Boston Marathon logo
BOSTON MARATHON 2023

Colleen Wachob

Bib: 20133•F

WY

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 39%
Masters (Masters Women)
#0 / 6539
Top 26%
Division (F40-44)
#0 / 1878
Top 46%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:01
Rank: #16686
Start → 5K
26:01 | 8:22/mi
10K· 6.21 mi
51:26
Rank: #16348 (+338)
5K → 10K
25:25 | 8:11/mi
15K· 9.32 mi
1:16:45
Rank: #16074 (+274)
10K → 15K
25:19 | 8:09/mi
20K· 12.43 mi
1:42:14
Rank: #15761 (+313)
15K → 20K
25:29 | 8:12/mi
Half· 13.11 mi
1:47:48
Rank: #15740 (+21)
20K → Half
5:34 | 8:10/mi
25K· 15.53 mi
2:07:58
Rank: #15606 (+134)
Half → 25K
20:10 | 8:19/mi
30K· 18.64 mi
2:34:27
Rank: #15376 (+230)
25K → 30K
26:29 | 8:31/mi
20M
2:45:54
Rank: #15197 (+179)
30K → 20M
11:27 | 8:26/mi
21M
2:54:40
Rank: #15005 (+192)
20M → 21M
8:46 | 8:46/mi
35K· 21.75 mi
3:00:37
Rank: #14884 (+121)
21M → 35K
5:57 | 7:57/mi
23M
3:11:01
Rank: #14706 (+178)
35K → 23M
10:24 | 8:18/mi
24M
3:19:03
Rank: #14536 (+170)
23M → 24M
8:02 | 8:02/mi
40K· 24.85 mi
3:26:05
Rank: #14424 (+112)
24M → 40K
7:02 | 8:14/mi
25.2M
3:29:08
Rank: #14363 (+61)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:37:09
Rank: #14232 (+131)
25.2M → Finish
8:01 | 7:52/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
Time1:47:48
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time1:49:21
Pace8:20 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:3726:018:2226:01
8:22
-
10K
6.21 mi11:44:0251:268:1725:25
8:11
-0:11
15K
9.32 mi12:09:211:16:458:1425:19
8:09
-0:02
20K
12.43 mi12:34:501:42:148:1425:29
8:12
+0:03
Half
13.11 mi12:40:241:47:488:135:34
8:10
-0:02
25K
15.53 mi13:00:342:07:588:1420:10
8:19
+0:09
30K
18.64 mi13:27:032:34:278:1726:29
8:31
+0:12
20M
20.00 mi13:38:302:45:548:1811:27
8:26
-0:05
21M
21.00 mi13:47:162:54:408:198:46
8:46
+0:20
35K
21.75 mi13:53:133:00:378:185:57
7:57
-0:49
23M
23.00 mi14:03:373:11:018:1810:24
8:18
+0:21
24M
24.00 mi14:11:393:19:038:188:02
8:02
-0:16
40K
24.85 mi14:18:413:26:058:177:02
8:14
+0:12
25.2M
25.20 mi14:21:443:29:088:183:03
8:51
+0:37
Finish
26.22 mi14:29:453:37:098:178:01
7:52
-0:59

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

7:52 /mi

Average Pace

8:17 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:25:20

95% of race

Time at Steady Pace

11:49

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:17 /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 mi11:18:3726:018:2226:01
8:22
#16686
10K
6.21 mi11:44:0251:268:1725:25
8:11
#16348
15K
9.32 mi12:09:211:16:458:1425:19
8:09
#16074
20K
12.43 mi12:34:501:42:148:1425:29
8:12
#15761
Half
13.11 mi12:40:241:47:488:135:34
8:10
#15740
25K
15.53 mi13:00:342:07:588:1420:10
8:19
#15606
30K
18.64 mi13:27:032:34:278:1726:29
8:31
#15376
20M
20.00 mi13:38:302:45:548:1811:27
8:26
#15197
21M
21.00 mi13:47:162:54:408:198:46
8:46
#15005
35K
21.75 mi13:53:133:00:378:185:57
7:57
#14884
23M
23.00 mi14:03:373:11:018:1810:24
8:18
#14706
24M
24.00 mi14:11:393:19:038:188:02
8:02
#14536
40K
24.85 mi14:18:413:26:058:177:02
8:14
#14424
25.2M
25.20 mi14:21:443:29:088:183:03
8:51
#14363
Finish
26.22 mi14:29:453:37:098:178:01
7:52
#14232
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi166865718571815494(Top 58%)4975(Top 44%)4975(Top 265%)
10K6.21 mi3.10 mi16348+3385491+2275491+22716119(Top 61%)5344(Top 47%)5344(Top 285%)
15K9.32 mi3.11 mi16074+2745329+1625329+16215494(Top 58%)4975(Top 44%)4975(Top 265%)
20K12.43 mi3.11 mi15761+3135155+1745155+17414975(Top 56%)4699(Top 41%)4699(Top 250%)
Half13.11 mi0.68 mi15740+215147+85147+815512(Top 58%)4984(Top 44%)4984(Top 265%)
25K15.53 mi2.42 mi15606+1345094+535094+5315068(Top 57%)4884(Top 43%)4884(Top 260%)
30K18.64 mi3.11 mi15376+2304997+974997+9714475(Top 54%)4608(Top 40%)4608(Top 245%)
20M20.00 mi1.36 mi15197+1794904+934904+9313192(Top 50%)3961(Top 35%)3961(Top 211%)
21M21.00 mi1.00 mi15005+1924797+1074797+10712107(Top 45%)3469(Top 30%)3469(Top 185%)
35K21.75 mi0.75 mi14884+1214737+604737+6011851(Top 45%)3358(Top 29%)3358(Top 179%)
23M23.00 mi1.25 mi14706+1784656+814656+8111971(Top 45%)3509(Top 31%)3509(Top 187%)
24M24.00 mi1.00 mi14536+1704572+844572+8411522(Top 43%)3353(Top 29%)3353(Top 179%)
40K24.85 mi0.85 mi14424+1124531+414531+4111591(Top 44%)3469(Top 30%)3469(Top 185%)
25.2M25.20 mi0.35 mi14363+614500+314500+3111693(Top 44%)3589(Top 31%)3589(Top 191%)
Finish26.22 mi1.02 mi14232+1314446+544446+5411200(Top 42%)3306(Top 29%)3306(Top 176%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

15494

Females

4975

F40-44

4975

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

16119

Females

5344

F40-44

5344

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

15494

Females

4975

F40-44

4975

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

14975

Females

4699

F40-44

4699

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

15512

Females

4984

F40-44

4984

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

15068

Females

4884

F40-44

4884

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

14475

Females

4608

F40-44

4608

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

13192

Females

3961

F40-44

3961

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

12107

Females

3469

F40-44

3469

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

11851

Females

3358

F40-44

3358

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

11971

Females

3509

F40-44

3509

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

11522

Females

3353

F40-44

3353

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11591

Females

3469

F40-44

3469

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11693

Females

3589

F40-44

3589

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

11200

Females

3306

F40-44

3306

Passing Analysis

Category:
Athletes Passed
2991
Passed By
537
Net Change
+2454
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16686
5K → 10K509171+338#16686#16348
10K → 15K36086+274#16348#16074
15K → 20K36047+313#16074#15761
20K → Half4019+21#15761#15740
Half → 25K20571+134#15740#15606
25K → 30K29767+230#15606#15376
30K → 20M19011+179#15376#15197
20M → 21M20210+192#15197#15005
21M → 35K1243+121#15005#14884
35K → 23M19517+178#14884#14706
23M → 24M1777+170#14706#14536
24M → 40K12311+112#14536#14424
40K → 25.2M654+61#14424#14363
25.2M → Finish14413+131#14363#14232
TOTALS2991537+2454
📊

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