Boston Marathon logo
BOSTON MARATHON 2023

Colleen Farrell

Bib: 25133•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:08
Rank: #24334
Start → 5K
32:08 | 10:21/mi
10K· 6.21 mi
1:03:29
Rank: #24100 (+234)
5K → 10K
31:21 | 10:05/mi
15K· 9.32 mi
1:34:51
Rank: #23952 (+148)
10K → 15K
31:22 | 10:06/mi
20K· 12.43 mi
2:06:14
Rank: #23750 (+202)
15K → 20K
31:23 | 10:06/mi
Half· 13.11 mi
2:12:57
Rank: #23704 (+46)
20K → Half
6:43 | 9:51/mi
25K· 15.53 mi
2:37:47
Rank: #23520 (+184)
Half → 25K
24:50 | 10:15/mi
30K· 18.64 mi
3:13:32
Rank: #23585 (-65)
25K → 30K
35:45 | 11:30/mi
20M
3:29:18
Rank: #23582 (+3)
30K → 20M
15:46 | 11:36/mi
21M
3:42:43
Rank: #23668 (-86)
20M → 21M
13:25 | 13:25/mi
35K· 21.75 mi
3:51:15
Rank: #23696 (-28)
21M → 35K
8:32 | 11:24/mi
23M
4:05:33
Rank: #23679 (+17)
35K → 23M
14:18 | 11:25/mi
24M
4:17:19
Rank: #23725 (-46)
23M → 24M
11:46 | 11:46/mi
40K· 24.85 mi
4:26:19
Rank: #23654 (+71)
24M → 40K
9:00 | 10:32/mi
25.2M
4:30:34
Rank: #23644 (+10)
40K → 25.2M
4:15 | 12:19/mi
Finish· 26.22 mi
4:41:24
Rank: #23647 (-3)
25.2M → Finish
10:50 | 10:38/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
Time2:12:57
Pace10:08 /mi
2nd Half
Distance13.11 mi
Time2:28:27
Pace11:19 /mi
📊Positive Split: 11.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:0532:0810:2132:08
10:21
-
10K
6.21 mi12:19:261:03:2910:1331:21
10:05
-0:16
15K
9.32 mi12:50:481:34:5110:1131:22
10:06
+0:01
20K
12.43 mi13:22:112:06:1410:0931:23
10:06
0:00
Half
13.11 mi13:28:542:12:5710:086:43
9:51
-0:15
25K
15.53 mi13:53:442:37:4710:0924:50
10:15
+0:24
30K
18.64 mi14:29:293:13:3210:2335:45
11:30
+1:15
20M
20.00 mi14:45:153:29:1810:2815:46
11:36
+0:06
21M
21.00 mi14:58:403:42:4310:3613:25
13:25
+1:49
35K
21.75 mi15:07:123:51:1510:388:32
11:24
-2:01
23M
23.00 mi15:21:304:05:3310:4114:18
11:25
+0:01
24M
24.00 mi15:33:164:17:1910:4311:46
11:46
+0:21
40K
24.85 mi15:42:164:26:1910:439:00
10:32
-1:14
25.2M
25.20 mi15:46:314:30:3410:444:15
12:19
+1:47
Finish
26.22 mi15:57:214:41:2410:4410:50
10:38
-1:41

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

9:51 /mi

Average Pace

10:44 /mi

Slowest Pace

13:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:49

36% of race

Time at Steady Pace

1:16:48

27% of race

Time at Slower Pace

1:43:47

37% of race

Average Pace: 10:44 /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 mi11:48:0532:0810:2132:08
10:21
#24334
10K
6.21 mi12:19:261:03:2910:1331:21
10:05
#24100
15K
9.32 mi12:50:481:34:5110:1131:22
10:06
#23952
20K
12.43 mi13:22:112:06:1410:0931:23
10:06
#23750
Half
13.11 mi13:28:542:12:5710:086:43
9:51
#23704
25K
15.53 mi13:53:442:37:4710:0924:50
10:15
#23520
30K
18.64 mi14:29:293:13:3210:2335:45
11:30
#23585
20M
20.00 mi14:45:153:29:1810:2815:46
11:36
#23582
21M
21.00 mi14:58:403:42:4310:3613:25
13:25
#23668
35K
21.75 mi15:07:123:51:1510:388:32
11:24
#23696
23M
23.00 mi15:21:304:05:3310:4114:18
11:25
#23679
24M
24.00 mi15:33:164:17:1910:4311:46
11:46
#23725
40K
24.85 mi15:42:164:26:1910:439:00
10:32
#23654
25.2M
25.20 mi15:46:314:30:3410:444:15
12:19
#23644
Finish
26.22 mi15:57:214:41:2410:4410:50
10:38
#23647
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24334100581005823693(Top 89%)9720(Top 85%)9720(Top 199%)
10K6.21 mi3.10 mi24100+2349948+1109948+11023895(Top 90%)9828(Top 86%)9828(Top 201%)
15K9.32 mi3.11 mi23952+1489863+859863+8523693(Top 89%)9720(Top 85%)9720(Top 199%)
20K12.43 mi3.11 mi23750+2029747+1169747+11623120(Top 87%)9414(Top 82%)9414(Top 193%)
Half13.11 mi0.68 mi23704+469726+219726+2122995(Top 86%)9354(Top 82%)9354(Top 192%)
25K15.53 mi2.42 mi23520+1849633+939633+9322730(Top 85%)9238(Top 81%)9238(Top 189%)
30K18.64 mi3.11 mi23585-659689-569689-5623879(Top 90%)9951(Top 87%)9951(Top 204%)
20M20.00 mi1.36 mi23582+39702-139702-1323675(Top 89%)9884(Top 87%)9884(Top 202%)
21M21.00 mi1.00 mi23668-869754-529754-5224503(Top 92%)10343(Top 91%)10343(Top 212%)
35K21.75 mi0.75 mi23696-289772-189772-1823982(Top 90%)10120(Top 89%)10120(Top 207%)
23M23.00 mi1.25 mi23679+179773-19773-123120(Top 87%)9653(Top 85%)9653(Top 198%)
24M24.00 mi1.00 mi23725-469813-409813-4024227(Top 91%)10287(Top 90%)10287(Top 211%)
40K24.85 mi0.85 mi23654+719777+369777+3621295(Top 80%)8776(Top 77%)8776(Top 180%)
25.2M25.20 mi0.35 mi23644+109773+49773+423040(Top 87%)9686(Top 85%)9686(Top 198%)
Finish26.22 mi1.02 mi23647-39788-159788-1523290(Top 87%)9797(Top 86%)9797(Top 201%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

23693

Females

9720

F18-39

9720

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

23895

Females

9828

F18-39

9828

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

23693

Females

9720

F18-39

9720

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

23120

Females

9414

F18-39

9414

20K→Half

12.4 - 13.1 mi

Top 86%
×2stories
+19ft-37ft

Overall

22995

Females

9354

F18-39

9354

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

22730

Females

9238

F18-39

9238

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

23879

Females

9951

F18-39

9951

30K→20M

18.6 - 20.0 mi

Top 89%
×5stories
+64ft-50ft

Overall

23675

Females

9884

F18-39

9884

20M→21M

20.0 - 21.0 mi

Top 92%
×8stories
+106ft-24ft

Overall

24503

Females

10343

F18-39

10343

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

23982

Females

10120

F18-39

10120

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

23120

Females

9653

F18-39

9653

23M→24M

23.0 - 24.0 mi

Top 91%
×6stories
+12ft-82ft

Overall

24227

Females

10287

F18-39

10287

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21295

Females

8776

F18-39

8776

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23040

Females

9686

F18-39

9686

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

23290

Females

9797

F18-39

9797

Passing Analysis

Category:
Athletes Passed
1369
Passed By
682
Net Change
+687
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24334
5K → 10K335101+234#24334#24100
10K → 15K20860+148#24100#23952
15K → 20K22826+202#23952#23750
20K → Half504+46#23750#23704
Half → 25K20521+184#23704#23520
25K → 30K77142-65#23520#23585
30K → 20M5249+3#23585#23582
20M → 21M16102-86#23582#23668
21M → 35K937-28#23668#23696
35K → 23M5235+17#23696#23679
23M → 24M2066-46#23679#23725
24M → 40K732+71#23725#23654
40K → 25.2M188+10#23654#23644
25.2M → Finish2629-3#23644#23647
TOTALS1369682+687
📊

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