Boston Marathon logo
BOSTON MARATHON 2023

Pamela Crohan

Bib: 26701•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 (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
34:15
Rank: #25711
Start → 5K
34:15 | 11:01/mi
10K· 6.21 mi
1:08:45
Rank: #25683 (+28)
5K → 10K
34:30 | 11:06/mi
15K· 9.32 mi
1:42:23
Rank: #25420 (+263)
10K → 15K
33:38 | 10:50/mi
20K· 12.43 mi
2:18:32
Rank: #25420
15K → 20K
36:09 | 11:38/mi
Half· 13.11 mi
2:25:45
Rank: #25373 (+47)
20K → Half
7:13 | 10:35/mi
25K· 15.53 mi
2:53:56
Rank: #25270 (+103)
Half → 25K
28:11 | 11:37/mi
30K· 18.64 mi
3:30:53
Rank: #25113 (+157)
25K → 30K
36:57 | 11:54/mi
20M
3:47:34
Rank: #25072 (+41)
30K → 20M
16:41 | 12:17/mi
21M
4:02:14
Rank: #25141 (-69)
20M → 21M
14:40 | 14:40/mi
35K· 21.75 mi
4:11:22
Rank: #25129 (+12)
21M → 35K
9:08 | 12:12/mi
23M
4:29:21
Rank: #25227 (-98)
35K → 23M
17:59 | 14:22/mi
24M
4:41:17
Rank: #25205 (+22)
23M → 24M
11:56 | 11:56/mi
40K· 24.85 mi
4:51:50
Rank: #25182 (+23)
24M → 40K
10:33 | 12:20/mi
25.2M
4:56:15
Rank: #25170 (+12)
40K → 25.2M
4:25 | 12:48/mi
Finish· 26.22 mi
5:08:17
Rank: #25178 (-8)
25.2M → Finish
12:02 | 11:49/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
Time2:25:45
Pace11:07 /mi
2nd Half
Distance13.11 mi
Time2:42:32
Pace12:24 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:1634:1511:0134:15
11:01
-
10K
6.21 mi12:26:461:08:4511:0434:30
11:06
+0:05
15K
9.32 mi13:00:241:42:2310:5933:38
10:50
-0:16
20K
12.43 mi13:36:332:18:3211:0936:09
11:38
+0:48
Half
13.11 mi13:43:462:25:4511:077:13
10:35
-1:03
25K
15.53 mi14:11:572:53:5611:1228:11
11:37
+1:02
30K
18.64 mi14:48:543:30:5311:1936:57
11:54
+0:17
20M
20.00 mi15:05:353:47:3411:2316:41
12:17
+0:23
21M
21.00 mi15:20:154:02:1411:3214:40
14:40
+2:23
35K
21.75 mi15:29:234:11:2211:339:08
12:12
-2:28
23M
23.00 mi15:47:224:29:2111:4317:59
14:22
+2:10
24M
24.00 mi15:59:184:41:1711:4311:56
11:56
-2:26
40K
24.85 mi16:09:514:51:5011:4410:33
12:20
+0:24
25.2M
25.20 mi16:14:164:56:1511:454:25
12:48
+0:28
Finish
26.22 mi16:26:185:08:1711:4612:02
11:49
-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

10:35 /mi

Average Pace

11:46 /mi

Slowest Pace

14:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:36

36% of race

Time at Steady Pace

2:41:37

52% of race

Time at Slower Pace

37:04

12% of race

Average Pace: 11:45 /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 mi11:52:1634:1511:0134:15
11:01
#25711
10K
6.21 mi12:26:461:08:4511:0434:30
11:06
#25683
15K
9.32 mi13:00:241:42:2310:5933:38
10:50
#25420
20K
12.43 mi13:36:332:18:3211:0936:09
11:38
#25420
Half
13.11 mi13:43:462:25:4511:077:13
10:35
#25373
25K
15.53 mi14:11:572:53:5611:1228:11
11:37
#25270
30K
18.64 mi14:48:543:30:5311:1936:57
11:54
#25113
20M
20.00 mi15:05:353:47:3411:2316:41
12:17
#25072
21M
21.00 mi15:20:154:02:1411:3214:40
14:40
#25141
35K
21.75 mi15:29:234:11:2211:339:08
12:12
#25129
23M
23.00 mi15:47:224:29:2111:4317:59
14:22
#25227
24M
24.00 mi15:59:184:41:1711:4311:56
11:56
#25205
40K
24.85 mi16:09:514:51:5011:4410:33
12:20
#25182
25.2M
25.20 mi16:14:164:56:1511:454:25
12:48
#25170
Finish
26.22 mi16:26:185:08:1711:4612:02
11:49
#25178
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi25711108591085924972(Top 94%)10444(Top 91%)10444(Top 556%)
10K6.21 mi3.10 mi25683+2810845+1410845+1425573(Top 96%)10781(Top 94%)10781(Top 574%)
15K9.32 mi3.11 mi25420+26310683+16210683+16224972(Top 94%)10444(Top 91%)10444(Top 556%)
20K12.43 mi3.11 mi2542010699-1610699-1625402(Top 95%)10718(Top 94%)10718(Top 571%)
Half13.11 mi0.68 mi25373+4710673+2610673+2624361(Top 92%)10138(Top 89%)10138(Top 540%)
25K15.53 mi2.42 mi25270+10310622+5110622+5124820(Top 93%)10411(Top 91%)10411(Top 554%)
30K18.64 mi3.11 mi25113+15710552+7010552+7024379(Top 92%)10207(Top 89%)10207(Top 544%)
20M20.00 mi1.36 mi25072+4110535+1710535+1724521(Top 92%)10348(Top 91%)10348(Top 551%)
21M21.00 mi1.00 mi25141-6910584-4910584-4925535(Top 96%)10871(Top 95%)10871(Top 579%)
35K21.75 mi0.75 mi25129+12105841058424897(Top 94%)10605(Top 93%)10605(Top 565%)
23M23.00 mi1.25 mi25227-9810649-6510649-6526044(Top 98%)11157(Top 98%)11157(Top 594%)
24M24.00 mi1.00 mi25205+2210640+910640+924443(Top 92%)10404(Top 91%)10404(Top 554%)
40K24.85 mi0.85 mi25182+2310631+910631+924277(Top 91%)10324(Top 90%)10324(Top 550%)
25.2M25.20 mi0.35 mi25170+1210623+810623+823754(Top 89%)10069(Top 88%)10069(Top 536%)
Finish26.22 mi1.02 mi25178-810629-610629-625050(Top 94%)10695(Top 94%)10695(Top 569%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21stories
+97ft-345ft

Overall

24972

Females

10444

F40-44

10444

5K→10K

3.1 - 6.2 mi

Top 96%
×5stories
+79ft-138ft

Overall

25573

Females

10781

F40-44

10781

10K→15K

6.2 - 9.3 mi

Top 94%
×3stories
+67ft-78ft

Overall

24972

Females

10444

F40-44

10444

15K→20K

9.3 - 12.4 mi

Top 95%
×5stories
+106ft-86ft

Overall

25402

Females

10718

F40-44

10718

20K→Half

12.4 - 13.1 mi

Top 92%
×2stories
+19ft-37ft

Overall

24361

Females

10138

F40-44

10138

Half→25K

13.1 - 15.5 mi

Top 93%
×4stories
+66ft-88ft

Overall

24820

Females

10411

F40-44

10411

25K→30K

15.5 - 18.6 mi

Top 92%
×9stories
+181ft-148ft

Overall

24379

Females

10207

F40-44

10207

30K→20M

18.6 - 20.0 mi

Top 92%
×5stories
+64ft-50ft

Overall

24521

Females

10348

F40-44

10348

20M→21M

20.0 - 21.0 mi

Top 96%
×8stories
+106ft-24ft

Overall

25535

Females

10871

F40-44

10871

21M→35K

21.0 - 21.8 mi

Top 94%
×7stories
+17ft-86ft

Overall

24897

Females

10605

F40-44

10605

35K→23M

21.8 - 23.0 mi

Top 98%
×5stories
+23ft-63ft

Overall

26044

Females

11157

F40-44

11157

23M→24M

23.0 - 24.0 mi

Top 92%
×6stories
+12ft-82ft

Overall

24443

Females

10404

F40-44

10404

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24277

Females

10324

F40-44

10324

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

23754

Females

10069

F40-44

10069

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2stories
+22ft-21ft

Overall

25050

Females

10695

F40-44

10695

Passing Analysis

Category:
Athletes Passed
1052
Passed By
519
Net Change
+533
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25711
5K → 10K143115+28#25711#25683
10K → 15K27815+263#25683#25420
15K → 20K90900#25420#25420
20K → Half470+47#25420#25373
Half → 25K12421+103#25373#25270
25K → 30K16710+157#25270#25113
30K → 20M6928+41#25113#25072
20M → 21M877-69#25072#25141
21M → 35K208+12#25141#25129
35K → 23M13111-98#25129#25227
23M → 24M308+22#25227#25205
24M → 40K3310+23#25205#25182
40K → 25.2M131+12#25182#25170
25.2M → Finish1725-8#25170#25178
TOTALS1052519+533
📊

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