53 mi11:47:151:44:216:4316:16
6:43
+0:07
30K
18.64 mi12:09:272:06:336:4722:12
7:09
+0:26
20M
20.00 mi12:18:512:15:576:489:24
6:55
-0:14
21M
21.00 mi12:26:052:23:116:497:14
7:14
+0:19
35K
21.75 mi12:31:062:28:126:495:01
6:42
-0:32
23M
23.00 mi12:39:442:36:506:498:38
6:54
+0:12
24M
24.00 mi12:46:282:43:346:496:44
6:44
-0:10
40K
24.85 mi12:52:202:49:266:495:52
6:52
+0:08
25.2M
25.20 mi12:54:512:51:576:492:31
7:18
+0:26
Finish
26.22 mi13:01:452:58:516:506:54
6:46
-0:32

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

6:36 /mi

Average Pace

6:50 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:20

99% of race

Time at Steady Pace

2:31

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:23:5421:006:4621:00
6:46
#4267
10K
6.21 mi10:44:3041:366:4220:36
6:38
#3937
15K
9.32 mi11:05:081:02:146:4120:38
6:38
#3787
20K
12.43 mi11:26:291:23:356:4421:21
6:52
#4132
Half
13.11 mi11:30:591:28:056:434:30
6:36
#4077
25K
15.53 mi11:47:151:44:216:4316:16
6:43
#3941
30K
18.64 mi12:09:272:06:336:4722:12
7:09
#4209
20M
20.00 mi12:18:512:15:576:489:24
6:55
#4136
21M
21.00 mi12:26:052:23:116:497:14
7:14
#4042
35K
21.75 mi12:31:062:28:126:495:01
6:42
#4008
23M
23.00 mi12:39:442:36:506:498:38
6:54
#3916
24M
24.00 mi12:46:282:43:346:496:44
6:44
#3868
40K
24.85 mi12:52:202:49:266:495:52
6:52
#3817
25.2M
25.20 mi12:54:512:51:576:492:31
7:18
#3787
Finish
26.22 mi13:01:452:58:516:506:54
6:46
#3801
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi42672702703646(Top 14%)203(Top 2%)203(Top 11%)
10K6.21 mi3.10 mi3937+330226+44226+443740(Top 14%)204(Top 2%)204(Top 11%)
15K9.32 mi3.11 mi3787+150210+16210+163646(Top 14%)203(Top 2%)203(Top 11%)
20K12.43 mi3.11 mi4132-345249-39249-395143(Top 19%)380(Top 3%)380(Top 21%)
Half13.11 mi0.68 mi4077+55246+3246+33484(Top 13%)184(Top 2%)184(Top 10%)
25K15.53 mi2.42 mi3941+136226+20226+203450(Top 13%)181(Top 2%)181(Top 10%)
30K18.64 mi3.11 mi4209-268254-28254-285194(Top 20%)432(Top 4%)432(Top 24%)
20M20.00 mi1.36 mi4136+73251+3251+33561(Top 13%)235(Top 2%)235(Top 13%)
21M21.00 mi1.00 mi4042+94246+5246+53303(Top 12%)222(Top 2%)222(Top 12%)
35K21.75 mi0.75 mi4008+34244+2244+23650(Top 14%)267(Top 2%)267(Top 15%)
23M23.00 mi1.25 mi3916+92235+9235+93229(Top 12%)226(Top 2%)226(Top 12%)
24M24.00 mi1.00 mi3868+48234+1234+13323(Top 12%)251(Top 2%)251(Top 14%)
40K24.85 mi0.85 mi3817+51227+7227+73158(Top 12%)258(Top 2%)258(Top 14%)
25.2M25.20 mi0.35 mi3787+30225+2225+23022(Top 11%)251(Top 2%)251(Top 14%)
Finish26.22 mi1.02 mi3801-14230-5230-53939(Top 15%)446(Top 4%)446(Top 25%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3646

Females

203

F45-49

203

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3740

Females

204

F45-49

204

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3646

Females

203

F45-49

203

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

5143

Females

380

F45-49

380

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3484

Females

184

F45-49

184

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3450

Females

181

F45-49

181

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5194

Females

432

F45-49

432

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3561

Females

235

F45-49

235

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3303

Females

222

F45-49

222

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3650

Females

267

F45-49

267

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3229

Females

226

F45-49

226

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3323

Females

251

F45-49

251

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3158

Females

258

F45-49

258

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3022

Females

251

F45-49

251

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

3939

Females

446

F45-49

446

Passing Analysis

Category:
Athletes Passed
1555
Passed By
1089
Net Change
+466
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4267
5K → 10K434104+330#4267#3937
10K → 15K20656+150#3937#3787
15K → 20K30375-345#3787#4132
20K → Half616+55#4132#4077
Half → 25K15519+136#4077#3941
25K → 30K54322-268#3941#4209
30K → 20M10229+73#4209#4136
20M → 21M11824+94#4136#4042
21M → 35K5319+34#4042#4008
35K → 23M10513+92#4008#3916
23M → 24M7325+48#3916#3868
24M → 40K8130+51#3868#3817
40K → 25.2M355+30#3817#3787
25.2M → Finish4862-14#3787#3801
TOTALS15551089+466
📊

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